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A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.
1 3070Whether capacitor loads can be connected for testing a diesel engine at its full load capacity? Is there any limitation of capacotir load? Which is the best load for testing DG sets?
2 4496Can someone guide me about the written test paper pattern for s/w engg having exp of more than 3yrs.will it be technical or aptitiude?
1881how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours
MRF,
2296When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.
1 5775What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva
2213How will u convert the mmh2o in mass or Volumetic flow rate in DP Flow Transmitter. Give me the Brief explain using the formula
1 16736AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?
2 6389In micro controller individual pin output current is 1.6ma .Normally to blink a led we need minium 10-12 ma. But if we connect led to the micro controller pins without additional device it blinks. How it is possible
2063Micro controller input pin voltage is max 5v. If i want give 50 0r 100v input pin. whether is it possible
4 6577
Can 1026 steel be welded?
How to Calibrate Flammable gas detector in field
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
What is the relation between frequency and motor rpm?
what types of electrical & mechanical test conducted in switchyard?
How to start water tube steam boiler
what is compensation? temprature & pressure
What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?
what is routh,s law in thermal engineering ?
Do Phase angle measurement have any application in freq/harmonics measurement? If so how?
How java can be useful in mechatronics?
Define availability (operational)?
write test cases for cases
What is load commutation?
How to stoped water tube boiler
