Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

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If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

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what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

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Please give me a erda placement paper

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how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

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how to find motor contactor rating and bimetalic relay rating? of 30kw motor which will operate on star-delta starter?

6 Answers   HCC, L&T,

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can anibody tel me on what basis the transformer vector groups are determined????

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Where all & Why resistance grounding is required?

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in electrical fire which group fier Extinguisher as used

6 Answers  

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Ohms law explain

1 Answers   Hetero,

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how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

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What should be the overcurrent, instantaneous overcurrent, short cicuit current settings (i.e. how many times of motor full load and what is the time duration) for a motor?

1 Answers  

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