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Define what is power quality meter ?
at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?
difference between ac series and parallel circuit
how many electricity poles are there and what are the names and their sizes.
can any tell me why slope 40% and 80% is calculated in differential protection?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices
How the over load setting for HT Motors calculated-provided in Numerical Relay
Can RCD's used to protect the VVVF drive if not why.
What type interview questions ask in Electrical technicians
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%
3ph motor running with unequal kw and different pf what are the reasons
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
What is negative sequence over voltage element?
why servomotor motor? where i apply for best output?