What are protection of power transformer?

1 Answers  

---

What is the difference between generator and alternator?

2 Answers  

---

How to calculate capacitor bank size at a load 800kVA.

0 Answers  

---

what is dielectric heating

1 Answers  

---

how to select DG set for certain load?

7 Answers   ACC,

---

What is the principle of residual protection?

0 Answers  

---

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

0 Answers   NTPC,

---

how to calculate the chiller load from TR to KW?

0 Answers  

---

Can we get the shock if Power system is unearth means delta type take an rated voltage as 6.6 KV?

9 Answers   Reliance,

---

For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

---

Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

---

what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

0 Answers  

---