DipIE - Certified Diploma in Industrial Electrician

Introduction to the training program and familiarization with the trade

Career prospects for the trainees

Duties & responsibilities of trainees

Safety measures to be observed

Basic Electricity

• Matter, Electron flow and Electric current

• Conductors, Resistors & Insulators

• AC and DC Principles

• Common Terminology : Electromotive force, Current, Resistance, Inductance, Capacitor and Capacitance, Impedance, Power and Power factor

• Electrical Terms and Definition, Ohm’s Law,

• Electrical Circuit - Series circuit, Parallel circuit and Series-Parallel circuit

• Relationships between voltage, ohms, amperes, three-phase voltage, current and power

• Effect of Resistance, Inductance and Capacitance

• 1-phase and 3-phase power, Star and Delta connections and calculation of values

• Important Formulas, Codes and Standards

Magnetic field around a conductor

Faraday’s law of electromagnetism

Fleming’s Left & right hand rules

Lenz’s law

Generation Fundamentals

• How electricity is generated

• 3-Phase generation

• Stator, Rotor and Exciter

• Prime movers (Coal, Hydro, Nuclear, other)

• Transmission equipments
  
  
• Types of structures and Configurations
  
  

• Major equipment (Transformers, circuit breakers, regulators, air switches)
  
  
• Bus work and air switches
  
  

• Common voltages and Typical distribution equipments
  
  

Electrical Symbols

• Review of standard symbols, and

• Symbol identification and meaning

• Familiarization with the layout of different schematics and one line diagrams
  
  

• What are schematics used for and why are they necessary
• DC voltage schematic
• Introduction, familiarization and review of: Series circuit, Parallel Circuit and Series / Parallel circuit
• Single-Line Diagram
• Purpose of a single line diagram,
• Equipment identification,
• AC voltage schematic
  
  

Hand tools of the trade

Bench tools

Electrical Drill

Microguage

P V C Flexible Cables , Wires

LT / HT Cables

Safe use of splicing tools

Proper cable preparation, installation and handling techniques

Testing, splicing and termination procedures

Glands, lugs and ferruling

Conduits, Bus ducts & Bus bars

Causes of cable failure

Current measurement

• Galvanometer, Ammeter, Current Transformers

• Special precaution for current measurement

• Voltmeters , Potential Transformers
  
• Special precaution for current measurement
  
  

• Watt meters , 3-Phase Watt meters,
• Special precaution for power measurement
  
  

• Frequency meter, Power factor meter
  
  

• Line tester, Continuity tester, Earth tester, Megger, Multi meter, Clamp meter, Tacho meter, Thermomet

Panels (HT/LT) / Switch Board / Motor control centers (MCC’s)/Final Distribution boards (DB’s)

Cable trays, trunking or raceways, conduits & underground Pipes (Concrete / PVC)

Introduction to LT/HT Switchgear and Circuit Breaker

Switchgear

• Definitions , Ratings, Typical Construction

• Operation, Protection systems

• Installation guidelines

• Construction and Contact Operation
• Installation guidelines
• Manual and Electrical operating Controls
• Safe Operating Methods
• Mechanical Inspections

Reading & interpreting wiring plans.

Single line diagram of large power distribution system in plant.

Installing components of power system such as circuit Breakers, Switches fuse unit, contactor, over load relays etc

Architecture of motor control center & LT Panel specification & Application of MCB & MCCB, HRC fuses.

Control system, Selection of control transformer function of relays & logics.

Motor starters, Components, Function of each component.

Wiring of panels practical, PLC controlled automation model & motor starters.

