Cahier technique no 195 - Schneider Electric

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"Cahiers Techniques" is a collection of documents intended for engineersand technicians, people in the industry who are looking for more in-depthinformation in order to complement that given in product catalogues.Furthermore, these "Cahiers Techniques" are often considered as helpful"tools" for training courses.They provide knowledge on new technical and technological developmentsin the electrotechnical field and electronics. They also provide betterunderstanding of various phenomena observed in electrical installations,systems and equipments.Each "Cahier Technique" provides an in-depth study of a precise subject inthe fields of electrical networks, protection devices, monitoring and controland industrial automation systems.The latest publications can be downloaded from the Schneider Electricinternet web site.Code: http://www.schneider-electric.comSection: Experts' placePlease contact your Schneider Electric representative if you want either a"Cahier Technique" or the list of available titles.The "Cahiers Techniques" collection is part of the Schneider Electric’s"Collection technique".ForewordThe author disclaims all responsibility subsequent to incorrect use ofinformation or diagrams reproduced in this document, and cannot be heldresponsible for any errors or oversights, or for the consequences of usinginformation and diagrams contained in this document.Reproduction of all or part of a "Cahier Technique" is authorised with theprior consent of the Scientific and Technical Division. The statement"Extracted from Schneider Electric "Cahier Technique" no. ....." (pleasespecify) is compulsory.
no. 195Current transformers:specification errorsand solutionsPaola FONTIINPG engineer (Institut National Polytechnique de Grenoble).Graduated in 1970.Joined Merlin Gerin in 1981 as consultant and head of the MediumVoltage Export engineering and design department. She is currentlyresponsible for the MV project completion and tender support groupfor Schneider Electric.ECT 195 first issue, February 2000Cahier Technique Schneider Electric no. 195 / p.1
Page 1: Collection Technique ..............
Page 5 and 6: Current transformers:specification
Page 7 and 8: A 15 VA-5P20 CT has a guaranteed er
Page 9 and 10: 2 Examples of specification errors2
Page 11 and 12: v The second possibility concerned
Page 13 and 14: account instead of the maximum thro
Page 15 and 16: Indeed, the space required for the
Page 17 and 18: 3 Equivalence of the various possib
Page 19 and 20: 4 ConclusionThis Cahier Technique c
Page 21: Schneider ElectricDirection Scienti

Cahier technique no 195 - Schneider Electric

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