Converter is a phase shifted high frequency DCDC followed by a 4 quadrant switching stage to ensure the 4 quadrant operation.

1st Intervention	Piquet SY-EPC Experimental Areas(163668)
Responsibles:	Serge PITTET
	Benoit FAVRE
Developped	CERN AB-PO-SC
	2007
Manufactured	Portugal
	EFFACEC
Production	115 Pc
Use
CTF3	95 Pc
Bat	Bat 2002 - Bat 2009 - Bat 2010
Power In	3 x 400V with Neutral / 1.8A
Power Out	+/- 20A +/-50V
Cooling type	Fans
Weight	...kg
Control type	Internal / RS422

Simplified Schematic

Power Part simplified Architecture / Topology .vsd

Notes:

This topology gives a low output EMC noise, at a cost of complexity with regards to the 4 quadrant switching stage, combining main regulation loop + circulating current loop, being powered by a DC-DC controlled by another loop.