Built-in high voltage side electronic current transformer and circuit breaker
An electronic current, high-voltage side technology, applied to circuit breakers, inductors, transformer/inductor coils/windings/connections with excessive current, etc. The effect of breakdown and easy energy extraction
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0021] Embodiments of the electronic current transformer of the present invention are as follows:
[0022] Such as figure 1 , Figure 4 A built-in electronic current transformer on the high-voltage side is shown, including a Rogowski coil 1, a low-power coil 2, and an energy-taking coil 3 stacked up and down coaxially on the high-voltage side. The Rogowski coil 1 and the low-power coil 2 are connected with signal processing The circuit 14 and the output of the energy-taking coil 3 are connected to the power supply circuit 15 , and the power supply circuit 15 supplies power to the signal processing circuit 14 . Three coils and a metal support base 4 are coaxially threaded on an inner tube frame 5, the inner hole of the metal support base 4 is screwed to the inner tube frame 5, and the connecting flange at the lower end of the metal support base 4 is installe...
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