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A high precision multi-ratio three-stage current transformer (CT) for loss measurements of extra high voltage (EHV) three-phase shunt reactors with test voltages up to 1050 kV

From National Research Council Canada

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Affiliation
  1. National Research Council Canada. Measurement Science and Standards
FormatText, Article
ConferenceConference on Precision Electromagnetic Measurements, July 8-13, 2018, Paris, France
SubjectExtra High Voltage (EHV); multi-ratio; multistage; precision measurements; ratio errors; shunt reactor; three-stage; uncertainty
Abstract
An overvicw of the development and performance of special high prccision multi-ratio three-stage CT and its application for loss measurement of EHV thrcc-phase shunt rcactors with test voltages up to 1050 kV at Royal SMIT Transformcrs arc prcsented and discuss. lt features current ratios of SOOA/I A, 400A/ 1A, 300A/1A, 200A/ IA, and lOOA/lA with ratio crrors of lcss than Sxl0-6 in both magnitude and phase with burdens up to 1.0 Q and at power frcqucncies of 50 Hz - 60 Hz.
Publication date
PublisherThe Conference
In
  • CPEM 2018.
LanguageEnglish
Peer reviewedYes
NPARC number23004102
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Record identifier0fcf3fc2-8471-4d7c-93dd-23ef19fd5135
Record created2018-09-27
Record modified2020-03-16
Date modified: