Electrical Design Engineer


»Overview of EPC Sector for various Industries .
»Internal departmental coordination reference documentation.
»Overview of Relevant Codes & Standard Such as IEC ,ANSI,IEEE,BS,NEC,NFPA Etc.
»Introduction to Oil & Gas Industry for Onshore & Offshore Petroleum .
»Role & Responsibilities of Electrical Engineer in various Domain.
»Use of International Standard for Design Basis, Std Practices/Procedure & specification.
»Understanding client requirement & specific Inputs for project.
»Knowing various phase of Project Execution.
»Preparation of Drawings & Documents.
»Fundamental of Electrical power system.
»Fundamental of Power generation ,transmission, distribution  & utilization.
»Determination of power generation ,consumption & standby capacity.
»Preparation of load list & load schedule.
»Industrial load calculation & load transfer techniques.
»Plant load Estimation & Load flow analysis.
»Preparation of single line diagram(SLD) & control Schematics.
»Selection –Sizing, Protection, technical specification ,Datasheet of Electrical Equipments .
»Selection & Sizing of cables.
»Lightning & illumination Design
»Earthing & lightning protection.
»Substation & Switchyard Design.
»Shortcircuit Analysis(fault calculation &  stability studies)
»Hazardous Area Classification.
»Typical Schematics for motor feeder ,power feeder & transformer feeder.
»Testing, Troubleshooting & Maintenance of Electrical Equipments.

Module: 1

INTRODUCTION TO PLANT & SITE ENGINEERING
•    Organization EPC Structures & hierarchy.
•    Over view of an Engineering Organization.
•    Plant Engineering function.
•    Basics of Engineering, procurement & construction Field.
•    Overview of EPC Industry & Scope.
•    Design Methodology of EPC  Industry.
•    PMC model.
•    Overview of Basic Engineering Packages.
•    Basic Design Requirement Based on Petro-chemical, Oil & Gas, Refineries, Pharmaceutical, Power Plant, Steel Plant, Cement Plant etc.
•    Electrical Codes & Standards – ANSI,BS,IS,NEC, IEEE, NFPA, IEC.
•    Environmental & design considerations.
•    Role & Responsibility of Electrical Engineer in Various Industry.
•    Detail of various process condition by client side & their documents.
•    Electrical Protection & Safety Standards.
•    Electrical Job Prospects.

POWER GENERATION,TRANSMISSION AND DISTRIBUTION SYSTEMS
•    Introduction of Power Generation, Transmission, distribution and utilization.
•    Introduction of P&ID in Electrical Design.
•    Introduction of key electrical equipments used in projects.
•    Technology of power generation ,transmission & distribution – Industrial systems.
•    Selection & Sizing of Electrical Components.
•    Substation equipment including Earthing and touch potentials.
•    Primary feeders and network systems.
•    Design and operation of Distribution systems.
•    Distribution transformers.
•    Distribution capacity.
•    Power factor improvement techniques
•    Harmonic influences Study .

ELECTRICAL LOAD ESTIMATION & EVALUATION  
•    Preparation of Load list & load Schedule.
•    Determination of power Supply Capacity.
•    Standby Capacity consideration.
•    Rating Of Motors In Relation To Their Driven Machines.
•    Rating of other Electrical Equipments.

SINGLE LINE DIAGRAMS & CONTROL SCHEMATICS
•    Introduction to Single Line Diagram.
•    Design & Development of  SLD.
•    Metering and Control diagram.
•    Introduction to Control Schematics.
•    Block Diagram of Electrical System.
•    Typical Schematics for Motor Feeder.
•    Typical Schematics for Power Feeder.
•    Typical Schematics for Transformer Feeder.

SELECTION SIZING OF ELECTRICAL EQUIPMENTS
Selection, Sizing, Specification, Data-Sheet, Vendor Data Review & Type of following Electrical Equipments-
– Electrical Motors
– Generators
– Transformers
– AC/DC UPS
– Inverters
– Power Reactor
– Battery.

CABLES SELECTION SIZING & ACCESSORIES
•    Introduction to Industrial cable for single/three phase system.
•    Cable type & cable construction .
•    Underground Cables(directly buried).
•    Cable sizing for Low/High voltage system.
•    Cable selection on the basis of feeder current.
•    Base current rating of feeder.
•    Installed current rating of cables.
•    Feeder load details
•    Motor load details..
•    Detail load calculation.
•    Permissible voltage drop & power loss Calculation as per ANSI & IEC Std.
•    Earth fault Loop Impedance consideration.
•    Calculation of max cable length due to voltage drop.
•    Shortcircuit temp rise calculation.
•    Cable limitation & Protections.
•    Conduit System, Cable Tray, Ladder, Trunking & ducting Systems .
•    Cable Schedule.
•    Cable Drum schedule.
•    Cable routing Layout.
•    Cable Tagging &Installation details.
•    Switches & Sockets .
•    Isolators & Disconnect Switches .
•    BusDuct & BusBar Risers .
•    Preparation of Material Take Off / BOM

