UPS Training Course
Course Code 400
Course Agenda
Day 1
8:00 – 8:15: Session One Part A: Welcome and Introduction
8:15 – 8:45: Session One Part B: Brief Overview of a UPS
- What is a UPS System?
- Components of a UPS System?
8:45 – 11:00: Session Two: Batteries
10:00-10:20: Break
- Flooded Lead Acid Batteries
- Valve Regulated Lead Acid ( VRLA )
- Absorbed Glass Mat (AGM) –
- Gelled Electrolyte.
- Other Types of Batteries
- Nickel-Cadmium (NiCd)
- Vanadium redox battery and zinc-bromine battery.
- Characteristics of Batteries suitable for Stand Alone Systems
- Energy Storage in Batteries
- Battery Capacity
- Charging Rate
- Cut off voltage
- Depth of Discharge (D.O.D)
- Daily Depth of Discharge (D.O.D)
- Efficiency of a Battery
- Discharge Rate
- Equalisation
- Gassing
- Self Discharge Rate
- State of Charge (SOC)
12noon – 13:00: Lunch
13:00 – 16:00: Batteries Final part
- Specific Gravity
- Sulphation
- Battery Voltage
- Charging after deep discharge
- Determining State of Charge
- Specific Gravity
- Open Circuit Voltage
- Discharging and Charging Voltages
- Maintenance of Batteries
- Effect of Temperature
- Combining Batteries
- Paralleling Batteries
- Battery Selection Criteria
Day 2
08:00 – 10:00: Session Two: Inverters
- Purpose of Inverters
- Frequency (Hertz)
- Harmonic Distortion
- Power Factor
- Resistive Loads
- Inductive Loads
- Power Factor Corrected Inductive Loads
- Electronic Loads
- High Power Factor Electronic Loads
- Types of Inverters: How the DC is converted to AC
- Rotary Inverter
- The Basic Solid State Inverter
- Switch Mode Inverters
- Output Waveform
- Square Wave Inverters
- Modified (Stepped) Square Wave Inverters
- Sine Wave Inverter
- Bi-directional Inverters (Battery Charging Inverters)
- Rotary Inverter
10:00 – 10:20: Coffee Break
10:20 – 12:00: Continuation of Inverters
- Protection Circuits
- Reverse Polarity
- Overloads
- Over Temperature
- High and Low Battery Voltage
- Inverter Power
- Surge Capacity
- Ratings of Inverters
- Auto-start / Demand Start Feature
- Isolation
- RFI
12:00 – 13:00: Lunch
13:00 – 15:00: Session Three: Designing a UPS System
- Energy Efficiency- brief overview
- Estimating the Electrical Energy Load required to be supplied by UPS
- Completing the AC Load Assessment Form
- Estimated Energy Usage
- Total A-hr Demand
- Determination of System Voltage
- Sizing and Specifying Batteries
- Based on load, Hours that system needs to supply energy, Maximum DOD
- Temperature Correction Factor
- Maximum or Surge Demand
- Maximum Charging Current
- Daily Depth of Discharge
- Number of Parallel Battery Strings
- Specifying an Inverter
- System Losses
15:00 – 15:20: Break
15:20 – 16:00: Exercises: Load Assessment Exercise
Day 3
08:00 – 10:00: Exercises: Sizing a UPS System and Workshop: Testing Batteries
Workshop: Safety Clothing to be worn when working with wet lead batteries
Workshop: Testing and measuring voltage of cells
Workshop: Using hydrometer to measure Specific Gravity
10:00-10:20: Break
10:20 – 12:00: Installing, Maintenance and Faultfinding
- Introduction
- Cable Sizing
- Line Losses (Voltage Drop)
- Permissible voltage drop in conductors
- Using a table of values which shows the voltage drop for different cables under different current conditions.
- Excessive Current
- Circuit Protection
- Sizing main battery fuses:
- Battery Isolation
- Installation Preparation
- Equipment Location
- Drawings
- Installation Checklist
- Equipment Installation
- Battery Bank includes ventilation
- Inverter
- Introduction- Maintenance
- Maintenance Schedule and Log Books
- Batteries
- Inverters
- System Integrity
- Maintaining System Integrity
- Introduction- Fault Finding
- Fault Finding
- Batteries
- Inverters
- System Integrity
- Troubleshooting the Whole System
12:00 – 13:00: Lunch
13:00 – 15:00: Exercises: Sizing a UPS System Continuation
15:00 – 15:15: Break
15:15 – 16:00: Session Eight: Adding Solar to the UPS System
- Components
- Solar modules
- Array frame
- controller
- Brief discussion on determining how many module?
- How do you learn more?
- Connecting a UPS system to the Grid with Solar.