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Substation Design

The purpose of this document is to provide a general guide to the design of an Air Insulated Switchgear (AIS) and a Gas Insulated Switchgear (GIS) of an AC substation. The document is divided into 12 chapters starting from Electrical Arrangement to Lightning and Earthing Protection.

High voltage substation design and application guide
High voltage substation design and application guide

In general this application guide will provide some basic understandings about the HV equipments on substation designs for HVAC and HVDC substation projects. This guide is written specifically for new electrical graduate engineers who embark on a career on HVAC and HVDC substation projects.

The chapter two covers the electrical arrangements, the basic concepts and factors affecting the design of AC substation. The chapter three includes the AC substation arrangement. The substation different configurations are characterised by their busbar arrangements and generally any number of circuits can be provided by repeating the pattern.

The AC substation comprises three main components and these are classified as primary system, secondary system and auxiliary supply system.

The chapters four and five deal with protection equipment and protection of main components of substation. These chapters will help application engineers to select suitable electrical equipments such as CT’s, VT’s, relays etc. for the appropriate protection functions. The protection should be done to prevent any disruption of supply and damage to the electrical equipment.

The chapters six and eight cover Compensation and Flexible AC transmission System (FACTS). FACTS is an acronym for Flexible AC Transmission System. The philosophy of FACTS is to use reactive power compensation devices to control power flows in a transmission network, thereby allowing transmission line plant to be loaded to its full capability.

The chapter seven covers Auxiliary System. The chapter nine covers Wind Farm substation equipments. Electricity generated from renewable sources now accounts for around 4% of the UK’s supply, with more planned, including an increase in the amount generated from Offshore and Onshore farms.

The chapters ten and eleven cover Ferro-resonance and Quadrature Booster. The Chapter twelve includes HVDC equipment/description. The chapter thirteen covers Lightning and Earthing protections, which prevent any damage to substation equipment and loss of power to public.

Title:Substation Design Application Guide
Size:9.6 MB
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Substation Design Application Guide
Substation Design Application Guide

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  1. Babak Esmailzadeh Hakimi
    Jan 31, 2023

    I am performing my Phd thesis through which I am developing an innovative method for seismic fragility curves of transmission substations equipment and power plant equipment as well as
    ” Parametric or Generic Fragility Curves ” . The fragility curves apply to estimate the probability of failure of equipment and installation against earthquakes. To tune and control the fragility functions I need to have the information about transmission substations equipment like catalogues and technical reports. Your favor on this topic will be very helpful and would be appreciated deeply.
    I believe that this method may have valuable impact on seismic risk management of power networks. I can even have cooperation with your very prominent newsletter or site to make greater and more qualified results from my studies and if you are tending to , to help the innovative activities of your sector.

    Your response, in the case of positive and even negative position will be appreciated .

    Best Regards
    Babak Esmailzadeh Hakimi

  2. tariq
    Mar 22, 2021

    am power engineer at Afghanistan with a big company

  3. miguel castellani
    Mar 25, 2020

    Thank’s for this docs it’s interesting .

  4. Rajeev kumar
    Nov 27, 2019

    Rep electrical engineering thanks for this sporting

  5. MOUST
    Jan 31, 2018

    Thank’s for this docs it’s interesting .

  6. BharatKumar
    Jun 03, 2015

    Thanks for sharing knowledgeable information.

  7. alhana89
    Jan 26, 2013

    Thank you for sharing this wonderful guide!

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