Answer Posted / prabhakar

Semi automatic starters will be opreated manouly which will
trip only on high voltage

fully atomatic starters will work with level
control ,timers and single phase priventers so it is fully
automatic

hi i will D.E.E.E.is completed pls send rrb diploma old qustion papaer sent in my e mail. i.d.

2314

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what is mean by D.O. in distribution line poles?

1634

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How wire size can define in electrical wiring? What is the ratio?

2275

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In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

2128

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Why compensation is necessary in feedback control system?

1334

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why tertiary winding is used in transformer with diagram?

2238

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I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

2123

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technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1957

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why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??

2018

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can any one tell in easy method for circulating current ??

2118

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Explain RLC circuit?

1154

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Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

2175

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1586

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how to calculate kvar in Akiva

1923

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What are the different types of controllers?

1055

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