Principle of current transformer
2017-08-02 11:46:43 COMMENT：0 HITS：
The basic structure of the current transformer is composed of primary winding, two winding and iron core, and there is insulation between the first and two times and the iron core.
Electric current transformer in the table is the current measurement on the line of 1 into a small current of 2 milliamperes, and to supply the power to change the voltage I 2R small current flows through the sampling resistor R to obtain a desired energy meter chip.
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