Introduction to Motors Single phase and Three phase

Power System effect on motors

• Voltage, Frequency and Harmonics

• Variable Torque, Constant Torque, Constant Horsepower
  
  

• Full Voltage, Reduced Voltage, Wye-Delta, Soft Starting
  
  

• Dynamic Braking, Plugging, Mechanical Braking
  
  

• Separate Winding, Consequent Pole, Wound Rotor, Mechanical
• Variable Voltage, Variable Frequency
  
  

• Short Circuit Protection
• Overload Protection
  
  

Introduction to transformer

Functions of transformers

Transformer Construction

• Tank , Core, Coils, Types and Ratings

• Bushings, Tap Changers

• Factory Testing

• Dry, Oil and Liquid Filled Types

• Theory of Operation
• Vector and Connection Diagrams
• Important Electrical Relationships & Formulas
  
  

• Gas Relays
• Fans and Pumps
• Gauges
• Tap Changer Controls
  
  

• Detailed analysis of several case histories
• Lightening
• Oil Decay
• Component Failures , Internal Faults , External Faults
  
  

Electrical hazards

• Introduction to Electrical Hazards & Control

• Common cause of electrical accidents

• Electrical fires and prevention measures

• Lighting and Serge protection, Standards of Electrical Safety

• Selection of Electrical equipment for hazardous area

• Preventive maintenance

• Importance of earthing, Types of earthing, Earthing grids in industry
  
  

• Risk Assessment
  
  

• Eliminate the hazard, Isolation of the hazards
• Substitute with something of a lesser risk
• Use administrative controls
• Use of personal protective equipment
  
  

• First aid
• Identification, assessment and control
• Maintenance and inspection, Accident investigation

Using the hand tools

• Combination pliers, Cutter, Common screw drivers, Head screw driver

• Splicer, Soldering Iron with stand, Solder & flux

• Enter punch, Number punch, letter punch, Rawal punch

• Set & ring spanners , Vernier caliper, screw gauge

• Hand drilling machine, Hack saw frame with blades

• Jack plane, chisels

• Hammer – Ball pane, Cross pane, hexagonal, claw hammer

• Wooden mallet, Taps & Dies ( for internal & external threads)

• Files- Flat, half round, round triangular ( smooth & rough)

• Crimping tool,

• Plumb bob, spirit level and water level.

• Steel rules Calipers – inside & outside, Standard wire gauge

• Power drill , Grinder _ Hand & Bench

• Duties and responsibilities of trainees, Safety precautions.
• Identification, use, care and maintenance of general and special tools.
• Use of steel rule, Calipers, Marking a job.
• Types of File and filing practice.
• Checking flatness of a surface.
• Use of punches
• Drilling holes and grinding surfaces.
• Use of hacksaw frame and blades.
• Use of taps and dies.
  
  

• Precautions while soldering
• Use of solder and flux
• Cleaning and tinning
• Reasons of dry soldering
• Preparation of common joints

Household Wiring

• Identification of switchgear, Preparation of layout, Reading blueprints

• Markings with plumb bob, spirit level, water level

• Fixing of switch boards and D.B.

• Use of PVC conduits, joints, drawing of wires

• Use of earthing wires

• One lamp controlled from one single pole switch

• Two lamps controlled from two single pole switches

• One lamp and one socket controlled from two single pole switches

• Wiring of calling bell

• Stair-case wiring

• Ceiling fan with regulator

Industrial Wiring

• Single phase and three phase receptacle wiring

• Starter wiring – Start Delta with motor terminations

• Industrial lighting

• Classifications and types of lighting fixtures

Cable Laying and Termination

• Clamping / laying of cable – Trenches, Trays, Wall, Ceiling,

• Under ground and overhead cabling system

Measurement

• Measurement of earthing resistance

• Using the devices and measurement of the parameters used in the industry

PLC Connections

Basic PLC Programming

Installation of software

Trouble shooting

What is SCADA?

Designing of Mimics/Screens

Timers and alarms

Connection and communication to PLC

Installation of software

Trouble shooting

What is DRIVE?

Operating principles of drive (VFD)

Parameter settings

How to control motor with drive (VFD)

Connection and communication between drive (VFD)& motors

Installation of software

Trouble shooting

Test preparation

Trial question answer sessions

Assistance in filing of application forms

Test preparation

Trial question answer sessions

Assistance in filing of application forms