whether a separate starter is used for a motor while it is connected to a vvvf panel?

2 Answers  

---

We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

0 Answers  

---

How to resolve if Diesel generator stop while running ?

0 Answers   Toyota,

---

In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

---

LT cable fault checking instrument is available? where and how to get it.

2 Answers  

---

Currently what is the highest capacity (MVA) of SPPg generator available in the market?

0 Answers   SPPG,

---

How will you utilise electrical power? You can start from the generating station.

0 Answers  

---

Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

0 Answers   BARC, Fedco, Qasco,

---

cable selection formulas for electrical load.

1 Answers   Bhel,

---

How i can identify the 220V and 110V power supply equipment? No tag number.

4 Answers  

---

why magnetising curve not start with zero voltage?

0 Answers   TATA,

---

What descriptive information does the NEC require to be marked on all conductors?

0 Answers  

---