Answer / karim

Cable Size calculation:

1. Calculate total (maximum) load current.
2. Add extra margine 40-50% in Total Current calculation.
3. Select cable according to current carring capacity from
cable manufacturer manual.

can we use ordinary transformer in place of autotransformer?give reasons also

1 Answers  

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i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

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what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

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what is the difference between old fan regulator and new fan regulator

1 Answers  

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Slip at maximum torque depends on A rotor resistance and reactance B stator reactance C load current D stator resistance

1 Answers  

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What is the GNA & MNA in armature reaction of Dc Generator

2 Answers   Khetan,

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I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

0 Answers  

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I have an enquiry of develop solar power plant, 0.69/11kV, 1500kV/750/750kVA, Dy11y11 Transformer. I want to know what does 1500kV/750/750kVA means? Sorry if this is a noob question.

2 Answers  

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which type of ICs can be used in resonant power converter?

1 Answers  

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Explain marx circuit.

0 Answers  

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How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.

0 Answers   vssc,

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