CN103605558B - The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model - Google Patents

The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model Download PDF

Info

Publication number
CN103605558B
CN103605558B CN201310535764.6A CN201310535764A CN103605558B CN 103605558 B CN103605558 B CN 103605558B CN 201310535764 A CN201310535764 A CN 201310535764A CN 103605558 B CN103605558 B CN 103605558B
Authority
CN
China
Prior art keywords
rtds
electrical network
power plant
power
real time
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.)
Active
Application number
CN201310535764.6A
Other languages
Chinese (zh)
Other versions
CN103605558A (en
Inventor
阚伟民
廖宏楷
肖小清
陈世和
陈迅
陈晓科
冯永新
温志勇
金格
罗嘉
胡玉岚
谭金
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.)
China Southern Power Grid Power Technology Co Ltd
Original Assignee
Electric Power Research Institute of Guangdong 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 Guangdong Power Grid Co Ltd filed Critical Electric Power Research Institute of Guangdong Power Grid Co Ltd
Priority to CN201310535764.6A priority Critical patent/CN103605558B/en
Publication of CN103605558A publication Critical patent/CN103605558A/en
Application granted granted Critical
Publication of CN103605558B publication Critical patent/CN103605558B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing And Monitoring For Control Systems (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

The means of communication between power plant and electrical network in a kind of power system machine net Coordination Simulation Model: S1 power plant dynamical system emulator is steam turbine output mechanical power PMIt is sent to electrical network Real Time Digital Simulator RTDS by communication interface；S2 electrical network Real Time Digital Simulator RTDS calculates generator amature rotational speed omega, electromotor electromotive power output PEAnd generator end electricity U；Step S2 gained is sent to power plant's dynamical system emulator by communication interface by S3 electrical network Real Time Digital Simulator RTDS.The present invention can realize the machine net associative simulation of thermal power plant's dynamical system and network system; to set up machine net to coordinate lab platform; and the characteristic of power plant and electrical network is studied, analyze the power plant such as speed regulator and control influencing each other between equipment and the electrical control gear such as field regulator, relay protection.

Description

The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model
Technical field
The present invention relates to the communication means between a kind of phantom, especially relate in a kind of power system machine net Coordination Simulation Model The means of communication between power plant and electrical network.It is exactly specifically power plant's dynamical system emulator and electrical network Real Time Digital Simulator RTDS Between data interactive method.
Background technology
In the evolution of power system, electric system simulation plays extremely important effect always.Utilize the emulation can be right The feasibility of Future Power System project is studied, it was predicted that performance that system is following and bottleneck that may be present.Emulate same energy The failure condition actually occurred in enough electrical networks of analysis effectively, and formulate correct protection and restriction.Utilize the emulation can also Electrical network is optimized, is effectively improved economy and reliability that system is run.
Electric system simulation is to set up corresponding model according to raw power system, and calculates and test, and research power system exists Dynamic behaviour in special time and operation characteristic.Electric system simulation can be put the operation of complication system to enter in the lab OK, there is the advantages such as good controllability, nothing destructiveness and economy.Real Time Digital Simulator RTDS is temporary as electromagnetism for electrical network The real-time analytical tool of state, simulation accuracy is high, and speed is fast, can accomplish the emulation that becomes more meticulous.For the electric power containing high-power high-voltage The complex network of electronic device, electrical network Real Time Digital Simulator RTDS is strong emulation tool.
Due to the shortage of current power plants and grid coordination emulation platform, electrical network Real Time Digital Simulator RTDS analogue system is caused to move with power plant Force system emulator independently works, it is impossible to completes communication and then realizes factory's net associative simulation, lacks the real-time of data and imitates Genuine verity.
Summary of the invention
The technical problem to be solved, it is simply that carry in a kind of power system machine net Coordination Simulation Model of arch between power plant and electrical network The means of communication, it is achieved the data interaction between power plant's dynamical system emulator and electrical network Real Time Digital Simulator RTDS, and number According to real-time and the verity of emulation be all effectively ensured, it is achieved factory's net associative simulation.
Solving above-mentioned technical problem, the technical solution adopted in the present invention is:
The means of communication between power plant and electrical network in a kind of power system machine net Coordination Simulation Model, is characterized in that: include following step Rapid:
S1 power plant dynamical system emulator is steam turbine output mechanical power PMIt is sent to electrical network real-time digital by communication interface imitate True device RTDS；
S2 electrical network Real Time Digital Simulator RTDS calculates electromotor turn according to formula (1), formula (2) and formula (3) Rotor speed ω, electromotor electromotive power output PEAnd generator end electricity U；
ω = d θ d t - - - ( 1 )
P E = P M - T J ω · d ω d t - - - ( 2 )
U = P E I - - - ( 3 )
In formula, TJFor the inertia time constant of generating set, θ is the mechanical angle displacement of rotor, and t is the time, and I is generating electromechanics Stream；
Step S2 gained is sent to power plant's dynamical system by communication interface and emulates by S3 electrical network Real Time Digital Simulator RTDS Device；
Communication interface between described electrical network Real Time Digital Simulator RTDS and power plant's dynamical system emulator, especially by mould The GTNET card of number conversion or digital-to-analogue conversion A/D-D/A card or RTDS realizes, RTDS analogue system and the number of external device Carried out by RTDS/GTNET card according to mutual, use DNP3.0 (Distributed Network Protocol) stipulations；Original Build DNP model on the basis of RTDS model, and be that RTDS-DNP point mapped file bound by each DNP model.
Realize the communications and data between thermal power plant's dynamical system and RTDS digital simulation device by said method to exchange, from And realize factory's net associative simulation and analyze power plant's control equipment such as speed regulator and the electrical control gear such as field regulator, relay protection Between influence each other.
Compared with prior art, the invention has the beneficial effects as follows: both are joined together by the present invention by means of communication, and then Carry out system emulation analysis and calculating, it is achieved factory's net associative simulation.This can be the Accurate Model offer number of thermal power plant's dynamical system According to and practical significance can be had more with digital simulation device RTDS associative simulation.The present invention solves the net associating of current factory A communication difficult problem for emulation, is allowed to be applied to factory's net associative simulation, and can overcome can only individually simulating grid and the ruuning situation of power plant A difficult problem, electrical network and the emulation of power plant operation conditions have been better achieved, there is higher reliability and verity.
Accompanying drawing explanation
Fig. 1 is the interface diagram between electrical network Real Time Digital Simulator RTDS and power plant's dynamical system emulator；
Fig. 2 is synchronous generator interface diagram in electrical network Real Time Digital Simulator RTDS；
Fig. 3 is the GTNET-DNP model for communication built on the basis of electrical network Real Time Digital Simulator RTDS model；
Fig. 4 is generator side machine torque T in embodimentMChange curve；
Fig. 5 is the change curve of generator amature rotational speed omega in embodiment；
Fig. 6 is the change curve of three-phase current in embodiment.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
Seeing Fig. 1, the means of communication between power plant and electrical network in the power system machine net Coordination Simulation Model of the present invention, including following Step:
S1 power plant dynamical system emulator is steam turbine output mechanical power PMIt is sent to electrical network real-time digital by communication interface imitate True device RTDS；
S2 electrical network Real Time Digital Simulator RTDS calculates electromotor turn according to formula (1), formula (2) and formula (3) Rotor speed ω, electromotor electromotive power output PEAnd generator end electricity U；
ω = d θ d t - - - ( 1 )
P E = P M - T J ω · d ω d t - - - ( 2 )
U = P E I - - - ( 3 )
In formula, TJFor the inertia time constant of generating set, θ is the mechanical angle displacement of rotor, and t is the time, and I is generating electromechanics Stream；
Step S2 gained is sent to power plant's dynamical system by communication interface and emulates by S3 electrical network Real Time Digital Simulator RTDS Device；
Communication interface between described electrical network Real Time Digital Simulator RTDS and power plant's dynamical system emulator, especially by mould The GTNET card of number conversion or digital-to-analogue conversion A/D-D/A card or RTDS realizes, RTDS analogue system and the number of external device Carried out by RTDS/GTNET card according to mutual, use DNP3.0 (Distributed Network Protocol) stipulations.
Seeing Fig. 3, for realizing the mutual of RTDS and software platform place work station and communicating, needs are at original RTDS model On the basis of build DNP model, and be that RTDS-DNP point mapped file bound by each DNP model.
Electromotor and steam turbine in power system are linked together by rotor, and it is defeated that power plant's dynamical system emulator calculates steam turbine Go out mechanical output PM, the generator model that is sent in RTDS, RTDS calculates generator amature rotational speed omega, electromotor Electromotive power output PEAfter giving power plant's dynamical system emulator.If Fig. 2 is the generator interface model of RTDS, it is used for Receive mechanical output P that thermal power plant's dynamical system providesM, and can be to the electromagnetic power P of dynamical system side reaction generatorE And the rotational speed omega of electromotor.
RTDS analogue system is carried out by RTDS/GTNET card with the data interaction of external device, uses DNP3.0 rule About.For realizing the mutual of RTDS and software platform place work station, on the basis of original RTDS model, build DNP mould Type, and be that RTDS-DNP point mapped file bound by each DNP model.The GTNET card of RTDS is exclusively for test number The smart machines such as word protection and design, support DNP3.0 stipulations, GTNET card can simultaneously with 5 intelligence in outside Device communicates.
Coordinate lab platform based on unified machine net can the characteristic of power plant and electrical network be studied simultaneously, analyze speed regulator etc. Power plant controls influencing each other between equipment and the electrical control gear such as field regulator, relay protection.
Below for utilizing the simulation example of above-mentioned thermal power plant and electrical network Real Time Digital Simulator interface, example is to one machine infinity bus system Carry out the emulation of transmission line of electricity generation singlephase earth fault.
Mechanical output P of the steam turbine output of thermal power plantMImitated with power plant's dynamical system by electrical network Real Time Digital Simulator RTDS Interface between true device is sent to electrical network Real Time Digital Simulator RTDS generator module, with machine torque TMForm effect In generator amature, rotor speed ω of electrical network Real Time Digital Simulator RTDS side electromotor is imitated by electrical network real-time digital simultaneously Interface between true device RTDS and power plant's dynamical system emulator is sent to thermal power plant's dynamical system side, enters for dynamical system side Row speed regulating control, maintains turbine rotor rotating speed to keep constant.
Simulation result is as shown in Fig. 4, Fig. 5 and Fig. 6.Wherein Fig. 4 is generator side machine torque TMChange curve；Figure 5 is the change curve of generator amature rotational speed omega；Fig. 6 is the change curve of transmission line malfunction side three-phase current.
From simulation result, machine net coordinate analogue system can stable operation, simulation result can embody practical power systems Operation conditions, thermal power plant and electrical network Real Time Digital Simulator interface operational excellence, it is possible to preferably realize thermal power plant real-time with electrical network The associative simulation of digital simulator RTDS.

Claims (1)

1. means of communication between power plant and electrical network in power system machine net Coordination Simulation Model, is characterized in that: include following Step:
S1 power plant dynamical system emulator is steam turbine output mechanical power PMIt is sent to electrical network real-time digital by communication interface imitate True device RTDS；
S2 electrical network Real Time Digital Simulator RTDS calculates generator amature rotating speed according to formula (1), (2) and (3) ω, electromotor electromotive power output PEAnd generator end electricity U；
ω = d θ d t - - - ( 1 )
P E = P M - T J ω · d ω d t - - - ( 2 )
U = P E I - - - ( 3 )
In formula, TJFor the inertia time constant of generating set, θ is the mechanical angle displacement of rotor, and t is the time, and I is generating electromechanics Stream；
Step S2 gained is sent to power plant's dynamical system by communication interface and emulates by S3 electrical network Real Time Digital Simulator RTDS Device；
Communication interface between described electrical network Real Time Digital Simulator RTDS and power plant's dynamical system emulator, is turned by modulus Change or the GTNET card of digital-to-analogue conversion A/D-D/A card or RTDS realizes；The data of RTDS analogue system and external device are handed over Carried out by RTDS/GTNET card mutually, use DNP3.0 stipulations；DNP mould is built on the basis of original RTDS model Type, and be that RTDS-DNP point mapped file bound by each DNP model.
CN201310535764.6A 2013-11-01 2013-11-01 The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model Active CN103605558B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310535764.6A CN103605558B (en) 2013-11-01 2013-11-01 The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310535764.6A CN103605558B (en) 2013-11-01 2013-11-01 The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model

Publications (2)

Publication Number Publication Date
CN103605558A CN103605558A (en) 2014-02-26
CN103605558B true CN103605558B (en) 2016-08-24

Family

ID=50123787

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310535764.6A Active CN103605558B (en) 2013-11-01 2013-11-01 The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model

Country Status (1)

