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分析了换流站无功控制的基本功能、优先级别、动作逻辑,并结合现场对无功控制模块的实际作用进行了验证,得出换流站交流滤波器操作顺序的结论:优先级最低的无功控制功能在保证其余高优先级控制功能限制的情况下,最先实现滤波器的投切;人工进行切换滤波器时,需严格遵循一定的操作顺序;在使用不同类型滤波器进行替换时应最先置无功控制方式手动,最后恢复无功控制方式自动。
The basic function, priority level and action logic of reactive power control in converter station are analyzed, and the actual function of reactive power control module in site is verified. The conclusion is drawn that the order of AC filter operation in converter station is the lowest priority Reactive power control function The filter switching is implemented first while ensuring the rest of the high priority control functions are limited. When the filter is manually switched, a certain sequence of operations must be strictly followed. When using different types of filters for replacement Should first set manual control of reactive power, and finally restore the reactive power control mode automatically.