Answer / nizam

by seeing violet colour due to corona effect

Answer / irfankh

with the help of position of cross aram..

Answer / cae

By listening the hissing noise of bare conductors

Answer / sudipt jena

we can take the help of a thermovision camera, as the conductor have more temperature than surrounding.

Answer / sham

its tough , but by magnetic compass

what are the installation procedure of high voltage power transformer,CT,CB&PT?

0 Answers   Siemens,

How to calculate wire length,size & current? ( related to control panel)

0 Answers   FSS, GK Controls, Panel Tech,

what is pmu

1 Answers   Alstom,

how can we change the supply frequency?

8 Answers   Areva,

what is frequency transformer?

2 Answers  

i have DEEE certificate in vinyaka misson unive rsity. is a INGNO if possible get the electrical C licences in Tamil nadu?

0 Answers  

How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

0 Answers  

What is the maxvoltage drop allowed at any healthy joint at full load ?

1 Answers   Kirloskar, Seyadu,

I have a 3 phase 600 volt prim. feed and a 120/208 sec. Isolateing tranformer .We are using this system for safety against shock . What is the proper grounding ?? Does the common on sec. get earth ground ???

1 Answers  

I am working as maintenance engg. in electrical but i want to do carrier in electrical drawing.Tell me about that.

2 Answers  

what is the isolation transformer. what is the isolator?

0 Answers  

VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers