Answer / pillay

it should be preventive maintenance,
what transformer.
any way like usual electrical installation.
1)check all termination for good fitting and sign of any damage
2) Check all insulation.
3) check all other associated equipments like cooling fans
thermometer. protection relays .
4)check for physical condition of the transformer for rust
or leaking oils
5) check for condition of the insulating transformer oil,
bushes and connecting cables and switchgear.

what is meant by surge? what we called for high currents?

0 Answers  

---

how to calculate the formula of cable size if motor kw is given

0 Answers   APT,

---

WHAT WILL HAPPEN IF WE START A MOTOR WITH STAR & IT IS RUNNING WITH STAR CONNECTION INSTEAD OF DELTA

3 Answers  

---

What is PCCB?

3 Answers   ICEL, Schneider,

---

what will happen if i commission a transformer without connecting the neutral?

2 Answers   L&T, Sail,

---

Starting current of a 10 HP induction Motor is ______ time’s full load current.

0 Answers  

---

If connected load of Asphalt plant is 375Kw. What suitable KVA DG set is required. What is calculation formula. what extra load have to consider. in what efficiency it will work.

8 Answers   MAHINDRA,

---

State the types of distortions in amplifier?

0 Answers  

---

how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

1 Answers   Bhel, Wartsila,

---

why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

---

what is the abbreviation & meaning of UI charges

1 Answers   MNC,

---

To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors

0 Answers  

---