Answer / sri krishna

we kannot strt a 1phase motr with out kapacitr, since the
1phase motrs are not self strtng.

but without kapacitr , we kan rotate 1phase motr in either
direkt, by giving some xternal torque to the motr shaft at
at the tym of strtng.

Answer / piyush yenkar

either change the terminal of 'main winding' or 'auxiliary winding' but not both.
To say directly that you can not start a 1phase motor without capacitor is ot right.We can go for 'shaded pole motor' .but the direction of shaded pole motor can not be reversed.

how can decide the current rating of oltc

0 Answers  

---

a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

1 Answers   GATE,

---

Meaning of CTPT ,how it works &how it measures the reading on trivecter meter,&what is trivecter meter

1 Answers   PF, Student, TSSPDCL,

---

how many types of ct retio

3 Answers  

---

pls give me brif explaination about the distance relay.

4 Answers  

---

by what factor the starting current is used when comparing star and delta connection for motor starting?

0 Answers  

---

what the different between earthing and grounding?

4 Answers  

---

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

0 Answers   ONGC,

---

How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

0 Answers  

---

How to know motor winding is star or delta connected without see the information table and winding connection ?

5 Answers   NTPC,

---

What is high frequency grounding????Applications........

1 Answers   Emerson,

---

How many points does a Circuit can have?

0 Answers  

---