How to find out damper winding failure for synchronous machine?

0 Answers  

---

what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers  

---

why secondary terminal of current transformer should not be open circuited?

4 Answers   ABB,

---

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

---

Reason of secondary of ct always short

5 Answers   ANITS, EID Parry,

---

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

1 Answers  

---

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

---

what maximum load will take a aluminum cable of 50mm 4 core.

3 Answers  

---

what are the installation procedure of high voltage power transformer,CT,CB&PT?

0 Answers   Siemens,

---

what is the difference beteen differential protection and over current protection of an alternator

2 Answers   GVK,

---

What is the difference between RCD & RCCB, Where it can be used

3 Answers  

---

Write the force balance equation of ideal spring element.

0 Answers  

---