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Why dont we get shock while testing for voltage with a line tester? How the bulb inside the tester glows while testing with tester coz we are totaly isolated from earth or we are not giving close path for the current to flow?
3 16588What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.
1 4589i am BSEE student, my project study is to synchronize the generator of an hospital, it have a one 313KVA standby-power diesel gen.,and three 100kva transformer.The generator system is operated manually and no ATS or UPS. one more new building is being build so the transformer will be upgrade to a higher vale. 1)how i can connect the new gen. to the old gen. and to the synchronize panel? 2)what is the new gen. to be buy?(rating, etc.) These is my title: To synchronize the generator system of the ____ Hospital. Anyone have a good title? Thanks.
1 3661in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??
3 5964please send me previous year questions of jspl through which i could prepare myself for the test.
1845Is there any option to replace two Genset of capacity 125KVA with one higher capacity for same office?
8 90791)which height building required lightning arrester? 2)how to calculate the requirement of lightning arrester? 3)what is the pro instrument? 5)how to test protective relay like overload?earth fault relay?
1 16767How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.
3 16742what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?
2505Post New Electrical Engineering Questions
Explain the advantages and disadvantages of hydropower plant?
DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER
Why colled 440V to 3-phase supply.
LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values
what is the Connected Load (kW) or Contract Demand (kVA)of mahindra nasik plant??
Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?
What conditions are required for transformer to operate at low frequencies ?
hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet
why do we use 25kv supply for traction purpose?
What is the difference between vector surge relay (78) and Pole slip relay (98G)
What is the tube exial fan?
How to select HT/MV cable size ?
WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane
state the working of discharge lamp?
DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.
