Unit 1 Introduction to Electrical Control Panels

• Purpose, and Applications of Control Panels. 1.2 Types of Panels: Power Control Center (PCC)
• Motor Control Panel (MCP)
• Circuit Breaker Control Panel (CBCP)
• Relay / Protection Panel
• DG Set Panel / AMF / ATS Panel
• Synchronization Panel
• Substation / Switchyard Panel
• APFC Panel 1.3 Power Devices (ACB
• MCCB, MCB, Isolators
• Busbars) 1.4 Control Devices (Contactors
• Push Buttons
• Selector Switches
• Overload Relay
• Pilot Lamp / Indicator
• Auxiliary Relays)
• Protection Devices. 1.5 Instrumentation & Metering (CT/PT
• Frequency Meter
• PF Meter
• Energy Meter). 1.6 Panel Layout Design: Front and Rear Views
• Wiring Ducts
• Cable Entry
• Nameplates 1.7 Control and Power Wiring – Ferruling
• Color Coding
• Cable Lugs
• Numbering 8 18% GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Electrical Engineering Subject Code: DI04009041 Course / Subject Name: Electrical Control Panels w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 3 of 7

Unit 2 Motor Control Panel

12 lecture hours

• 2.1 Purpose of Motor Control Wiring in Industrial Applications. 2.2 Role in Protection
• Automation, and Energy Efficiency. 2.3 Direct-On-Line (DOL) Starter-Wiring Diagram
• Components, and Working Principle
• Advantages and Limitations
• Applications 2.4 Star-Delta Starter-Wiring Diagram and Stepwise Operation
• Timer Integration for Automatic Changeover
• Wiring Sequence and Safety Interlocks 2.5 Forward-Reverse Motor Control-Wiring for Forward and Reverse Operation
• Electrical Interlocks 2.6 Auto/Manual Motor Control-Use of Selector Switches for Manual and Automatic Operation
• Integration with PLCs Or Timer
• Wiring for Remote Start/Stop. 2.7 Soft Starter / VFD Wiring-Basic Control Wiring for Soft Starters
• Motor Protection Features
• Integration with Control Circuits and Panel Wiring. 2.8 Troubleshooting Motor Control Wiring

Unit 3 Circuit Breaker and Relay Control Panel

• 3.1 Definition and Purpose of Circuit Breaker Control Panels (CBCP) and Relay Panels. 3.2 Single Line Representation of Control & Protection Scheme. 3.3 Front and Rear Layout of Circuit Breaker and Relay Panel 3.4 Panel Labeling
• Nameplate Details, and Safety Signage 3.5 Control Wiring of Circuit Breakers (Open/Close/Trip/Health Status) 3.6 Interlocking Between Breakers and Isolators 3.7 Components of Breaker Control Panel 3.8 Spring Charging Motor Control Wiring and Interlocks 3.9 Remote Control and Scada Interface Provisions 3.10Safety Interlocks and Trip Circuit Supervision Relay 3.11Mounting and Wiring of Protection Relays on Panel 3.12 Interface Between Control Panel and Switchyard Equipment 3.13Pre-Commissioning Checks for Circuit Breaker and Relay Panels 12 26% GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Electrical Engineering Subject Code: DI04009041 Course / Subject Name: Electrical Control Panels w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 4 of 7 3.14Trip Circuit Continuity and Supervision Testing 3.15Troubleshooting of Panels

Unit 4 DG Set and Synchronization Control Panel

8 lecture hours

• 4.1 Purpose and Necessity of DG Set Control and Synchronization Panel in Industries and Power System 4.2 Manual DG Set Panel 4.3 AMF (Automatic Mains Failure) Panel 4.4 ATS (Automatic Transfer Switch) Panel 4.5 Auto Start/Stop DG Panels 4.6 Components of DG Set Control Panel 4.7 DG Set-Control Circuit and Power Circuit Wiring 4.8 Components of Synchronization Panel 4.9 Synchronization Panel -Power and Control Circuit Wiring 4.10 Troubleshooting

Unit 5 Automatic Power Factor Control Panel

5 lecture hours

• 5.1 Purpose of APFC Panel 5.2 Components of APFC Panel 5.3 Working Principle of APFC Panel 5.4 Power and Control Wiring