Course Details

This course is appropriate for a wide range of professionals but not limited to:

• Electrical and Instrument Technicians
• Maintenance Engineers and Supervisors
• Facilities and Plant Operations Personnel
• Field Service and Testing Engineers
• Power System Reliability Specialists

• Expert-led sessions with dynamic visual aids
• Comprehensive course manual to support practical application and reinforcement
• Interactive discussions addressing participants’ real-world projects and challenges
• Insightful case studies and proven best practices to enhance learning

By the end of this course, participants should be able to:

• Explain the fundamental principles of various UPS topologies accurately.
• Describe the construction and operation of industrial battery chargers successfully.
• Select and size appropriate battery technologies for different applications effectively.
• Perform detailed maintenance and testing procedures on both UPS and battery chargers safely.
• Systematically troubleshoot common faults and failure modes in backup power systems reliably.
• Apply safety protocols and isolation procedures when working on DC and AC power equipment correctly.

DAY 1

Fundamentals of UPS and Battery Chargers

• Welcome and Introduction
• Pre-test
• Necessity and role of UPS and battery chargers in critical systems
• Overview of different UPS topologies (Online, Line-Interactive, Offline)
• Basic principles of operation for industrial battery chargers (SCR, switchmode)
• AC-DC and DC-AC conversion principles (Rectifiers, Inverters)
• Understanding the functions of static bypass and transfer switches
• Key performance parameters and specifications (e.g., efficiency, voltage regulation)

DAY 2

Battery Technology and Sizing

• Fundamentals of lead-acid and Ni-Cd battery technologies
• Battery construction, chemistry, and operational characteristics
• Procedures for selecting and sizing battery banks for UPS systems
• Understanding battery charging profiles and thermal effects
• Factors affecting battery life and capacity (e.g., temperature, float voltage)
• Safe handling, storage, and disposal of industrial batteries

DAY 3

Operation and Maintenance of UPS Systems

• Safe operating procedures for starting and shutting down UPS units
• Detailed inspection and preventive maintenance tasks for UPS components
• Calibrating voltage and frequency settings accurately
• Procedures for performing load bank testing and capacity verification
• Understanding alarm signals and event logs in UPS controllers
• Maintenance of cooling systems and thermal management for UPS racks

DAY 4

Maintenance and Troubleshooting of Battery Chargers

• Routine inspection and maintenance for industrial battery chargers
• Detailed testing of charger output voltage and current regulation
• Troubleshooting common faults (e.g., rectifier failure, control board issues)
• Diagnostic techniques for identifying and replacing faulty SCRs or components
• Safe testing of battery cells and measuring internal resistance
• Systematic fault-finding methods for DC system ground faults

DAY 5

Advanced Troubleshooting and System Integration

• Advanced troubleshooting strategies for complex UPS failure modes
• Identifying and resolving harmonics and power quality issues from UPS units
• Integrating UPS systems with generators and switchgear safely
• Review of safety standards (NFPA, OSHA) for backup power systems
• Developing a preventative maintenance schedule and documentation program
• Post-test
• Certificate ceremony