Answer Posted / ifthekar ahamed

Load on the machine

i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

2058

---

What is thresh hold value of current?

2083

---

how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

2277

---

What is Tachometer used to measure?

1176

---

How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1677

---

What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

2176

---

why need to be maintain power factor for industrial customer?

4941

---

How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

2045

---

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1399

---

Why are iron cores in transformers made laminated?

1046

---

what is the minimum voltage require to injure our body?

6735

---

what is the difference between directional & non directional earth fault with example please explain.

1792

---

-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

1743

---

Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.

1707

---

Give the topology of current amplifier with current shunt feedback?

1169

---