What is the need for a controller?

0 Answers  

---

What is negative sequence over voltage element?

0 Answers   Green T&D,

---

What is the main feature of v/f control?

1 Answers  

---

what is the principal of star delta starter?

9 Answers  

---

How the size of transformer decreases if we increases the frequency?

2 Answers  

---

Can an inverter be used as a converter? How?

0 Answers  

---

why Ac current is alternating in nature?(or)why alternating current changes its direction?

3 Answers   APGenco,

---

why we use CVT (capacitive voltage transformer)in switch yard?

5 Answers  

---

For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 Answers  

---

if we keep frequency constant can we cal a synchronous generator as a dc generator

2 Answers   Cummins,

---

IN A DY11 GROUP DISTRIBUTION TRANSFORMER WITH NEUTRAL EARTHED, WHAT WILL HAPPEN TO THE SYSTEM VOLTAGE & THE EQUIPMENTS IF EARTH GETS OPEN ON LOAD?

2 Answers  

---

Why does the power consumed is always constant even if a fan speed is altered?

5 Answers  

---