what is different between relay and plc?

3 Answers  

---

what is an impedance & inductance ?

4 Answers  

---

Motor and transformer working with same principle so why motor rotates while transformer not?

7 Answers  

---

When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 Answers  

---

Difference between low impedance and high impedance Restricted Earth Fault

0 Answers  

---

What happen when increese more than 50HZ fequincy.

5 Answers  

---

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

0 Answers  

---

what is the KVA formula of a three phase transformer

5 Answers  

---

for compensate 315mh inductance ,how many capaciance required?

0 Answers   Mitsubishi,

---

Transformers with dc supply

4 Answers  

---

For two systems transmitting the same amount of real power, the system with the lower power factor will have higher circulating currents due to energy that returns to the source from energy storage in the load.???

0 Answers   Bhel,

---

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

---