Answer Posted / k.prakashchandra

Series motor while starting is OK. But how to vary the speed
while running ? Is change over to shunt connection done ?

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1541

---

How to calculate MCB Breaking capacity.

1438

---

why they were using TRIAC instead relay in some controllers and what is the advantages.

1965

---

please send me the L&T Emb. sys. placement papers and entire details of pattren

2274

---

What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

1979

---

why do we have spikes enough to burn electronic boards, when generators are not grounded

1752

---

how test transfomer(3 phase75kva) by megger

2050

---

HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

2001

---

what is acceptance test in electrical engineering.

2103

---

How shall i select the value of capacitor or inductor in a system?

1851

---

I want to put this query to SENIOR & EXPERIENCED ELECTRICAL ENGINEERS. 1)I want to know about the control circuit diagrams for control panels. I found it difficult to understand. Is there ant booklet through which we can learn the circuit diagrams? 2)I want to learn about conduiting, laying cables, preparing cable schedules and various techniques which is the part of building infrastucture(construction field). I don't have any experience in this area. I have experience in control panels only. that's why i am not getting any opening in building infrastucture (construction field).Can I get the job in this field as Trainee Engineer? How to enter this field? I need job in PUNE

1885

---

why we used dc supply for field in dg set

2335

---

by what factor the starting current is used when comparing star and delta connection for motor starting?

2016

---

What is error of a measurement?

1148

---

My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

1547

---