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There is no DC VVVF because frequency came under AC only

How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

2888

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in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

1844

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Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1967

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What the main causes of transient interruptions on Over-Head Distribution Lines?

1595

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What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

1036

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If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link

1728

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what are factors to be consider to design a HT & LT motor?

1822

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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.

1634

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Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

1745

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please give some hindalco placement papers for written exam

1354

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How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1044

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what is the formula of starting current of 3phase and 1 phase motor???

1729

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how to find the torque of the single phase synchronous motor by doing an experiment

1523

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what is the difference between vector scale and vector diagram?

3788

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clarify types of motor operated valves and advantages

1474

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