Answer / niyaj

PLC is a control device .It Should not monitoring the
process.and SCADA is graphical monitoring device it should
not process any control activities.SCADA interface with PLC
for real time Control & Monitoring purpose.

what is the difference between oil surge relay and buchholz relay.

0 Answers   MPPEB, Suparco,

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what r the tests on the 3 phase transformers can any one explain how to test using megger on transformers thx

2 Answers  

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why phase & neutral is use in tv? why earthing not use ?

2 Answers  

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what is different between IP55,IP54 and IP66?

2 Answers   ABB, Global Industries,

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Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

0 Answers  

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3 Answers  

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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What type of changeover switch needed to run a load of five 1.5 tonn ACs.

1 Answers  

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how is capacitor bank look like

0 Answers  

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usually why bettery voltage are 1.5V, even if you open a 9V battery there are six 1.5V batteries in series. is it not possible to increase this voltage other than putting in series

1 Answers  

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Define phase cross over?

0 Answers  

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Fault current shall be part of tech specs of power cable or not?.

1 Answers   DAE,

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