IEC Glossary

EN

secondary circuit

a circuit which has no direct connection to a mains circuit and derives its power from a transformer, converter or equivalent isolation device, or from a battery or other power source not connected to the mains (e.g. the PV circuit in isolated PCE)

TC/SC:	82	Terms Info Publications
Published in:	IEC 62109-1, ed. 1.0 (2010-04)	Terms Info
Reference number:	3.87