CN109687590B - Grading outage and restoration reporting method and system - Google Patents

Abstract

The invention discloses a method and system for reporting power failure and restoration at different levels. The method steps include: S1. Divide power failure and restoration events in a low-voltage distribution network into three-level power failure and restoration events, and configure the priorities of power failure and restoration events at all levels ; S2. Arrange power failure and recovery monitoring modules in the target low-voltage distribution network, key monitoring points and energy meters to monitor in real time whether a power failure and recovery event occurs and send a power failure recovery event when a power failure recovery event is detected. S3. According to the priority order of configuration, judge whether the power failure and restore signal is received in turn, and when it is judged that the power cut and restore signal is received, generate a corresponding level power failure and restore event to report and end the current report; the device includes a hierarchical configuration module, power outage monitoring module and hierarchical reporting module. The present invention has the advantages of simple implementation method, timely reporting, high success rate, convenient positioning of power failure and resumption positions, and avoidance of repeated reporting.

Description

A method and system for reporting power failure and resumption of power by grade

technical field

The invention relates to the technical field of power systems, and in particular, to a method and system for reporting power failure and resumption of power at different levels.

Background technique

For low-voltage power distribution network faults, power supply companies mainly rely on the power supply service command platform for fault handling, including the organization and dispatch of power outage repairs and work order distribution. It is mainly based on the calls made by users after a power outage to make predictions, which may cause misjudgment of workload or recovery time for subsequent on-site processing, as well as low processing efficiency, high costs, and many potential safety hazards. The power consumption information collection system is connected with the power supply service command platform, and the power consumption information collection system pushes the power failure event of the low-voltage household meter, collector, station area master meter or concentrator in real time, which can assist the comprehensive analysis of the power supply service command platform Determine the authenticity of the fault, the location of the fault, the cause of the fault, the nature of the fault and the scope of the fault, speed up the fault handling response time, reduce costs, and improve customer satisfaction and system operation indicators.

There are a large number of measurement and acquisition equipment terminals, electric energy meters, and collectors in the low-voltage distribution network. The measurement and acquisition equipment terminals include I-type concentrators, II-type concentrators, distribution transformer monitoring and measurement terminals, load management terminals, and station power data collection. Terminals, etc. Electric energy meters are divided into three-phase electric energy meters and single-phase electric energy meters. The collectors include I-type collectors and II-type collectors. Scenarios may use different data collection methods, such as data communication between the master station and the terminal using a wireless public network, RS485 or low-voltage power line carrier/micropower wireless data communication between the terminal and the power meter, and the collector and the power meter. RS485 is used for data communication between them.

At present, the reporting of related events of the electric energy meter is based on the previous power failure and power-on event reported by the running status word in the live state, that is, the operation state of the electric energy meter determines the event of the shutdown and the copying event for reporting, while the various terminals and collectors in the distribution network Power failure and restoration events may occur in all cases, that is, including not only energy meter events, but also collector events and terminal events. It is a multi-device event of multiple devices such as multiple energy meters, multiple collectors or multiple terminals, and it may also be an all-device event of all energy meters, all collectors or all terminals. The reporting method cannot distinguish the power meter, collector and terminal events, and the method can accurately locate the location of the power failure and recovery event, but in fact, the impact of power failure and recovery events in different locations and different ranges is different, such as terminal events such as concentrators. When it happens, if it is not dealt with in time, it will have a great impact on production, life and personal safety.

Some practitioners proposed to set up power failure and recovery monitoring equipment in the concentrators, collectors and other equipment in the distribution network except for the electric energy meter. In case of a power failure, the power meter, concentrator, collector and other equipment can be reported to the master station when a power failure occurs. However, there will be a large number of repeated reports in this type of method. For example, when a power failure occurs in the entire station area, Concentrators, energy meters, collectors and other equipment will monitor and report power outages. However, the bandwidth of the communication channel is limited. When a large number of nodes report events at the same time, there will inevitably be a loss of reported events, resulting in event reporting failure, and It is not conducive to locating the location of the power failure and restoration event and cannot deal with the power failure in time.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is as follows: in view of the technical problems existing in the prior art, the present invention provides a hierarchical outage with simple implementation method, timely reporting and high success rate, which can facilitate the location of power failure and restore power and avoid repeated reporting. The method and system for reporting the recovery of electricity.

In order to solve the above-mentioned technical problems, the technical scheme proposed by the present invention is:

A method for reporting power outage and resumption of power by grade, the steps include:

S1. Hierarchical configuration: Divide the power failure and restoration events in the low-voltage distribution network into three-level power failure and restoration events at the station level, key monitoring point level, and single-meter level, and configure the power failure and restoration events at all levels in the order from high to low. The priority of the power recovery event;

S2. Power failure and restoration monitoring: The power failure and restoration monitoring modules are arranged in the station area, key monitoring point and each electric energy meter of the target low-voltage distribution network, and the power interruption and restoration monitoring module is used to monitor whether a power failure and restoration event occurs in real time and Send a power outage and reinstatement signal when a power outage and reinstatement event is detected;

S3. Hierarchical reporting: according to the configured priority order, it is judged whether the power failure and restoration signals are received from the station side, the key monitoring point side, and the power meter side. When it is judged that the power failure and restoration signals are received, the Report the power failure and restoration event at the corresponding level and end the reporting of the current power failure and restoration event.

