CN109240124A - A kind of electric power stability control strategy analogue system - Google Patents

A kind of electric power stability control strategy analogue system Download PDF

Info

Publication number
CN109240124A
CN109240124A CN201811286061.3A CN201811286061A CN109240124A CN 109240124 A CN109240124 A CN 109240124A CN 201811286061 A CN201811286061 A CN 201811286061A CN 109240124 A CN109240124 A CN 109240124A
Authority
CN
China
Prior art keywords
control strategy
stability control
emulation platform
platform
modelings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811286061.3A
Other languages
Chinese (zh)
Inventor
梁钰
刘红岩
林道鸿
张小店
毛李帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Hainan Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Hainan Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Hainan Power Grid Co Ltd filed Critical Electric Power Research Institute of Hainan Power Grid Co Ltd
Priority to CN201811286061.3A priority Critical patent/CN109240124A/en
Publication of CN109240124A publication Critical patent/CN109240124A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B17/00Systems involving the use of models or simulators of said systems
    • G05B17/02Systems involving the use of models or simulators of said systems electric

Abstract

The present invention provides a kind of electric power stability control strategy analogue system, including an emulation platform, two modelings emulation platform, real-time data base, stability control strategy database, emulation platform is using electromechanics-electromagnetic transient hybrid simulation platform construction operation, the two modelings emulation platform is using the building operation of graphical simulation support system, emulation platform and two modelings emulation platform are controlled by database realizing data exchange and mutually instruction, stability control strategy is stored in the stability control strategy database, the two modelings emulation platform is connected with stability control strategy data field signal.The present invention is able to achieve the in-circuit emulation to power grid primary system and electrical secondary system, obtains the optimal stability control strategy of electric system, analyzes weak link in power grid, proposes suggestions on Optimization and measure.

