Please define ohm’s law for a.c (alternating current)?

0 Answers  

---

If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 Answers  

---

requirements for making parallel operation of Uninterrupted power supply

2 Answers   Emerson,

---

what is the transformer efficiency?

5 Answers  

---

What are the essential parts of a transformer?

2 Answers   NIT,

---

---

I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

---

Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 Answers  

---

what is the function of generator exciter

11 Answers   NTPC,

---

why we don't use earthing as neutral?

1 Answers  

---

I hv a question regarding power factor improvement just after transformer. I request you to reply me plzz. thank you sir. My friend has a small unit of fabrication. in his factory the main load is a welding machine, lathe machine, grinding machine. this load is not continuous type. now our electricity board has installed 16 KVA, 11000/433 V transformer for our factory. In the energy meter (trivector meter) at LV side of transformer, i hv seen power factor value of 0.15 only when only 3 KW load was flowing. Further electricity board has suggested to install 4 KVAR capacitor at LV side after energy meter. Now my question is that if we permanantly install and switch on 4 KVAR capacitor after energy meter, during some load on transformer and also without any load on transformer, wht will be the power factor shown in energy meter?i dont want to get any penalty by electricity board, so plz suggest me if i can permanantly install and switch on the 4 kvar capacitor or not at LV side of transformer just after energy meter? Thank you again and awaiting for ur positive reply soon.

9 Answers  

---

What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

0 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

---

What is the cut-off rate?

0 Answers  

---