A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?
1 3578What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)
1 3449If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
3 4658At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?
4 9771Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?
3 17668What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?
2 10519Post New Electrical Engineering Questions
What are the two major types of control system?
what is conductor copnstant of ab cable
What do you mean by transformation ratio of instrument transformer?
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
which connection is safer series or parallel?usually which connection we prefer at home?
what you have to see after one week or month from the day of installation of transformer ?
For overhead protection we use which transformer?
I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.
What are the characteristics of negative feedback?
how r charge carriers produced
What is the meaning of Insulation H for transformers????
which pump used in STP
What is the unit of attenuation?
Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?