CN105139712B - On-line scheduling person's training system and its method based on real-time simulation - Google Patents
On-line scheduling person's training system and its method based on real-time simulation Download PDFInfo
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Abstract
The present invention provides a kind of on-line scheduling person's training system and its method based on real-time simulation, including EMS system, the MMS system being connected with the EMS system, the RTDS analogue systems being connected with the MMS system, and the DTS system being connected with the RTDS analogue systems.EMS system obtains alterating and direct current network data from alternating current-direct current power network, MMS system obtains the alterating and direct current network data from the EMS system, operation of power networks data are generated according to the alterating and direct current network data, RTDS analogue systems obtain the operation of power networks data from the MMS system, simulation result is generated according to the operation of power networks data, DTS system obtains the simulation result from the RTDS analogue systems, teaching notes making is carried out according to the simulation result, and show the simulation result and teaching notes, so as to the operation characteristic of accurate simulation power network, emulation training is carried out.
Description
Technical Field
The invention relates to the field of power grid simulation, in particular to an online dispatcher training system and method based on real-time simulation.
Background
The DTS (Dispatcher Training Simulator) system is applied in China for nearly two decades, and can provide the Dispatcher with Training of normal operation, accident handling and system recovery, particularly Training of quick response capability during accidents, so that the DTS system has great significance for improving the service level of the Dispatcher and ensuring the safety and economic dispatching of a power grid.
However, in the DTS researched or developed by each research institution, the simulation kernel is electromechanical transient simulation based on quasi-steady-state or dynamic power flow, and it is difficult to accurately simulate the operation control characteristics of the modern ac/dc large power grid. With the wide application of high-power electronic technologies such as high-voltage direct current, series compensation, SVC, STATCOM and the like and the gradual popularization of clean energy such as wind power generation, energy storage and the like, the operation characteristics of a power grid in China become more complex, possible AC/DC power grid accidents are more various, the problem of system safety and stability is prominent, and the requirements on professional knowledge and operation experience of scheduling and operating personnel are higher and higher.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an online dispatcher training system based on real-time simulation and a method thereof, which can accurately simulate the operating characteristics of a power grid to carry out simulation training.
An online dispatcher training system based on real-time simulation, comprising:
an EMS system for obtaining AC/DC grid data from an AC/DC grid;
the MMS system is connected with the EMS system and used for obtaining the AC/DC power grid data from the EMS system and generating power grid operation data according to the AC/DC power grid data;
the RTDS simulation system is connected with the MMS system and used for obtaining the power grid operation data from the MMS system and generating a simulation result according to the power grid operation data; and
and the DTS system is connected with the RTDS simulation system and is used for obtaining the simulation result from the RTDS simulation system, making a teaching plan according to the simulation result and displaying the simulation result and the teaching plan.
According to the online dispatcher training system based on real-time simulation, an EMS system obtains AC/DC power grid data from an AC/DC power grid, an MMS system obtains the AC/DC power grid data from the EMS system, power grid operation data are generated according to the AC/DC power grid data, an RTDS simulation system obtains the power grid operation data from the MMS system, a simulation result is generated according to the power grid operation data, a DTS system obtains the simulation result from the RTDS simulation system, teaching plan making is carried out according to the simulation result, and the simulation result and the teaching plan are displayed, so that the operation characteristics of the power grid can be accurately simulated, and simulation training is carried out.
The invention also provides an online dispatcher training method based on real-time simulation, which is characterized by comprising the following steps of:
the MMS system obtains AC/DC power grid data from the EMS system and generates power grid operation data according to the AC/DC power grid data;
the RTDS simulation system obtains the power grid operation data from the MMS system, and generates a simulation result according to the power grid operation data;
and the DTS system obtains the simulation result from the RTDS simulation system, carries out teaching plan making according to the simulation result and displays the simulation result and the teaching plan.