Country Link
CN (1) CN103605558B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809465B (en) * 2014-02-27 2016-04-20 华北电力大学 The communication interface of a kind of thermoelectricity and Hydropower Unit replicating machine and RTDS
CN104049543A (en) * 2014-06-26 2014-09-17 南方电网科学研究院有限责任公司 Real-time simulation platform for researching direct-current isolated island operation machine-network coordination characteristic
CN104572247A (en) * 2014-12-10 2015-04-29 南方电网科学研究院有限责任公司 Hybrid real-time simulation method based on RTDS (real time digital simulator)
CN105259781B (en) * 2015-09-25 2018-09-11 上海交通大学 Electric system hybrid simulation system for different type real-timedigital simulation device
CN109507512A (en) * 2018-12-21 2019-03-22 南方电网科学研究院有限责任公司 A kind of relay protection data transmission system and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101826128A (en) * 2010-04-09 2010-09-08 南方电网技术研究中心 Electromagnetic transient and electromechanical transient hybrid simulation method based on real time digital simulator
CN102968519A (en) * 2012-10-15 2013-03-13 广东电网公司电力科学研究院 Model of electronic current transformer with hollow coil in electrical system and modeling method thereof
CN103235223A (en) * 2013-04-24 2013-08-07 国电联合动力技术有限公司 Micro grid experimental testing platform on basis of RTDS (Real Time Digital System)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120331459A1 (en) * 2010-02-26 2012-12-27 Master Dhiren J Electronic Control System for a Machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101826128A (en) * 2010-04-09 2010-09-08 南方电网技术研究中心 Electromagnetic transient and electromechanical transient hybrid simulation method based on real time digital simulator
CN102968519A (en) * 2012-10-15 2013-03-13 广东电网公司电力科学研究院 Model of electronic current transformer with hollow coil in electrical system and modeling method thereof
CN103235223A (en) * 2013-04-24 2013-08-07 国电联合动力技术有限公司 Micro grid experimental testing platform on basis of RTDS (Real Time Digital System)

Also Published As

Publication number Publication date
CN103605558A (en) 2014-02-26

Similar Documents

Publication Publication Date Title
CN103605558B (en) The means of communication between power plant and electrical network in power system machine net Coordination Simulation Model
CN104330980B (en) A kind of micro-capacitance sensor emulation test system based on RT LAB
CN105550115B (en) Wind electric converter controller test approach based on dSPACE
CN103970128A (en) On-line real-time simulation testing system of wind generating set controller
CN103439967A (en) Closed loop test system of flexible direct current transmission control protection system
CN103020385A (en) RTDS-based 500-Kv major network modeling simulation systems for power network
CN103678900B (en) A kind of network decoupling calculation method for regional distribution network real-time simulation
CN113741218A (en) Comprehensive real-time simulation platform for large wind turbine generator
Meng et al. Design and implementation of hardware‐in‐the‐loop simulation system for testing control and operation of DC microgrid with multiple distributed generation units
Jalili-Marandi et al. A real-time dynamic simulation tool for transmission and distribution power systems
CN105404720A (en) Hardware-in-loop simulation based wind power unit modeling method
Pak et al. Real-time simulation of a wind energy system based on the doubly-fed induction generator
Gonzalez-Longatt et al. Solution of ac/dc power flow on a multiterminal HVDC system: Illustrative case supergrid phase I
CN101533428A (en) Electro-magnetic transient off-line non-real time parallel simulation system and simulation method
Martinez et al. Tools for analysis and design of distributed resources—Part IV: Future trends
CN107544456A (en) A kind of wind power control system function and information security test system and device based on RTDS
CN105527858A (en) Hardware-in-the-loop simulation system for automatic generation control in smart grid
Li et al. Digital real-time co-simulation platform of refined wind energy conversion system
CN205721145U (en) A kind of dynamic real-time simulator test model device of dual feedback wind power generation system
Parizad et al. Real-time simulator and offline/online closed-loop test bed for power system modeling and development
Bani-Ahmed et al. Development of real-time hardware-in-the-loop platform for complex microgrids
CN103810915B (en) Regulation and control integrative simulation method and system
Østergaard et al. Real time Intelligent Control Laboratory (RT-ICL) of PowerLabDK for smart grid technology development
Abdelmalak et al. PSS/E to RSCAD model conversion for large power grids: Challenges and solutions
CN102818953B (en) Wind condition simulation system and method for realizing wind condition simulation system on wind turbine generator test bed

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8

Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD.

Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8

Patentee before: Electrical Power Research Institute of Guangdong Power Grid Corporation

CP01 Change in the name or title of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20171114

Address after: 510655, No. fifth, No. 146-150, Whampoa Avenue, Tianhe District, Guangdong, Guangzhou

Patentee after: Guangdong Electric Power Research Institute of energy technology limited liability company

Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8

Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD.

TR01 Transfer of patent right
CP03 Change of name, title or address

Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000

Patentee after: China Southern Power Grid Power Technology Co.,Ltd.

Address before: 510655 5th floor, no.146-150, Huangpu Avenue Middle Road, Tianhe District, Guangzhou City, Guangdong Province

Patentee before: GUANGDONG ELECTRIC POWER SCIENCE RESEARCH INSTITUTE ENERGY TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address