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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.

Power supply of lighting circuits

A source of comfort and productivity, lighting represents 15% of the quantity of electricity consumed in industry and 40% in buildings. The quality of the lighting (light stability and continuity… Read more

Released on Sep 26, 2010

Power Quality

One of the properties of electricity is that some of its characteristics depend not only on the electricity producer/distributor but also on the equipment manufacturers and the customer. The large… Read more

Released on Sep 26, 2010

Overvoltages and insulation coordination in MV and HV

Insulation coordination is a discipline aiming at achieving the best possible technico-economic compromise for protection of persons and equipment against overvoltages, whether caused by the network or lightning, occurring on… Read more

Released on Sep 26, 2010

Neutral earthing in an industrial HV network

HV electrical networks can be earthed in different ways. This document analyzes the constraints imposed by the different parameters of the installation (overvoltages, network, receivers) and calculates the fault currents…. Read more

Released on Sep 26, 2010

LV protection devices and variable speed drives

The purpose of this “Cahier Technique” is to explain the specific phenomena observed in LV installations when there is an overload or electrical fault in circuits equipped with variable speed… Read more

Released on Sep 26, 2010

LV circuit-breaker

The energy sources for electrical installations are AC generators and transformers. All these generators, however perfect, have an internal impedance which has two major effects: in normal operating conditions, this… Read more

Released on Sep 25, 2010

LV breaking by current limitation

This “Cahier Technique” provides a simple introduction to the principles of low voltage current limitation, a technique developed by Merlin Gerin in direct current as early as 1930 and in… Read more

Released on Sep 25, 2010

Lightning and HV electrical installations

The goal of this «Cahier Technique» publication is to: present an overview of lightning phenomena and their effects on electrical installations, present currently available means to protect installations and limit… Read more

Released on Sep 25, 2010

Introduction to dependability design

Equipment failures, unavailability of a power supply, stoppage of automated equipment and accidents are quickly becoming unacceptable events, be it to the ordinary citizen or industrial manufacturers. Dependability and its… Read more

Released on Sep 25, 2010

Intelligent LV switchboards

In all buildings, regardless of the activity carried out inside, the distribution of electrical power must today satisfy ever-increasing needs for dependability and efficiency. Energy must be available not only… Read more

Released on Sep 25, 2010

Integration of local power generation

Engine driven alternating current generator sets are often used in remote industrial sites as a prime source of electrical energy. They are also extensively used in both industry and commercial… Read more

Released on Sep 25, 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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