Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / anujmipsl
in star delta starter,there are three contactors,one timer use in them, when we start the starter in starting star and main contacter is on after 5 seconds star contactor is going to off mode through the timer setting, and afterall main and delta contactor is on position, when star contactor is on motors current is increasing slowly, if this motor is not running at this position for long time, so after the timer setting it will going to delta position in delta position it will taking a normal current
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
Where burned of electricity,when,who, & why.
WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.
Write a note on Treatment for electric shock.
which connection is safer series or parallel?usually which connection we prefer at home?
The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
What are the material used for inductance coil?
what is the safty of poly phase tranformer?
how to control dc motor?
If we want to change a contactor of faulty one what are the conditions want to fullfil
What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?
What are approaches to tackle sedimentation problem of reservoir?
As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
how we can calculate the efficiency of a diesel generator ?