The method comprises the steps that AC/DC power grid data are obtained from an EMS system through an MMS system, power grid operation data are generated according to the AC/DC power grid data, then an RTDS simulation system generates a simulation result according to the power grid operation data after obtaining the power grid operation data, finally a DTS system obtains the simulation result from the RTDS simulation system, teaching plan making is conducted according to the simulation result, and the simulation result and the teaching plan are displayed, so that the purposes of accurately simulating the operation characteristics of a power grid and conducting simulation training are achieved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an online dispatcher training system based on real-time simulation;
FIG. 2 is a schematic diagram of an on-line dispatcher training system based on real-time simulation according to another embodiment;
FIG. 3 is a schematic flow chart diagram of an on-line dispatcher training method based on real-time simulation according to an embodiment;
FIG. 4 is a schematic flow chart of an online dispatcher training method based on real-time simulation according to another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Please refer to fig. 1, which is a schematic diagram illustrating an embodiment of an online dispatcher training system based on real-time simulation.
An online dispatcher training system based on real-time simulation, comprising: an EMS (Energy management System) System 100, the EMS System 100 configured to obtain ac/dc grid data from an ac/dc grid; an MMS (mirror management System) System 101 connected to the EMS System 100, wherein the MMS System 101 is configured to obtain the ac/dc power grid data from the EMS System 100 and generate power grid operation data according to the ac/dc power grid data; an RTDS (Real-Time Digital Simulator) simulation system 102 connected to the MMS system 101, where the RTDS simulation system 102 is configured to obtain the power grid operation data from the MMS system 101, and generate a simulation result according to the power grid operation data; and a DTS (Dispatcher training system) system 103 connected to the RTDS simulation system 102, where the DTS system 103 is configured to obtain the simulation result from the RTDS simulation system 102, perform teaching plan making according to the simulation result, and display the simulation result and the teaching plan.
In this embodiment, the EMS system 100 obtains ac/dc power grid data from an ac/dc power grid, the MMS system 101 obtains the ac/dc power grid data from the EMS system 100, and generates power grid operation data according to the ac/dc power grid data, the RTDS simulation system 102 obtains the power grid operation data from the MMS system 101, and generates a simulation result according to the power grid operation data, the DTS system 103 obtains the simulation result from the RTDS simulation system 102, and performs teaching plan making according to the simulation result, and displays the simulation result and the teaching plan, so that the operation characteristics of the power grid can be accurately simulated, and simulation training is performed.
In one embodiment, as shown in fig. 2, the RTDS simulation system 202 includes a simulation module 204 and a dc control protection module 205, which are connected to each other, wherein the dc control protection module 205 is configured to generate control protection simulation data for performing control and protection operations on grid operation data;
the simulation module 204 is connected to the MMS system 201 and the DTS system 203, and is configured to obtain power grid operation data from the MMS system 201, obtain control protection simulation data from the dc control protection module 205, and generate a simulation result according to the power grid operation data and the control protection simulation data.
Specifically, the simulation module 204 of the RTDS simulation system 202 obtains the power grid operation data from the MMS system 201, and performs initialization setting on the power grid operation data to generate power grid operation simulation data; the direct current control protection module 205 generates control protection simulation data for performing control and protection operations on the power grid operation simulation data according to the power grid operation simulation data; the simulation module 204 generates a simulation result according to the power grid operation simulation data and the control protection simulation data. Therefore, accurate simulation result data for simulating the operation characteristics of the power grid are provided.
In one embodiment, as shown in fig. 2, the real-time simulation based online dispatcher training system further comprises: the system comprises a stability information system 207, a protection information system 208 and a comprehensive defense system 209 which are respectively connected with the MMS system 201, wherein the stability information system 207 is used for providing stability information data for the MMS system 201, the protection information system 208 is used for providing protection information data for the MMS system 201, the comprehensive defense system 209 is used for providing comprehensive defense data for the MMS system 201, and the MMS system 201 is further used for generating power grid operation data according to the stability information data, the protection information data and the comprehensive defense data.
