Answer / maruth sk

Two types of faults:
Upstream and downstream..

Upstream faults are such as over voltage, under voltage, low/high frequency, Buchholz, OTI, WTI, PRD, OSR

Downstream faults are over current, Earth fault

Answer / maruth sk

Two types of faults:
Upstream and downstream..

Upstream faults are such as over voltage, under voltage, low/high frequency, Buchholz, OTI, WTI, PRD, OSR

Downstream faults are over current, Earth fault

What is the types of HT motor testing

0 Answers   ABB,

---

what is harmonics?explain in simple words?what is its impact on circuit?

2 Answers  

---

Why squirrel cage motor can only use with low starting loads ?

0 Answers   BEC,

---

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

0 Answers  

---

what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

---

what is difference between neutral and earth

5 Answers   HP,

---

how to cal calculate capacitance in DC Circuit

1 Answers  

---

What are the major reasons for balancing hydro-thermal mix?

0 Answers  

---

25 kva load,

1 Answers   Voltas,

---

what happens when back charging of transformer is done for longer period

1 Answers  

---

we use 3 phase supply for induction motor why not use two phase supply .

4 Answers   TLC,

---

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

0 Answers   Bhel, CVL,

---