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where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.
2 9902how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
2018I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???
RRB,
15632Post New Electrical Engineering Questions
Explain the purpose of inductor in an electric circuit?
Explain in brief description about the operation of DG sets.
We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?
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A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
how to decide no of electrodes for 1600A LT Main incomer panel
Why 9KV surge arrester having 7.65KV of MCOV?
I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.
1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?
What are the operation carried out in thermal power station?
explain PV modules in solar energy generation.
How many types of electrical earthing are there?
how to size H.T & L.T Panel ?
How is the speed of a DC shunt motor related to the armature current?
Define end float in a motor?