PLANT LIGHTING & ILLUMINATION
•    Introduction Lighting System(Type, Method,Installation) .
•    Lighting sources :Electric discharge, fluorescent element & some luminaries.
•    Relevant Design as per IS3646,IS6665,IEC60598-2-3,National lighting code(NIC2010).
•    Lighting Design- Illumination Lux Levels.
•    Indoor & outdoor Illumination Calculation.
•    Street Lighting calculations.
•    Type of Lighting Fixtures.
•    Selection of Lighting Fixtures.
•    Preparation of Fixture Schedule.
•    Lighting Layout & Drawings.
•    Emergency & Exit Lighting System.
•    Lightening Protection .

EARTHING SYSTEM DESIGN
•    Introduction to Earthing system(Type,method,Installation)
•    Relevant Design as per BS7430,IS3043,IEEE80-2000  
•    Requirement of Earthing in Process Plants
•    Factor influence the earthed & unearthed system.
•    Power supply Earthing
•    Equipments (Protective) Earthing
•    Ground Electrode System
•    Earthing calculation for powerplant & Substation.
•    Selection & sizing of earthing electrodes & earthing strips.
•    Calculation of Earthing resistance.
•    Calculation of earth fault current.
•    Calculation of max step voltage & mesh voltage.
•    Voltage gradient around earth electrodes.   
•    Connection to earthing electrode with protective conductors.
•    Concept of equipotential bonding conductors.
•    Measurement of earth resistivity & earth electrode resistance.
•    Measurement of earth loop Impedence.
•    Earth Leakage Protection.

SUBSTATION / SWITCH YARD DESIGN
•    Introduction to substation / switchyard.
•    Legislation & Standards.
•    Type of Sub-Stations.
•    Main equipment of switchyard/substation.
•    Reactive compensation Equipment .
•    Substation & Control room Layout .
•    Surge Arresters, Line Traps, Power Insulators.
•    Bushings, shunt capacitors and Connectors.
•    Static VAR system.
•    DC Auxiliary Supply/Battrey bank sizing.
•    Selection & Sizing of busbar & support/strain Insulators .
•    Selection -sizing of disconnector & earth switch(Isolator).
•    Electrical Measurement Instrument such as CT,PT,PLCC,BPT,Voltmeter,Ameter..
•    Load distribution schedules & load balancing : final DB,SMDB,MCC,MDB Etc.
•    Selection & sizing of Switchgears(MCB,MCCB,RCB,ELCB,RCB,RCCB,MPCB,ACB,OCB) for LV/MV/HV system as per IS4648.
•    Substation protection from transmission line.
•    Substation Automation System as per IEC61850.
•    Motor Control Center (MCC) – Electric Motors & Starters
•    Capacitor Banks – Power Factor Improvement techniques.

ELECTRICAL SAFETY AGAINST EXPLOSIONS
•    Explosion prevention techniques.
•    Risk assessments as per IEC 62305-2.
•    Explosion Triangle and Mode of Safety.
•    Explosion prevention techniques
•    Relevant Codes and Standards for Hazardous.
•    Hazardous Area of Classification.
•    Hazardous Analysis.
•    Hazardous Operation.
•    Hazardous Identification.
•    Concept of Group, Zones and Classes.
•    The ATEX requirements
•    Type of Electrical Equipment Suitable for use in Potentially Explosive Atmospheres.
•    Types Of Protection For different Hazardous.
•    Hazardous source List Preparation.
•    Marking Of Equipment Nameplates.
•    Hazardous Area Drawings / Layouts.
•    Industrial Electrical Safety [Intrinsic Safety].

ELECTRICAL PROTECTION
•    Need for Protection.
•    Characteristics of Protection.
•    Components of Protection systems.
•    Electrical Protection [Ingress Protection].
•    Surge Protection & methods of coupling.
•    Protection of electrical components against surges.
•    Surge protection zones and protection grading.
•    Earthing Protection Standards.
•    Lightning Protection Standards.
•    Cable Protection Standards.
•    Motor Protection techniques.
•    Transformer Protection techniques.
•    Generator Protection techniques.

Module: 2

ELECTRICAL DRAWING & DRAFTING
•    Drawing standards.
•    Components of an Engineering Drawings.
•    Electro Symbols & Legends.
•    Single-line and 3-line diagrams.
•    Control schematics.
•    Cabling and wiring drawings.
•    Lighting layout design.
•    Earthing Layouts.
•    Cable routing diagram.
•    Trench Layouts.  
•    Substation & Control room Layout

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