I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

What is the function of induction motor when low voltage is apply.

6 Answers  

---

Why the suply frequency in INDIA is 50HZ

2 Answers   HCL,

---

Is your generator is automated or manual if so do you know the circuits?

7 Answers   RRB,

---

HOW CALCULATE MOTOR KW, IF MOTOR NAME PLATE MISSING, WE FIND ONLY MOTOR WINDING RESISTANCE ONLY

1 Answers  

---

how ship earthed?

5 Answers   Marico,

---

why we are using R,Y,B colours for 3 Phase ?

4 Answers   ITC Infotech,

---

does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

---

Define heating time constant of electric motor.

3 Answers  

---

to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

---

What is corona ? Mention its positve effects .

1 Answers  

---

why Copper loss is represented as I square R ?

5 Answers   L&T,

---