Answer Posted / dhanshri narayane

Plc is the individual computer control system that continuously monitors the state of input devices and make decisions based on custom process and monitors state of output devices.

SCADA is Supervisory Control And Data Acquisition is a system for remote monitoring and control that operates with coded signal over communication channels.

What is the difference between line drop and percentage line drop?

1514

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1789

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raleigh method

2029

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Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

2142

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What is the difference between rulling span and wind span of of an Over Head Transmission Line?

2272

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Why we use circular(Stepped) cross section in transformer core?

2192

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how to calculate maximum current

2271

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1904

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Is there chopping current in resistive circuit

1891

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Can a generator runs after getting 1st stator earth fault.

1357

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WHAT IS MEANING OF Gg & Gg IN hrc FUSE

3215

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CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

2602

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2125

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pre arcing time of ehv breaker

2073

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define displacement & magnitude ?

1779

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