What should be the DC voltage for Hi-pot test on 11kv switchgear

3 Answers  

---

What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

0 Answers  

---

what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

---

what is the difference between circular wdg & ractangular wdg?

0 Answers  

---

How to identify phases in the transformer like motor and AC generator but one condition without phase indication like(RYB,UVW)?

1 Answers  

---

what is the load amp of a 2 hp single phase motor?

6 Answers  

---

The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

---

It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

---

difference between alternator & GENERATOR

4 Answers  

---

What type of a DC motor would you use for a lift?

0 Answers   GE,

---

How many types of DC current

2 Answers  

---

Kindly give the brief explanations for checking 12.5 kvar 440V, 25 KVAR 440V, 12.5KVAR 690V, 25 KVAR 690V capacitors microfarad values. what is the microfarad values for the above four type of capacitors, and give the formula explanations briefly. I know F-50HZ, voltage, and capacitor.

1 Answers  

---