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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD: 

Describe the operation and application of electrical equipment as required for nuclear power plant 
SAQA US ID UNIT STANDARD TITLE
13707  Describe the operation and application of electrical equipment as required for nuclear power plant 
ORIGINATOR
SGB Power Plant Operations 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Manufacturing and Assembly 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
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 
A person credited with this unit standard is able to explain the fundamental application principles and abnormal conditions associated with motors, generators, breakers, relays and links on nuclear power plant. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
  • Basic electrical theory. 

  • UNIT STANDARD RANGE 
    Electrical equipment as prescribed by the National Nuclear Regulator for the Generic Fundamental Requirements of nuclear power plant operators. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Explain motor and generator application principles. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Electrical terms and concepts related to motors and generators defined. 

    ASSESSMENT CRITERION 2 
    2. The effects of excitation changes on generators known. 

    ASSESSMENT CRITERION 3 
    3. The affects and relationship of varying pumping conditions on pump motor current calculated and explained. 
    ASSESSMENT CRITERION RANGE 
    Including but not limited to, fluid flow rate, pump head, pump speed and stator temperature.
     

    ASSESSMENT CRITERION 4 
    4. The relationship between starting and running current of AC motors described. 

    ASSESSMENT CRITERION 5 
    5. The reasons for differences between starting and running current of AC induction motors explained. 

    SPECIFIC OUTCOME 2 
    Explain abnormal motor and generator conditions. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Causes and effects of excessive current on equipment explained. 
    ASSESSMENT CRITERION RANGE 
    Motors and Generators.
     

    ASSESSMENT CRITERION 2 
    2. Consequences of overheating motor and generator insulation or bearings known. 

    ASSESSMENT CRITERION 3 
    3. Reasons for limiting the number of motor starts in a given time period understood. 

    SPECIFIC OUTCOME 3 
    Explain operating principles and application of breakers, relays and links. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Purpose and effects for racking out breakers known. 

    ASSESSMENT CRITERION 2 
    2. Indications to identify status of circuit breaker and protective relay known. 
    ASSESSMENT CRITERION RANGE 
    Local, Remote and control room indications for open, closed, tripped, racked in and out positions.
     

    ASSESSMENT CRITERION 3 
    3. The operation of circuit breaker controls explained. 

    ASSESSMENT CRITERION 4 
    4. The purpose and function of thermal overload protections known. 

    ASSESSMENT CRITERION 5 
    5. The process to de-energise a circuit breaker known. 

    ASSESSMENT CRITERION 6 
    6. The function and control of high voltage electrical links described. 

    ASSESSMENT CRITERION 7 
    7. The function of electrical components located on a typical one-line logic diagram explained. 

    SPECIFIC OUTCOME 4 
    Explain abnormal breaker, relay and link conditions. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. The consequences and indications of a loss of breaker control power known. 

    ASSESSMENT CRITERION 2 
    2. Conditions leading to actuation and failure of thermal overload devices explained. 

    ASSESSMENT CRITERION 3 
    3. The consequences of closing an AC generator output breaker on a de-energised and or faulted bus known. 

    ASSESSMENT CRITERION 4 
    4. The effects of closing an AC generator output breaker during parallel operations understood. 
    ASSESSMENT CRITERION RANGE 
    Currents out of phase, Different frequencies, High voltage differentials and frequency relationship that results in reverse power conditions.
     


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
    According to SAQA requirements.

    Moderation:

    Standard Generating Group Power Plant Operations-Technical Group. 

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Understanding of the fundamental concepts, for the application and operation of electrical equipment in use at nuclear power plants. 

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identifying & solving problems in which responses display that responsible decisions using critical and creative thinking have been made. 

    UNIT STANDARD CCFO WORKING 
    Working effectively with others as a member of a team, group, organization, community. 

    UNIT STANDARD CCFO ORGANISING 
    Organising and managing oneself and one`s activities responsibly and effectively. 

    UNIT STANDARD CCFO COLLECTING 
    Collecting, analysing, organizing and critically evaluating information. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicating effectively using visual, mathematical and/or language skills in the modes of oral and/or written persuasion. 

    UNIT STANDARD CCFO SCIENCE 
    Using science and technology effectively and critically, showing responsibility towards the environment and health of others. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrating an understanding of the world as a set of related systems by recognizing that problem-solving contexts do not exist in isolation. 

    UNIT STANDARD CCFO CONTRIBUTING 
    Contributing to the full personal development of each learner and the social and economic development of the society at large, by making it the underlying intention of any programme of learning to make an individual aware of the importance of:

    a. Reflecting on and exploring a variety of strategies to learn more effectively.
    b. Participating as responsible citizens in the life of local, national and global communities.
    c. Being culturally and aesthetically sensitive across a range of social contexts.
    d. Exploring education and career opportunities.
    e. Developing entrepreneurial opportunities. 

    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 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  23733   National Certificate: Nuclear Power Plant Operation  Level 4  Level TBA: Pre-2009 was L4  Reregistered  2023-06-30  EWSETA 
    Elective  61549   National Certificate: Power Plant Auxiliary Systems Operations  Level 3  NQF Level 03  Reregistered  2023-06-30  EWSETA 


    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 DRANKENSBURG PUMP STORAGE (PEAKING) 
    2. ESKOM INGULA PUMP STORAGE SCHEME (PEAKING) 
    3. MPUMELELO TRAINING 



    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.