SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Design a stand alone renewable energy system 
SAQA US ID UNIT STANDARD TITLE
113888  Design a stand alone renewable energy system 
ORIGINATOR
SGB Electrical Engineering & Construction 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 12 - Physical Planning and Construction Electrical Infrastructure Construction 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04  10 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
This unit standard is for persons in the Electrical Engineering; Generation; Distribution; Transmission, Construction and Renewable Energy Sector
A person credited with this unit standard will be able to:
  • Identify symbols and components
  • Understand and describe the functioning of circuits and components
  • Sketch and construct a stand-alone photovoltaic circuit
  • Analyse solar and wind data
  • Calculate and determine loads
  • Calculate and determine appropriate battery ratings
  • Calculate and determine appropriate solar array ratings
  • Calculate and determine appropriate wind turbine ratings
  • Use computer software available for design purposes
  • Select the most appropriate components for the system
  • Complete task
    This unit standard will contribute to the full development of the learner within the electrical engineering and construction environment by providing recognition, further mobility and transportability within the field of Physical Planning and Construction. The skills, knowledge and understanding demonstrated within this unit standard are essential for social and economic transformation and upliftment within the electrical engineering and construction environment. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    The following knowledge, skills attitude and / or equivalent:
  • Introduction renewable energy.
  • The function of the components in a renewable energy system.
  • Safe working procedures.
  • Good housekeeping.
  • Knowledge of the tools pertaining to the construction and wiring of renewable energy systems. 
    		•

    UNIT STANDARD RANGE 
  • Symbols and components (ISO and IEC standard)
    a. Contactors.
    b. Protection (fuses, circuit breakers, earth leakage and over load relays).
    c. Controls (temperature, pressure, level, and time switches).
    d. Loads (resistive and inductive).
    e. Inverters (Maximum 250 volt).
  • Circuits to be constructed in a simulated environment and tested under supervision. 
    		•

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Identify symbols and components. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. Various types of switches are identified according to their symbols. 

    ASSESSMENT CRITERION 2 
    2. Various types of protection devices are identified according to their symbols. 

    ASSESSMENT CRITERION 3 
    3. Various types of control devices are identified according to their symbols. 

    ASSESSMENT CRITERION 4 
    4. Various types of load devices are identified according to their symbols. 

    ASSESSMENT CRITERION 5 
    5. Renewable energy system components are identified according to their symbols . 

    SPECIFIC OUTCOME 2 
    Sketch a basic renewable circuit diagram. 
    OUTCOME RANGE 
    Circuits are limited to those in the NRS 052. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. Instructions are interpreted according to work site procedures. 

    ASSESSMENT CRITERION 2 
    2. Symbols used conform to ISO standards. 

    ASSESSMENT CRITERION 3 
    3. The function of each component is understood and described correctly. 

    ASSESSMENT CRITERION 4 
    4. Circuit diagrams are sketched neatly and symmetrically according to instructions. 

    ASSESSMENT CRITERION 5 
    5. Circuit diagrams are functional according to instructions. 

    SPECIFIC OUTCOME 3 
    Calculate a typical solar home or solar school load. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. Appliance loads are correctly identified as per data plates. 

    ASSESSMENT CRITERION 2 
    2. Approximate time of use is correctly determined for each appliance. 

    ASSESSMENT CRITERION 3 
    3. The total kWhr load is correctly calculated for the system. 

    SPECIFIC OUTCOME 4 
    Assess renewable energy resource. 
    OUTCOME RANGE 
    Wind and solar. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. Data manuals are correctly identified according to geographical location. 

    ASSESSMENT CRITERION 2 
    2. Data is correctly analysed for application. 

    ASSESSMENT CRITERION 3 
    3. Adjustments for height(wind data) are correctly carried out. 

    ASSESSMENT CRITERION 4 
    4. Data is correctly applied to determine the average available energy. 
    ASSESSMENT CRITERION RANGE 
    Written data, records, electronic data.
     

    SPECIFIC OUTCOME 5 
    Calculate battery bank rating. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. KWhr load value is correctly converted to Ahr value. 

    ASSESSMENT CRITERION 2 
    2. Battery losses are taken into account. 

    ASSESSMENT CRITERION 3 
    3. The autonomy correction is made based on available data. 

    SPECIFIC OUTCOME 6 
    Calculate the solar array and/or wind turbine rating. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. Solar array and/or wind turbine rating is correctly calculated as per available resource and load data and manufacturers specifications. 

    ASSESSMENT CRITERION 2 
    2. Winter and summer variations are taken into account. 

    ASSESSMENT CRITERION 3 
    3. Other factors such as dirt build up and performance deterioration through aging etc are taken into account. 

    ASSESSMENT CRITERION 4 
    4. System losses are included. 

    SPECIFIC OUTCOME 7 
    Selected wire sizes correctly. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    1. Specifications in regards to minimum voltage drop is explained. 

    ASSESSMENT CRITERION 2 
    2. Wire size tables are identified and explained. 

    ASSESSMENT CRITERION 3 
    3. Wire sizes are correctly selected as per specifications and standards. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
    1. Anyone assessing a learner against this unit standard must be registered as an assessor with the relevant ETQA.
    2. Any institution offering learning that will enable achievement of this unit standard must be accredited as a provider through the relevant ETQA by SAQA.
    3. Moderation of assessment will be overseen by the relevant ETQA according to the moderation guidelines in the relevant qualification and the agreed ETQA procedures. 

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
  • Safety precautions.
  • Knowledge about conductors and insulation material.
  • The effect of current. (Energy and power).
  • The definition of OHM`s law.
  • Knowledge about electromagnetism.
  • Recording and reporting of defects in equipment and tools.
  • Operation of renewable energy system components.
  • Alternating current and direct current circuits.
  • Regulations pertaining to the task (SABS and NRS). 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems during the application and maintaining of electrical safety. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others while applying and maintaining electrical safety. 

    UNIT STANDARD CCFO ORGANISING 
    Organize and manage oneself during the construction of circuits. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate through reporting. 

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology in environmental and personal safety. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems. 

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    Supplementary information:

    Specified requirements

    Specified requirements include legal and legislative specific requirements and are contained in one or more of the following documents:
  • SABS
  • NRS
  • OHS Act
  • Applicable statutory requirements

    A glossary of terms about the terminology of
    Context specific:
  • User manuals supplied by manufacturers
  • Single phase and DC electrical systems.
  • Specifications, agreements, policies and procedures. 
    		•

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  72052   Further Education and Training Certificate: Electrical Engineering  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  As per Learning Programmes recorded against this Qual 
    Elective  48474   National Certificate: Electrical Engineering  Level 4  Level TBA: Pre-2009 was L4  Passed the End Date -
    Status was "Reregistered"     		 2009-02-18  Was EWSETA until Last Date for Achievement 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    1. ESKOM GENERATION - PALMIET PUMP STORAGE GRABOUW 
    2. KP ACADEMY (PTY) LTD 
    3. POWER SYSTEMS TRAINING, CAPE TOWN 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.