More power grid operation data are provided through the stability information system, the protection information system and the comprehensive defense system, so that the simulation result can simulate the operation characteristics of the power grid more accurately.
In one embodiment, as shown in fig. 2, the online dispatcher training system based on real-time simulation further includes a display system 206 connected to the DTS system 203, where the display system 206 is configured to obtain a simulation result from the DTS system 203, generate a key KPI indicator according to the simulation result, and display the key KPI indicator.
Specifically, the display system 206 obtains a simulation result from the DTS system 203, generates a key KPI indicator according to the simulation result, and displays the key KPI indicator in a visualization form, where the visualization form includes a table, a curve, an animation, a two-dimensional contour form, so as to vividly and vividly perform simulation training.
A preferred embodiment, as shown in fig. 2:
the MMS system 201 obtains AC/DC power grid data from the EMS system 200, obtains safety information data from a safety information system 207, obtains protection information data from a protection information system 208 and obtains comprehensive defense data from a comprehensive defense system 209, power grid operation data is generated according to the AC/DC power grid data, the safety information data, the protection information data and the comprehensive defense data, a simulation module 204 of the RTDS simulation system 202 obtains the power grid operation data from the MMS system 201 and generates power grid operation simulation data, and a DC control protection module 205 generates control protection simulation data for controlling and protecting the power grid operation simulation data according to the power grid operation simulation data; the simulation module 204 generates a simulation result according to the power grid operation simulation data and the control protection simulation data, the DTS system 203 obtains the simulation result from the simulation module 204, performs teaching plan making according to the simulation result, and displays the simulation result and the teaching plan, so that the operation characteristics of the power grid can be accurately simulated, and simulation training is performed. Or the display system 206 obtains the simulation result from the DTS system 203, generates a key KPI indicator according to the simulation result, and displays the key KPI indicator in a visualization form, wherein the visualization form includes a table, a curve, an animation, a two-dimensional contour form, and the like, so as to vividly and vividly perform simulation training.
The invention also provides an online dispatcher training method based on real-time simulation, which comprises the following steps as shown in figure 3:
and S300, the MMS system obtains the AC/DC power grid data from the EMS system and generates power grid operation data according to the AC/DC power grid data.
And S301, the RTDS simulation system obtains the power grid operation data from the MMS system, and generates a simulation result according to the power grid operation data.
And S302, the DTS system obtains the simulation result from the RTDS simulation system, carries out teaching plan making according to the simulation result and displays the simulation result and the teaching plan.
The DTS system also can comprise functions of teaching plan development, management, maintenance, fault setting and the like, and call corresponding simulation results and teaching plan data through various functions and display corresponding simulation results.
In the embodiment, alternating current and direct current power grid data are obtained from an EMS system through an MMS system, power grid operation data are generated according to the alternating current and direct current power grid data, then a RTDS simulation system obtains the power grid operation data, a simulation result is generated according to the power grid operation data, finally a DTS system obtains the simulation result from the RTDS simulation system, teaching plan making is carried out according to the simulation result, and the simulation result and the teaching plan are displayed, so that the purposes of accurately simulating the operation characteristics of a power grid and carrying out simulation training are achieved.
In one embodiment, the method for training the on-line dispatcher based on real-time simulation further comprises the following steps:
the MMS system respectively obtains the stability information data from the stability information system, obtains the protection information data from the protection information system and obtains the comprehensive defense data from the comprehensive defense system, and generates power grid operation data according to the stability information data, the protection information data and the comprehensive defense data.
In the embodiment, the MMS system generates the power grid operation data according to the stability information data, the protection information data and the comprehensive defense data, so that the finally generated simulation result can accurately simulate various complex operation characteristics of the power grid.
In one embodiment, as shown in fig. 4, the step of generating the simulation result according to the grid operation data includes: :
and S400, acquiring the power grid operation data from the MMS system by a simulation module of the RTDS simulation system, and carrying out initialization setting on the power grid operation data to generate power grid operation simulation data.
