Answer / h r jadhav

when line voltage 480 is used across the primary of step
down trf having secondary is 230 volts then 1 phase motor
will load same current to lv side however it will load the
primary with respect to tf ratio. so if u have tf rated 10
amp for primary it is welland good.and if it is for
secondary it is well.

What is maximum demand and contract demand?

5 Answers  

---

why we used.c source in the field of the alternator , why not a.c source.

1 Answers  

---

Why semi-conducting insulation is used in XLPE cables?

1 Answers  

---

what is the range of thermal overload and over current. Answer should be in percentage of current.

0 Answers   RMSI,

---

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 Answers  

---

---

The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

0 Answers   GATE,

---

what is frequency response?

0 Answers  

---

In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

0 Answers  

---

why the conservater tank alwes made upper side of transformer???

3 Answers  

---

What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)

0 Answers  

---

why we commonly use delta star winding in power and distribution transformers

7 Answers  

---

If o/p power is doubled by how much does the sound increase

0 Answers   Flipkart,

---