As a further improvement of the present invention, the step S3 includes: judging whether the power outage and restoration signal from the station side is received, and if a corresponding station-level power interruption and restoration event is generated, it is reported to the master station and the current reporting is ended. , otherwise judge whether to receive the power outage and restoration signal from the key monitoring point side, if it generates the corresponding key monitoring point level power interruption and restoration event and report it to the master station and end the current report, otherwise judge whether to receive the power outage and restoration signal from each electric energy meter side If the power failure and recovery signal is a corresponding single-meter-level power failure and recovery event, it is reported to the master station and the current reporting is ended.

As a further improvement of the present invention, in the step S2, the power failure and restoration monitoring module is arranged in the concentrator or the configured operation detection terminal, and the power failure and restoration monitoring module is used to monitor whether the concentrator or the operation detection terminal is A power failure and restoration event occurs; in the step S3, when the power failure and restoration monitoring module of the concentrator or the operation detection terminal detects that a power interruption and restoration event occurs, the electricity meter data is obtained to verify that the power interruption and restoration event occurs. Corresponding station-level power failure and restoration events are reported to the master station.

As a further improvement of the present invention, the step S2 further includes arranging the power outage and restoration monitoring modules in each low-voltage branch line in the station area, and monitoring in real time whether the power outage and restoration occurs in each low-voltage branch line through the power outage and restoration monitoring module. power recovery event, and report the power failure and recovery signal to the concentrator or the configured operation detection terminal when the occurrence of the power failure and recovery event is detected; in the step S3, when the concentrator or the configured operation detection terminal receives When the power outage and resumption monitoring module of the low-voltage branch line receives a power outage and resumption signal, a corresponding station-level power outage and resumption event is generated and reported to the master station.

As a further improvement of the present invention, in the step S2, it also includes arranging a high-voltage data collector on the high-voltage line in the platform area, and collecting the data of the high-voltage line in real time through the high-voltage data collector. In the step S3, the centralized The high-voltage data collector or the configured operation detection terminal collects the running status of the high-voltage data collector in real time, and when it is judged that a power failure and restoration event occurs according to the running status of the high-voltage data collector, a corresponding station-level power failure and restoration event is generated and report to the main site.

As a further improvement of the present invention, in the step S2, a plurality of the key monitoring points are set at the required key branch lines and key users, and the power failure and restoration monitoring modules are respectively arranged at each of the key monitoring points, The monitoring module for power failure and power failure monitors whether a power failure and power failure event occurs at each of the key monitoring points, and when a power failure event occurs, the power failure and power failure signal is reported to the concentrator or the configured operation detection terminal; the step S3 , when the concentrator or the configured operation detection terminal receives the power outage and resumption signal from the power outage and resumption monitoring module of the key monitoring point, the corresponding key monitoring point-level power outage and resumption event is generated and reported to the master station .

As a further improvement of the present invention, in the step S2, the power failure and restoration monitoring modules are respectively arranged in the communication modules of the electric energy meters, and the power failure and restoration monitoring modules are used to monitor in real time whether the electric power failure and restoration monitoring modules occur in the communication modules of the electric energy meters. Event, when the power failure and recovery event is detected, the signal status and communication status of the communication module of the electric energy meter are obtained to confirm the power failure and recovery event. When it is confirmed that the power failure and recovery event occurs, the power meter power failure and recovery signal is generated and reported to the concentrator or the configured collection terminal; in step S3, when the concentrator or the configured collection terminal receives the power meter power failure and recovery signal, a corresponding single-meter-level power failure and recovery event is generated and reported to the master station.

As a further improvement of the present invention, in the step S2, it also includes arranging the power failure and restoration monitoring module in the collector, and monitoring whether a power failure and restoration event occurs in the collector in real time through the power failure and restoration monitoring module. When a power failure and restoration event occurs, the power failure and restoration event is confirmed according to the communication status between the collector and the electric energy meter. When it is confirmed that the power failure restoration event occurs, a power failure restoration signal of the collector is generated and reported to the concentrator or the configured collection terminal; the steps In S3, when the concentrator or the configured collection terminal receives the signal of power failure and restoration of the collector, a corresponding power failure and restoration event is generated and reported to the master station.

As a further improvement of the present invention, the power failure and restoration monitoring module is configured to include an energy storage unit and a monitoring unit that are connected to each other. When the monitoring unit is powered off, the energy storage unit monitors the monitoring unit. When the energy storage unit supplies power to the monitoring unit for a specified period of time, it is determined that a power failure and restoration event occurs.

