Power Distribution Equipment
Who should attend?

The training course will benefit the engineers, technicians and supervisors on the operations, functions of major renewable energy integration components. This course is suitable for a wide range of professionals but will greatly benefit:

  • Electrical engineers
  • Electrical supervisors
  • Power engineers
  • Managers in-charge of electrical installations
  • Project engineers
5 Days
Programme Overview

Power distribution equipment which is reliable, safe and efficient is essential for electrical installation. This training course in Dubai includes the construction, operation and maintenance aspects of the equipment namely the transformers, circuit breakers, ring main unit, switches and protection devices. Safe operations are essential as they are protected by modern and sophisticated relays and protection devices. Power distribution can either be overhead or underground, and auxiliary power is obtained by means of uninterruptible power supply. Protection systems are installed to prevent faults from damaging electrical plant and to initiate isolation of faulted sections in order to maintain continuity of supply elsewhere on the system. Recent changes in technology together with changes in the manner in which utilities and industrial organisations operate has greatly emphasized the development of integrated protection and control. This training course will feature:

  • The construction and operations of transformers
  • The characteristics of circuit breakers
  • The importance and role of UPS and batteries
  • The types of maintenance
  • The functionalities of protection relays

By the end of this training course, participants will be able to:

  • Understand the major power distribution equipment
  • Determine the various types of maintenance strategies
  • Explain the different types of circuit breakers
  • Analyze the characteristics of oil-immersed transformers
  • Design a simple electrical power distribution incorporating the main power distribution equipment
This training course will utilize a variety of proven adult training techniques to ensure maximum understanding, comprehension, and retention of the information presented. This includes presentation and discussion of the latest videos and technologies on smart grids and renewable energy. Questions are encouraged throughout, particularly at the daily wrap up sessions. This provides opportunities for participants to discuss with the Presenter specific issues and, if possible, find appropriate solutions. Specific goals of each participant will be discussed to ensure that their needs are fulfilled whenever practicable.
Course Outline

Day One: Distribution Power Transformers Types, Characteristics, Operations and Protection

  • Types and design of power transformers
  • Oil-immersed transformers
  • Major components of a power transformer
  • Vector groups for transformers
  • Cooling systems for transformers
  • Fault level and impedance percentage of a transformer

Day Two: Construction and Characteristics Switches and Circuit Breakers

  • Construction and operation of load break switch, earth switches, and isolators
  • Construction and operation of moulded case circuit breaker
  • Construction and operations of air circuit breaker
  • The electronic trip of an air circuit breaker
  • The construction and operation of vacuum circuit breaker
  • Characteristics of vacuum circuit breaker

Day Three: SF6 and High Voltage Circuit Breakers

  • SF6 arc quenching characteristics
  • SF6 circuit breaker operations and characteristics
  • Live tank high voltage circuit breaker
  • Dead tank high voltage circuit breaker
  • Safety of SF6 circuit breakers
  • New alternative grid green gas

Day Four: Auxiliary Power by Means of Batteries and Uninterruptible Power Supply (UPS)

  • Critical loads and distribution equipment categories
  • Types of  online and offline UPS design
  • Components functionalities of a UPS
  • Double conversion UPS
  • Redundancy and parallel operation of UPS
  • UPS operational modes

Day Five: Maintenance and Safety of Power Distribution Equipment

  • Functionalities of numerical relays
  • Maintenance strategies
  • Partial discharge and its effects
  • Merits of thermography
  • Power quality measurement instruments
  • Wrap up session and Q&A session

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