Based on the principle of electromagnetic induction, large current is proportionally converted into small current. It has high-precision ratio characteristics and can accurately convert large current on the primary side into small current on the secondary side that can be used by measurement and protection devices. It has excellent insulation performance and can work safely and reliably in high voltage and high current environments.
It is convenient to measure and protect large currents. It provides suitable current signals for ammeters, energy meters, relay protection devices, etc. in the power system, so that these devices can accurately complete the measurement and protection functions. At the same time, it has a sturdy structure, high reliability, low maintenance cost, and can operate stably for a long time.
It is widely used in various links of medium-voltage power systems, such as in the incoming and outgoing line circuits of substations, distribution rooms and other places. It is a key device for realizing current measurement and protection, ensuring the safe operation of the power system and the accuracy of energy metering.
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