what difference beetwin phase voltage & line voltage and phase current& line current ?

1 Answers  

---

what will happen if we double the input frequency of a transformer keeping the voltage constant?

6 Answers  

---

Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

---

What is ERD used in Elevators??

1 Answers   Emerson,

---

CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS

0 Answers  

---

---

WHATS THE NEED OF CT INPUTFOR AN VAPM TYPE METERING PT FUSE FAILURE RELAY

1 Answers  

---

what are the types of sus station ?

13 Answers   NTPC,

---

state application of relay in transmission line?

4 Answers  

---

what is the difference between elcb and rccb ?

0 Answers   Trident,

---

what is the definition of Nominal current or voltage

1 Answers  

---

what is the principle of switchgear and its function

1 Answers  

---

In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

---