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what is max. continous current of LT side of distribtion transformers? ie for25kVA, 63kVA, 100kVA, 200kVA etc
2 6467What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection
1875An engineer measures the direct current resistance of a transformer using ohm meter. When he/she takes out one of the leads of the meter, spark comes.. Why ?? This effect is known as...
1 9358Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?
1903Post New Electrical Engineering Questions
a)In a 3-phase 4-wire circuit, a circuit breaker is selected to protect the circuit whose highest fault level is 6.6 MVA. Determine the required minimum breaking capacity in kA. (Note: Covert 3-phase power in terms of kA to find answer.) b)Using the below, determine the required minimum making capacity in kA as a “peak value”. Rate breaking capacity (Icn) ka: Icn<= 1.5 Factor = 1.41 1.5
How to check the Bushings of the transformer?
How to back charge the Gas turbine generator
When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?
Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.
Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?
State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp
Why the standard of ambient teperature mentioned as 40 degree celcius in machines.
what rectifiers is and what are the types of rectifiers?
what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?
What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.
critically criticize the application of ring main unit in power system
what material is used in capaciter
How to design harmonic filter at the project stage without nowing the harmonics levels
why is the conservator tank painted white on the transformer
