Device for detecting the short circuiting of the switches of a c

Details Device for detecting the short circuiting of the switches of a c Device for detecting the short circuiting of the switches of a c

1996-03-15

1998-01-13

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

323908, G05F 504

Patent

active

057083533

ABSTRACT:
A device for detecting the short circuiting of the switches of a converter circuit arrangement is disclosed. The device is magnetically coupled to the current limiter coil and comprises a conductor loop which is preferably arranged at the end of the current limiter coil. On short circuiting, a voltage is induced in the conductor loop. This voltage is converted in a detection circuit into a voltage pulse and fed to an evaluation logic circuit. In the evaluation logic circuit, the period of the induced voltage pulse is evaluated and, if appropriate, load-relieval actuation is initiated.

REFERENCES:
patent: 4571535 (1986-02-01), Gyugyi
patent: 4638238 (1987-01-01), Gyugyi et al.

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