Why compensation is necessary in feedback control system?

0 Answers  

---

Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

0 Answers   Piramal Healthcare,

---

why core losses and copper losses does not depend on power factor?

5 Answers  

---

is the electrical energy photo copy possible or not???????????? give me some idea about that i m very great full tu u.

5 Answers  

---

Can we use a window type neutral CT instead of a bar type neutral CT. We have an issue with a neutral bar type CT of 800/1 ratio with a Circuit breaker NS800L shneider type, and we want to change it with a window type. Pls advise. Thanks

1 Answers  

---

Transfer function is == ? a. Mathematical model b. System with no physical structure c. Can be calculated through differential equations

1 Answers   CCP,

---

What is 2P*0.5 sqmm screened copper cable and what is the use of it..?

1 Answers  

---

what is the purpose of using filters in a protective relaying scheme?

0 Answers  

---

why single induction motor is not self starter?

3 Answers  

---

Ferranti Effect says that voltage at the receiving end is higher than that at the sending end. How is it possible?

4 Answers  

---

What are the Safety measures in central chiller plant? Explain them?

22 Answers   Carrier, CPIC, HSL, JLL,

---

Brief working principle of fluorcent tubelight,function of starter & choke.

3 Answers   Havells,

---