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1.what is surge used in power system 2.what is switching used in power system 3.what is lightning used in power system
1 3934In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]
1979hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com
2917if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit
1878if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
1 3657what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
2037there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
1932how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
1843What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
2009What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
2188Post New Electrical Engineering Questions
write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.
"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS
What is the diff. between single compression and double compression gland
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
hey guys help me out.....what are the industrial uses/functions of nozzles in industries
What is different bewteen low or high impedance busbar protection scheme
model question paper for supervisor trainee
How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?
Can you explain about Restricited earth fault protection scheme
Can we transmit digital signal to long distance ?
What is a DC series motor?
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?
A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.
How to do fabrication , busbar and wiring cost for : 1. LT Panels 2. C& R Panel
