CN202931027U - Gprs network automatic scheduling system for rural power network transformer substations and small hydroelectric power stations - Google Patents
Gprs network automatic scheduling system for rural power network transformer substations and small hydroelectric power stations Download PDFInfo
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- CN202931027U CN202931027U CN2012204056125U CN201220405612U CN202931027U CN 202931027 U CN202931027 U CN 202931027U CN 2012204056125 U CN2012204056125 U CN 2012204056125U CN 201220405612 U CN201220405612 U CN 201220405612U CN 202931027 U CN202931027 U CN 202931027U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 30
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model discloses a Gprs network automatic scheduling system for rural power network transformer substations and small hydroelectric power stations. The system comprises detection management devices arranged at each of the rural power network transformer substations and hydroelectric power stations, first GPRS network transmission devices connected with the detection management devices; a second GPRS network transmission device wirelessly connected with the first GPRS network transmission devices, and a remote scheduling monitoring and management device connected with the second GPRS network transmission device. The Gprs network automatic scheduling system applies the GPRS network transmission technology to monitoring of the rural power network transformer substations and the small hydroelectric power stations, and realizes remote measuring, remote signaling and remote control of the rural power network transformer substations and the small hydroelectric power stations by matching with the hydroelectric power station monitoring and management devices arranged in the rural power network transformer substations and the hydroelectric power stations and the remote scheduling monitoring and management device arranged at a scheduling end, thereby not only reducing the required cost greatly, but also not needing channel maintenance.
Description
Technical field
The utility model relates to the Gprs network automatically dispatching patcher of a kind of rural power grids transformer station and small hydroelectric plant.
Background technology
Development along with electric power system, progressively require between rural power grids transformer station and small hydroelectric plant and electric company's dispatching office, realize the telemanagement of dispatching automation, but rural power grids transformer station and small hydroelectric plant are all remote little gullys, realize and electric company's dispatching office between the dispatching automation telemanagement, generally laying optical cable according to routine, and that laying optical cable is not only invested is too large, small hydroelectric plant can't be born, and rural power grids transformer station and small hydroelectric plant also ability do not safeguard fiber channel.
The utility model content
In order to address the above problem, the purpose of this utility model is to provide a kind of rural power grids transformer station of remote monitoring and administration and Gprs network automatically dispatching patcher of small hydroelectric plant be convenient to.
For achieving the above object, technical scheme that the utility model adopts is as follows:
The Gprs network automatically dispatching patcher of a kind of rural power grids transformer station and small hydroelectric plant, this system comprise the detection management devices that is arranged on each rural power grids transformer station and small hydroelectric plant, the first GPRS network transmitting device that is connected with described detection management devices, with the second GPRS network transmitting device of described the first GPRS network transmitting device wireless connections and the remote scheduling monitoring management apparatus that is connected with described the second GPRS network transmitting device.
Further, described detection management devices is that management devices detects in rural power grids transformer stations, and it comprises monitoring device of transformer, 35 kilovolt measure and control devices and 10 kilovolt measure and control devices.
Further, described detection management devices is the Hydropower Station Monitor management devices, and it comprises generator and monitoring device of transformer, 35 kilovolt measure and control devices and 10 kilovolt measure and control devices.
Further, all be connected with a uninterrupted power supply(ups) on described rural power grids transformer station's detection management devices and described remote scheduling monitoring management apparatus.
GPRS is considered to second generation mobile communication system to the essential step of 3G (Third Generation) Moblie evolution, the circuit switched data load mode of the dial mode of relatively original GSM, and GPRS is packet-switch technology, has advantages of " at a high speed " and " always online ".
The utility model applies to the GPRS network transmission technology in rural power grids transformer station and small hydroelectric plant monitoring, be equipped with monitoring management device and the remote scheduling monitoring management apparatus that is arranged on dispatching terminal in rural power grids transformer station and hydroelectric station, remote measurement, remote signalling and the remote control of rural power grids transformer station and small hydroelectric plant have been realized, not only greatly reduced required expense, and do not need passage to safeguard, be a very favourable thing for small hydroelectric plant.
Description of drawings
The picture that this description of drawings provides is used for auxiliary to further understanding of the present utility model, consists of the application's a part, does not consist of to improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Diagram:
1, management devices/Hydropower Station Monitor management devices detects in rural power grids transformer stations
11, generator and monitoring device of transformer/monitoring device of transformer
12,35 kilovolt measure and control devices 13,10 kilovolt measure and control devices
2, the first GPRS network transmitting device
3, the second GPRS network transmitting device
4, remote scheduling monitoring management apparatus
5, uninterrupted power supply(ups) (UPS)
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific implementation method, be used for explaining the utility model in schematic enforcement of the present utility model and explanation, but not as to restriction of the present utility model.
Embodiment 1:
As shown in Figure 1, the present embodiment discloses the Gprs network automatically dispatching patcher of a kind of rural power grids transformer station and small hydroelectric plant, this system comprise the detection management devices 1 that is arranged on each rural power grids transformer station and small hydroelectric plant, the first GPRS network transmitting device 2 that is connected with described detection management devices 1, with the second GPRS network transmitting device 3 of described the first GPRS network transmitting device 2 wireless connections and the remote scheduling monitoring management apparatus 4 that is connected with described the second GPRS network transmitting device 3.Wherein, detect management devices 1 and comprise rural power grids transformer station's detection management devices and Hydropower Station Monitor management devices.
As shown in Figure 1, rural power grids transformer stations detects management devices and comprises generator and monitoring device of transformer 11,35 kilovolt measure and control devices 12 and 10 kilovolt measure and control devices 13.
As shown in Figure 1, the Hydropower Station Monitor management devices comprises generator and monitoring device of transformer 11,35 kilovolt measure and control devices 12 and 10 kilovolt measure and control devices 13.
As shown in Figure 1, for the security reliability of safeguards system, all being connected with a uninterrupted power supply(ups) on detection management devices and remote scheduling monitoring management apparatus, is namely UPS.
During the present embodiment work, monitoring device of transformer 11 or generator and monitoring device of transformer 11,35 kilovolt measure and control devices 12 and 10 kilovolt measure and control devices 13 are transferred to remote scheduling monitoring management apparatus 4 with the data of its monitoring by the first GPRS network transmitting device 2 and the second GPRS network transmitting device 3, remote scheduling monitoring management apparatus 4 realize by the first GPRS network transmitting device 2 and the second GPRS network transmitting device to each hydroelectric station remote measurement, remote signalling and remote control.
Wherein, the first GPRS network transmitting device and the second GPRS network transmitting device are by high-performance technical grade MCU, the 56KB Sram﹠amp of dominant frequency 100M; 512KB Flash and high-performance technical grade GPRS wireless module form, and have following characteristics:
Adopt the flush bonding processor of Low Power High Performance, but high speed processing agreement and mass data;
The ICP/IP protocol stack of embedded standard is supported the transparent data transmission, and data terminal is always online;
Support Double Data center backup transmission and most according to central synchronous transmission (5 data center);
Support is according to domain name and access center, IP address;
Virtual support data private network (APN);
Multiple-working mode is selected, and is easy to use, flexible;
The design of software and hardware house dog guarantees system stability;
Support simultaneously the RS232/RS485 interface;
Support the wide power voltage supply of 5V～35V;
Anti-interference Design is fit to the abominable application demand of electromagnetic environment;
System configuration and maintenance interface easily;
Support serial ports software upgrading and remote maintenance.
Its wireless parameter is as follows:
Support the EGSM900/GSM1800 wireless network,
Compliant?to?GSM?phase?2/2+，
GPRS?multi-slot?class?10，
GPRS?Class?B，
Meet the SMG31bis technical specification,
The support dual-tone multifrequency (DTMF,
Encoding scheme: CS1-CS4,
Support full rate, EFR and half rate,
Support perfect AT order,
Supported data and SMS;
Interface:
Antennal interface 50 Ω/SMA (cloudy head),
SIM card 3V/1.8V detects automatically,
Standard DB9 male socket is supported RS232/RS485 simultaneously,
Serial data rate 110～230400bits/s;
Power supply:
Normal voltage+12VDC/500mA,
Voltage range+5～+ 35VDC,
Communication current＜250mA (12V);
Other parameter:
Operating ambient temperature-25～+ 65 ℃,
Storage temperature-40～+ 85 ℃,
Relative humidity 95% (without condensing).
