What is mean by single phasing used in distribution of electricity in rural area of maharashtra state?3 2928
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.2 3383
What is the reason behind 11kv 33kv 132kv.....means multiple of 11?6 18077
why the the phase transformer's nuetral has been grounded2 3701
Difference between 3.5 core and 4 core2 4003
What is the black star?2 2807
what are the industrail measures to overcome ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system? plz reply3 4996
can we replace d.c.motor by 3 phase induction motor for a particular application4 4511
A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?2 5565
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.
what will happen if dc is supplied in acb or mccb or other circuit breakers?
What is the difference between solid grounding and impedance grounding?
how to calculate short circuit current for the busbar
why the protection turbo generators is most complex?
What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
What is steady state response?
i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.
What is the difference between Droop vs Isoch Control?
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
Why does the rotor rotate?
Why does the radius of armature is less than the radius of pole shoe?
we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?