A classification system for reporting power failure and restoration, comprising:

The hierarchical configuration module is used to divide the power failure and restoration events in the low-voltage distribution network into three-level power failure and restoration events at the station level, key monitoring point level, and single-meter level, and configure all levels in order from high to low. Priority of power outage events;

Power failure and restoration monitoring modules are arranged in the target low-voltage distribution network, key monitoring points and energy meters, to monitor whether power failure and restoration events occur in real time, and send power failure and restoration events when a power failure and restoration event is detected. Signal;

The hierarchical reporting module is used to judge whether the power failure and restoration signals from the station side, the key monitoring point side, and the power meter side are received in sequence according to the configured priority order. The corresponding level of power failure and restoration events are generated and reported, and the reporting of the current power failure and restoration events is ended.

Compared with the prior art, the advantages of the present invention are:

1. The present invention divides the power outage and resumption events into three levels by considering the influence degree of the power outage and resumption of power events in different scopes. A power failure and restoration event occurs, once it is judged that a power failure and restoration event has occurred, it will be reported. At the same time, the current report will be terminated and other lower priority power failure and restoration reports will be blocked, which can support the timely reporting of power failure and restoration events in different coverage areas. The problem of instant reporting of events after a power failure of the low-voltage acquisition terminal can avoid a large number of repeated reports and ensure successful reporting.

2. The present invention judges the occurrence of power failure and restoration events at all levels in order of priority, and reports when power failure and restoration occurs, so that power failure and restoration events can be reported according to the degree of influence and dealt with in a timely manner, thereby reducing the occurrence of power failure and restoration events. At the same time, it can avoid the repeated reporting of the same power failure and restoration event. Based on the hierarchical reporting, it is also convenient to accurately locate the location of the power failure and restoration.

3. According to the overall reasons for power failure and restoration of the station area, the present invention is equipped with a power failure and restoration monitoring module in the concentrator or the configured operation detection terminal, so that the power failure and restoration events in the station area caused by transformer faults can be reported in time. The output end of each low-voltage branch line is equipped with a power failure and recovery monitoring module, which is then reported to the main station by the concentrator or the operation detection terminal, so that the power failure and recovery event in the station area caused by the low-voltage branch line can be reported in time, and the high-voltage line can be arranged on the high-voltage line. The data collector collects the running status of the high-voltage data collector in real time by the concentrator or the operation detection terminal, and can timely report the power outage and restoration event of the station area caused by the fault of the high-voltage line.

4. The present invention further arranges power failure and recovery monitoring modules at each key monitoring point, and reports to the main station when power failure occurs at each key monitoring point, so that the key monitoring points of key branch lines, key users, etc. in the distribution network can be shut down. Timely reporting of power restoration events; by arranging a power failure and power restoration monitoring module in the power meter communication module, combined with the signal status and communication status of the power meter communication module, it can effectively determine whether the power meter power failure and power restoration occurs, and confirm that the power failure and power restoration event occurs immediately. Report to the concentrator or collection terminal, and report to the master station by the concentrator or collection terminal. It can realize the timely reporting of single-meter-level power failure and restoration events.

5. The present invention is based on the original concentrators, electric energy meters, and collectors in the station area, supplemented by monitoring equipment at key monitoring points, combined with the active reporting and collection of power outage events, and the main station power outage fault research and judgment, to realize the station area to household meter. The three-level online monitoring of the power supply status and the reporting of power outage events solves the real-time reporting of events after a power outage, and can make full use of the acquisition advantages of the power consumption information acquisition system, and is deeply integrated with the power supply service command platform, so that "passive emergency repair" can be transformed into "Active operation and maintenance" further solves the "last mile" problem of power supply services, and comprehensively improves service response speed and distribution network operation and management level.

Description of drawings

FIG. 1 is a schematic flowchart of the implementation of the method for reporting power failure and resumption of power at different levels according to the present embodiment.

FIG. 2 is a schematic diagram of the implementation flow of implementing the reporting of power failure and restoration at the station level in this embodiment.

FIG. 3 is a schematic flowchart of the first implementation of the power failure reporting of the carrier meter in this embodiment.

FIG. 4 is a schematic flowchart of the second implementation of the carrier meter power failure reporting in this embodiment.

FIG. 5 is a schematic flowchart of the first implementation of the power failure reporting of the RS485 meter under the collector in this embodiment.

FIG. 6 is a schematic flowchart of the second implementation of the power failure reporting of the RS485 meter under the collector in this embodiment.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.

As shown in FIG. 1 , the steps of the method for reporting power failure and resumption of power by classification in this embodiment include:

S1. Hierarchical configuration: Divide the power failure and restoration events in the low-voltage distribution network into three-level power failure and restoration events at the station level, key monitoring point level, and single-meter level, and configure the power failure and restoration events at all levels in the order from high to low. The priority of the power recovery event;

S2. Power failure and recovery monitoring: The power failure and recovery monitoring modules are arranged in the target low-voltage distribution network’s station area, key monitoring points, and each electric energy meter. When the power outage and reinstatement event occurs, the power outage and resumption signal is sent;

S3. Hierarchical reporting: According to the priority order of configuration, it is judged whether the power failure and restoration signals are received from the station side, the key monitoring point side, and the power meter side. When it is judged that the power failure and restoration signals are received, the corresponding level is generated Report the power failure and restoration event and end the reporting of the current power failure and restoration event.

In this embodiment, considering the degree of influence of power outage and restoration events in different scopes, power interruption and restoration events are divided into three levels: station-level power interruption and restoration events, key monitoring point-level power interruption and restoration events, and single-meter-level power interruption and restoration events. District-level power failure and restoration events have the highest priority, followed by key monitoring point-level power failure and restoration events, and the lowest priority is single-meter-level power failure and restoration events. Monitor the occurrence of power failure and restoration events, and judge whether power failure and restoration events have occurred in the order of priority. Once it is judged that a power failure restoration event has occurred, it will report the occurrence of power failure and restoration, and end the current report at the same time to shield other lower priority power failure and restoration reports. , which can support the timely reporting of power failure and restoration events in different coverage areas, solve the problem of instant reporting of events after a power failure of the low-voltage acquisition terminal, and avoid a large number of repeated reports to ensure successful reporting.

The specific configuration of this embodiment enables the single node event reporting of the communication network to have an active reporting mechanism. The surrounding nodes that are not powered off receive the power outage event of the outage node (such as the communication address of the outage node), and in the current terminal data collection state or idle state, The power outage event is forwarded and reported to the terminal local communication module step by step, the terminal local communication module reports to the terminal, and finally the terminal reports to the master station based on the above three-level power outage and restoration event.

In this embodiment, step S3 specifically includes: judging whether a power failure and restoration signal from the station area side is received, if a corresponding station area level power interruption and restoration event is generated and reported to the master station and the current reporting is ended, otherwise, it is judged whether to receive If the power failure and recovery signal from the key monitoring point side is generated, the corresponding key monitoring point level power failure and recovery event is reported to the master station and the current report is ended, otherwise it is judged whether to receive the power failure and recovery signal from each energy meter side, if yes A corresponding single-meter-level power failure and recovery event is generated and reported to the master station, and the current report is ended. By judging the occurrence of power failure and restoration events at all levels in order of priority, and reporting the power failure and restoration events when they occur, the power failure and restoration events can be reported and dealt with in a timely manner according to the degree of impact, reducing the loss caused by power failure and restoration, and at the same time, it can be To avoid repeated reporting of the same power failure and restoration event, it is also convenient to accurately locate the location of power failure and restoration based on hierarchical reporting.

The overall power outage in the station area due to distribution transformer failure, line fault, etc. has a great impact on production, life and personal safety, and is also the most urgent power outage condition for maintenance. In this embodiment, the station-level power failure and restoration event is configured as the highest priority. , realize the real-time reporting of power outage events in the station area, and turn "passive emergency repair" into "active operation and maintenance" to improve the reliability of power supply and the quality of power supply services.

For the event of power failure and restoration in the station area, in step S2 of this embodiment, a power failure and restoration monitoring module is specifically arranged in the concentrator or the configured operation detection terminal, and the power failure and restoration monitoring module is used to monitor whether the power failure and restoration occurs in the concentrator or the operation detection terminal. In step S3, when the power failure and recovery monitoring module of the concentrator or the operation detection terminal detects that the power failure and recovery event occurs, the electricity meter data is obtained to verify that the power failure recovery event is generated and the corresponding station-level power failure recovery event is generated and reported. to the master. When the transformer in the station area fails, the entire station area will be powered off. In this case, the concentrator or the additionally configured operation detection terminal itself will be powered off. In this embodiment, the concentrator or the configured operation detection terminal is equipped with a The local communication module of the power monitoring module has the highest priority for the power failure and restoration event at the station level. When the power failure occurs, the power meter data is obtained to verify that the power failure event has indeed occurred and then reported to the system master station, which can timely report the power failure caused by the transformer. District power outage events.

For the event of power failure and restoration in the station area, in step S2 of this embodiment, it further includes arranging power failure and restoration monitoring modules in each low-voltage branch line in the station area, and monitoring whether the power failure and restoration occurs in each low-voltage branch line in real time through the power interruption and restoration monitoring module. When the power failure and recovery event is detected, the power failure and recovery signal will be reported to the concentrator or the configured operation detection terminal; in step S3, when the concentrator or the configured operation detection terminal receives a power failure from the low-voltage branch line When the power failure and power recovery signal of the power recovery monitoring module is generated, the corresponding station-level power failure recovery event is generated and reported to the master station. When faults such as tripping of low-voltage branch switches in each low-voltage branch line in the station area will also cause power outages in the station area, in this embodiment, a power failure and recovery monitoring module is arranged in each low-voltage branch line, and is specifically arranged in each low-voltage branch switch. The output terminal is reported to the concentrator or the operation detection terminal when the power failure occurs. Based on the highest priority, the concentrator or the operation detection terminal will report it to the main station, which can timely report the power failure and restoration event of the station area caused by the low-voltage branch line.

For the event of power failure and restoration in the station area, in step S2 of this embodiment, a high-voltage data collector is also arranged on the high-voltage line in the station area, and the data of the high-voltage line is collected in real time through the high-voltage data collector. In step S3, the concentrator or the configured The operation detection terminal collects the running status of the high-voltage data collector in real time. When it is judged that a power failure and restoration event occurs according to the running status of the high-voltage data collector, the corresponding station-level power failure and restoration event is generated and reported to the master station. When the high-voltage line (specifically 10kV) in the station area fails, it will also cause a power outage in the station area. In this embodiment, by arranging a high-voltage data collector on the high-voltage line, the concentrator or the operation detection terminal collects the running status of the high-voltage data collector in real time. Based on the highest priority, it will be reported to the master station when the power outage occurs, and the power outage and restoration event in the station area caused by the high-voltage line failure can be reported in time.

The signal from the power failure and recovery monitoring module or the high-voltage data collector can be received by the concentrator and reported to the master station, or the signal of the power failure and recovery monitoring module can be received by adding a configuration operation detection terminal and reported to the master station for operation detection. Specifically, the terminal may adopt an intelligent running terminal.

In this embodiment, the above three types of power outage and resumption events are divided according to the cause according to the overall power outage and restoration of the station area, and the characteristics of each type of event are reported, so that the above-mentioned station-area-level power outage and restoration events can be reported in time.

In this embodiment, the power failure and recovery monitoring module is configured to include an energy storage unit and a monitoring unit that are connected to each other. When the monitoring unit is powered off, the energy storage unit supplies the monitoring unit, and when the energy storage unit supplies power to the monitoring unit for a specified period of time , it is determined that a power failure and resumption event has occurred. The power failure and recovery monitoring module specifically adopts monitoring equipment with super capacitors. The monitoring equipment can be collectors, energy meters or special equipment. After the power failure at the monitoring point, a power failure event occurs. If the super capacitor continues to supply power to the monitoring equipment for more than a certain period of time Threshold, it can be judged that the power failure and resumption event occurs.

In the specific application example, the power outage and restoration events in the station area are specifically divided into the following three categories, and the reporting process of various types of events is as follows:

(1) Power outage and restoration of the whole area caused by 10kV line failure

Install the high-voltage data collector unit on the 10kV high-voltage line, and use the concentrator/operation detection terminal to collect the operating conditions of the high-voltage data collector unit through wireless channels in real time. The power outage event in the station area is reported to the system master station.

(2) Power failure and restoration of the station area caused by the abnormality of the low-voltage branch switch

Install branch monitoring equipment with super capacitors at the output end of the low-voltage branch switch in the power distribution room to collect the status of the low-voltage switch and the reason for tripping (such as overload, short circuit, grounding, etc.) Report to the concentrator/operation detection terminal, and the concentrator/operation detection terminal will report the branch trip event and the reason of the trip to the system master station.

(3) Power outage and restoration in Taiwan area caused by transformer failure, etc.

When the 10kV side operates normally and the branch switch on the transformer side is not tripped, the transformer fault will also cause power outage in the station area. Since the concentrator/operation detection terminal itself will also lose power, the concentrator/operation detection terminal is equipped with a super The local communication module of the capacitor is used to detect the occurrence of power failure and power failure. When the power failure occurs, it communicates with the user-end energy meter or collector through the local channel, and reports to the system master station after verifying that the power failure event has indeed occurred.

In the specific application embodiment of the present invention, for the event of power failure and restoration at the station area level, by adding monitoring equipment with super capacitors in the concentrator communication module, or adding new operation detection equipment, and adding auxiliary power failure operation inspection equipment to the main branches of the station area, The transportation inspection equipment has a built-in super capacitor and a built-in communication module with two channels of carrier wave and micropower, and upgrades the concentrator software and the master station software to report the power failure and restoration event according to the process shown in Figure 2, that is, when the operation is carried out. When the inspection equipment is powered off, the monitoring equipment with super capacitors senses the occurrence of power failure and resumption of power, and reports it to the concentrator or inspection equipment. The concentrator or inspection equipment determines whether the data can be read to confirm the power failure and resumption event After a power failure and restoration event occurs, it is reported to the master station. When the power failure occurs in the concentrator or the inspection equipment, the built-in super capacitor provides power for a certain period of time (such as 15s), and judges whether the data can be read to confirm the power failure and restoration event. , and report it to the master station after confirming that the power failure and resumption event has occurred.

