Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.
1 2328During speed control of dc shunt motor with flux control methode,when armature voltage is constant, How can it possible to increasing the armature current?
1 2446Why we use two wattmeter during block rotor test and no load test of 3phase induction motor? And how can we understand the neat power requirement of from this test?
2 9793given data are load current & power factor cable core size? plz any one update the calculation formula
1376i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
1848Hi,My name is ranms i want to know the machine vibration related problems.post me if any body knows. 1) Possible causes of machine horizontal vibration high? 2) Possible causes of machine vertical vibration high? 3) Possible causes of machine axial vibration high?
1 2238As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.
1423Post New Electrical Engineering Questions
How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)
in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
Why syn. Generators are used for the production of electricity?
A 2083kva AVR was tested, phase to ground shows continuity, what is the implications
please send me previous year questions of jspl through which i could prepare myself for the test.
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
Can an inverter be used as a converter? How?
Define relative stability.
nwhat are the main Components of servo motor?
What are the advantages of vscf wind electrical system?
what is different between relay and plc?
Can anybody tell abt concrete encased earthing or grounding?
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
