Answer / k.prakashchandra

If other 2 phases are OK ,it may be due to open circuit in
that phase.If other 2 phases show 50% ,it may be due to one
phase missing in the primary of substation power transformer

Answer / ambai algates

if 1 phase open the unbalance current is flow through
neutral , so its exit the setting bkr trip .if there no
load you got 230v only in phase to open phase

Answer / akash`

check your high tension line d.o.if three d.o. is ok then
substation problem not coming one phase means single phasing
problem call it

State kirchoff current law?

0 Answers  

---

What is the difference between INVERTER and UPS?

7 Answers  

---

why high speed tripping relay will be used in tripping circuit why not normal relay

0 Answers  

---

how does high earth to neutral voltage affect electronic equipment?

0 Answers  

---

How to improve fuel cell in a distribution system?

0 Answers  

---

IN MCCB AND MCB TERMINATIONS ARE IN-COMING ON TOP AND OUT GOING ON BOTTOM,IF WE TERMINATED INTERCHANGED TOP AND BOTTOM ITS WORKS?

2 Answers  

---

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

---

why some transformer without breather.

1 Answers   GTS,

---

Is there any relation between transformer capacity and its bdv?

1 Answers  

---

difference between servo motor and synchronous motor

0 Answers   Hitachi,

---

difference between load bus and dead bus?

4 Answers  

---

why used in starter in tube ligtht circuit.

4 Answers   College School Exams Tests, HP,

---