Three phase SCR rectifier bridge with soft start control IC

Details Three phase SCR rectifier bridge with soft start control IC Three phase SCR rectifier bridge with soft start control IC

1999-04-30

2000-03-14

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 49, 363125, H02M 7155

Patent

active

060381558

ABSTRACT:
A soft start circuit for controlling a rectifier circuit, the rectifier circuit for converting power from an AC source having one or more phases to DC power having an output voltage (Vo) from a Vo+ node to a Vo- node, the rectifier circuit including: (i) at least first and second rectifier legs coupled from the Vo- node to the Vo+ node, each rectifier leg including a diode and a silicon controlled rectifier (SCR), wherein anodes of the diodes are coupled to the Vo- node, cathodes of the diodes are coupled to anodes of the SCRs at AC input nodes, and cathodes of the SCRs are coupled to the Vo+ node; and (ii) a bus capacitor coupled from the Vo+ node to the Vo- node, the soft start circuit operable to control respective firing angles of the SCRs such that: (i) the output voltage substantially linearly ramps from a low initial value to a relatively high final value, and (ii) charge up currents into the bus capacitor are controlled.

REFERENCES:
patent: 4791545 (1988-12-01), Hinckley

Affiliated with

Also associated with

Rating

Three phase SCR rectifier bridge with soft start control IC does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Three phase SCR rectifier bridge with soft start control IC, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Three phase SCR rectifier bridge with soft start control IC will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-175668