Answer / mohamed mustafa

P=V*I
IF THE VOLTAGE VARIES CURRENT VARIES
SO THE SIZE AND INSULATION OF THE MACHINE CHANGES

what happens when parallel resonance occurs?

2 Answers  

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Can you explain about TEE protection scheme?

0 Answers   Voltech,

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if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

0 Answers   First City,

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what is the working principle of smoke detector in fire alarm system

2 Answers   Vijaya Bank,

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what are the reasons for overheating in electrical machines?

3 Answers  

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How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts

0 Answers  

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CFL lamp is what type of load?

6 Answers  

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What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

1 Answers   Hitech, Reliance,

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what is the mean of"turbo" in turbo alternator???

1 Answers   CCCL,

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what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

0 Answers   AB, JLL,

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what is interpose? where it is used and why it is used?

0 Answers  

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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