This course describes the principle of electrical drive systems, their types, elements, characteristics, performance parameters, and applications. Single-phase dc drive systems - Three-phase dc drive - Three-phase induction motors drive systems. DC chopper drive systems - Braking system; dynamic braking, and regenerative braking. Introduction to UPS systems; types, characteristics, performance parameters, specifications, and applications. High frequency link UPS systems - Static bypass - Monitoring parameters. Batteries; types, characteristics, specifications, troubleshooting, and applications. Battery chargers; types and performance.