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.

why moisture formation found in XLPE Armoured cable outer sheath

0 Answers  

---

hoe we can exlain the effect of caoacitor in fans????????

1 Answers  

---

Graphs of measuring power and speed on dc motor

0 Answers  

---

what is the difference between OSR and BUCHHOLZ relay of transformer?

1 Answers   Bhushan Power Steel,

---

what effect will 10 milliampere current cause to human body

1 Answers   NPCIL,

---

---

How we can defined theecopper cable size if we know the aluminium cable size?

0 Answers   Cummins,

---

size of condotory fron voltage level

0 Answers  

---

what is the difference between thyristors and capacitors

2 Answers   DRDO, ETE,

---

in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

1 Answers   Gasal, Voltech,

---

what type of cables exsisting in the world and how many types

9 Answers   Alstom,

---

what is DG A,B,C,D check?

1 Answers  

---

What is the difference between indoor and outdoor transformer

0 Answers   Ama Airfield Lighting System,

---