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基于RTDS的源網(wǎng)協(xié)調(diào)聯(lián)合仿真接口模型研究

發(fā)布時(shí)間:2018-10-05 18:57
【摘要】:隨著機(jī)組容量的不斷增大,考慮機(jī)組動(dòng)態(tài)特性的AGC控制過(guò)程一直沒(méi)有適合在實(shí)驗(yàn)室中進(jìn)行研究的實(shí)驗(yàn)平臺(tái);新能源尤其是風(fēng)電大規(guī)模接入電網(wǎng)帶來(lái)了復(fù)雜的電力系統(tǒng)穩(wěn)定性問(wèn)題,然而目前也沒(méi)有一個(gè)合適的動(dòng)力系統(tǒng)仿真工具能夠?qū)Υ笠?guī)模風(fēng)電并網(wǎng)的功率平抑過(guò)程展開(kāi)研究。因此,本文基于RTDS平臺(tái),提出了源網(wǎng)聯(lián)合仿真控制系統(tǒng)的設(shè)計(jì)方法,并對(duì)系統(tǒng)中的接口技術(shù)進(jìn)行了詳細(xì)研究。 源網(wǎng)聯(lián)合仿真控制系統(tǒng)主要由三大模塊:電源仿真模塊、電網(wǎng)仿真模塊、調(diào)度系統(tǒng)仿真模塊組成,本文詳細(xì)介紹了各模塊的功能、各模塊間的關(guān)鍵接口技術(shù)以及實(shí)現(xiàn)方法。 電源接口模塊通過(guò)RTDS的光纖通訊接口卡GTFPGA實(shí)現(xiàn)與RTDS電網(wǎng)模塊的數(shù)據(jù)交互。火電、水電仿真機(jī)通過(guò)在RTDS中搭建的接口控制模塊接入電網(wǎng)仿真模塊,接口控制模塊接收來(lái)自詳細(xì)仿真機(jī)的機(jī)械功率參考值調(diào)節(jié)發(fā)電機(jī)的實(shí)際出力;非詳細(xì)仿真發(fā)電機(jī)組通過(guò)在RTDS上搭建的功頻調(diào)節(jié)控制模塊接收調(diào)度指令調(diào)節(jié)發(fā)電機(jī)的實(shí)際出力。風(fēng)電場(chǎng)詳細(xì)仿真機(jī)通過(guò)風(fēng)電場(chǎng)自定義接口模塊接入RTDS電網(wǎng)仿真模塊,風(fēng)電場(chǎng)自定義接口模塊為基于RTDS/CBuilder平臺(tái)開(kāi)發(fā)的一次系統(tǒng)模型,可以通過(guò)接收風(fēng)電場(chǎng)詳細(xì)仿真機(jī)的功率指令調(diào)節(jié)風(fēng)電場(chǎng)的實(shí)際出力。RTDS電網(wǎng)仿真模塊通過(guò)以太網(wǎng)通訊接口GTNET-DNP以及串行器模塊,配置點(diǎn)映射文件,實(shí)現(xiàn)與調(diào)度系統(tǒng)仿真模塊的數(shù)據(jù)交互。電源仿真模塊以RTDS為中介實(shí)現(xiàn)與調(diào)度系統(tǒng)仿真模塊間的數(shù)據(jù)交互。 本文提出了源網(wǎng)聯(lián)合仿真控制系統(tǒng)的實(shí)現(xiàn)方法,解決實(shí)現(xiàn)了系統(tǒng)三大模塊間的接口技術(shù),應(yīng)用蒙西電網(wǎng)的實(shí)際數(shù)據(jù),證明了電源、電網(wǎng)、調(diào)度系統(tǒng)間接口方法的正確性及可行性。模擬實(shí)際電網(wǎng)中風(fēng)電場(chǎng)的運(yùn)行狀況,驗(yàn)證了源網(wǎng)聯(lián)合仿真控制系統(tǒng)的整體功能。
[Abstract]:With the increasing of the unit capacity, the AGC control process considering the dynamic characteristics of the unit has no experimental platform suitable for research in the laboratory. New energy especially large-scale wind power grid brings complex power system stability problems. However there is no suitable power system simulation tool to study the power stabilization process of large-scale wind power grid. Therefore, based on the RTDS platform, the design method of the joint simulation control system based on the source network is proposed, and the interface technology of the system is studied in detail. The system consists of three modules: power simulation module, power network simulation module and dispatching system simulation module. This paper introduces the function of each module, the key interface technology between each module and the implementation method. The power supply interface module realizes the data interaction with the RTDS power network module through the RTDS fiber communication interface card GTFPGA. The interface control module of thermal power and hydropower simulator is connected to the power network simulation module through the interface control module built in RTDS. The interface control module receives the mechanical power reference value from the detailed simulator to adjust the actual output of the generator. The power and frequency regulation control module built on RTDS is used to control the actual output of the generator by receiving the dispatching instruction. Wind farm detailed simulation machine is connected to RTDS power network simulation module through wind farm custom interface module. Wind farm custom interface module is a system model based on RTDS/CBuilder platform. The actual output of wind farm can be adjusted by receiving the power instruction of the detailed simulator of wind farm. RTDS power network simulation module can configure the mapping file by Ethernet communication interface GTNET-DNP and serial device module. Realize the data interaction with the simulation module of the scheduling system. The power simulation module uses RTDS as the intermediary to realize the data interaction between the power supply simulation module and the scheduling system simulation module. In this paper, the realization method of the joint simulation control system of the source network is put forward, and the interface technology between the three modules of the system is solved. The actual data of the Mengxi power grid is used to prove the power supply and the power network. The correctness and feasibility of the interface method between dispatching systems. The operation of wind farm in real power network is simulated, and the whole function of the combined simulation control system of source network is verified.
【學(xué)位授予單位】:華北電力大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類(lèi)號(hào)】:TM743

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