Description

A kind of electric power stability control strategy analogue system
Technical field
The present invention relates to electric analog technical field more particularly to a kind of electric power stability control strategy analogue systems.
Background technique
With the raising that safe stability of power system and power supply reliability require, power system security stabilizing control system (hereinafter referred to as " stabilized control system ") is widely used in each power grid in the whole nation, and becomes indispensable important of power grid day-to-day operation Component part.Power system security stabilizing control system is in large scale, device is large number of, and control strategy is complicated and changeable, it is necessary to Dynamic simulation test is carried out by RTDS pilot system, to ensure system reliability of operation.
The RTDS emulation testing of traditional stabilized control system is almost the same with scene by building mostly in laboratory integrated test Stabilized control system, directly acquire RTDS pilot system output quantity, and according to Off-line control policy action feed back to RTDS test System, to achieve the purpose that examine stabilized control system control strategy and reliability and validity.However, by practical application, surely It is huge to control system scale, wiring is complicated, in laboratory environments can only major part to stabilized control system or main policies carry out Dynamic simulation test, can not completely true simulation scene stabilized control system action behavior, and build steady control system in laboratory When system carries out RTDS emulation testing, need to carry out complicated wiring and configuration, the efficiency of l-G simulation test is lower.Therefore, it establishes and closes It is real as stabilized control system test to simulate electric power stability control strategy in electric power primary system emulation platform and electrical secondary system emulation platform Test the research emphasis of technology.
Summary of the invention
The purpose of the present invention is to provide a kind of electric power stability control strategy analogue systems, to solve to propose in above-mentioned background technique The problem of.
The present invention is achieved by the following technical solutions: a kind of electric power stability control strategy analogue system, including once emulates Platform, two modelings emulation platform, real-time data base, stability control strategy database, an emulation platform use electromechanics-electromagnetism The operation of transient hybrid simulation platform construction, the two modelings emulation platform are run using the building of graphical simulation support system, Emulation platform and two modelings emulation platform are controlled by database realizing data exchange and mutually instruction, described Stability control strategy is stored in stability control strategy database, the two modelings emulation platform is connected with stability control strategy data field signal.
Preferably, the electromechanics-electromagnetic transient hybrid simulation platform is made of force device model, the force device mould Type includes generator, exciter and excitation regulation device, governor, motor, transformer, load, breaker, power transmission line, electricity Anti- device, string complement part, the electromechanics-electromagnetic transient hybrid simulation platform can be constructed not using different force devices as needed With electric power primary system, the electromechanics-electromagnetic transient hybrid simulation platform it is exportable with real system actually identical voltage, Current waveform or other electric parameters.
Preferably, the two modelings emulation platform constructs corresponding Power Secondary using graphical simulation support system and sets Standby component models, the two modelings emulation platform include data sampling submodule, protection operation submodule, logic judgment submodule Block, the secondary current instantaneous voltage that the data-acquisition submodule is used to export an emulation platform samples, and sentences It is disconnected whether starting protection operation submodule;The protection operation submodule is for inputting the second power equipment component models Definite value is protected, and protection definite value is compared with the secondary current voltage value;The logic judgment submodule is according to comparing As a result, the fast search stability control strategy in stability control strategy database, obtains optimum controling strategy.
Preferably, each force device model in the electromechanics-electromagnetic transient hybrid simulation platform can be built with secondary Second power equipment component models in mould emulation platform are associated.
Preferably, the protection definite value includes route protection definite value, tranformer protection definite value, bus protection definite value.
Preferably, the secondary current voltage value that the data-acquisition submodule is used to export an emulation platform is adopted When sample, sample frequency is not higher than 4000Hz.
Preferably, an emulation platform, two modelings emulation platform, the connection relationship between real-time data base are as follows: After emulation platform completes the simulation calculation of a step-length, write data into real-time data base, an emulation platform itself Enabling signal is sent into wait state, and to two modelings emulation platform, two modelings emulation platform receives the starting letter After number, data are obtained from real-time data base and pass sequentially through data sampling submodule, protection operation submodule, logic judgment Module is handled, and processing result is written in real-time data base.
Compared with prior art, what the present invention reached has the beneficial effect that:
A kind of electric power stability control strategy analogue system provided by the invention passes through electromechanics-electromagnetic transient hybrid simulation platform structure An emulation platform is built, two modelings emulation platform is constructed by graphical simulation support system, while constructing stability control strategy number According to library, the emulation to electric system primary equipment and secondary equipment in power system can be realized without hardware device, it can be according to existing The protection of field configuration and its principle of compositionality, the foundation of realization electric power digital model easily and fast, while can be according to steady control plan Slightly database, the correctness of stability control strategy is checked, analyze electric system in weak link, propose suggestions on Optimization and Measure.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred embodiment of the present invention, for For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings His attached drawing.
Fig. 1 is a kind of schematic diagram of electric power stability control strategy analogue system provided by the invention;
Fig. 2 is a kind of two modelings emulation platform schematic diagram of electric power stability control strategy analogue system provided by the invention.
Specific embodiment
In order to be best understood from the technology of the present invention content, be provided below specific embodiment, and in conjunction with attached drawing to the present invention do into The explanation of one step.
Referring to Fig. 1, a kind of electric power stability control strategy analogue system, including an emulation platform, two modelings emulation platform, reality When database, stability control strategy database, an emulation platform is using electromechanics-electromagnetic transient hybrid simulation platform construction fortune Row, the two modelings emulation platform using graphical simulation support system building operation, an emulation platform with it is secondary Modeling and simulation platform is controlled by database realizing data exchange and mutually instruction, is stored in the stability control strategy database Stability control strategy, the two modelings emulation platform are connected with stability control strategy data field signal.
