hello freinds what is advantage and disadvantage of plc again dcs?

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In industries Power factor is maintained by installing a suitable KVAR bank, How is the PF maintained for domestic use, where is the capacitor bank connected

3 Answers  

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how to reduce earth resistance in sandy soil.

1 Answers  

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Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?

4 Answers  

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If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

7 Answers   IOCL,

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Is there any local or International standards that prohibit the installation of earthing pit in the planters area where the earthing pit is subject to continues soak in water?

1 Answers  

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what is the effect if we add capacitor on DG supply, it has any loss or benefit.

6 Answers  

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IN A SMALL D.C GENERATOR, IF WE REPLACE THE LAMINATED CORE ARMATURE WITH A WOODEN BLOCK OF SAME SIZE & SHAPE AND WIND WIRES WOUND ON THE SLOTS OF WOODEN ARMATURE AND CONNECTED TO THE COMMUTATOR.COMMUTATOR IS FITTED WITH BRUSH TO RECEIVE INDUCED E.M.F.WHETHER E.M.F GENERATED OR NOT?

3 Answers  

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why the pressure coil is not present in the three phase wattmeter?

1 Answers  

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Why two phase welding machine is used instead of three phase welding machine.

0 Answers   Merck,

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Hoe do calculate the Cable size for Amps rating ?

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For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

0 Answers   Caterpillar,

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