ELECTRICAL HEAVY CURRENT

COURSES 

Induction and safety                              
Bench work                             
Electrical wiring                        
Advanced electrical wiring                        
Transformers                      
Motor starters                          
Fault finding                        
Installation work                       
Introduction to electronics              
Programmable logic controllers                                  
Welding for electrical                            
Basic lifting techniques                            
Revision                                      

DESCRIPTION OF COURSES

INDUCTION


Organization history, mission and vision
Authority structure
Responsibilities
Documentation
Accommodation
Rules and regulations
Working hours
Leave and absence
Disciplinary procedures
Transport
Security
Sport and recreational facilities
Telephone

SAFETY 

Safe environment
Safety attitudes
Report safety matters
Safety inspections
Safety representatives
Unsafe acts and conditions
Injuries
First aid box
First aid officers
Personal protective clothing and equipment
Personal hygiene
Housekeeping
General house hold rules

BENCH WORK

Workshop safety
Understand NSD rules and procedures (read induction document)
Use of PPE
Maintain a safe working area
Maintain personal safety and safety for others according to procedures
Protect the environment according to regulations
Understand and recall driven machinery regulations
Select, use and care for engineering hand tools
Select, use and care for workshop tools
Select , use and care for power tools
Select, use and care portable power tools
Select, use and care for engineering measuring equipment
Mark off basic engineering shapes
Manufacture a work piece
Grind tool and drill bits
Operate and monitor drilling machine to produce simple component

ELECTRICAL WIRING 

Safety rules and regulation for electrical
Calculate: Volts, current, resistance and power used
Simplify serie, parallel and serie-parallel circuits
Select and use test instruments
Select and connect measuring instruments
Identify, make off and join cables
Interpretation of resistance circuits
Balance loads and connect in star or delta
Identify electrical components and their applications
Interpret, design and wire light circuits
Interpret, design and wire stove switches

ADVANCED ELECTRICAL WIRING

Calculation of power used
Identify electrical symbols, components and their applications
Interpret and built electromagnetic circuits
Design forward, reverse and sequential motor control circuits
Install and wire motor control circuits
Do fault finding and testing on motor control circuits
Read and interpret electrical drawings
Connect energy meters in a single and three phase configuration

TRANSFORMERS

 
Testing and wiring of a CT Amp selector switch
Testing and wiring of a PT Voltage selector switch
Protection on power distribution
Calculation of transformer configurations
Wiring of three phase transformer
Built a single phase transformer
Transformer tests

MOTOR STARTERS

Connection of three phase squirrel cage induction- and slip ring motors
Single and three phase motor tests
Interpretation of drawings and sketches
Wiring of different motor starters
Fault finding and protection

FAULT FINDING

Fault finding techniques (AC)
Fault finding techniques (DC)
Principle of operation of series-, shunt- and compound motors

INSTALLATION WORK

Identify electrical components and equipment
Plan an electrical installation
Install an electrical installation
Distribution board lay-out and wiring
Installation test
Bending of steel conduit

INTRODUCTION TO ELECTRONICS


Solder and de-solder electronic components
Identifying symbols and components
Test components
Design and construct electronic circuits
Test electronic circuits

PROGRAMMABLE LOGIC CONTROLLERS

Principles of operation
Ladder programming
Design different circuits with ladder logic
Commissioning of a simulation
Fault finding

WELDING FOR ELECTRICAL


Safety rules and regulations for welding
Arc welding
Gas welding
Gas cutting

BASIC LIFTING TECHNIQUES

Recall overhead crane hand signals
Demonstrate overhead crane hand signals
Use different lifting equipment: Chain block, shackles and rope slings



Copyright Necsa 2012