Mastering ACDB Distribution Panel SLD, Schematics, Interlock

Description

Dear All,

AC Distribution Panel (ACDB), are the one of the important panel in substation / power plant / factory etc. ACDB explained in this training has two incomers (two sources). One supply is feed through auxiliary transformer and other is feed through the Generator. Interlocking is provided between incomers and coupler, we have explained single line diagram, interlock logic, interlocking schematic / wiring functionality is explained, what is normal position of any equipment, normally open and closed concept is also explained. Finally you can find schematics drawing for self study.

Following topics are covered.

• Content List

• General Characteristics

• Component List

• Single Line Diagram

• Legends

• Under Voltage / Over Voltage Relay F27

• Current Transformer, Polarity at Primary & Secondary side

• Current Transformer Star point formation, towards line, towards bus philosophy

• Change of direction of current due to change of star point

• Concept of Essential bus and Normal Bus

• Interlocking of Incomer 1 & 2 & Bus Tie explained

• UVT Under Voltage Trip Coil in Air circuit breaker

• Timer circuit

• Trip / Close Coil Save contact

• Interlock Logic, Auto Manual Off operations

• Symbols & Legends

• AC Supply Distribution SLD Drawings

• Aux Contacts use, NO & NC

• AC Supply Distribution detail Drawings

• Metering & Indication Circuit at Control Panel

• DC Annunciator Circuit

• Socket & Lighting Circuit

• Typical Lamp Test Scheme

• Terminal Strip Drawings

• Front and Side View

Best Regards

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