Why Power transformer factory acceptance test checklist is required ? Every power transformer has gone through 2 type of testing before charging.The First testing is done at the factory, under the supervision of vendor( who purchase it) and the second testing is done after installation at the site. Actually, the manufacturer offers the pre-inspection check before dispatching the material from its store and all of the testing cost carried by the manufacturer. So many of the manufacturer try to hide or bypass some test. Every person has no idea which…
Read MoreYear: 2017
Commissioning Procedure of HT capacitor bank and reactor
Commissioning Procedure for HT capacitor bank and reactor HT Capacitor Bank Do a visual check of the equipment, to check for damage. Ensure that the connection is as per drawing. Visually trace the interconnection between individual capacitors, and verify that they as per the drawing. Check the capacitance value of the bank using LRC meter, and compare with the specified value. Check IR values. IF CT or residual VT (RVT) is provided, it has to be tested as per standard testing procedure. A complete test of the panel…
Read MoreElectrical Switchboard / Switchgear testing and commissioning
Electrical Switchboard / Switchgear testing and commissioning manual -From 3.3kv up to 33KV In this article I go to share the actual what we do in after panel/ switchgear installation and what are the procedure of switchgear testing and commissioning ? Here we go: The test procedure described are applicable to metal clad switchboards. A switchboard comprises of circuit breakers, CTs, PTs, protection relays, & metering equipment. Commissioning procedure will be described for one panel and the same is applicable for the entire switchboard. As mentioned earlier the switchboard comprises various equipment…
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