Define active and passive network?

1153

What is the instrument to check the rotating diode fuse of alternator in running conditions?

2480

How Calculet The UPS AH In Load

1906

Inductor and capacitor........power in one phase and ...... in it another phase.

2148

why the carbon brushes are broken in srim while the motor runningtime

1724

what is the difference between general inverter and solor inverter clerly explain plz

2105

What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

2050

what is the best method of grounding in 30 MW generator?

2033

difference between power surge and switching transient

2099

what is mean by dry frequency

2473

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1853

What is voltage ratio of a transformer?

1196

In a power conditoining unit (inverter) of a solar plant when we measure the d.c. current fed by different strings of solar plates to inverter, the current in the negative wire is less almost by 1 ampere to the current in its positive wire say current in positive wire 5 A , then current in negative wire of the same string is 4 A. Since the current entering should be equal to current leaving then why the current is noticably less in negative wire.

1613

A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1991

- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2752