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EnglishTo establish a single European railway area, the European Commission requires, by 2019, that energy billings shall be computed on the actual energy consumed. So, in the near future, all the trains shall be equipped with an energy measurement system, whose measurement accuracy should be assessed and periodically reverified, as required by EN 50463-2. As for every energy and power measuring system, the voltage and current transducers play a crucial role as their accuracy could determine the performance level of the entire measurement chain. To answer to this emerging need, this paper presents a calibration system allowing the accurate testing of dc voltage and current transducers, up to 6 kV and 300 A and up to 10 kHz. It is able to reproduce all the tests prescribed by EN 50463-2, but in order to characterize the transducers in actual operating conditions, a series of additional tests can also be performed using synthetic complex waveforms or even signals acquired on-board trains. The expanded uncertainty (level of confidence 95%) of the calibration system is 43 mu ext{V} /V and 24 mu ext{A} /A at dc and 520 mu ext{V} /V and 820 mu ext{A} /A at 10 kHz. Moreover, the calibration of two commercial voltage and current transducers, currently installed in the trains of an Italian operator, is presented. © 1963-2012 IEEE.
Calibration of Voltage and Current Transducers for DC Railway Systems / Crotti, Gabriella; Delle Femine, Antonio; Gallo, Daniele; Giordano, Domenico; Landi, Carmine; Luiso, Mario. - In: IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT. - ISSN 0018-9456. - 68:10(2019), pp. 3850-3860.
| Titolo: | Calibration of Voltage and Current Transducers for DC Railway Systems | |
| Autori: | ||
| Data di pubblicazione: | 2019 | |
| Rivista: | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/TIM.2019.2912232 | |
| Abstract: | To establish a single European railway area, the European Commission requires, by 2019, that ener...gy billings shall be computed on the actual energy consumed. So, in the near future, all the trains shall be equipped with an energy measurement system, whose measurement accuracy should be assessed and periodically reverified, as required by EN 50463-2. As for every energy and power measuring system, the voltage and current transducers play a crucial role as their accuracy could determine the performance level of the entire measurement chain. To answer to this emerging need, this paper presents a calibration system allowing the accurate testing of dc voltage and current transducers, up to 6 kV and 300 A and up to 10 kHz. It is able to reproduce all the tests prescribed by EN 50463-2, but in order to characterize the transducers in actual operating conditions, a series of additional tests can also be performed using synthetic complex waveforms or even signals acquired on-board trains. The expanded uncertainty (level of confidence 95%) of the calibration system is 43 mu ext{V} /V and 24 mu ext{A} /A at dc and 520 mu ext{V} /V and 820 mu ext{A} /A at 10 kHz. Moreover, the calibration of two commercial voltage and current transducers, currently installed in the trains of an Italian operator, is presented. © 1963-2012 IEEE. | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11696/61507
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