Answer / sathish

in india we are using siemens , allen bradley & ABB.. most
properly all r using siemens

Answer / sunil kaushik

high hz power line carrier communications is used in india

why should we have to maintain pf in our site 0.9????????

3 Answers   Dalkia,

---

. The string effcy in AC sys is 80% Then for same power, the string effcy in dc sys is a) less than 80% b) 80% c) more than 80% d) zero

1 Answers   Engineers India Limited,

---

my question is that....few days ago i had installed a three phase motor starter for an electric saw.the motor will run and make the hydraulic pressure which will be goes to pressure cylender by up and down lever.two number of limitswitches are also installed on cylinder for safety of motor.now when the arm of cylinder reaches to the upper or lower limit it will cut the motor's line.and motor will be stop.now wana know that what will i do that motor runs continue after the limitswitch cut it down but it shold not be made any pressure.pls answer me in brief.

3 Answers  

---

How to calculate CT ratio for 11KV 1500KVA Transformer 500KVA MD and 1400KVA connected load ? Note:- As per MSEB(Maharastra state electricity Board)

1 Answers  

---

What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

---

---

what is over frequency protection

1 Answers  

---

how many electricity poles are there and what are the names and their sizes.

0 Answers  

---

What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

---

what is strip power factor?

0 Answers   TATA,

---

explain the meaning of harmonic resonance

0 Answers  

---

Abb 11kv how it is closing automatically when the cb is racking in and rack out when it reaching test position

1 Answers  

---

diff. between tension mode & speed mode

0 Answers   BSL,

---