Specifically, the electromechanics-electromagnetic transient hybrid simulation platform possesses force device model abundant, the electric power member Part model includes generator, exciter and excitation regulation device, governor, motor, transformer, load, breaker, transmission of electricity Line, reactor, string complement part, while electromechanics-electromagnetic transient hybrid simulation platform also has the calculation method of optimization, it is temporary in electromagnetism Under state simulation model, when emulating the system of certain node size, calculating speed be can achieve in real time;
This platform can simulate conversion hysteria failure in various types failure and multiple failure, including area, event outside the area Nei Zhuan of area Turn troubles inside the sample space etc. outside barrier, area;
This platform fault type can be arbitrarily arranged, including fault time, fault resistance etc., can simulate reclosing Movement and protection together in permanent fault phenomena such as, in failure process, fault resstance is alterable;
This platform has power of fixed frequency model, and external characteristics includes tidal currenttype (i.e. balance nodes, PV node, PQ Node), active power, reactive power, voltage magnitude and voltage-phase;
This platform has motor model, and can simulate the starting process of various capacity electric machines;
This platform has single-phase two-winding transformer, three-phase two-simulation transformer and three-phase three-winding transformer model (packet Include auto-transformer), transformer neutral point should include various earthing types;
This platform has two kinds of circuit models of lumped parameter and distribution parameter, also there is parallel lines on same tower double back not replace route Model, can be with the transient process of accurate simulation route;
This platform has the model of high-voltage shunt reactor;
This platform has voltage transformer and current transformer model, and voltage transformer has electromagnetic type and two kinds of condenser type Type;
This platform has an all kinds of passive element models: resistance, inductance, capacitor, series connection RL, parallel connection RL, the RC that connects, parallel connection RC, Connect RLC, parallel connection RLC, reactor, earthing reactor etc.;
System has all kinds of modeling of nonlinear components: saturable reactor, arrester and discharging gap etc.;Operator can root According to needing to construct different electric power primary systems using above-mentioned force device and computation model, and it is exportable real with real system The identical voltage in border, current waveform or other electric parameters, user can be by graphical interfaces to electric network composition and component parameters It modifies, and can neatly change system primary connection mode, to carry out complete analogue simulation to running situation.
The electrical secondary system part of electric system is a many kinds of and complicated system, is set comprising various It is standby, but study carefully its mechanism, nothing more than several classifications, in this way, one kind can be classified as principle identical secondary device, certainly with DDRTS Define control module and write one section of code to describe its general character, and its characteristic part is separated, with several control modules come Mark.Two second part can be modeled by the control module of graphical simulation system, wherein control mould includes each generic module abundant, benefit It, can be with these basic modules.Customized control variable system provides open platform, can be protected and be made by oneself according to various principles Adopted relay protective scheme.
The two modelings emulation platform is constructed using graphical simulation support system, and system that employs advanced models Principle is constructed, has the characteristics that good stability, high reliablity, code operational efficiency are high, while the platform also utilizes newest meter Calculation machine graph technology develops the powerful graphical function such as graphic plotting, graphical modeling and graphical commissioning test, system The compatibility with other analogue systems is also fully considered, for the identifiable text model of other analogue systems building, originally Text model can be automatically formed patterned model by system, or this paper model is added to existing graphical model In can also conveniently realize data connection with other systems.
The graphical simulation support system includes algorithms library and modeling area, and algorithm need to only be dragged to modeling area A module is generated, the input and output of each module are connected with connecting line, a new secondary model has just been built into, can build All controllers are (such as: field regulator and governor, variable-impedance component, voltage source, the electric current of generator in electric system at present Source etc.).The module includes more than 20 kinds of different mathematical function modules, more than ten kinds of different basic time modules, eight kinds of signals Generator, five kinds of logical functions, seven kinds of basic nonlinear function modules, three kinds of control functions and customized control variable.
Referring to fig. 2, two modelings emulation platform includes data sampling submodule, protection operation submodule, logic judgment Module, the secondary current instantaneous voltage that the data-acquisition submodule is used to export an emulation platform sample, and Judge whether starting protection operation submodule;The protection operation submodule is for inputting the second power equipment component models Protection definite value;
Protecting definite value includes route protection definite value, tranformer protection definite value, bus protection definite value, the protection definite value inputted The secondary current instantaneous voltage obtained with sampling is compared;The logic judgment submodule is surely being controlled according to comparison result Fast search stability control strategy in policy database obtains optimum controling strategy.
Specifically, electromechanics-the electro-magnetic transient need to be mixed when establishing an emulation platform and two modelings emulation platform The each force device model closed in emulation platform can be with the second power equipment component models in two modelings emulation platform It is associated, the incidence relation of a secondary device, Unified Device classification and mark are established, standardization name is carried out to various kinds of equipment, Using unified equipment encoding system, determines the unique ID or title of each equipment in a model, reach the consistent of whole network equipment Classification and unifying identifier realize being effectively matched for a secondary data model.
In one embodiment of the invention, the data-acquisition submodule is used for the secondary of an emulation platform output When Current Voltage value is sampled, sample frequency is not higher than 4000Hz.
Specifically, being write data into real-time data base, one after the simulation calculation of emulation platform one step-length of completion Secondary emulation platform itself enters wait state, and sends enabling signal, two modelings emulation platform to two modelings emulation platform After receiving the enabling signal, data are obtained from real-time data base and pass sequentially through data sampling submodule, protection operator Module, logic judgment submodule are handled, the fast search stability control strategy in stability control strategy database, obtain best steady control plan Slightly, and processing result is written in real-time data base.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.

