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What will be the effect of in HT XLPE 220 KV cable when one side of the Armour/cable ends are not grounded. Will there is difference between 3-phase voltages? like: if A. Both End of Cable grounded Phase Voltages:- V1=219 KV, v2=220 Kv, v3=220 KV. B. One End is grounded other is not: than Impact on Phase Voltages:- V1= KV, v2= Kv, v3= KV. Remain same or unchanged??
3 5925For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
1952what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
Bhel,
2017Post New Electrical Engineering Questions
State thevenintheorem?
Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007
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What is a differential amplifier? Also, explain cmrr.
electrical knowelge
Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.
how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???
List some examples of renewable energy?
Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason
When we giving the 3 phase supply to ups system how to coming netural?
Describe the test procedure to determine the vector group
Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.
