Answer / lakshman

rvt is residual voltage transformer. it is used for protect
from un balance voltage in circuit

Answer / mukesh panchal

RVT (residual voltage transformer) basically used for capacitor bank protection by detecting neutral to ground fault condition on star type connection.

Answer / r.k. banerjee

for protection of capacitor bank
to measure neutral earth faulti current
cbct instead of rvt not desired

Answer / aha

CBCT (core balancing CT can also be used instead of RVT

The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?

3 Answers   MPSC,

---

what is effect of length of air gap on performance of dc motor and generator?

0 Answers   DEI,

---

How to model two generators into a single generator ? Eg. two generators connected to a bus, would like to model it as a single generator connected to a bus.

0 Answers  

---

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

0 Answers   VECL,

---

why use -48 volt DC power in telecom?

3 Answers  

---

What are the causes ,revers rotation of a kwh meter?

2 Answers  

---

what is the difference b/c choke and ballast?

1 Answers  

---

What are types of losses in the Transmisson Lines ?

4 Answers   GE,

---

The size and construction of bushings in a transformer depend upon?

0 Answers  

---

Can we use shunt trip coil instead of trip coil with protection relay for protection?

0 Answers  

---

why are we using resistor in NGR ?

1 Answers  

---

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

0 Answers  

---