220 kV变电站投切并联电容器组精准合闸策略

Power Capacitor & Reactive Power Compensation(2021)

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Abstract
为了减小220 kV变电站合闸并联电容器产生的涌流对系统的冲击,提高电能质量,本文依据实际220 kV变电站系统建立并联电容器合闸的数学模型,通过计算得到涌流最小时并联电容器精准合闸策略并仿真验证了合闸策略的有效性.分析了机械开关合闸的分散性和电压同步测量误差,给出减小误差办法并计算合闸延时,确保并联电容器组在特定时刻精准合闸,能够有效减小并联电容器组合闸涌流.
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