Answer / hrishikessh

RS 232 is the cable or Rs 422 or ethernet port can be used
to connect controllers like motion controllers or
microcontrollers, or PLC's.

These are serial I/O cables. used

what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

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Sir I want questions for rrb sec technician gr III (electrical)

1 Answers   RRB,

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Can HT cable(11kv cable) be used for 415V, 700A requirement.

5 Answers  

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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

0 Answers   Ispat, Red Bull,

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1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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How can we calculate single phase load into three phase load

2 Answers   Jindal, Tanfac,

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improve power factor by : 1)shunt reactor 2)shunt capacitor 3)series capacitor 4)series reactor

2 Answers  

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Any website for objective type questions of electrical engineering ?

4 Answers  

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Is 3 phase induction motor can work as a generator?? if so why & how??

2 Answers   Jindal,

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How will polarity test of Dy5 Transformer ?

0 Answers  

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

0 Answers  

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What is a compensator?

0 Answers  

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