Instrument transformers, Part 103: The use of instrument transformers for power quality measurement PDF Download
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Languages : en
Pages : 0
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Languages : en
Pages : 0
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Author: South African Bureau of Standards
Publisher:
ISBN: 9780626422592
Category : Electric instrument transformers
Languages : en
Pages : 0
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Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Social Science
Languages : en
Pages : 2259
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Book Description
This document provides the comprehensive list of Chinese National Standards - Category: GB/T; GBT.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Social Science
Languages : en
Pages : 220
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Book Description
This document provides the comprehensive list of Chinese National Standards - Category: GB, GB/T Series of year 2020.
Author: International Electrotechnical Commission
Publisher:
ISBN: 9782889120734
Category : Electric instrument transformers
Languages : en
Pages : 84
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Book Description
Author: Ruthard Minkner
Publisher: Springer Nature
ISBN: 3658348631
Category : Technology & Engineering
Languages : en
Pages : 254
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Book Description
Existing instrument transformer technologies as well as new measuring principles for current and voltage measurement are described in this book. The properties of conventional current and voltage transformer as well as the dimensioning are discussed in details out of the long experience of the authors. Especially the dielectric dimensioning and the used materials are discussed. Beside this an overview over new modern measuring principles is given and the technology of low-power instrument transformer, and RC-dividers are shown.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Law
Languages : en
Pages : 7266
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Book Description
This document provides the comprehensive list of Chinese National Standards and Industry Standards (Total 17,000 standards).
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Social Science
Languages : en
Pages : 2806
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Book Description
This document provides the comprehensive list of Chinese National Standards - Category: GB; GB/T, GBT.
Author: Schneider, Simon Michael
Publisher: Universitätsverlag der TU Berlin
ISBN: 3798330247
Category : Technology & Engineering
Languages : en
Pages : 144
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Book Description
This thesis gives an overview of test bench design for inverter operated Medium Voltage (MV) drives with the focus on the active power measurement. The sources of measurement setup uncertainty are analysed and methods are shown to assess these uncertainties. Further, a possibility is shown to do quantitative uncertainty estimations which are verified with measurements through different measurement setups for MV drives operated with multilevel converters. The influence of measurement transducers, voltage dividers, power meters and data acquisition boards are considered. The digital signal processing is analysed and the possibilities to reduce its uncertainty contribution on an active power measurement is shown. An analysis is made with the conventional measurement devices in the MV-range. The transfer behaviour of the devices and the characteristics of the uncertainty are investigated. Measurements are done on typical medium voltage drives with an uncertainty analysis, which shows the essential aspects of active power measurement. The results show the significance of a measurement setup performance. The investigations on the drives are used to indicate the impact on the determination of the drive efficiency and gives a significant input for further standardisation processes. The handling of measurement uncertainties during active power measurement of drives is shown concerning the permanent topic of energy saving and its efficient use. The work proposes a way of categorising electrical drives in energy efficiency classes and to make their determination comparable. Die vorliegende Dissertation gibt einen Überblick über den Prüfstandsaufbau von umrichtergetriebenen Mittelspannungsantrieben. Die Unsicherheitsquellen werden analysiert und Methoden werden aufgezeigt um die Messunsicherheit zu bewerten. Des Weiteren werden die Machbarkeit von Unsicherheitsabschätzungen gezeigt, welche mit Messungen an typischen Mittelspannungsantrieben mit Umrichterspeisung verglichen werden. Der Einfluss von Messwandlern, Spannungsteilern, Leistungsmessern und Messkarten zur Signalerfassung wird berücksichtigt. Die digitale Signalverarbeitung wird analysiert um den Unsicherheitsbeitrag zur Wirkleistungsmessung zu reduzieren. Es werden konventionellen Messwandler und -teiler im Mittelspannungsbereich bezüglich ihres Übertragungsverhal- tens sowie Messunsicherheiten untersucht. Die Ergebnisse der Untersuchungen verdeutlichen die Signifikanz eines performanten Messaufbaus. Des Weiteren werden Auswirkun- gen auf die Bestimmung der Effizienz aufgezeigt. Die Arbeit liefert einen wesentlichen Beitrag für weitere Standardisierungsprozesse. Der Umgang mit Messunsicherheiten der Wirkleistungsmessung wird betrachtet im Hinblick auf Energieeinsparpotenziale und deren effiziente Nutzung. Die Arbeit schlägt eine Möglichkeit vor, wie elektrische Antriebe in Energieeffizienzklassen kategorisiert werden können um diese vergleichbar zu machen.
Author: Konstantin O. Papailiou
Publisher: Springer Nature
ISBN: 981329938X
Category : Technology & Engineering
Languages : en
Pages : 1283
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Book Description
This handbook offers a comprehensive source for electrical power professionals. It covers all elementary topics related to the design, development, operation and management of power systems, and provides an insight from worldwide key players in the electrical power systems industry. Edited by a renowned leader and expert in Power Systems, the book highlights international professionals’ longstanding experiences and addresses the requirements of practitioners but also of newcomers in this field in finding a solution for their problems. The structure of the book follows the physical structure of the power system from the fundamentals through components and equipment to the overall system. In addition the handbook covers certain horizontal matters, for example "Energy fundamentals", "High voltage engineering", and "High current and contact technology" and thus intends to become the major one-stop reference for all issues related to the electrical power system.