Wherein, rural power grids transformer stations detects management devices 1 and adopts open, layered distribution type structure, mechanical floor, elementary layer, substation level; In standing, Ethernet is adopted in the communication of each protection and measurement and control unit, installs self band ethernet interface.Combine from realizing unattended requirement, protect, monitor, measure, control and press unified collocation, installation's power source is directly taken from the direct current system power supply in transformer station.Operation is controlled and is divided into three grades: complete local control on transformer station's master-control room local monitoring system; The primary equipment execute-in-place; The mutual locking in (primary equipment and microcomputer protecting device operation) and a distant place (operation of scheduling and background monitoring system) on the spot, signal can realize that teletransmission arrives background monitoring system.System platform and network operating system adopt Windows xp and the above real-time multi-task operating system of international popular; The establishment of systems soft ware and the application software database language of adopting international standards; System adopts monitoring, protected location, and its main feature has: device is micro computer monitoring, the protected location that is made of 32-bit microprocessor.But protection and the monitoring function of complete independently to primary equipment.The complete independent operating in each unit can not rely on background monitoring system and isolated operation.Supervisory control system has the multiple check means and the locking measure that makes mistakes.The bus of idle contact or complete electrical isolation is all adopted in connection between each system, improves anti-interference.The measure and control device soft and hardware has all been considered harmonic analysis, filtering and the filtering impact on metering indication etc.Adopt AC Data, volume is little, non-regulating, and installation and maintenance are quick, simple.The protection of unit, telemechanical, electric energy acquisition, communication function are relatively independent, are independent of each other.The A/D conversion accuracy should 14 and more than.Core component adopts very lagre scale integrated circuit (VLSIC), paster technique production.Multilayered printed plate technique, attractive and durable, Electro Magnetic Compatibility is good.The unit has perfect self-checking function and warning function and anti-interference and self-recovering function.Have liquid crystal display and tactile keyboard and form man-machine interface, carry out that the scene is checked, calculated, debugging and setup parameter, and cipher protection function should be arranged.Device available software coefficient adjustment electric current, voltage measuring value.Has event recording function.Device has communication interface, can detect trip event, the information such as tripping operation report, event report are sent to supervisory control system, and replys the supervisory control system inquiry, accept supervisory control system to the time, modification definite value, slot signal, throwing surrender the order such as protect; Compact conformation adopts special process to carry out " three is anti-" (moistureproof, dustproof, anti-salt fog) and processes.CT, the input of PT, by electric current, voltage test parts access protective device, in order to protective device is isolated and tested, tripping operation outlet loop and reclosing output loop to all protective devices provide test parts, so that contact its outlet loop.Measurement loop should adopt the 4mm2 terminal connections.
Wherein, generator and transformer measure and control device 11 configuration three-phase current detection, meritorious, idle detection, oil temperature detect and data remote, generator, become collection and the data remote of protection actuating signal.Specific as follows:
(1) remote measurement amount
Access generator, the three-phase current of transformer, three-phase voltage, exciting current, exciting voltage, meritorious, idle, power factor; The 35KV busbar voltage, go out line current, meritorious, idle, power factor; All line currents and 2 sections busbar voltages on 10KV2 section bus; Collection capacity is electric current, voltage, meritorious, idle, electricity.
(2) remote signalling amount
The protection actuating signal; Each circuit breaker position signal; The isolating switch position signalling; Spring is the energy storage signal not; The control loop disconnection signal; The main transformer non-electric charge quantity signalling; The accident resultant signal; Other common signals
Wherein, 35 kilovolt measure and control device 12 all functions can the scene or a distant place set as required to throw and move back, specific as follows:
1, measure
(1) electric current: Ia, Ib, Ic
(2) voltage: Vab, Vbc, Vca, Ua, Ub, Uc
(3) power: P, Q
(4) frequency: F
(5) electric degree: kwh, kwarh
(6) under power-down conditions, data can not lost
2, remote signalling
(1) the own desired signal of switch, the state of measuring switch amount and variation, and the switch amount state variation is carried out record
Wherein, 10 kilovolt measure and control devices 13 device all functions can the scene or a distant place set as required to throw and move back, specific as follows:
1, measure
(1) electric current: Ia, Ib, Ic
(2) voltage: Vab, Vbc, Vca, Ua, Ub, Uc, 3Uo
(3) power: P, Q
(4) frequency: F
(5) electric degree: kwh, kwarh
(6) under power-down conditions, data can not lost
2, remote signalling
(1) the own desired signal of switch, the state of measuring switch amount and variation, and the switch amount state variation is carried out record
Wherein, its mechanical performance is as follows:
Condition of work: can bear vibratory response, impulse response test that harsh grade is the I level;
Transportation condition: the vibration that can bear harsh grade and be the I level is durable, impact durable and bump test.
Wherein, its requirement for environmental conditions is as follows:
Ambient temperature:
Normal working temperature :-10 ℃～+ 50 ℃
Limiting temperature when disperseing to install is-25 ℃～+ 70 ℃ (without condensation)
Storage temperature :-25 ℃～+ 70 ℃
Maximum temperature difference per day: 25 ℃
Relative humidity:
Monthly mean relative humidity is not more than 90%
Per day relative humidity is not more than 95%
Height above sea level: 2000m
Maximum wind velocity: 35m/s
Earthquake intensity: 8 degree
Ground horizontal acceleration 0.25g
Ground normal acceleration 0.125g
Insulation resistance:
Meet the IEC255-5 standard, 100M Ω/500V
Withstand voltage properties:
Meet the IEC255-5 standard, 2.0kV/50HZ/1
The pulse voltage performance:
Meet the IEC255-5 standard ,+5kV/1.2/50 μ S/0.5J
Interference free performance:
Common mode disturbances: meet the IEC255-22-1 standard, 2.5kV/1MHZ/2S
Differential mode interference: meet the IEC255-22-1 standard, 1.0kV/1MHZ/2S
Radiation field disturbs: 30～500MHZ
Electrostatic interference: 8000V
Wherein, the system configuration of remote scheduling monitoring management apparatus 4:.
1. Duo 2 dual core processors, 2G internal memory, 320G hard disk, 512M display card MODEM, keyboard, 1 of mouse
2.22 1, very little liquid crystal
3. monitor system software 1 overlaps
4. the multi-media voice warning system is 1 pair
5. Epson printer is 1
6.HWG001 wireless data remote transmission device 1 cover
7.UPS (2kVA) 1
The basic function of its supervisory control system comprises: real time data receives and the data of processing each station supervising device, operation state of a control and supervision, screen display and operation, log, tabulation printing and picture copy etc.
Wherein, data are processed: to various analog quantitys, quantity of state and electric degree pulsed quantity, show in modes such as graphics tables, and can preserve desired information.Abnormal to remote measurement, switch and protection action provide acousto-optic voice alarm, and the record filing, possess the emergency review function.Can carry out various calculating and statistics, cumulative as timesharing electric weight such as rate of qualified voltage, the total Jia Hefeng of power, flat, paddy.Various collection capacities and amount of calculation should be able to online modification and printings.
Wherein, operation is controlled and security monitoring: during switch changed position, the displacement object is in screen up conversion color and flicker, accident object and classification are presented on screen, according to report to the police, two kinds of situations of TRIP are with the sound of different frequency, and on printer with displacement object or nature of occurence, content, constantly print.The sequence of events recording function can and can print the journal such as the displacement state of circuit breaker, relaying protection and other automatics in various accidents and time, as the foundation of operation and accident analysis.But split screen shows system's main wiring diagram of each transformer station, with the form of real time data demonstrate in main wiring diagram circuit-breaker status, busbar voltage, system frequency, oil temperature, each loop line road and main transformer electric current, power, main shift and clock (by the scheduling to the time).Can detect each transformer station's closing bus bar, the information such as flash of light bus, control bus, batteries, insulating monitoring, and can collect interchange, DC information is monitored.This transformer station of the preferential insertion of each transformer substation switch displacement shows.Show all log charts.Show load curve, voltage curve, voltage rod figure, load rod figure.The Storage ﹠ Display of the record ripple curve in the time of can having fault.The display operation process changes color after during operation, the operating breaker symbol flashes, operates.Have that multiwindow, regional area amplify, dwindle, roaming function.The electrical secondary system configuration picture but display system is stood entirely.The man-machine conversation mode has mouse, keyboard, function key, and menu all Chinesizes.When having an accident, can automatically release picture, and with voice alarm function.Display monitoring system conditions figure, monitoring system functional content and control and management feature content.Accident record: on off state displacement record, emergency review information and sequence of events recording.Exception record: the out-of-limit record of various remote measurement amounts.Normal recordings: various daily paper, monthly magazine record sheet and integral point record sheet etc., can the printing reports time.Control operation record: record controls operating personnel name, code name, time, content of operation.The service work record, Unit account of plant, switch motion record, work ticket record, the record sheets commonly used such as equipment deficiency record.Accident, fault, operation, self diagnosis, analog quantity get over/are limit list again.Statistic curve figure.The history library record can be preserved 1 year.Inquiry can be selected in all records.
