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.

How to select KW/HP rating of motor for particular application? Is there any relationship od RPM?

1 Answers  

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What is the 415V AC Soft starter? Explain with an example?

1 Answers   TCS,

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What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

0 Answers  

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The maximum demand of consumer is 2 kW and his daily energy consumption is 20 units. Its Load Factor is (1) 10.15% (2) 41.6 % (3) 50 % (4) 60%

2 Answers  

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i have 400/230v transformer and didnt done the neutral eatrhing. i connected one lamp to one phase and neutral to the earth. but the lamp is not glowing. again i connected neutral to earth and repeated the same. then the lamp is glowing. in the first condition i tested with a line tester also, at that time the tesrer is glowing what is happening i dont know can any one help me?

1 Answers  

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difference between temperature sensor and temperature switch

3 Answers   ABB,

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What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

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what is reluctance?

11 Answers   TCS,

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what is neutral?

2 Answers  

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what mean ohm

1 Answers   Shoba Devlopers,

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what will happen if we give a dc supply to a transformer.?

10 Answers  

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why holding contact is not using in VCB and ACB breakers?

1 Answers   Cethar,

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