in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
what is class of SPD and dittels of all class ?
WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?
WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?
WHAT IS DEAD END IN PROTECTION?
WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?
HOW TO CALCULATE THE VT SIZING?
HOW TO CALCULATE EARTHING SIZING?
HOW TO CALCULATE HV CABLE SIZING?
how does ELR works? explain
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?
WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.
Why is a plain induction motor unsuitable for wide speed control?
how to calculate compresor capacity?