Does induction motor start with dc power supply????

4 Answers   Essar,

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there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers  

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in short circuit. test of a transformer 5 to 10% ofvrated voltage is used why??? if we use rated voltafe then what will be?

1 Answers  

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what is the IEC standard for Power Cable installation in onshore (like in direct buried ground or above groung)

0 Answers   L&T,

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What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

0 Answers   K-Electric Limited,

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I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

0 Answers  

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why transformer are rated in KVA not in watt?

7 Answers   DMRC, L&T, TCS,

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What is the difference between electrical earthing and electrical grounding?

0 Answers  

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

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what is voltage

7 Answers   TCS,

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What is the purpose of earthing Truck ? How does it work for busbar and cables?

1 Answers  

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

0 Answers  

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