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Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, papers, and electrical engineering video courses.

Electricity generation and transmission concept

The purpose of the electric transmission system is the interconnection of the electric energy producing power plants or generating stations with the loads. A three-phase AC system is used for most transmission lines. The operating frequency is 60 Hz in the U.S. and 50 Hz in Europe, Australia, and part of Asia.

Electricity generation, transmission and distribution guides
Electricity generation, transmission and distribution guides

Electrical energy, being a very convenient form of energy, has become fully pervasive in the modern world. As the distribution system is the link through which an individual consumer draws electrical energy from the power system, proper design of the distribution system becomes very important for reliability and maintenance of continuity of electric supply.

Detailed description of all aspects of design, construction and operation of a distribution system involves a number of steps that include planning, layout, load forecast and design, equipment, protection schemes, power quality, distribution system management and more recently distributed energy resources (DERs) at the local level.

More details of all these aspects are given in the following guides and papers.

Browse guides and papers

Note that all documents in this section are free to download. Navigate through sub-pages to discover all documents.

Power systems in deep ocean mining up to 3,500 m

The objective of this master thesis will be to investigate different electrical power system topologies for deep sea mining (DSM) application in the Norwegian Sea. Both existing and possible DSM production system topologies will be… Read more

Released on Aug 15, 2018

Power systems in deep ocean mining up to 3,500 m

The fundamentals of steam power plants

Steam turbine life is generally extremely long. There are steam turbines that have been in service for over 50 years. Overhaul intervals are measured in years. When properly operated and maintained (including proper control of… Read more

Released on Aug 06, 2018

The fundamentals of steam power plants

Class Notes on Power System Control and Operation

Modern power system is a complex system, spread over a large geographically area. The power system has been expanded manifold in the recent past due to increased demand and industrial growth. The power system has… Read more

Released on Jul 23, 2018

Class notes on power system control and operation

Transmission Switching Manual For Grid Operators

Fixed earth switches are fully rated for the system earth fault current. Operationally they must be used as preferred program earths wherever they are installed. Testing for de-energisation of the line must be carried out,… Read more

Released on Apr 16, 2018

Transmission Switching Manual For Grid Operators

10 Comments


  1. samer habib
    May 29, 2020

    The best ever useful info source for Electrical engineers in practice and theory


  2. Onuajula Briggs Chidera
    Dec 31, 2019

    Thank you Sir for this lesson, am writing an Engineering article on “HVDC as a better alternative to HVAC”


  3. Mr. Hla Myint Moe
    Jul 26, 2019

    How to download this book?


  4. Abhinab Sharma
    Jun 10, 2018

    What is effect of use of shunt capacitor installed in 33 KV side at 132/33 KV grid station ?


  5. Abhinab Sharma
    Jun 10, 2018

    What is function of OLTC ( On load Tap changer) in 132/33 KV power transformer 132 KV side at 132/33 KV grid station? & When to use it ?


  6. Abhinab Sharma
    Jun 10, 2018

    What is reason of low voltage ( 116 KV) supply at 132 KV level at 132/33 KV grid station coming from 220/132 KV grid Station during peak load hours ?


  7. Khaled Yemen
    Dec 30, 2017

    Good books


  8. V SOMANATH
    Jul 25, 2017

    Sir,please tell how to join practical or video training on electrical engineering like about industrial automation&PLC scada course.or any other like autocad on electrical engineering subjects.
    Please confirm any information about this I want immediately this.


  9. walid mahjoub
    Aug 12, 2016

    good technical manuals


  10. Bhupendra Fumakia
    Aug 11, 2016

    Dear Sir,

    Please let me have PDF version of following

    “Transmission and Distribution Electrical Engineering – Colin Bayliss, Colin R. Bayliss, Brian J. Hardy”

    Best regards.

    Bhupendra

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