Answer / gopal manda

low impedance protection low protection at over voltage,and high impedance protection provide more protection at over voltage.it offer the impedance against over voltage.

how to do 'pole drop test' on AC generator?

1 Answers  

---

which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

0 Answers  

---

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 Answers  

---

why we used servo motor insted of inducation motor?

1 Answers  

---

what is the meaning of neutral displacement ???

0 Answers  

---

how to check the 3ph capacitor is good or not.

14 Answers   MacLellan, Yash Technologies,

---

Differnce between negative Pahse SequenceFunction and unbalance Function?

0 Answers   Atsco, LMW Lakshmi Machine Works Limited,

---

what is the difference between concentrated winding and Distributed winding in motor?

7 Answers   BSL, Infosys, TCS,

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

what are the duties of commutator in motor and generator?

6 Answers   L&T,

---

Which Transformer is commonly used for power distribution?

11 Answers   HSL,

---

How to use a insulation resistance tester on a three phase electric motor?

2 Answers  

---