Why compensation is necessary in feedback control system?

0 Answers  

---

what is meant by class 1 E in electrical power supply?

0 Answers  

---

Before given the connection to Alternator (pre- commissioning) which tests we will conduct

1 Answers  

---

what are the types of basic earthing?and why we are doing that?

3 Answers   Bharti,

---

why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

4 Answers  

---

What do you understand by external characteristics of a d.c. Generator?

0 Answers  

---

We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

---

In the diesel generator if there is an AVR (auto voltage regulator) gone faulty, in this condition is there any way to generate the voltage from the alternator? I need a brief explanation can you please help somebody

1 Answers   Vodafone,

---

For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

---

Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

0 Answers  

---

What are different types of control systems?

0 Answers  

---

why the crow do not feel the current in overhead line when it sits on the wire??????

6 Answers  

---