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    • 4. 发明专利
    • Reactive power compensator
    • 无功补偿器
    • JP2012123450A
    • 2012-06-28
    • JP2010271270
    • 2010-12-06
    • Mitsubishi Electric Corp三菱電機株式会社
    • MATSUDA AKIHIROKONO YOSHIYUKITAKEDA MASATOSHI
    • G05F1/70H02J3/18
    • H02J3/1828H02J3/1878Y02E40/12Y10T307/669
    • PROBLEM TO BE SOLVED: To provide a reactive power compensator capable of using a simple configuration to control multiple SVCs in a coordinated manner and of controlling output of a steady-state SVC to correspond to a voltage variation when a power system is disturbed, in the case where the SVCs are mutually arranged nearby.SOLUTION: An SVC 1 is connected to a bus line 7 and is controlled by an SVC control part 4. A variable voltage generation part 41 comprises a voltage reference circuit 141 for outputting a voltage reference value. An SVC 2 is connected to a bus line 14 and is controlled by an SVC control part 3. A variable voltage generation part 31 comprises a primary delay control block 131 with a limiter for generating a comparison voltage that keeps pace with a predetermined delay characteristic and is limited within a predetermined range. An impedance value XS1 of slope reactance 42 of the SVC 1 is set at a level lower than an impedance value XS2 of slope reactance 32 of the SVC 2.
    • 要解决的问题:提供能够使用简单配置以协调的方式控制多个SVC的无功功率补偿器,并且在电力系统被干扰时控制稳态SVC的输出以对应于电压变化 在SVC相邻配置的情况下。 解决方案:SVC 1连接到总线7并由SVC控制部分4控制。可变电压产生部分41包括用于输出电压参考值的电压参考电路141。 SVC 2连接到总线14并由SVC控制部分3控制。可变电压产生部分31包括具有限制器的主延迟控制块131,用于产生与预定延迟特性保持同步的比较电压, 被限制在预定范围内。 SVC 1的斜坡电抗42的阻抗值XS1被设定为低于SVC 2的斜率电抗32的阻抗值XS2的水平。(C)2012,JPO&INPIT