is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

1 Answers   Blue Star,

---

How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

0 Answers   Apollo,

---

what are the major difference between 3phase 3wire and 3phase 4wire trivector meter?

2 Answers   L&T, NTPC,

---

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 Answers  

---

How many earthing pits are requier to disapper the surge current of one lighting arrester.

3 Answers  

---

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

0 Answers  

---

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

0 Answers  

---

WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

5 Answers  

---

why the AC or DC motor takes high starting current?

2 Answers  

---

1 tr is equal to how many Kw .is there any specific formula for this to get the result .

13 Answers   Cipla, LG, NSN,

---

How many types of Transformer testing..

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,

---