Answer Posted / n.r.biswas

The brunch of engineering which deals with current
conduction is only through conductor is called electrical.
And the brunch of engineering which deals with current
conduction is through gas, vacuume and semiconductor
devices is called electronics.

why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

1856

---

If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

1439

---

If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

1639

---

explain working principle of earth leakage relay

3709

---

Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1981

---

what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

2107

---

Why 9KV surge arrester having 7.65KV of MCOV?

1576

---

what is interpose? where it is used and why it is used?

1063

---

what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1984

---

Define phase cross over?

1136

---

how to calculate the lightning arrester conductor @ no of earth pits required

2125

---

explain all the classes with example

1967

---

Which standard we are following earthing resistance test

1417

---

. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

3349

---

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

1976

---