The zero-sequence current protection is an important means of power system ground protection.
零序电流保护是一种重要的接地保护方法。
Low and even forward (backward) and zero sequence impedance improves the quality of power supply.
电缆具有较低且均匀的正(逆)序和零序工作阻抗，有利于改善供电品质。
The zero sequence current transformer is full enclosed type.
本型零序电流互感器为全封闭式。
The zero sequence current transformer is open-close type.
本型零序电流互感器为开合式。
The zero sequence current transformer is open-close type.
本型零序电流互感器为开合式。
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