why plc need seprate earthing?

2 Answers   ABB, Whirlpool,

---

WHY 6.6KV MOTORS ARE STAR CONNECTED AND WHY NOT DELTA CONNECTED,

15 Answers   Bhel,

---

why DC motor body is plain cover but AC motor is different like finse?

2 Answers  

---

Period of infinite continuous fourier series a. N b. N+M c.infinite

1 Answers  

---

Write the programming software name for LG, SIEMENS,Messung,AB

0 Answers  

---

What is the minimum distance between taransformer (say 2000 kva)and its earth pit?

2 Answers   Bhel,

---

What is the difference between ground and neutral ?

2 Answers   TCS,

---

Why we use neutral cable just half from phase cable.Tell me briefly,please.

4 Answers  

---

What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

---

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

0 Answers   Bhel,

---

How to calculate HV Cable Sizing & what are the factors to be considered for selection?.

2 Answers  

---

how can we find CT coil not working ?

7 Answers  

---