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Undercurrent Protection In 5th Harmonic Filter
Is anyone able to explain the purpose of undercurrent protection in a 5th harmonic filter. With reference with the attached schematic, why are the highlighted CTs installed in the resistance circuit of the filter and why would a low current in this circuit cause a fault condition? Is it just...- Keegan Howe
- Thread
- Replies: 1
- Forum: Electric power & transmission & distribution
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Solenoid Coil Whine / Resonance (Undervoltage Release Coil of Circuit Breaker)
Does anyone know as to whether there is a means to reduce the resonance noise produce from a AC solenoid (in this particular case the solenoid is a undervoltage release coil installed in a circuit breaker). I have been told by the manufacture that the coil is 240Vac 50Hz rated and that the noise...- Keegan Howe
- Thread
- Replies: 2
- Forum: Power supply & electronic component design