Claims (7)

1. a kind of electric power stability control strategy analogue system, which is characterized in that including an emulation platform, two modelings emulation platform, Real-time data base, stability control strategy database, an emulation platform is using electromechanics-electromagnetic transient hybrid simulation platform construction fortune Row, the two modelings emulation platform using graphical simulation support system building operation, an emulation platform with it is secondary Modeling and simulation platform is controlled by database realizing data exchange and mutually instruction, is stored in the stability control strategy database Stability control strategy, the two modelings emulation platform are connected with stability control strategy data field signal.
2. a kind of electric power stability control strategy analogue system according to claim 1, which is characterized in that the electromechanics-electromagnetism is temporary State hybrid simulation platform is made of force device model, and the force device model includes generator, exciter and adjustment of field excitation Device, governor, motor, transformer, load, breaker, power transmission line, reactor, string complement part, the electromechanics-electromagnetism are temporary State hybrid simulation platform can construct different electric power primary systems, the electromechanical-electricity using different force devices as needed Magnetic transient hybrid simulation platform exportable actually identical voltage, current waveform or other electric parameters with real system.
3. a kind of electric power stability control strategy analogue system according to claim 2, which is characterized in that the two modelings emulation Platform constructs corresponding second power equipment component models, the two modelings emulation platform using graphical simulation support system Including data sampling submodule, protection operation submodule, logic judgment submodule, the data-acquisition submodule is used for primary The secondary current instantaneous voltage of emulation platform output is sampled, and judges whether starting protection operation submodule;The guarantor Operator module is shipped sth. under guard for inputting the protection definite values of the second power equipment component models, and will protection definite value with it is described secondary Current Voltage value is compared;The logic judgment submodule is according to comparison result, the fast search in stability control strategy database Stability control strategy obtains optimum controling strategy.
4. a kind of electric power stability control strategy analogue system according to claim 3, which is characterized in that the electromechanics-electromagnetism is temporary Each force device model in state hybrid simulation platform can be with the second power equipment element in two modelings emulation platform Model is associated.
5. a kind of electric power stability control strategy analogue system according to claim 3, which is characterized in that the protection definite value includes Route protection definite value, tranformer protection definite value, bus protection definite value.
6. a kind of electric power stability control strategy analogue system according to claim 3, which is characterized in that the data acquisition mould Block is for when sampling to the secondary current voltage value that an emulation platform exports, sample frequency to be not higher than 4000Hz.
7. a kind of electric power stability control strategy analogue system according to claim 1-6, which is characterized in that described primary Emulation platform, two modelings emulation platform, the connection relationship between real-time data base are as follows: one time emulation platform completes a step-length Simulation calculation after, write data into real-time data base, emulation platform itself enters wait state, and to two modelings Emulation platform sends enabling signal and obtains number from real-time data base after two modelings emulation platform receives the enabling signal According to and pass sequentially through data sampling submodule, protection operation submodule, logic judgment submodule are handled, and processing result It is written in real-time data base.
CN201811286061.3A 2018-10-31 2018-10-31 A kind of electric power stability control strategy analogue system Pending CN109240124A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811286061.3A CN109240124A (en) 2018-10-31 2018-10-31 A kind of electric power stability control strategy analogue system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811286061.3A CN109240124A (en) 2018-10-31 2018-10-31 A kind of electric power stability control strategy analogue system

Publications (1)

Publication Number Publication Date
CN109240124A true CN109240124A (en) 2019-01-18

Family

ID=65079921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811286061.3A Pending CN109240124A (en) 2018-10-31 2018-10-31 A kind of electric power stability control strategy analogue system

Country Status (1)

Country Link
CN (1) CN109240124A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110233477A (en) * 2019-05-29 2019-09-13 海南电网有限责任公司电力科学研究院 Steady control analogue system based on three lines of defence emulation
CN110426967A (en) * 2019-08-07 2019-11-08 威胜集团有限公司 Analog simulation method, device and the storage medium of household loads data
CN112464437A (en) * 2020-10-30 2021-03-09 海南电网有限责任公司电力科学研究院 Parameter identification method of electric power simulation model

