Answer / subra

Operating voltage primary = 33KV
operating voltage secondary= 400v/230v
capacity of the transformer=?
tap changer =Online or off line
transformer oil cooling sys ONAN or ONAF
vector group=?
Indoor or oudoor tranformer
these are the details to collected

Can 60 Hz transformer be used inplace of 50 hz transfromer?

1 Answers  

---

WHAT IS THE DIFFERENCE B/W BUSHINGS AND INSULATORS? WHAT IS THE CREEPAGE DISTANCE ?

3 Answers   TCS,

---

what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

0 Answers  

---

what is the carona effects meaning in HT line transmmission system

0 Answers  

---

Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 Answers  

---

How we calculate the spacing between the conductors in 11,33KV lines?

3 Answers   NHPC,

---

Define damping ratio.

0 Answers  

---

Instead of single phase(220), if we apply Phase to phase (R&Y)supply (eg: for lighting fixture). what will be the power formula?

1 Answers  

---

what is the difference between 'Control Transformer & Potential/Voltage Transformer'?

2 Answers  

---

In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

---

How reverse power relay sense the power is reverse in the system.

2 Answers  

---

what is per unit calculation?looking for simple and strong explanation thk u

0 Answers  

---