CAW-SP Australian and New Zealand Electrical Wiring Standards - AS3000:2007

CAW-SP Australian and New Zealand Electrical Wiring Standards - AS3000:2007

  • Duration:
  • Investment: US$ 299.00
Certificate:

Must complete all lessons

Content

Viewed
Introduction

Description

Power-system protection has become increasingly important as a way of protecting electrical power systems from faults through the isolation of faulty parts from the rest of the electrical network. The objective of a protection scheme is to keep the power system stable by isolating only the components that are under fault, whilst leaving as much of the network as possible still in operation. Thus, protection schemes must apply a very pragmatic and pessimistic approach to clearing system faults.
This course is designed to help students to understand the principles of protective systems and their application in real life. 
Most important of all, they can improve the safety of the site by making better decisions on system protection.

 

WHO SHOULD COMPLETE THIS COURSE

  • Protection and control engineers
  • Electric Power Utility engineers
  • Test engineers
  • University Power System educators
  • Engineers seeking PDH’s and Graduate students
  • Power system analysts
  • Consulting Engineers
  • Electrical Engineers/Technicians
  • Maintenance Engineers/technicians
  • Process Engineers/Operators
  • Integrators
  • Technical Managers

 

COURSE OUTLINE
AS/NZS 3000-2007 - INTRODUCTION

  • Basics of energy sources
  • Components of electrical system
  • Need for protection: Impact of types of loads and earthing on protection types

 

EARTHING AND ITS IMPORTANCE IN SAFETY 

  • Earthing – Definitions and its types
  • Solidly earthed system
  • Earth fault current flow
  • Earthing arrangements and earthing conductors
  • Importance of protective earthing

 

REGULATIONS OF AS/NZS 3000-2007        

  • Need for the regulations
  • Regulations for protection against various electrical hazards
  • Features of AS/NZS 3000 
  • Special electrical installations

 

SCOPE AND FUNDAMENTAL SAFETY PRINCIPLES 

  • Learning a few terms

 

FUNDAMENTAL PRINCIPLES OF PROTECTION

  • Methods of Protection against various hazards
  • Control and isolation
  • Design of an electrical installation
  • Selection and installation

 

SELECTION AND INSTALLATION OF SWITCHGEAR AND CONTROLGEAR  

  • Common requirements of switchgear and controlgear
  • Control of electrical installation
  • Isolation switch requirements
  • Emergency switching and emergency stopping
  • Fault protection
  • Overcurrent protection

 

GENERAL PROTECTION ARRANGEMENT OF SWITCHGEAR AND CONTROLGEAR  

  • Overload protection devices
  • Selection of protective device
  • Protective device coordination
  • Residual Current Devices(RCDs)
  • Devices for isolation and switching
  • Switchboards

 

SELECTION AND INSTALLATION OF WIRING SYSTEMS 

  • Basic requirements of wiring systems
  • Protection of wiring systems
  • Cable sizing and colours
  • Electrical connections
  • Segregation

 

REQUIREMENTS OF UNDERGROUND WIRING

  • Suitability and protection
  • Categories of Underground wiring system-Installation requirements
  • Aerial Wiring conductors
  • Earth Sheath Return System

 

SELECTION AND INSTALLATION OF APPLIANCES AND ACCESSORIES 

  • Appliances and accessories- Selection and installation
  • Protection against thermal effects
  • Electrical equipment- connection
  • Lightning installation
  • Socket-outlets and polarization    
  • Lightning equipment and accessories
  • Lightning point- Smoke detectors
  • Motors, transformers, capacitors and liquid dielectrics

 

EARTHING ARRANGEMENTS AND EARTHING CONDUCTORS

  • Basic features and need for earthing
  • Earthing selection and installations
  • Common earthing methods
  • Earthed and Unearthed systems
  • Importance of Protective and functional earthing

 

MULTIPLE EARTHED NEUTRAL SYSTEMS(MENs)  

  • Components of MEN system
  • Protective conductor
  • MEN earthing system – Connections

 

