if a single phase 3 hp submersible pump of Crompton Greaves is moving in reverse direction and sometimes it moves in rigth direction ,then what may be the cause....

2 Answers   Crompton Greaves,

---

what is corona effect?

39 Answers   ABB, Genco, Wipro,

---

WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

0 Answers  

---

how many transformer

8 Answers   Dalmia Group, TATA,

---

if the load is reactive then what is the use of calculating the real power and what is the use of reactive power if my question is wrong please excuse me..

1 Answers  

---

Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

---

Enlist four components of electrive drives.

0 Answers  

---

How to calculate Battery back up time for a 400 AH Battery bank having a load of 20 Amps and charging time required to fully charge this battery bank?

2 Answers  

---

what is IDMT relay.

4 Answers   Birla,

---

What is the actual calculation for transformer short circuit test?.

0 Answers  

---

A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

0 Answers   VECL,

---

What is the control action?

0 Answers  

---