Interested to Buy Any Domain ? << Click Here >> for more details...
starting torque is increased and current is decreased by
using external resistance in a slip ring induction motor.
How??
- 3 Answers
- 7687 Views
- I also Faced
- E-Mail Answers
Answer Posted / nilkanth tailor
THEIR R BASICALLY TWO TYPES OF INDUCTION MOTOR
1) SLIP RING I.M.
2) SQUIRREL CAGE I.M.
GENERALLY, IN HIGH STRATING TORQUES MOTOR(DC SERIES
MOTOR) HAS HIGH STARTING CURRENT, AND ITS VERY DIFFICULT TO
CONTROL THAT CURRENT...BUT IN SLIP RING I.M THIER IS HIGH
TORQUES PRODUCE WITH LOWER STARTING CURRENT THAT IS MAIN
ADVATAGE...
THE MAIN DIFF BET. SLIP AND SQUIRREL CAGE I.M. IS THAT
1)The rotor of the slip ring motor has more windings than a
squirrel-cage rotor so that induction voltage is higher and
the current for the same field strength lower.
2)During start-up the a typical rotor has 3 poles connected
to the slip ring. Each pole is wired in series with a
variable power resistor.
3)During start-up the resistors reduce the field strength
in the stator. As a result the inrush current is reduced.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?
how to select battery for 15 KVA UPS with formula
how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors
Maintenance of transformer???
How 3 phase invertor works?
design a 3 bit synchronous and asynchronous counter using T- flipflop
Classify drilling machines.
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
what will be project cost for 100 kv transformer connection under oyt scheme.
After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?
how can tell us the AC indoor or outdoor which Tr and formulls
i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....
in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.
What is inrush current?
