Do you have any P.L.C in your organization?

12 Answers  

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why not starting switch first connect in direct on line starter?????

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

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Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

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what is the usage of microcontroller in the panel board?

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What is the difference between electrical earthing and electrical grounding?

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In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

0 Answers   PCE,

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how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

0 Answers  

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why the measure taken in multiplication factor of 11for voltage like.. 110V,220V,440V,1.1KV,6.6KV,11KV,33KV,66KV,110KV,132KV,220KV

1 Answers   Vijai Electricals,

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What happen if we re-start H.T motor whose rotor is running at 40% rated speed. Is it will damage motor winding?

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what is phantom load, Give any example

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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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