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Course Agenda (Course Code 200)

STAND ALONE POWER SYSTEMS_

 

INSTALLATION AND MAINTENANCE COURSE

 

COURSE CODE 200

 

 

 

Course Agenda

 

Day One

 

08:00-08:15: Session One Part A: Introduction               
08:15-08:30: Session One Part B: Scope of Course       
08:30-9:00: Session One Part C: Safety Orientation       
9:00-10:00: Session One Part D: PV Overview                

 

 

 

10:00-10:20: break
10:20-12:00: Session Two: Solar Resource                     

 

  • Irradiance
  • Geometric Effects
  • Altitude and Azimuth
  • Magnetic North & True North
  • Atmospheric Effects
  • Direct and Diffuse Radiation
  • Air Mass
  • Irradiation and Peak Sun Hours
  • Solar Radiation Data                       
  • Solar Altitude

 

           
12:00-13:00: Lunch

 

 

 

13:00-14:00: Session Three: System Components PV Cells & PV Modules    

 

  • Characteristics of Solar Cells
  • Typical IV curve for Solar Cells
  • Power Curve of the Solar Cells
  • Factors which effect the performance of solar cells
    • Temperature
    • Irradiance
  • Types of Solar Cells
    • Mono Crystalline
    • Poly Crystalline
    • Amorphous
  • Performance of Solar Cells
    • Efficiency
    • Fill Factor
  • Creating a Module
  • Solar Panels (PV Modules)
  • Commercial Modules
  • Arrays
  • Electrical Protection
  • Bypass diodes
  • Blocking diodes
  • Selecting Diodes
  • Module Reliability
  • Load on Solar Module

 

  •  

 

 

 

14:00-15:00: Session Three part B: System Components: Batteries   

 

  • 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)
  • 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

 

15:00-15:20: Break

 

15:20- 16:00: Session Four Part A: System
Components: Controllers   

 

  • Purpose of Control Equipment

 

  • The Charge/Discharge Cycle
  • Overcharge Protection
  • Types of Switching Regulators

 

 

 

  • Maximum power point tracker (MPPT) – Switch mode regulator
  • Other Regulator Features

 

    • Over Discharge Protection
    • Temperature Compensation
    • Monitoring

 

  • Installation of Regulators
  • Specifying a Regulator

 

 16:00- 17:00: Session Four Part B: System Components: Inverters               

 

  • AC OR DC?
  • Purpose of Inverters
  • Advantages of DC and AC Electricity
  • Measuring AC
  • Frequency (Hertz)
  • Harmonic Distortion

 

  • 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

 

 
Day Two

 

08:00-10:00: Session Five Testing Batteries and exercises       
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: Session Six: System Wiring             

 

  • 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

 

 

 

12:00-13:00: Lunch

 

13:00-15:00: Session Seven: Workshops System Components            
    Workshop: Testing and measuring solar module output
                       Solar Pathfinder

 

 

 

15:00-15:20: Break

 

15:20-16:30: Session Eight: System Installation Part 1              

 

  • Installation Preparation
    • Equipment Location
    • Drawings
    • Installation Checklist
  • Equipment Installation
    • Solar Array
    • Battery Bank includes ventilation
    • Inverter
    • Generating Set

 

 

 

Day Three

 

08:00-10:00: Session Nine: System Installation Part 2               

 

  • Metering and control
  • Electrical protection- equipment, cables
  • Separation of ELV and LV
  • Lightning Protection
  • Wiring Diagrams
  • Problems with too many parallel modules re protection
  • Ensuring cables between modules are protected (electrical)
  • Safety Equipment
  • Commissioning
  • System Documentation

 

 

 

10:00-10:20: Break

 

10:20-12:00: Session Ten: Voltage Drop and Ventilation Exercises and Wiring Diagrams

 

12:00-13:00: Lunch

 

13:00-15:00: Session Eleven: System Maintenance, Fault Finding                        

 

  • Introduction- Maintenance
  • Maintenance Schedule and Log Books
    • Batteries
    • Solar Array
    • Inverters
    • Regulators
  • System Integrity
    • Maintaining System Integrity
  • Introduction- Fault Finding
  • Fault Finding

 

    • Batteries
    • Solar Array
    • Inverters
    • Regulators
  • System Integrity
    • Troubleshooting the Whole System

 

 
MORE EXERCISES IF TIME PERMITS

 

15:00-15:20: Break

 

15:20-16:30: Session Twelve:  Presentation on System Installations                       

 

Day Four
08:00- 12:00: Session Thirteen: On site system installation- arrangements explained during the first few days     

 

Mid- Morning Break Taken at 10:00

 

12:00-13:00: Lunch

 

13:00-15:00:   Session Fourteen: Voltage Drop Exercises              

 

15:00-15:20: Break

 

15:20-16:30: Session Fifteen:  System Wiring Diagrams    

 

 

 

Day Five
08:00-13:00: Session Sixteen: Connecting up a whole system Includes practicing stripping cable, mounting equipment etc

 

 

 

14:00-16:30: Session Seventeen:  One-on-One discussions. ½ hour with each attendee. Others are doing exercises on cable sizing

 

Mid- Morning Break Taken at 10:00

 

13:00-14:00: Lunch

 

15:00-15:20: Break

 

Day Six

 

08:00-10:00: Session Eighteen: Continue One On One discussion. ½ hour with each attendee. Others are doing exercises on cable sizing and some drawing exercises

 

Session Nineteen:  Exam
Mid- Morning Break Taken at 10:00

 

 

 

13:00-14:00: Lunch

 

15:00-15:20: Break

Finish for the Course

 

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