Answer / akash

Power Relay is to control AC contactors with no-nc and Reverse Power Relay is used to trip the system when there is any wrong phase is coming. It is usually used in 3phase motors.

Answer / deepak.vin208

Power Relay will operate when the power is more than the set irrespective of the direction where as reverse power relay will operate when the power is transferring the opposite direction...

How it can worked plc based electrical system And which type of software using.

0 Answers   ITC Infotech,

---

what is the concept of directional power?

0 Answers  

---

How can calculate the rating of a servo stabilizer for given a specific load

0 Answers  

---

operation of protection relay watchdog contact?

0 Answers   L&T,

---

The size and construction of bushings in a transformer depend upon?

0 Answers  

---

Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?

2 Answers  

---

Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

0 Answers   PCSB,

---

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

0 Answers   ONGC,

---

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

---

What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

0 Answers   Bhad Engineers,

---

what is the formula for AH?HOW CAN IT CALCULATE

1 Answers  

---

What is the importance of Form B to state Electricity Boards?

1 Answers  

---