How autotransformer can be used as a starter

  • Thread starter Thread starter Walli Bhatti
  • Start date Start date
  • Tags Tags
    Starter
Click For Summary

Discussion Overview

The discussion centers on the use of an autotransformer as a starter for a 5000hp motor with a voltage rating of 11kV. Participants explore the operational characteristics and tap ratings of the autotransformer, as well as its application in starting large motors.

Discussion Character

  • Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants inquire about the specific application of an autotransformer for starting a 5000hp motor rated at 11kV, noting the tap ratings of 50%, 65%, and 80%.
  • One participant suggests that the effectiveness of the autotransformer starter depends on the load and torque-rpm characteristics of the motor.
  • A link to a Wikipedia article on the Korndörfer autotransformer starter is provided for additional context.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the specifics of how the autotransformer can be utilized as a starter, and multiple viewpoints regarding its application and effectiveness remain present.

Contextual Notes

The discussion does not clarify the assumptions regarding the motor's load characteristics or the specific operational conditions under which the autotransformer would be employed.

Walli Bhatti
Messages
6
Reaction score
0
how autotransformer can be used as a starter for 5000hp motor voltage rating 11kv, as autotransformer has the tap rating of 50, 65, 80 prcnt
 
Engineering news on Phys.org
Walli Bhatti said:
how autotransformer can be used as a starter for 5000hp motor voltage rating 11kv, as autotransformer has the tap rating of 50, 65, 80 prcnt

Why do you ask?
 
  • Like
Likes   Reactions: davenn
berkeman said:
Why do you ask?

LOL, I can see where this is going :rolleyes::wink:
 
Depends on the load and torque-rpm characteristics of motor
 

Similar threads

How does back EMF contribute to the operation of an autotransformer?
  • · Replies 64 ·
3
Replies
64
Views
8K
Can you damage your starter motor with too much current?
  • · Replies 23 ·
Replies
23
Views
18K
How does using a 12v starter motor on 24v affect power and current draw?
  • · Replies 5 ·
Replies
5
Views
7K
Motorcycle starter safety circuit
  • · Replies 11 ·
Replies
11
Views
5K
Turbine ECU starter voltage drop
  • · Replies 1 ·
Replies
1
Views
2K
Is It Logical to Use a Generator to Produce and Share Electricity to the Grid?
  • · Replies 13 ·
Replies
13
Views
2K
How does a Permanent capacitor motor actually work?
  • · Replies 7 ·
Replies
7
Views
2K
Phase to Phase vs Phase to Neutral
  • · Replies 4 ·
Replies
4
Views
9K
Series motors, switched to parallel
  • · Replies 15 ·
Replies
15
Views
2K
How can I protect my DC series motor starter from frequent damage?
  • · Replies 18 ·
Replies
18
Views
5K