S401, a direct current control protection module of the RTDS simulation system generates control protection simulation data for controlling and protecting the power grid operation simulation data according to the power grid operation simulation data.
S402, the simulation module generates a simulation result according to the power grid operation simulation data and the control protection simulation data.
In this embodiment, the power grid operation data is obtained from the MMS system through a simulation module, and the power grid operation data is initialized to generate power grid operation simulation data as initialization data; then the direct current control protection module generates control protection simulation data for controlling and protecting the power grid operation simulation data according to the power grid operation simulation data; and finally, generating a simulation result by the simulation module according to the power grid operation simulation data and the control protection simulation data. Therefore, the power grid operation simulation data are generated according to the power grid operation data, and the simulation result is generated by combining the simulation operation of controlling and protecting the power grid operation simulation data, so that the operation characteristics of the power grid are simulated accurately and vividly.
In one embodiment, the online dispatcher training method based on real-time simulation further comprises the step of displaying the simulation result through a display system:
the display system obtains the simulation result from the DTS system, and key KPI indexes are generated according to the simulation result;
and displaying the key KPI indexes in a visualization form, wherein the visualization form comprises a table, a curve, an animation, a two-dimensional contour form.
The Key Performance Indicator (Key Performance Indicator) measures a certain side of the operation of the power grid, and for the operation simulation of the power grid, the Key Performance Indicator (Key Performance Indicator) mainly focuses on the reliability and the economy of the power grid.
The reliability of the power grid comprises four aspects of availability, abundance, safety and power quality. The availability can adopt two general indexes of a system available coefficient and a coefficient unplanned shutdown coefficient, and four detail indexes of an available coefficient of an important line in a peak load period, an available coefficient of an unimportant line in the peak load period, an available coefficient of an important line in a waist load period and an available coefficient of the unimportant line in the waist load period.
The abundance of the power grid is examined from the three aspects of generating capacity, the use of power transmission equipment and standby. The adequacy of the generating capacity uses an adequacy difference index; the use index of the power transmission equipment adopts a section capacity margin index, the equipment or section tidal current exceeds the accumulated time of stable quota operation, the times of continuous overrun operation for more than 10min and the maximum time of continuous overrun operation, and the quantity and the accumulated time of 90-100% stable quota operation are adopted; the spare sufficiency adopts two indexes of a spare coefficient, spare unqualified days and accumulated unqualified time.
The evaluation indexes of the operation safety of the power grid comprise: the method comprises the following steps of unscheduled power failure times of a power transmission network access point, average failure outage frequency and average failure outage time of the power transmission network, accident times of different levels, system failure power failure equivalent minutes SM and system failure severity index SI.
The power quality has a frequency deviation index and a voltage deviation index, wherein the frequency deviation index comprises: frequency qualification rate index, frequency distribution statistical index, highest frequency deviation, lowest frequency deviation.
The economy of the power grid operation is examined from two aspects of the basic plane and the scheduling behavior of the power grid operation. Basic surface indexes of grid operation include: selling electricity, length of a power transmission line, capacity of power transformation equipment, average/maximum/minimum load rate of a line, load rate variance of the power transmission equipment, power flow distribution variance index and power transmission section quota index; the performance indexes of the scheduling behaviors comprise: loss rate of power transmission network, spare capacity margin index and power transmission cost index.
