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Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?
1 3748A simple Question from all.... If Voltage drops then its rated value what will be effect on a Residential load? similarly if voltage rises from its rated value then what will be effects on a load? i know if voltage drops the equipment or device draws more current then its rated what are other reasons ? thanks in advance for ur time.......
1 28202 electric bulbs of 100w,200V are put in series & the combination of each bulb is supplied to 100 V . the power consumption of each bulb will be????????
4 16294Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??
1833explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?
2201at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds
1754L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE
1 3647L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE
1 6280URGENT PLEASE//////////A WORK SHOP IS HAVING A 100 KVA TRANSFORMER 11KV/415 VOLTS, AND THE CONNECTED LOAD OF THE WORK SHOP IS 80 KW WITH INDUCTIVE LOADS, LIGHTING LOADS,ETC., HOW MANY EARTH ELECTRODES ARE NEEDED AND WHAT IS THE EARTH RESISTANCE OF EACH EARTH ELECTRODE AND COMBINED EARTH RESISTANCE in normal soil. AT 11 KV SIDE AND AT LT SIDE. HOW TO CALCULATE.
1 3328IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED
BSF,
2 24379Post New Electrical Engineering Questions
what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?
What is systematic error?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
how the CT and PT is connected in the circuit during testing of transformer explain with diagram
XYZ
previous year paper of ntpc bhel for degree in electrical enng
Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?
what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
I need bhel electrical test pattern & paper
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
for compensate 315mh inductance ,how many capaciance required?
How many methods use the load flow solution?
How Can you do Maintenance of ACB of 2000Amperes
why any centrifugal blower draw more current in starting. consider id fan and fd fan?
If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?
