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I have 1 KW, 3ph. 440v, 50 hz, cos(phi) .75, efficiency 75%(star delta connection)Motor. How to calculate line current & Phase current (1) Star connection (2) delta Connection
2 5861calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
3568A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
2169what are different types of electrical windings? i know the distributed winding ,concentrated winding etc but i want some detailed information, in what condition we will use distributed,concentrated windings what are the difference between them which is best, how induced emf changes by using different types of windings 20 hours ago - 1 week left to answer
2016when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?
1 4679Post New Electrical Engineering Questions
Use of switch mode power converter in real-time basis?
What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2
What are the advantages of instrument transformer?
What do you mean by distribution transformers?
how is the testing of an REF relay? what are the test REF circuit having?
Define ohm’s law for a.c (alternating current)?
Why the power factor improvement is so important in industrial loads
What are linear and non-linear systems?
(1)Can earth and be conected together (2) what is the diferent between earth & neutral
list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.
dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai
What are the advantages and disadvantages of negative feed back?
what is the purpose of silicon dropper used in battery charger?
Why collecting electrode of ESP to be earthed
how to increase senstivity of ct
