how the characterstics of control valve being done

2025

please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1934

what the principle of sincroscope?how it works?when it needed?

2260

What is the equivalent circuit of a transformer and its vector diagram?

2654

How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

2377

sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

3922

What does ampere turns shows?

1074

what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

2355

What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

2010

What is superposition theorem?

1145

For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

1937

what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

1851

how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

2599

In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

1714

Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?

1994