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Schneider Electric Cahier Techniques

Schneider’s Cahiers Techniques is a collection of documents intended for engineers and technicians, people in the industry who are looking for more in-depth information in order to complement that given in product catalogues. Furthermore, “Cahiers Techniques” are often considered as helpful “tools” for training courses.

Schneider Electric Cahiers Techniques – A collection of documents intended for engineers and technicians
Schneider Electric Cahiers Techniques – A collection of documents intended for engineers and technicians

Schneider Electric provides knowledge on new technical and technological developments in the electrotechnical field and electronics. They also provide better understanding of various phenomena observed in electrical installations, systems and equipment.

Each “Cahier Technique” provides an in-depth study of a precise subject in the fields of electrical networks, protection devices, monitoring and control and industrial automation systems.


About Schneider Electric

Schneider Electric SA. The Group’s principal activities are electricity and automation management. The Group operates under three major segments: electrical distribution, automation and control and secured energy.

Under Electricity distribution, the company offers electrical products such as circuit breakers, switches, safety lighting, prefabricated busbar trunking, modular switchgear, power line carrier communication networks and voice-data-image solutions. Under Automation and Control, Schneider offers products to control and supply power to equipment such as contactors, overload relays, soft starters, speed drives, sensors and operator terminals.

Schneider Electric operates mainly in Europe, Asia Pacific and North America. In 2008, the Schneider Electric acquired ECP Tech Services, Marisio, Wessen, RAM Industries, Xantrex, DMS and American Power Conversion (APC).

In past 40 years Schneider Electric released over 70 technical publications related to electricity and automation, and these publications are listed in this section.

Browse guides and studies

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

Increasing availability of LV electrical networks

Short-circuits are normally caused by accidental contact between two power or earth conductors. A phase-to-earth insulation fault is equivalent to a phase-to-neutral short-circuit in TN.S earthing systems. Rodents can survive… Read more

Released on Sep 23, 2012

Ground Fault Protection

The IEC 60364 standard defines 3 types of earthing systems (ES): TN system TT system IT system Earthing systems (ES) characteristics are: An insulation fault has varying consequences depending on the system used:… Read more

Released on Jul 23, 2012

Coordination and protection of busbar distribution

Design and production of a busbar distribution installation for industrial and commercial buildings must meet 3 main requirements: progressive upgradeability of the installation, simplicity and dependability. Busbar distribution ensures these… Read more

Released on Jul 22, 2012

Busbar distribution in large sites buildings

Vacuum switching

This “Cahier Technique” constitutes a general presentation of basic notions relative to the functioning and use of vacuum switching devices. The first section, entitled Theory and Use of vacuum switching,… Read more

Released on Sep 26, 2010

Thermal study of LV electric switchboards

This «Cahier Technique» aims at furthering the understanding and mastery of the thermal problems encountered in LV electric switchboards. After a brief review of standards and of thermal phenomena: conduction… Read more

Released on Sep 26, 2010

The singularities of the third harmonic

In installations where the neutral is distributed, non-linear loads may cause significant overloads in this conductor due to the presence of the third harmonic. Both the phenomenon and its remedies… Read more

Released on Sep 26, 2010

The behaviour of SF6 puffer circuit-breakers

The development of transmission power systems and industrial power systems places high-voltage circuit-breakers in operating conditions much more severe than those taken into account by the Standards. Two situations are… Read more

Released on Sep 26, 2010

System earthings worldwide and evolutions

Electrical power was actually used in 1900. Today electrical installation standards are highly developed and cover all major aspects for a safe installation. In LV, the reference standard is IEC… Read more

Released on Sep 26, 2010

System earthings in LV

This «Cahier Technique» proposes a survey of potential hazards that insulation faults may create for safety of persons and property. It emphasises the influence of system earthings on the availability… Read more

Released on Sep 26, 2010

Protection of industrial and tertiary MV networks

The protection of electrical networks requires the use of numerous and varied techniques. These are organized into a “protection plan“ which requires the know-how of a specialist. To accomplish such… Read more

Released on Sep 26, 2010

13 Comments


  1. Vinayakam Balachandran
    Nov 05, 2019

    I have been associated with the design & manufacture of High Current & High Voltage Busbars for more than 45 years. I am in the process of writing a book titled “An Introduction to Busbar Systems” and expect it to be ready for publication by this year end.

    One of the chapters in the book is devoted to IMPEDANCE. I would like to seek permission from SCHNEIDER to capture information available in “Cashier technique no. 83” to be incorporated in the book. Needless to state that any of the content reproduced in the book will acknowledge the source.

    I would appreciate a positive response at your earliest convenience. Please feel free to contact me for any specific information that you may desire in connection with the above request.

    Best regards

    Sincerely yours

    Balachandran


  2. Senan
    Jul 12, 2019

    Thanks for good information . Very very helpful


  3. C.SUBRAMANIAN NAMBISAN
    Aug 28, 2018

    Many Thanks to you and you for compiling these articles which are so informative and useful.

    CS Nambisan


  4. talal abu sharkh
    Aug 13, 2018

    Thanks so much


  5. Nzuya Evans
    Nov 01, 2017

    What is the procedure of downloading your article please help coz I hv attempted several tims but in vain…otherwise I salute you


  6. salah doukhane
    Nov 14, 2016

    merci beaucoup.


  7. Anthony Bor
    Mar 31, 2016

    The documents in this website are fascinating and very help full I would however like to learn more on Earthing of DC supply system now that the world is turning to sustainable energy power


  8. Thabang Molelle
    Sep 23, 2015

    I ma studying electrical engineering at French South African Schneider Electric Education Center. I use Schneider Electric components they are very interesting and eventually making life simple. Hope i will, one get employed at Schneider Electric.


  9. Mohamed Hendy
    Dec 24, 2013

    Thank u


  10. MIRJANI.KH
    May 05, 2011

    As you know the Schneider group make one of the best relay,s “sepam series” and also other kind of protection. so a book or a paper about protection will be very useful

    • Edvard
      Edvard
      Jun 13, 2011

      Yes indeed! SEPAM is good protection relay with bunch of possibilities. However, maybe I will publish some technical article about SEPAM relays with info and catalogue or paper for download.

      Thanks fot the tip Mirjani!

      BR


      • hobo
        Jul 24, 2012

        Yes,I support Mirjani.SEPAM Relays,from my experience are one of teh best relays I have ever seen.


      • The Vinh
        Jun 03, 2015

        I am currently working at Schneider Electric.
        All documents on this website are very interesting and helpful with me.
        For the SEPAM relay, If you need any document please let’s me know.

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