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电流互感器要求二次侧一端接地是为了安全
电流互感器的一次线圈有电流通过时，铁芯产生交变磁通，二次侧回路就会感应出电势电流，它其实是把大电流变成小电流的一个电气元件。而我们的测量仪器就是接在小电流的二次侧，我们测量的数据乘以一定的倍率，就是我们一次侧的电流值。
When current passes through the primary coil of current transformer, the core generates alternating flux, and the secondary circuit will induce potential current, which is actually an electrical component that converts large current into small current. And our measuring instrument is connected to the secondary side of the small current. The data we measure multiplied by a certain rate is the current value of our primary side.
穿芯式电流互感器二次侧接地或不接地均可，电流互感器要求二次侧一端接地是为了人身和设备的安全！如果电流互感器运行中二次绕组不接地，万一互感器绝缘被击穿后，高压通过互感器串入低压，伤及仪表及运行人员！将互感器的二次S2接地，既保证了设备的正常运行，还保障了人员和设备的安全。常见接线中低压电路中可以不接或接，高压回路里一定要接。
Core-piercing current transformer can be grounded or not at the secondary side. Current transformer requires one end of the secondary side to be grounded for personal and equipment safety! If the secondary winding of the current transformer is not grounded in operation, in case the insulation of the transformer is broken down, the high voltage is connected into the low voltage through the transformer, which will hurt the instrument and operators! Grounding secondary S2 of transformer not only ensures the normal operation of equipment, but also ensures the safety of personnel and equipment. Common wiring in low-voltage circuit can not be connected or connected, high-voltage circuit must be connected.
When current passes through the primary coil of current transformer, the core generates alternating flux, and the secondary circuit will induce potential current, which is actually an electrical component that converts large current into small current. And our measuring instrument is connected to the secondary side of the small current. The data we measure multiplied by a certain rate is the current value of our primary side.
穿芯式电流互感器二次侧接地或不接地均可，电流互感器要求二次侧一端接地是为了人身和设备的安全！如果电流互感器运行中二次绕组不接地，万一互感器绝缘被击穿后，高压通过互感器串入低压，伤及仪表及运行人员！将互感器的二次S2接地，既保证了设备的正常运行，还保障了人员和设备的安全。常见接线中低压电路中可以不接或接，高压回路里一定要接。
Core-piercing current transformer can be grounded or not at the secondary side. Current transformer requires one end of the secondary side to be grounded for personal and equipment safety! If the secondary winding of the current transformer is not grounded in operation, in case the insulation of the transformer is broken down, the high voltage is connected into the low voltage through the transformer, which will hurt the instrument and operators! Grounding secondary S2 of transformer not only ensures the normal operation of equipment, but also ensures the safety of personnel and equipment. Common wiring in low-voltage circuit can not be connected or connected, high-voltage circuit must be connected.
