Outlines

Day 1:

• UPS Structure
• Rectifier
• Inverter
• Battery
• Static Transfer Switch
• UPS Needs and Applications
• Transients
• Harmonics
• Sags
• Swells
• Frequency Disturbances
• Over Voltage Under Voltage
• Grounding ­ 
• UPS Selection
• Emergency Power Lighting
• Startup Power
• Mechanical Utility System
• Refrigeration
• Heating

Day 2:

UPS Types

• Double Conversion
• Single Conversion
• Ferroresonant
• Line-Interactive
• Online ("True")
• Microprocessor

UPS Configurations

• Double-conversion systems without bypass
• Group 2: Double-conversion systems with bypass
• Group 3: Single-conversion systems without bypass
• Group 4: Single-conversion systems with bypass UPS Operation

 

Solid-State Switches

• Diode       
• Thyristor
• Power Transistor
• MOSFET
• IGB

Day 3:

Rectifiers and Chargers

• Uncontrolled Rectifies (Single-Phase and Three-Phase)
• Half-Controlled Rectifiers (Single-Phase and Three-Phase)
• Full-Controlled Rectifies (Single-Phase and Three-Phase)
• Basic Chagrining Methods
• Constant voltage
• Constant Current
• Trickle Charging
• Pulsed Charge
• Float Charge
• .Random Charge

Charging Rates

• Slow
• Fast

 

Charger Types Inverter Circuits

• Voltage Source Inverters
• Current Source Inverters
• Inverter Circuit Controller
• Square Wave Controllers
• PWM Controller

Day 4:

Batteries

• Stationary batteries in standby service
• Lead-Acid
• Vented Cells (Floodedcells)
• Valve-Regulated Cells
• Nickel-Cadmium
• Pocket-Plate Cells
• Fiber-Plate Cells
• Vented Sintered-Plate
• Installation & Design
• Battery Sizing
• Recharge/Equalize Charging
• State of Charge
• Depth of Discharge 1
• Storage Capacity, Available Capacity and Total Capacity
• Battery Life
• Battery System Short-Circuit Calculation
• Battery-Powered Emergency Lighting

UPS Maintenance

• Preventive Maintenance
• Typical maintenance schedule for a static UPS system

UPS troubleshooting and Testing

• Failure Analysis
• Types of Tests
• Acceptance Tests
• Routine Maintenance Tests
• Special Maintenance Tests
• Types of Testing Methods
• Solid Insulation Testing
• Insulating Liquid Testing
• Protective Device Testing
• Capacity Tests
• Safety

 

Day 5:

UPS Protection

• Battery charger protection
• Inverter protection
• Static transfer switch protection
• Overvoltage protection
• Equipment physical protection

Reliability of UPS systems

• Applications
• Environmental concerns
• Specification and acceptance testing
• Maintenance and training
• Failure modes
• Management awareness

Who Should Attend

• Electric Engineer/Supervisor/Superintendent
• Plant Maintenance Engineer/Supervisor/ Superintendent
• Electric motor work shop engineer/ Managers
• Instrument and Control Engineer/Supervisor / Superintendent
• Everybody or professional who wants to broaden knowledge or gain benefit from this course

Duration

5 Days