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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 3161During 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 3163Why 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 10747given data are load current & power factor cable core size? plz any one update the calculation formula
1895i 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 is remote backup preferred to local backup?
How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.
1.what is the reason for transformer and lightning arrester blast in 33kv system
What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?
we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?
can any one suggest paper presentation topies for electrical engg?
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
determine two methods to find loose connection in operational electrical system?
what is charger supervision and control supervision?
What safety precaution are to be taken for avoiding electric hazards ?
detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron
whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?
What is a slack bus?
100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.
