testing

The following steps are generally followed for Factory testing of LV Switchboards:

Stage Inspection of Mounting Plate Assembly, Busbar Assembly &, Door Component Assembly

Check Paint thickness & paint texture of enclosures

Physical Inspection of overall dimensions, wiring layout, quality of wire-lug crimping etc

Test fasteners of busbar joints with calibrated Torque Wrenches

Check quality of busbar sleeving and busbar contacts

Check feeder, equipment & terminal identification with proper name plates, labels and stickers

Check alignment of doors, door handles, locks, drive handles etc

Check sufficiency of Shrouding of live terminals

Carry out Continuity tests

Carry out Primary Injection tests

Carry out Secondary Injection Tests of ACBs, MCCBs, Relays, where necessary

Carry out Knee point testing of CTs, where necessary

Check Creepage distances where applicable

Check clearances between metal and live parts / fasteners etc

Carry out Di-electric tests

Carry out Insulation Resistance Tests upto 1000V

Carry out Control Logic and Operational tests

Carry out Functional tests

Carry out Simulation tests where applicable or necessary