How to arrange a hous hold earthing system to keep minimum
earth resistance( below 7ohms).
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what is power load and lighiting load?
what is the breakdown voltage value in BDV test in transformers?
What is the main difference between generator and alternator
What are the protections used in a HT breaker to protect the HT motors.
Motor also having losses, we call KW rating. In transformer and generator having losses but we call KVA Rating why?
Power Factor Controller
1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.
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what is the purpose of using filters in a protective relaying scheme?
control wiring purpose,standards, ferrule code standard, interlock, schematic, symbol
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types of transformer ?