For the event of power failure and restoration at the key monitoring point level, in step S2 of this embodiment, multiple key monitoring points are set at the required key branch lines and key users, and power failure and restoration monitoring modules are respectively arranged at each key monitoring point. The power restoration monitoring module monitors whether a power failure and restoration event occurs at each key monitoring point, and reports the power failure and restoration signal to the concentrator or the configured operation detection terminal when the power failure event is detected; in step S3, when the concentrator or the configured operation detection terminal When the operation detection terminal receives the power failure and recovery signal from the power failure and recovery monitoring module of the key monitoring point, it generates the corresponding power failure and recovery event at the key monitoring point level and reports it to the main station. By arranging power failure and recovery monitoring modules at key monitoring points, and reporting to the main station when power failure occurs at each key monitoring point, it is possible to realize timely power failure and recovery events at key monitoring points such as key branch lines and key users in the distribution network. report.

In this embodiment, monitoring equipment with super capacitors is installed at key monitoring points to detect the occurrence of power failure and restoration events. The monitoring equipment may be a collector, an electric energy meter or a special device. After a power failure event occurs at the monitoring point, the terminal local The communication module is equipped with a super capacitor, which communicates with the monitoring equipment after a power failure to obtain the power failure event and reports it to the system master station.

In step S2 of this embodiment, a power failure and restoration monitoring module is arranged in each electric energy meter communication module, and the power interruption and restoration monitoring module is used to monitor in real time whether a power interruption and restoration event occurs in each electric energy meter communication module. When the signal status and communication status of the communication module of the electric energy meter are obtained to confirm the power failure and restoration event, when it is confirmed that the power interruption and restoration event occurs, the electric energy meter power failure and restoration signal is generated and reported to the concentrator or the configured collection terminal; in step S3, When the concentrator or the configured acquisition terminal receives the power meter power failure and recovery signal, a corresponding single-meter-level power failure and recovery event is generated and reported to the master station. By arranging the power failure and power recovery monitoring module in the power meter communication module, combined with the signal status and communication status of the power meter communication module, it can effectively determine whether the power meter power failure and power failure occurs, and when it is confirmed that the power failure and power recovery event occurs, it will be reported to the concentrator or collected. The terminal is reported to the master station by the concentrator or the collection terminal. In the specific application embodiment, for a single-meter-level power failure and restoration event, it can also be configured to report when the number of faulty electric energy meters reaches a certain number. Reduce unnecessary escalations.

In the specific application embodiment of the present invention, for the single-meter-level power failure and restoration of the carrier meter, the following two schemes are used for reporting:

Option 1: Add super capacitors to the communication module and upgrade the software, and upgrade the software of the concentrator communication module and the master station software, and report the power failure and recovery event according to the process as shown in Figure 3. When the carrier meter is powered off, The monitoring device with supercapacitor built in the communication module of the electric energy meter senses the power failure, and determines that the power supply of the supercapacitor lasts for a specified time (15s) or more, and obtains the zero-crossing signal and serial communication status of the communication module of the electric energy meter. According to the zero-crossing signal 、The serial communication status confirms whether the power failure has occurred. Specifically, the power failure is judged according to whether the zero-crossing signal is missing or not, and the power failure event is judged by the level of the weak current pin of the module and the communication with the electric energy meter. If the occurrence is confirmed, the electric energy meter is generated. Power failure information, the concentrator communication module automatically obtains the power failure information, reports the power failure information to the concentrator, and then reports the power failure information to the master station. time processing.

Option 2: Increase the use of carrier-micropower wireless dual-channel modules, and add monitoring equipment with super capacitors to the communication module, and upgrade the communication module software, concentrator communication module software, and master station software, as shown in Figure 4 The process shown is to report the power failure and restoration event.

In step S2 of this embodiment, it also includes arranging a power failure and recovery monitoring module in the collector, and monitoring whether a power failure and recovery event occurs in the collector in real time through the power failure recovery monitoring module. Confirm the power failure and recovery event with the communication status of the electric energy meter. When it is confirmed that the power failure and recovery event occurs, the collector will generate a power failure and recovery signal and report it to the concentrator or the configured collection terminal; in step S3, when the concentrator or the configured collection terminal receives When the signal of power failure and recovery of the collector is reached, the corresponding event of power failure and recovery is generated and reported to the master station. In the distribution network, a single-user power failure and recovery event such as a collector may also occur. For the single-user power failure and recovery event of the collector, this embodiment arranges a power failure and recovery monitoring module in the collector. When the power failure and recovery occurs It can be reported to the concentrator or the configured collection terminal in time, and the concentrator or the configured collection terminal determines whether to report to the master station.

In the specific application embodiment of the present invention, the following two schemes are used to report the power failure and restoration of a single user whose RS485 meter is powered off under the collector:

Option 1: Change the original type I collector communication module/type II collector to three-phase power connection and add monitoring equipment with super capacitors, and upgrade the collector communication chip software, concentrator software, and concentrator communication module software , the concentrator software and the master station software are upgraded, and report according to the process shown in Figure 5. When the RS485 meter is powered off, the monitoring equipment with super capacitors built in the collector senses the power failure, and the collector obtains the power The information of the power failure meter generates power failure information, and the terminal communication module automatically obtains the power failure information, reports the power failure information to the concentrator, and the concentrator confirms whether it is reported to the master station.

