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换流站交流滤波器的暂态额定值计算用于配置适当的避雷器,以保护滤波器中的电抗器和电阻器设备,确定交流滤波器内各设备的绝缘水平和暂态冲击电流。以±800kV锦屏—苏南特高压直流输电工程为例,介绍了交流滤波器暂态额定值的计算方法,包括避雷器选取的方案,电容、电抗、电阻等元件绝缘水平确定的原则,以及确定其他重要参数所需要的暂态电压和电流的计算方法,可为高压直流输电工程交流滤波器内电容器、电抗器、电阻器、避雷器和电流互感器等设备选择提供依据。
Transformer station AC filter transient rating calculation is used to configure the appropriate arrester to protect the reactor reactor and resistor equipment, to determine the AC filter insulation level of equipment and transient surge current. Taking ± 800kV Jinping - Sunan UHVDC transmission project as an example, this paper introduces the calculation method of AC filter transient rating, including the principle of choosing arrester selection scheme, capacitor, reactance, resistance and other components insulation level, The calculation of transient voltage and current required by other important parameters can provide the basis for selection of equipment such as capacitors, reactors, resistors, arresters and current transformers in the AC filter of HVDC transmission project.