what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?
1 156012.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?
5 7348how does a current carrying conductor posess a magnetic field. what is the reason for the production of electro magnetic field around the conductor
2 7804How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?
2045can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks
1 4098what is circulating current in parallel transformer???plus how it is generated ???plz explain in detail.........
2 6019suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?
ABB,
2 6204EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?
1897Post New Electrical Engineering Questions
How cable from Kit-Kat to main switch, from starter to motor are designed?
The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
we need a ntpc previous papers
If I want to buy a new Xformer for my plant what are the main parameter will I need to check?
What is the formula to calculate the no load current of a single & three phase induction motor
How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)
What current position are you holding in your current company?
whit is 33kv power 300*300 cable full current with formula
In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..
1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done
describe the Operation of induction generators from bus bars
Different types of relay fault which phase sequence??
Explain what is clipper and clamper circuits?
What is the height of DA, DAL, DB, DC & DDE tower?
What is the fault or needs to be done when frequency in ac drives is not changing?