Wherein, report generation, and file processing according to transformer station:
Form that loop electric degree number timing, settled date, fixed month calculating are full-time, the whole month electricity using at the peak time amount statistical report form;
Form full-time whole month of load factor, average load, peak load, minimum load statistical report form;
Form daily load statistic curve, rod figure that each step voltage has or not power, electricity;
Form the Monthly Bulletin of Statistics Section of each breaker operator number of times, automatic trip number of times;
Form every loop each cover protection action frequency Monthly Bulletin of Statistics Section.
Wherein, tabulation is printed and the picture copy
Printing type can be set to automatic or manual mode, and automated manner is by the time automatic printing form of adjusting, but the various data online modifications of printing type, form support timed print, real time print and calling to print.
Wherein, timed print: per hour report printing
Report printing every day: day electric energy accumulated value, daily load curve, change in voltage curve.
Report printing per month: month electric energy accumulated value, protection action frequency, reclosing action frequency and success rate; the line-to-ground number of times; month voltage statistic qualification rate, maximum load statistics (full station, main transformer, each outlet), each circuit breaker regular event number of times, failure removal action frequency etc.
Wherein, real time print
Circuit breaker displacement situation and operate time
Protection and reclosing action situation and operate time
All fault-signals and time
Wherein, calling is printed
Established form is printed again
Wherein, picture copy
No matter which kind of mode screen is in, and all can copy screen content to printer.
The above technical scheme that the utility model embodiment is provided is described in detail, used specific case herein principle and the execution mode of the utility model embodiment are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, all will change on embodiment and range of application, in sum, this description should not be construed as restriction of the present utility model.
Claims (4)
1. the Gprs network automatically dispatching patcher of a rural power grids transformer station and small hydroelectric plant, it is characterized in that this system comprise the detection management devices that is arranged on each rural power grids transformer station and small hydroelectric plant, the first GPRS network transmitting device that is connected with described detection management devices, with the second GPRS network transmitting device of described the first GPRS network transmitting device wireless connections and the remote scheduling monitoring management apparatus that is connected with described the second GPRS network transmitting device.
2. the Gprs network automatically dispatching patcher of rural power grids transformer station according to claim 1 and small hydroelectric plant is characterized in that:
Described detection management devices is that management devices detects in rural power grids transformer stations, and it comprises monitoring device of transformer, 35 kilovolt measure and control devices and 10 kilovolt measure and control devices.
3. the Gprs network automatically dispatching patcher of rural power grids transformer station according to claim 1 and small hydroelectric plant is characterized in that:
Described detection management devices is the Hydropower Station Monitor management devices, and it comprises generator and monitoring device of transformer, 35 kilovolt measure and control devices and 10 kilovolt measure and control devices.
4. the Gprs network automatically dispatching patcher of rural power grids transformer station according to claim 1 and small hydroelectric plant is characterized in that:
All be connected with a uninterrupted power supply(ups) on described rural power grids transformer station's detection management devices and described remote scheduling monitoring management apparatus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204056125U CN202931027U (en) | 2012-08-15 | 2012-08-15 | Gprs network automatic scheduling system for rural power network transformer substations and small hydroelectric power stations |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204056125U CN202931027U (en) | 2012-08-15 | 2012-08-15 | Gprs network automatic scheduling system for rural power network transformer substations and small hydroelectric power stations |
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| Publication Number | Publication Date |
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| CN202931027U true CN202931027U (en) | 2013-05-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503377A (en) * | 2014-11-05 | 2015-04-08 | 广东电网有限责任公司江门供电局 | Small hydro real-time information remote monitoring system |
| CN110266109A (en) * | 2019-06-26 | 2019-09-20 | 广东电网有限责任公司 | A kind of unmanned substation's centralized dispatching monitoring method and system |
| CN110609510A (en) * | 2019-10-30 | 2019-12-24 | 广东电网有限责任公司 | A small hydropower intelligent management and control device and system |
-
2012
- 2012-08-15 CN CN2012204056125U patent/CN202931027U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503377A (en) * | 2014-11-05 | 2015-04-08 | 广东电网有限责任公司江门供电局 | Small hydro real-time information remote monitoring system |
| CN110266109A (en) * | 2019-06-26 | 2019-09-20 | 广东电网有限责任公司 | A kind of unmanned substation's centralized dispatching monitoring method and system |
| CN110609510A (en) * | 2019-10-30 | 2019-12-24 | 广东电网有限责任公司 | A small hydropower intelligent management and control device and system |
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