what is differential relay in power transformer??

8 Answers  

---

In a 11Kv/433Volt Delt-star step down transformer one one line(Line-B) of HT site is open & earthed on DP structur. What will be the voltage on LT side R-Y, Y-B,B-R and R-N, Y- N & B-N?. Please help to understand the problem with examples. Arvind , Jaipur.

1 Answers  

---

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

---

what is the difference between earth and neutral?

1 Answers  

---

What is Primary and Secondary Injection Test of CT and Relay.

2 Answers  

---

---

Simple calculation of improving power factor?

5 Answers  

---

can induction motor becomes as a generator. if yes how it is possible. if there is a squirrel cage rotor.

6 Answers  

---

in a live circuit with a light bulb such that the bulb is off by a switch, is the light glows if the switch 2 terminals are both touched by a mouse?

1 Answers  

---

what is balanced network and unbalanced network

1 Answers   Nalco,

---

How could a garment factory benefit from renewable energy

0 Answers  

---

Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 Answers  

---

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

0 Answers  

---