Answer / sheldon

The purpose of connecting a capacitor in star- delta motor
is to improve the capacitance (specially at the start). So
we can connect the capacitor in star connection, in parallel
to the motor.

why earthing point in the 6amps/16amps socket bigger than the remaining (Phase & Neutral)points.

1 Answers  

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WRITEDOWN FEW RELY CODES

0 Answers   Equate,

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why the pressure coil is not present in the three phase wattmeter?

1 Answers  

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what is difference between KW,KVA,KVAR? also give me the formula for all the three...

3 Answers  

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On what basis primary and secondary of a transformer is chosen?

2 Answers  

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

0 Answers   L&T,

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my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

1 Answers  

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During the testing of Electrical Equipment the test cables should not touch the equipments. For that testing engineers use to cotton rope to hang the cable from measuring Equipment to testing equipment terminal. Please explain the technical reason for this practice.

1 Answers  

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How does a star connection and delta connection work? How does the star connection save starting current and how does it change to delta?

3 Answers  

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If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

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what is the difference between scaler and vector control in drive and where it is to be used ?

1 Answers   Essar, TCS,

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If we tell 60 sq.mm. 3-1/2 core cable,then what does it mean ? 1) Each core section in the whole cable is of 60 sq. mm. 2) The whole cable is of 60 sq. mm. which is sub-divided into 3-1/2 core.

3 Answers   Cura HealthCare,

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