What is thermal overload relay
Answers were Sorted based on User's Feedback
Answer / dharmendra mathur
If an electric motor contineous run. So motor will become
hot. So various safety devise are available for tripping an
overheated motor before it become damage or burnt from
excess heat.
Is This Answer Correct ? | 10 Yes | 2 No |
Answer / srinivasa chary
Thermal relay is used in DOL starter to protect the machine
from excessive current when it is over loded...esspecially
incase of low HP motors.
Is This Answer Correct ? | 4 Yes | 1 No |
WHAT IS THE DIFFERENCE B/W BUSHINGS AND INSULATORS? WHAT IS THE CREEPAGE DISTANCE ?
How to reverse the direction of a DC motor ? By reversing the Armature wires or by reversing the field wires
does the power factor of an induction motor improve upon used in parallel with a synchronous condenser , used commonly to provide a leading kva ?
why we cannot protect 100% winding of an alternator by using differential protection?
can we use engine degreaser for electrical motors?
WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR
what is an isolation transformer??? what is its purpose??? what happens if it is not used where it should be used?????
In 6600/√3/110/√3v voltage transformer,how much output voltage in open delta transformer,after removing 1-phase of primary side on transformer?
Phase control and integral control are used for?
How to calculate electrical Induction motor heating and cooling time constant,11KV,2850,12P,SCIM
Which type of transformer is used for lighting loads?
Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m