Answer / daher

use overload circuit breaker to protect it, thermal
overload protects your motor againts overloading or/and
overthermal switch mount it on the motor stator.

Answer / aditya sharma

Overload relay will be use for overload protection
Different different rating of overload relay

Answer / nikhan

# 1 Motor
Rating Motor F.L.C in Amp
0.25 KW 0.4725
0.37 0.6475
0.5 0.9625
0.75 1.3125
1.1 1.925
1.5 2.625
2.2 3.85
3 5.25
3.7 6.475
4 7
5 - 5.5 9.625
7.5 13.125
9.3 16.275
11 19.25
15 26.25
18.5 32.375
22 38.5
30 52.5
37 64.75
45 78.75
55 96.25
75 131.25
90 157.5
110 192.5
132 231
150 262.5
160 280
200 350
250 437

Answer / kiranbabu

Motor
Rating Motor F.L.C in Amp
0.25 KW 0.4725
0.37 0.6475
0.5 0.9625
0.75 1.3125
1.1 1.925
1.5 2.625
2.2 3.85
3 5.25
3.7 6.475
4 7
5 - 5.5 9.625
7.5 13.125
9.3 16.275
11 19.25
15 26.25
18.5 32.375
22 38.5
30 52.5
37 64.75
45 78.75
55 96.25
75 131.25
90 157.5
110 192.5
132 231
150 262.5
160 280
200 350
250 437.5

How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 Answers  

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want happens when a dc is given to a commutator

2 Answers  

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1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

0 Answers  

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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why we not used 11kva as a direct our electrnics component.

0 Answers  

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what is voltage ?

7 Answers  

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Is it posible to instal one more SMDB from the existing SMDB and is it practical.

0 Answers   CGI,

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If the capacitor feeder is switched ON without any load, is there any display in the ammeter at the incomer?

3 Answers   RTD, Welspun,

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If we know the load for generator in KW then how it will be change to amps and also if we know the load in amps how it will change in KW and what Generator is good for that...suppose load is 500 amps 3phase......??

1 Answers  

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what is the function of commutator in dc motor?

3 Answers  

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what is the difference between earth leakage and earth fault?

0 Answers   L&T,

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What are the different condition monitoring techniques for a motor?

1 Answers   DAE,

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