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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 4270What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)
1 4202If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
3 5737At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?
4 10954Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?
3 18882What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?
2 11450Post New Electrical Engineering Questions
i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?
What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?
why in the three pin plug all 3 pins are cutted ?
why zero sequence impedance measurement is not applicable for single phase GT
my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking
Differenciate between circuit wiring and sub main wiring with illustrations
What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?
Explain the role of a car driver as one of a feedback mechanism.
How to calculate Number of Earthing Pits....???
what is method for testing CT
How can we convert 11 kv to 440 volt without using transformer ?
What is the meaning of dedicated earthing?
Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.
A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
What is the meaning of utility ground and clean ground? How the distribution panel is grounded?
