Answer / rvg

Operation theatre using life saving equipments,and even if
there is small leakage, the circuit will trips off and if
it happends during a major operation, it should not be happen.

Answer / bernard zakaria

Why elcb can not work in Telecom DC power plants(-48VDC)?

Answer / abhilash

Operation theatre using life saving equipments,and even if
there is small leakage, the circuit will trips off and if
it happends during a major operation, it should not be
happen.

Answer / pravesh

as we knoe that elcb is earth leakage ckt breaker. it workd
on milli amp. of current in theaters if we use elcb there
may be chances of eath leakge current or may be a current
may flow through the neutral which may cause tripping and
equipment shutdown causing hinderance, so the elcb are not
used in theaters

why CRGO material used in transformer?

2 Answers   Honda, Yazaki,

---

which is the best institute for PLC,SCADA,DCS in hyderabad

0 Answers  

---

Why sip ring used in ac motor also why its not used in dc motor?

2 Answers   RRB,

---

What is duty cycle and protection class?

4 Answers   SISL,

---

which strater used genearalyy???and why???

1 Answers  

---

Motor,transformers,capacitor tubelight etc....

0 Answers  

---

How to calculate phase to phase difference in 33KV Line ,11KV Line etc.

1 Answers  

---

what is transformer

5 Answers   Aegis,

---

What will happen if power transformer designed for 50 Hz is connected to 500 Hz of the same voltage , and vice versa ?

1 Answers  

---

what is the difference between normal motor and flame proof motor??

1 Answers   PI Industries, SRF,

---

How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

0 Answers   L&T,

---

what is a panel board?

1 Answers  

---