Answer Posted / maheskumar

relay is an protecting device it protect only an particular
connected line

circuit breaker mostly used in transmission so it protect
against high voltage line any fault contition circuit
breaker trip the line and protect the device

switch gear it can be used to prodectbusbar with many input
and outputs

What do you mean by distribution transformers?

1214

---

The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

2063

---

What is sensitivity of a measurement?

1182

---

I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

2020

---

what is the method of earthing of a transformer using electrodes?

2333

---

Is RTCC panel needs any control supply.

2109

---

how pt is using

2009

---

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

1781

---

State the other types of Air Conditioners?

2126

---

we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

1582

---

Explain in brief description about the operation of DG sets.

2500

---

Mention the difference between Analogue and Digital circuit?

1180

---

how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

2436

---

What is the real function of reverse power relay in generator panel while syncronising?

2300

---

aternator every parts and its working

1673

---