Solution 2: At the moment when the power meter is powered off, the power meter only maintains basic operations such as display and buttons, but cannot automatically report its own power failure status, so it can only rely on the concentrator to poll the power meter to diagnose the power failure event, but This method may cause false alarms due to 485 line faults, so it is necessary to install a communication module on the electric energy meter or add a power-off communication device to the meter to achieve error-free reporting of power outage events.

In this solution, by adding super capacitors or adding new operation inspection equipment to the concentrator communication module, each meter phase is equipped with auxiliary power failure inspection equipment, the operation inspection equipment has built-in super capacitors, and a built-in communication module with two channels of carrier wave/micropower. Upgrade the software of the concentrator and the master station, and report according to the process shown in Figure 6. When the inspection equipment senses a power failure, the concentrator or the inspection equipment determines whether the data can be read to confirm the power failure and restoration. When the event occurs, report the power-down event to the master station when it is confirmed.

In this embodiment, the carrier module of the concentrator and the communication module of the electric energy meter are equipped with dual channels of carrier wave and micro-power, and built-in super capacitors, which can maintain the communication power supply for 60s after a power failure, and the communication module of the electric energy meter can directly report or use the surrounding The node reports the power failure and recovery event to the concentrator, and the concentrator reports the power failure recovery event to the acquisition master station through GPRS. After the built-in super capacitor senses the power failure recovery event, it reports the power failure and recovery event according to the above reporting mechanism, which can support the power failure of different coverage areas. Report the recovery event.

The above reporting method in this embodiment is based on the original concentrators, electric energy meters, and collectors in the station area, supplemented by monitoring equipment at key monitoring points, combined with active reporting of power outage events and collection of main station power outage faults. The three-level online monitoring of the power supply status of the household meter and the reporting of power outage events solves the real-time reporting of events after a power outage. ” into “active operation and maintenance”, which further solves the “last mile” problem of power supply services, and comprehensively improves service response speed and distribution network operation and management level.

This embodiment is further configured so that the local communication channel has a collision avoidance mechanism, that is, the multi-node event reporting of the communication network needs to have a collision detection/collision avoidance mechanism. By adding a collision detection/collision avoidance mechanism, the limited communication channel bandwidth can be When the nodes report events at the same time, the probability of conflict between the event reporting signals is reduced, and the success rate of event reporting is improved.

The present embodiment further provides a hierarchical power failure and restoration reporting system, including:

The hierarchical configuration module is used to divide the power failure and restoration events in the low-voltage distribution network into three-level power failure and restoration events at the station level, key monitoring point level, and single-meter level, and configure all levels in order from high to low. Priority of power outage events;

Power failure and restoration monitoring modules are arranged in the target low-voltage distribution network, key monitoring points and energy meters, to monitor whether power failure and restoration events occur in real time, and send power failure and restoration events when a power failure and restoration event is detected. Signal;

The hierarchical reporting module is used to judge whether the power failure and restoration signals from the station side, the key monitoring point side, and the power meter side are received in sequence according to the configured priority order. Generate the corresponding level power failure and restore event and report it.

The hierarchical power failure and restoration reporting system in this embodiment corresponds to the above-mentioned hierarchical power failure and restoration reporting method and has the same principles, and details are not repeated here.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solutions of the present invention should fall within the protection scope of the technical solutions of the present invention.

Claims (10)

