what is the difference between single phase, 2 phase, and 3 phase in electric meter?

1 Answers  

---

what is mean by dual digital protection in the relay field?

0 Answers   ABB,

---

What is the difference between phase current & line current, how both can be measured in star and delta system

9 Answers   Doshion, MIT,

---

difference between isolator and circuit breaker?????

7 Answers   Enercon,

---

what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

---

WHICH IS BETTER( FOR POWER SAVING)- ON LINE OR OFF LINE UPS ?

3 Answers   Punjab National Bank,

---

When we use 3 terminal resistor?

0 Answers  

---

WHAT WILL HAPPEN IF INPUT SUPPLY OF RCBO IS CONNECTED TO OUTPUT SIDE

2 Answers   ABG Shipyard,

---

What is burden of a current transformer. What is function of core in Transformer

1 Answers   Jindal Steel and Power, NCC,

---

what are the range of memory address in plc for L&T lx7 4A

0 Answers  

---

what is vfd?

2 Answers  

---

How open delta used for protection?

4 Answers  

---