how a DC clampmeter works if DC cant b step up r down?

1 Answers  

---

Suppose am having the PF value .8, so how can we say that is it lagging or leading?

11 Answers   Bhel,

---

what is booster? and how it is connected in a circuit?

0 Answers   APTransco,

---

What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?

0 Answers   BFL,

---

In Slip ring Induction Motor we use Liquid Rotor Starter for Starter Every Time Liquid Filling we need add Soda Sodium Carbonate or only Distilled water is Enough.

2 Answers  

---

Define pole pitch?

0 Answers  

---

Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

0 Answers  

---

What is the difference between a fuse and a breaker?

0 Answers  

---

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

0 Answers   US Electrofused Minerals,

---

why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 Answers  

---

800A 22KV TP OCB. explain

1 Answers  

---

differentiate PLC,DCS,SCADA?

1 Answers   SAS,

---