EARTHING CONDUCTORS- MATERIAL, SIZE AND INSTALLATION METHODS 

  • Specific requirements and installations
  • Equipotential bonding
  • Earth Fault Loop Impedance
  • Earth Fault Current Calculation
  • Other earthing arrangements

 

CABLE SELECTION PROCEDURES 

  • Steps to find low voltage and high voltage installations
  • Basic inspection procedures
  • Tests for low voltage and high voltage installations

 

DAMP SITUATIONS     

  • Classification of zones
  • Degree of protection in communal baths/showers
  • Swimming pools and Spa pools
  • Zone dimensions for Spa pools and tubs
  • Sauna heaters    
  • Refrigeration rooms
  • Hosing down areas

 

SPECIAL ELECTRICAL INSTALLATIONS 

  • Safety services
  • Fire and smoke control equipment, supply systems
  • Electricity generation systems
  • Protection by electrical separation
  • Extra low and high voltage installations
  • Hazardous areas    
  • Specific electrical installation standards

 

VERIFICATION  

  • Visual inspections
  • Basic checks on various systems
  • Sequence of tests
  • Mandatory tests
  • Tests on RCDs    

 

ELECTRICAL INSTALLATIONS- VERIFICATION GUIDELINES

  • Test detailed
  • Equipment needed
  • Basic checks
  • Measurement of earth electrode resistance 
  • Measurement of touch voltage 

 

ELECTRICAL INSTALLATIONS- PERIODIC VERIFICATION 

  • Objective and scope
  • Basic verification requirements
  • Verification by basic visual inspection
  • Verification by visual inspection and limited testing
  • Verification by visual inspection and full testing

 

CIRCUIT PROTECTION GUIDE

  • Circuit arrangements
  • Protection against overcurrent
  • Principles of Automatic Disconnection
  • Earth Fault impedance
  • Impedance for calculations

 

CIRCUIT ARRANGEMENTS

  • Determination of circuit current for consumer mains, submains and final subcircuits (Maximum Demand)
  • Cable selection based on current-carrying capacity and voltage drop
  • Coordination of current ratings of circuit cables and protective devices
  • Cable installation guides

 

REQUIREMENTS IN NATIONAL BUILDING CODES

  • Provisions in the Building Code of Australia (BCA) and New Zealand Building Code(NZBC)

 

INSTALLATION OF SURGE PROTECTIVE DEVICES    

  • Selection and installation of SPDs
  • Overcurrent protective device
  • Connecting conductors
  • Surge protective earthing and bonding

 

DEGREES OF PROTECTION OF ENCLOSED EQUIPMENT    

  • Typical Codes/Ratings

 

WS CLASSIFICATION OF WIRING SYSTEMS

  • Wiring systems classification
  • Specific Wiring Systems
  • Wiring systems adopted
  • Application of wiring systems

 

COMPONENTS FOR ALTERATIONS ADDITIONS AND REPAIR

  • Applications
  • Protective device ratings

 

HIGH VOLTAGE ELECTRICAL INSTALLATIONS            

  • Circuit control and protection
  • Equipment requirements
  • Substations
  • Electrical equipment with liquid dielectrics
  • Safety signs
  • HV System Testing

Investment

Plan Name Investment
Unlimited Access for 2 Years: US$ 299.00

Instructor

John Piperides

BE Electrical

 

John is a professional electrical engineer with over 25 years experience in industrial maintenance, production, management, sales and improvement. He has held management positions in several manufacturing and sales companies. His diverse responsibilities have included contract negotiation, authoring and responsibility of departmental budgets, daily management of over 20 reports, practice of cGMP, auditing in a pharmaceutical plant, and system administration and programming of diverse IT and embedded systems. He has been directly involved with industries including building management, pest control, mining, power utilities, food, pharmaceutical, steel, building products, sugar, paper and pulp, rail and airports.

John has completed many years of further education including developing, writing and delivering many work based courses and seminars. He has spent 10 years as a part time teacher at TAFE in electrical engineering, and 15 years delivering structured courses in thermography, power quality, instrument safety, motor drive theory, PLC, SCADA, and pest inspection

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Viewed
Duration
Introduction