And generating key KPI (Key performance indicator) by a simulation result through a display system, and displaying the key KPI in a visual form, so that the operation characteristic of the power grid is vividly displayed, and simulation training of scheduling, operation and control is carried out on power grid operators.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. An online dispatcher training system based on real-time simulation, comprising:
an EMS system for obtaining AC/DC grid data from an AC/DC grid;
the MMS system is connected with the EMS system and used for obtaining the AC/DC power grid data from the EMS system and generating power grid operation data according to the AC/DC power grid data;
the RTDS simulation system is connected with the MMS system and used for obtaining the power grid operation data from the MMS system and generating a simulation result according to the power grid operation data;
the DTS system is connected with the RTDS simulation system and used for obtaining the simulation result from the RTDS simulation system, making a teaching plan according to the simulation result and displaying the simulation result and the teaching plan;
the RTDS simulation system comprises:
the simulation module and the direct current control protection module are connected with each other; wherein,
the direct current control protection module is used for generating control protection simulation data for controlling and protecting operation of power grid operation data;
the simulation module is respectively connected with the MMS system and the DTS system and is used for acquiring power grid operation data from the MMS system, acquiring control protection simulation data from the direct current control protection module and generating a simulation result according to the power grid operation data and the control protection simulation data.
2. The real-time simulation based online dispatcher training system of claim 1, further comprising:
the system comprises a stability information system, a protection information system and a comprehensive defense system which are respectively connected with the MMS system, wherein the stability information system is used for providing stability information data for the MMS system, the protection information system is used for providing protection information data for the MMS system, the comprehensive defense system is used for providing comprehensive defense data for the MMS system, and the MMS system is further used for generating power grid operation data according to the stability information data, the protection information data and the comprehensive defense data.
3. The real-time simulation based online dispatcher training system of claim 1, further comprising:
and the display system is connected with the DTS system and used for obtaining a simulation result from the DTS system, generating a key KPI according to the simulation result and displaying the key KPI.
4. An online dispatcher training method based on real-time simulation is characterized by comprising the following steps:
the MMS system obtains AC/DC power grid data from the EMS system and generates power grid operation data according to the AC/DC power grid data;
the RTDS simulation system obtains the power grid operation data from the MMS system, and generates a simulation result according to the power grid operation data;
the DTS system obtains the simulation result from the RTDS simulation system, carries out teaching plan making according to the simulation result and displays the simulation result and the teaching plan;
further comprising the steps of:
the MMS system respectively obtains the stability information data from the stability information system, obtains the protection information data from the protection information system and obtains the comprehensive defense data from the comprehensive defense system, and generates power grid operation data according to the stability information data, the protection information data and the comprehensive defense data.
5. The real-time simulation based on-line dispatcher training method of claim 4, wherein the step of generating simulation results from grid operation data comprises:
a simulation module of the RTDS simulation system obtains the power grid operation data from the MMS system, and performs initialization setting on the power grid operation data to generate power grid operation simulation data;
a direct current control protection module of the RTDS simulation system generates control protection simulation data for controlling and protecting the power grid operation simulation data according to the power grid operation simulation data;
and the simulation module generates a simulation result according to the power grid operation simulation data and the control protection simulation data.
6. The real-time simulation based on-line dispatcher training method of claim 4, further comprising the steps of:
the display system obtains the simulation result from the DTS system, and key KPI indexes are generated according to the simulation result;
and displaying the key KPI indexes in a visualization form, wherein the visualization form comprises a table, a curve, an animation, a two-dimensional contour form.
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| CN105388783A (en) * | 2015-12-11 | 2016-03-09 | 谭焕玲 | Electric power system operation and safety monitoring system |
| CN106057008B (en) * | 2016-06-28 | 2019-01-04 | 南京南瑞继保电气有限公司 | A kind of dispatcher training system system and building method based on real-time simulator |
| CN106057013A (en) * | 2016-07-28 | 2016-10-26 | 南方电网科学研究院有限责任公司 | Simulation training system and method based on real-time simulation kernel |
| CN106355516A (en) * | 2016-09-20 | 2017-01-25 | 南方电网科学研究院有限责任公司 | Power grid dispatching regulation and control system and regulation and control method based on real-time simulation |
| CN109523859B (en) * | 2018-12-19 | 2021-08-27 | 南京南瑞继保电气有限公司 | Track traffic comprehensive monitoring hybrid training simulation system and method |
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Effective date of registration: 20210603 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Address before: 13-21 / F, West Tower, Yuedian building, No.6 and 8 shuijungang, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong 510000 Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID |