为实现电力系统数字仿真平台全面、快速、经济地考核配电网接地故障处置算法,提出了一种10 kV配电网单相接地故障仿真建模方法,能够实现系统电容电流设计及校验、中性点接地方式切换控制、Z形接地变压器建模及参数校核。基于该建模方法...为实现电力系统数字仿真平台全面、快速、经济地考核配电网接地故障处置算法,提出了一种10 kV配电网单相接地故障仿真建模方法,能够实现系统电容电流设计及校验、中性点接地方式切换控制、Z形接地变压器建模及参数校核。基于该建模方法,在实时数字仿真系统(Real Time Digital Simulation System,RTDS)完成建模,并接入小电流接地选线装置进行试验验证。结果表明,所搭建的配电网仿真模型的关键参数满足设计预期,小电流接地选线装置选线正确。展开更多
随着分布式新能源接入配网以及多端柔性直流输电技术的发展,多端柔性直流配电网的应用前景广阔。研究一种适用于直流配电网的快速平稳启动控制策略,并基于实时数字仿真平台(Real Time Digital Simulation, RTDS)建立了四端"手拉手&...随着分布式新能源接入配网以及多端柔性直流输电技术的发展,多端柔性直流配电网的应用前景广阔。研究一种适用于直流配电网的快速平稳启动控制策略,并基于实时数字仿真平台(Real Time Digital Simulation, RTDS)建立了四端"手拉手"的直流配电网模型并进行时域仿真,仿真结果表明此控制策略能有效地抑制启动过程中大电流,实现多端直流配电网快速平稳有序启动。展开更多
First, the paper analyzes the advantages and disadvantages of all kinds of reactive power compensation technology, and then proposes a principle and integrated control strategy of the composite operation of TSC and SV...First, the paper analyzes the advantages and disadvantages of all kinds of reactive power compensation technology, and then proposes a principle and integrated control strategy of the composite operation of TSC and SVG, also the paper designs and develops the main controller of Network based composite power quality regulation device, based on RTDS, the real-time digital simulation model of The Device is established, and finally the prototype of the device is developed with the function of filter and split-phase compensation. The main controller determines the cooperative operation of both TSC and SVG, and the switching strategy of TSC. The simulation result in RTDS can verify the precision of the measure system and the validity of the control logic, the prototype has finished the type test according to the national standard.展开更多
文摘为实现电力系统数字仿真平台全面、快速、经济地考核配电网接地故障处置算法,提出了一种10 kV配电网单相接地故障仿真建模方法,能够实现系统电容电流设计及校验、中性点接地方式切换控制、Z形接地变压器建模及参数校核。基于该建模方法,在实时数字仿真系统(Real Time Digital Simulation System,RTDS)完成建模,并接入小电流接地选线装置进行试验验证。结果表明,所搭建的配电网仿真模型的关键参数满足设计预期,小电流接地选线装置选线正确。
文摘随着分布式新能源接入配网以及多端柔性直流输电技术的发展,多端柔性直流配电网的应用前景广阔。研究一种适用于直流配电网的快速平稳启动控制策略,并基于实时数字仿真平台(Real Time Digital Simulation, RTDS)建立了四端"手拉手"的直流配电网模型并进行时域仿真,仿真结果表明此控制策略能有效地抑制启动过程中大电流,实现多端直流配电网快速平稳有序启动。
文摘First, the paper analyzes the advantages and disadvantages of all kinds of reactive power compensation technology, and then proposes a principle and integrated control strategy of the composite operation of TSC and SVG, also the paper designs and develops the main controller of Network based composite power quality regulation device, based on RTDS, the real-time digital simulation model of The Device is established, and finally the prototype of the device is developed with the function of filter and split-phase compensation. The main controller determines the cooperative operation of both TSC and SVG, and the switching strategy of TSC. The simulation result in RTDS can verify the precision of the measure system and the validity of the control logic, the prototype has finished the type test according to the national standard.
