Electrical Distribution Design, Installation and Commissioning Course

Course Overview:

The course highlights the modern electrical distribution networks and trains the participants by equipping them with the knowledge necessary for designing secure and cost effective networks, troubleshooting equipment and ensuring optimal performance.

They will study transformer diagnostics, fundamentals of the generator, and servicing, testing and troubleshooting of UPS systems. 

The course also deals with some aspects of the distribution systems like design limitations, load flow studies, quality of supply problems, and systems of protection. Real life case studies of the wires sustainability of the electrical grids, and ETAP with CYME software applications supported by international standards improve the training. 

The course is made for electrical supervisors and technicians and guarantees the retention of those skills involuntary to preserve and enhance the electrical distribution networks.

Course Objectives:

On completion of the course, the trainee/s will be competent in:

·       The behavior of Modern Electrical Distribution Networks

·       Constraints on Distribution Network Design

·       Choice of Correct Components and Network Layouts

·       Using Computers for secure and economic network design

Who Should Attend?

The course is intended for Electrical Supervisors and Electrical Technicians engaged in the maintenance, inspection, and testing of Electrical Equipment. The methods and examples are generic, personnel from all industries will benefit. Participants require a good understanding of electricity and magnetism and possess some relevant experience.

Course Outlines:

• Troubleshooting Power transformers
• Transformers main Component & Functions
• Nameplate data & verification
• Accessories & Protective Devices
• Transformer General Diagnostic and Testing
• Insulation Resistance and Polarization Index
• Turns Ratio and Excitation Current
• Winding Resistance
• Voltage Measurement
• Frequency Response Analysis
• Interpretation of test results
• Periodic Inspection
• Making Transformer Inspections
• Transformer Liquids
• Dielectric test
• Generator Fundamentals, Testing and Trouble Shooting
• Principles of Generators · AC Generators
• Generator excitation and voltage control
• Diesel generator sets
• Synchronizing of generators
• Trouble Shooting · General Procedure
• Generator Does Not Produce Voltage
• Generator Produce Low Voltage
• Generator Produce High Voltage
• Generator Voltage Fluctuating
• Fault analysis for Generator Control Circuit
• Typical practical case study and Root cause analysis
• UPS Fundamentals
• Rectifications & Inverters
• UPS, Rectifiers, Inverters and Batteries Fundamentals Maintenance, Testing and Troubleshooting
• Inverters
• Batteries and Battery Charging
• Battery Charging Tests
• Safety during Battery Charging
• Mixing Electrolyte
• Overview Distribution systems
• General Design Considerations.
• Loads: types, and estimations.
• Equipment design constraints:
• Current Rating
• Short circuit
• Power Quality Problems
• Modeling of Distribution Elements.
• Studies on distribution networks.
• Load Flow studies & Computer methods.
• Short circuit, PU & Symmetrical components.
• MVA method to calculate 3-phase short circuit current.
• Related IEC 60909, 61363 & ANSI C37.
• PQ & Harmonics and related IEEE 1159 & 519 standards.
• Power cable: Sizing (based on VD, short circuit & earth fault), de-rating factors.
• Voltage drop calculations.
• Power Factor correction & reactive power compensators.
• Distribution Transformers features & Sizing.
• LV & HV Switchgear preliminary design steps.
• Protection overviews.
• Shunt capacitors & Series reactors.
• Isolated networks & different schemes of power system architectures. Open & Closed RMU.
• Test Cases using ETAP/CYME/SKM software.