Process and device for determining the mean value of the current

Details Process and device for determining the mean value of the current Process and device for determining the mean value of the current

1985-07-19

1987-01-20

Salce, Patrick R.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363129, H02M 704

Patent

active

046384197

ABSTRACT:
A process and device are provided for determining the mean value of the current delivered by a thyristor rectifier bridge fed by a multiphase AC network. Said device comprises successively an operational amplifier whose inverting input receives a signal representative of the current supplied by the bridge and is connected to its output by a capacitor, a blocking sampler and an analog-digital converter. The switch and the blocking sampler are controlled by a microprocessor so as to obtain an integration cycle and end of cycle sampling during a period zone of value (T/6), (T) being the period of the network.

REFERENCES:
patent: 4282570 (1981-08-01), Kurosawa et al.

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