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首页> 外文会议>Transmission amp; Distribution Conference amp; Exposition: Asia and Pacific, 2009 >Control strategy of on-load tap-changer based on digital substation
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Control strategy of on-load tap-changer based on digital substation

机译：基于数字变电站的有载分接开关控制策略

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摘要

Voltage stability is one of the aspects of the power system stability. Since regulating transformers are more and more used in modern power system, tap change has often been considered as a principal mechanism that may lead to voltage collapse, but tap change can also rescue a would-be collapse system by extending the power transfer limit. Using time domain medium-and-long term voltage stability simulation program, the influence of the action of on-load tap-changer (OLTC) on voltage stability is analyzed. The development of its high-speed communication network in real-time system and the implementation of the IEC61850 standard have made the construction of digital substations possible. Based on digital substation system, the strategies of OLTC control is given which can improve the power system stability.
机译：电压稳定性是电力系统稳定性的方面之一。由于在现代电力系统中越来越多地使用调节变压器，因此抽头变换通常被认为是可能导致电压崩溃的主要机制，但是抽头变换也可以通过扩展功率传输极限来挽救可能的崩溃系统。利用时域中长期电压稳定性仿真程序，分析了有载分接开关（OLTC）的动作对电压稳定性的影响。实时系统中高速通信网络的发展以及IEC61850标准的实施使数字变电​​站的建设成为可能。在数字化变电站系统的基础上，提出了OLTC控制策略，可以提高电力系统的稳定性。

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