1. a classification method for reporting power failure and restoration, is characterized in that, step comprises: S1. Hierarchical configuration: Divide the power failure and restoration events in the low-voltage distribution network into three-level power failure and restoration events at the station level, key monitoring point level, and single-meter level, and configure the power failure and restoration events at all levels in the order from high to low. The priority of the power recovery event; S2. Power failure and restoration monitoring: The power failure and restoration monitoring modules are arranged in the station area, key monitoring point and each electric energy meter of the target low-voltage distribution network, and the power interruption and restoration monitoring module is used to monitor whether a power failure and restoration event occurs in real time and Send a power outage and reinstatement signal when a power outage and reinstatement event is detected; S3. Hierarchical reporting: according to the configured priority order, it is judged whether the power failure and restoration signals are received from the station side, the key monitoring point side, and the power meter side. When it is judged that the power failure and restoration signals are received, the Report the power failure and restoration event at the corresponding level and end the reporting of the current power failure and restoration event. 2. The method for reporting power failure and restoration according to claim 1, wherein the step S3 comprises: judging whether to receive the power failure and restoration signal from the station area side, if it is to generate a corresponding station area Report the power failure and recovery event to the master station and end the current report, otherwise judge whether to receive the power failure and recovery signal from the key monitoring point side, if it is a corresponding key monitoring point level power failure recovery event and report it to the master station and end Report currently, otherwise judge whether to receive the power outage and resumption signal from each electric energy meter side, and if so, generate a corresponding single-meter-level power outage and resumption event and report it to the master station and end the current report. 3. The method for reporting power failure and recovery according to claim 1, characterized in that, in the step S2, the power failure and recovery monitoring module is arranged in a concentrator or a configured operation detection terminal, and the power failure recovery monitoring module is The power monitoring module monitors the concentrator or the operation detection terminal for a power failure and restoration event; in the step S3, when the power failure and restoration monitoring module of the concentrator or the operation detection terminal detects that a power failure and restoration occurs In the event of an event, the power meter data is obtained to verify the power failure and restoration event, and the corresponding station-level power failure and restoration event is generated and reported to the master station. 4 . The method for reporting power failure and power failure according to claim 3 , wherein in the step S2 , the method further comprises arranging the power failure and power failure monitoring modules in each low-voltage branch line of the station area, and the power failure and power failure monitoring modules are arranged through the power failure and power failure monitoring modules. 5 . The power restoration monitoring module monitors in real time whether a power failure and power restoration event occurs in each low-voltage branch line, and reports the power failure and power restoration signal to the concentrator or the configured operation detection terminal when monitoring the power failure and power restoration event; in the step S3, when When the concentrator or the configured operation detection terminal receives a power failure and restoration signal from the power failure and restoration monitoring module of the low-voltage branch line, a corresponding station-level power failure and restoration event is generated and reported to the master station. 5. The method for reporting power failure and restoration according to claim 4, characterized in that, in the step S2, further comprising arranging a high-voltage data collector on the high-voltage line in the platform area, and collecting the high-voltage line in real time by the high-voltage data collector. In the step S3, the operation state of the high-voltage data collector is collected in real time by the concentrator or the configured operation detection terminal. , the corresponding station-level power failure and restoration event will be generated and reported to the master station. 6 . The method for reporting power failure and restoration according to any one of claims 1 to 5 , wherein in the step S2 , a plurality of the key monitoring devices are set at the required key branch lines and key users. 7 . The power failure and recovery monitoring modules are arranged at each of the key monitoring points, and the power failure and recovery monitoring modules are used to monitor whether a power failure and recovery event occurs at each of the key monitoring points, and when a power failure event is detected The power failure and recovery signal is reported to the concentrator or the configured operation detection terminal; in the step S3, when the concentrator or the configured operation detection terminal receives the power failure recovery monitoring module from the key monitoring point When the signal is received, the corresponding key monitoring point-level power failure and restoration events are generated and reported to the master station. 7 . The method for reporting power failure and restoration according to any one of claims 1 to 5 , wherein, in the step S2 , the power failure and restoration monitoring modules are respectively arranged in the communication modules of the electric energy meters, and the power failure and restoration monitoring modules are arranged through the The power failure and recovery monitoring module monitors in real time whether a power failure recovery event occurs in each electric energy meter communication module, and when a power failure recovery event is detected, the signal state and communication state of the electric energy meter communication module are obtained to confirm the power failure recovery event. When it is confirmed that a power failure and restoration event occurs, a power meter power failure and restoration signal is generated and reported to the concentrator or the configured collection terminal; in step S3, when the concentrator or the configured collection terminal receives the power meter power failure and restoration When the signal is received, the corresponding single-meter-level power failure and recovery event is generated and reported to the master station. 8 . The method for reporting power failure and restoration of power according to any one of claims 1 to 5 , wherein in the step S2 , the method further comprises arranging the power failure and restoration monitoring module in the collector, and through the The power failure and recovery monitoring module monitors the collector in real time whether a power failure and recovery event occurs. When a power failure recovery event is detected, the power failure recovery event is confirmed according to the communication status between the collector and the electric energy meter. The collector's power failure and recovery signal is reported to the concentrator or the configured collection terminal; in step S3, when the concentrator or the configured collection terminal receives the collector's power failure and recovery signal, a corresponding power failure and recovery signal is generated. event and report it to the master. 9 . The method for reporting power failure and recovery according to any one of claims 1 to 5 , wherein the monitoring module for power failure and recovery is configured to include an energy storage unit and a monitoring unit that are connected to each other. When the unit is powered off, the energy storage unit supplies power to the monitoring unit, and when the energy storage unit supplies power to the monitoring unit for a specified period of time, it is determined that a power failure and restoration event occurs. 10. A system for reporting power failure and resumption of power at different levels, comprising: The hierarchical configuration module is used to divide the power failure and restoration events in the low-voltage distribution network into three-level power failure and restoration events at the station level, key monitoring point level, and single-meter level, and configure all levels in order from high to low. Priority of power outage events; Power failure and restoration monitoring modules are arranged in the target low-voltage distribution network, key monitoring points and energy meters, to monitor whether power failure and restoration events occur in real time, and send power failure and restoration events when a power failure and restoration event is detected. Signal; The hierarchical reporting module is used to judge whether the power failure and restoration signals from the station side, the key monitoring point side, and the power meter side are received in sequence according to the configured priority order. The corresponding level of power failure and restoration events are generated and reported, and the reporting of the current power failure and restoration events is ended.

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