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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 3157During 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 3161Why 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 10746given data are load current & power factor cable core size? plz any one update the calculation formula
1893i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
2341Hi,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 2969As 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.
1849Post New Electrical Engineering Questions
why r we using shell transformer for low voltage
WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
What are the causes for the failures of sandwich type (Al) busducts?
being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give
We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible
Details about Flux Compensated magnetic Amplifer starter for motors
What is the minimum underground tank size capacity considered for firefighting purpose?
1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)
Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?
the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?
In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
how to setting voltage RTCC panel
what is the minimum winding resistance of 30hp compressor, to run or to switch on
what is the difference between torque induced and torque load?compare them with respect to dc motor?
