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On Site Calibration of Inductive Voltage Transformers

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dc.contributor.authorDa Silva, I. P.
dc.contributor.authorDemetri, I.
dc.contributor.authorDe Silos, A. C.
dc.contributor.authorBrandao, F. A (Jr)
dc.contributor.authorDa Silva, Izael
dc.date.accessioned2023-07-11T13:55:35Z
dc.date.available2023-07-11T13:55:35Z
dc.date.issued2009
dc.description8th WSEAS International Conference on System Science and Simulation in Engineering
dc.description.abstractThe accuracy class of an IVT – Inductive Voltage Transformer – is typically assessed in laboratory installations either by comparing with another IVT presenting greater accuracy and traceable to a national laboratory or by using a capacitive divider. Calibration in the field is considered herein, using results obtained from typical open and short circuit tests and winding resistances, performed with common meters. A Möllinger & Gewecke graphic diagram is employed together with the results of an accuracy test previously carried out to determine the exact value of the winding turn relation and of the primary winding dispersion reactance. These values are used to calculate the phase and ratio errors, which must lie between definite limits, defined by the accuracy class of the instrument. Four commercial IVTs were tested to determine the validity of the procedure. The errors are compared with those obtained with the Schering-Alberti method (AC Bridge and comparison with standard IVT)
dc.identifier.issn1790-2769
dc.identifier.urihttp://hdl.handle.net/11071/13356
dc.language.isoen_US
dc.publisherWSEAS
dc.relation.ispartofseriesWSEAS International Conference
dc.titleOn Site Calibration of Inductive Voltage Transformers
dc.typeArticle
dspace.entity.typePublication
relation.isAuthorOfPublication8fe091bc-b85d-4528-aa5d-42de99a427e8
relation.isAuthorOfPublication.latestForDiscovery8fe091bc-b85d-4528-aa5d-42de99a427e8
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