The Current Comparator:
The current comparator comprises a special configuration of concentric toroidal magnetic cores and windings which enable the physical realisation of a very precise ampere-turns ratio standard. It provides the basis for the precise measurement of various electrical quantities at both direct and alter...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Stevenage
IET
1988
|
| Schriftenreihe: | IEE electrical measurement series
4 |
| Schlagworte: | |
| Online-Zugang: | UBY01 Volltext |
| Zusammenfassung: | The current comparator comprises a special configuration of concentric toroidal magnetic cores and windings which enable the physical realisation of a very precise ampere-turns ratio standard. It provides the basis for the precise measurement of various electrical quantities at both direct and alternating currents using current ratio techniques. Applications include the calibration of instrument transformers, measurement of the losses of high voltage capacitors and inductive reactors, measurement of the short circuit losses of large power transformers, the calibration of power and energy meters, an alternating current impedance bridge, direct current resistance measurements, the calibration of high direct current metering systems and shunts, a seven decade direct current potentiometer, and a 20 bit digital-to-analogue converter. The book presents the basic theory of the current comparator, methods of construction leading to high ratio accuracies, and the operating principles of the various applications |
| Beschreibung: | 1 Online-Ressource |
| ISBN: | 9781849193641 |
| DOI: | 10.1049/PBEL004E |
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| 520 | 3 | |a The current comparator comprises a special configuration of concentric toroidal magnetic cores and windings which enable the physical realisation of a very precise ampere-turns ratio standard. It provides the basis for the precise measurement of various electrical quantities at both direct and alternating currents using current ratio techniques. Applications include the calibration of instrument transformers, measurement of the losses of high voltage capacitors and inductive reactors, measurement of the short circuit losses of large power transformers, the calibration of power and energy meters, an alternating current impedance bridge, direct current resistance measurements, the calibration of high direct current metering systems and shunts, a seven decade direct current potentiometer, and a 20 bit digital-to-analogue converter. The book presents the basic theory of the current comparator, methods of construction leading to high ratio accuracies, and the operating principles of the various applications | |
| 653 | 0 | |a Calibration | |
| 653 | 0 | |a Capacitors | |
| 653 | 0 | |a Comparator circuits | |
| 653 | 0 | |a Conversion | |
| 653 | 0 | |a Electric currents | |
| 653 | 0 | |a Electric instrument transformers | |
| 653 | 0 | |a Electric measurements | |
| 653 | 0 | |a Electric meters | |
| 653 | 0 | |a Electric reactors | |
| 653 | 0 | |a Electric transformers | |
| 653 | 0 | |a Magnetic cores | |
| 653 | 0 | |a Potentiometer | |
| 653 | 0 | |a Wattmeter | |
| 653 | 0 | |a calibration | |
| 653 | 0 | |a current comparators | |
| 653 | 0 | |a digital-analogue conversion | |
| 653 | 0 | |a electric current measurement | |
| 653 | 0 | |a instrument transformers | |
| 653 | 0 | |a loss measurement | |
| 653 | 0 | |a magnetic cores | |
| 700 | 1 | |a Miljanic, P. N. |e Verfasser |4 aut | |
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Datensatz im Suchindex
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| author_role | aut aut |
| author_sort | Moore, W. J. M |
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| bvnumber | BV047482868 |
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| ctrlnum | (ZDB-100-IET)9781849193641 (OCoLC)1269390534 (DE-599)BVBBV047482868 |
| doi_str_mv | 10.1049/PBEL004E |
| format | Electronic eBook |
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| id | DE-604.BV047482868 |
| illustrated | Not Illustrated |
| index_date | 2024-07-03T18:13:11Z |
| indexdate | 2024-07-10T09:13:21Z |
| institution | BVB |
| isbn | 9781849193641 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-032884324 |
| oclc_num | 1269390534 |
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| owner | DE-706 |
| owner_facet | DE-706 |
| physical | 1 Online-Ressource |
| psigel | ZDB-100-IET |
| publishDate | 1988 |
| publishDateSearch | 1988 |
| publishDateSort | 1988 |
| publisher | IET |
| record_format | marc |
| series2 | IEE electrical measurement series |
| spelling | Moore, W. J. M Verfasser aut The Current Comparator W.J.M. Moore & P.N. Miljanic Stevenage IET 1988 1 Online-Ressource txt rdacontent c rdamedia cr rdacarrier IEE electrical measurement series 4 The current comparator comprises a special configuration of concentric toroidal magnetic cores and windings which enable the physical realisation of a very precise ampere-turns ratio standard. It provides the basis for the precise measurement of various electrical quantities at both direct and alternating currents using current ratio techniques. Applications include the calibration of instrument transformers, measurement of the losses of high voltage capacitors and inductive reactors, measurement of the short circuit losses of large power transformers, the calibration of power and energy meters, an alternating current impedance bridge, direct current resistance measurements, the calibration of high direct current metering systems and shunts, a seven decade direct current potentiometer, and a 20 bit digital-to-analogue converter. The book presents the basic theory of the current comparator, methods of construction leading to high ratio accuracies, and the operating principles of the various applications Calibration Capacitors Comparator circuits Conversion Electric currents Electric instrument transformers Electric measurements Electric meters Electric reactors Electric transformers Magnetic cores Potentiometer Wattmeter calibration current comparators digital-analogue conversion electric current measurement instrument transformers loss measurement magnetic cores Miljanic, P. N. Verfasser aut 9780863411120 Erscheint auch als Druck-Ausgabe 978-1-84919-364-1 https://doi.org/10.1049/PBEL004E Verlag URL des Erstveröffentlichers Volltext |
| spellingShingle | Moore, W. J. M Miljanic, P. N. The Current Comparator |
| title | The Current Comparator |
| title_auth | The Current Comparator |
| title_exact_search | The Current Comparator |
| title_exact_search_txtP | The Current Comparator |
| title_full | The Current Comparator W.J.M. Moore & P.N. Miljanic |
| title_fullStr | The Current Comparator W.J.M. Moore & P.N. Miljanic |
| title_full_unstemmed | The Current Comparator W.J.M. Moore & P.N. Miljanic |
| title_short | The Current Comparator |
| title_sort | the current comparator |
| url | https://doi.org/10.1049/PBEL004E |
| work_keys_str_mv | AT moorewjm thecurrentcomparator AT miljanicpn thecurrentcomparator |