Answer / vinayak

the basic difference between the load break and vacuum
circuit breaker is the arc quenching media or mechanism.
In load break switch the arc is quenched by lengthening
using arcing horns, whereas in vacuum circuit breaker arc is
quenched by the removal of the metals vapors from the media
which are created by the separation of the contact.

How can w select the cable size for different rating load & also waht r factors affecting the during selection of cable?

11 Answers   AB Inc, Bosch, BRB Cable, Lucas TVS, Trisome Technical Services,

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Generally in AC we consider voltage, frequency and phase sequence for parallel operation ... Can we parallel two DC battery chargers? If yes, then what precaution to be taken when we parallel two DC power?

5 Answers   Reliance,

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2 Answers  

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why there is 1 phase and 3 phase but not 2 phase and 4 phase?

3 Answers  

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why knee point voltage should be high in Ct for differential protection

1 Answers   NTPC,

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The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 48

1 Answers  

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what is the problem of generator over voltage.?except automatic voltage regulator card

2 Answers   Siemens,

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0 Answers  

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what is floating charger and boosting charger?

4 Answers  

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WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

0 Answers   Lanco,

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how is the leakage current flow only through guard wire (when guard wire is connected in the circuit)????

2 Answers  

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