what is relay what is protection & contact multiplying relays where it is used function in brief

0 Answers  

---

how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

1 Answers  

---

WHY FEEDERS TRIP IN COLD AND FOGY WEATHER?

2 Answers  

---

What is the meaning of 'A synchronous motor floating on line'?

2 Answers  

---

define digital electronic

0 Answers  

---

---

As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

---

i have 3500 amp load and select current transformer and perches.how i calculate .please understand

0 Answers  

---

What is the fuction of surge arrester and surge suppressor? Modern days line designes are based on which surge?

1 Answers  

---

what is the difference between earthed cables and unearthed cables

2 Answers   Bhel,

---

Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

0 Answers  

---

How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

0 Answers  

---

how do we calculate cable sq mm size,that if 50 A load

2 Answers   GTL, PowerTech,

---