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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 3266During 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 3234Why 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 10878given data are load current & power factor cable core size? plz any one update the calculation formula
1939i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
2393Hi,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 3045As 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.
1889Post New Electrical Engineering Questions
TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
What is meant by time harmonics and space harmonics?
What is The Resistance Formula
How is the speed of a DC shunt motor related to the armature current?
where is the need for short circuit test for 3 see is required and why? can you explain in brief with application
Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?
distribution is maximum done by a)radial b)network c) parallel d)b & c
please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com
differnce between single acting and double acting solenoid valves
The size and construction of bushings in a transformer depend upon?
Can anyone explain me about the capacitor calculation