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890735A (en) * 2012-07-09 2013-01-23 南京南瑞继保电气有限公司 Modeling method of strategy table and strategy table searching match of stable control device
CN103576562A (en) * 2013-11-07 2014-02-12 国家电网公司 Electric power system stability control strategy on-line simulation calibration method
CN104166399A (en) * 2014-09-05 2014-11-26 国家电网公司 Moving die simulation test system and method for intelligent substation protection device
CN105160119A (en) * 2015-09-16 2015-12-16 中国电力科学研究院 Policy file based secondary electric power equipment simulation modeling method
CN108241771A (en) * 2017-10-27 2018-07-03 国网江苏省电力公司技能培训中心 Secondary device modeling method based on electromagnetic transient simulation platform

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890735A (en) * 2012-07-09 2013-01-23 南京南瑞继保电气有限公司 Modeling method of strategy table and strategy table searching match of stable control device
CN103576562A (en) * 2013-11-07 2014-02-12 国家电网公司 Electric power system stability control strategy on-line simulation calibration method
CN104166399A (en) * 2014-09-05 2014-11-26 国家电网公司 Moving die simulation test system and method for intelligent substation protection device
CN105160119A (en) * 2015-09-16 2015-12-16 中国电力科学研究院 Policy file based secondary electric power equipment simulation modeling method
CN108241771A (en) * 2017-10-27 2018-07-03 国网江苏省电力公司技能培训中心 Secondary device modeling method based on electromagnetic transient simulation platform

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110233477A (en) * 2019-05-29 2019-09-13 海南电网有限责任公司电力科学研究院 Steady control analogue system based on three lines of defence emulation
CN110233477B (en) * 2019-05-29 2020-08-14 海南电网有限责任公司电力科学研究院 Stability control simulation system based on three-defense line simulation
CN110426967A (en) * 2019-08-07 2019-11-08 威胜集团有限公司 Analog simulation method, device and the storage medium of household loads data
CN110426967B (en) * 2019-08-07 2022-08-19 威胜集团有限公司 Analog simulation method, device and storage medium for household load data
CN112464437A (en) * 2020-10-30 2021-03-09 海南电网有限责任公司电力科学研究院 Parameter identification method of electric power simulation model

Similar Documents

Publication Publication Date Title
Guillaud et al. Applications of real-time simulation technologies in power and energy systems
CN109240124A (en) A kind of electric power stability control strategy analogue system
CN104122474B (en) A kind of intelligent distribution type feeder automation logic testing system
Azmy et al. Artificial neural network-based dynamic equivalents for distribution systems containing active sources
CN102930110B (en) Generate the method for PSCAD/EMTDC power system simulation model
CN103778230B (en) Online automatic generation method for black-start scheme
CN108241771A (en) Secondary device modeling method based on electromagnetic transient simulation platform
Gérin-Lajoie et al. Simulation of an extra large network in EMTP: From electromagnetic to electromechanical transients
CN109256970A (en) MMC-MTDC transmission system monopolar grounding fault current calculation method
Montana et al. Hardware and software integration as a realist SCADA environment to test protective relaying control
Tharani et al. MATLAB based Simulations model for three phases Power System Network
CN104578049B (en) A kind of transient power quality analysis system of electromechanical electromagnetic transient hybrid simulation
Etxeberria-Otadui et al. Generalized average modelling of FACTS for real time simulation in ARENE
CN203102283U (en) Wind power plant modeling simulation system based on real time digital simulator (RTDS)
CN103823143B (en) The emulation mode of substation equipment safety analysis after a kind of extra-high voltage increase-volume
Guay et al. New hydro-québec real-time simulation interface for HVDC commissioning studies
CN104135038A (en) Asymmetric fault analysis method for AC/DC compound system
CN204129734U (en) A kind of digital dynamic realtime emulation system
Tiwary et al. Mimicking on-line monitoring and security estimation of power system using ANN on RT lab
Rabby et al. Bifurcation analysis to identify voltage collapse in bangladesh power system
Le-Huy et al. Real-time simulation of large-scale AC system with offshore DC grid
CN108427821A (en) A kind of the numerical model analysis emulation mode and system of AC-DC hybrid power grid operation characteristic
Zhang et al. Systematic stability analysis, evaluation and testing process, and platform for grid-connected power electronic equipment
Buchholz et al. Advanced solutions for power system analysis-computer study and real-time simulation
Karagiannopoulos et al. Experimental verification of self-adapting data-driven controllers in active distribution grids

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190118