how to improve IR value in HT motors?

Answer Posted / k.prakashchandra

It is not possible to improve IR value as insulation can not
be injected.You can remove the water contents by heating the
coils by making full load current pass through ,using 3
phase dimmer-stat with rotor locked.

Is This Answer Correct ?    15 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the advantages of skewing of cage rotor conductors?

725


What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1387


Approach of a cooling tower is the difference between temperatures of what factors?

622


What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

1577


explain working principle of earth leakage relay

3083






what is the role of transistor in Circuit?

679


Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

1209


draw singleline diagram of star to delta and dol starters

1800


what is the maximim current drawn by 1 phase and three phase welding machine

1454


what will be the min and max voltage flow from neutral to earth?

956


How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

2889


If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

1148


How to megger test 11 kV cable and the acceptance IR value

2453


I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

1420


what is static frequency converter?what is the function...of sfc...?

1765