What is the minimum permissive IR value for LT & HT motor for safe starting?
- 1 Answers
- 4257 Views
- Rukmani, I also Faced
- E-Mail Answers
Answer Posted / vinoth
IR means Insulation Resistance. basically IR value need is ( Rated KV+1 ) Mohm.
For eg if motor rated voltage is 11Kv then we need IR value has 12Mohm.
Minimum 1Mohm is sufficient to start LT motors.
For HT Motor- ( Rated KV +1)Mohm
it is very suffient to start motors
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
What is pi controller?
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
what are the application of over current relay?
what are the applications of TIG welding
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.
What is the general system requirement of alternator?
errection check list for transformer maintenance
best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?
can i use the six sigma method which is used in management area, in state estimation of power systems?
AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?
i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com
What is the function of under voltage release ?
CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor
why we can use 1 to 5V dc
what is the working process of over & under voltage relay.
