Answer / ramireddy

if we give ac to rotor of alternator ,for positive half
cycle one pole act as north and anothor work as south. for
another half cycle same pole act as south and another act
as north so no rotation of rotor takes place. machine does
not start

Answer / karthik

it is like giving a pulsed dc with either polarity. so
voltage at the output of the alternator will be of high
frequency may be normal frequency*frequency of excitation
to rotor.

Answer / pintu sain

it wil work as synchronous motor

lamination figures

0 Answers  

---

Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

0 Answers  

---

Going in for a three phase motor or a single phase motor, what factor should be considered for this? For eg., to pump water to certain height and such domestic applications, which motor is suitable?

1 Answers  

---

WHat is the general checks required for Dry type transformers

0 Answers  

---

what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????

1 Answers   Reliance,

---

Classify driling machines.

0 Answers   Essar,

---

what are clipper and clamper circuits?

2 Answers  

---

why we connect the capacitor bank in star , not in delta in any system

2 Answers  

---

how to handle 2500 kva transformar

0 Answers  

---

For a load of 40HP induction motor.what will be size of Armoured copper cable require to connect the motor to starter in Star-Delta?

1 Answers   CG,

---

What device is use for metering current at lt consumer end..??

2 Answers   Power Grid,

---

Why and which type of tertiary winding is used in most of the power transformer?

2 Answers  

---