Search Results - "Van den Brom, H.E."

Vibration Reed Electrometer for Accurate Measurement of Electrical Currents Below 10 pA by Rietveld, G., van den Brom, H.E.

“…The paper is about developing a home-built vibrating reed (VR) electrometer. The heart of the meter is a VR capacitor, which excels in a stable and low input…”
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Measurement Methods and Procedures for Assessing Accuracy of Instrument Transformers for Power Quality Measurements by Crotti, G., van den Brom, H.E., Mohns, E., Tinarelli, R., Luiso, M., Styblikova, R., Agazar, M, Cayci, H., Mazza, P., Meyer, J., Almutairi, M.

“…Instrument transformers (ITs) are vital components of power quality (PQ) measurement systems in electrical transmission and distribution grids. Whereas…”
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Towards improved standardization of electricity meter testing by van den Brom, H.E., Rietveld, G., Hoogenboom, D., van Leeuwen, R., Marais, Z., Kok, G.J.P., Sharma, S., van Veghel, M.G.A.

“…This paper describes present research towards improved standardization of static electricity meter testing with conducted electromagnetic interference (EMI)…”
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Operating Margins for a Pulse-Driven Josephson Arbitrary Waveform Synthesizer Using a Ternary Bit-Stream Generator by Houtzager, E., Benz, S.P., van den Brom, H.E.

“…We describe measurements with a pulse-driven Josephson arbitrary waveform synthesizer (JAWS) that uses a ternary arbitrary bit-stream generator as the bias…”
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DC and Low-Frequency Humidity Dependence of a 20 pF Air-Gap Capacitor by Rietveld, G., van den Brom, H.E.

“…We have measured both the 0.01 Hz (quasi-dc) and 1.0 kHz values of a 20 pF room-temperature air-gap capacitor as a function of the environment. Its dependence…”
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Accurate subpicoampere current source based on a differentiating capacitor with software-controlled nonlinearity compensation by van den Brom, H.E., de la Court, P., Rietveld, G.

“…A high accuracy current source has been developed for the generation of very small currents (below 200 pA) based on applying a linear voltage ramp to a…”
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Bipolar Pulse-Drive Electronics for a Josephson Arbitrary Waveform Synthesizer by van den Brom, H.E., Houtzager, E., Brinkmeier, B.E.R., Chevtchenko, O.A.

“…A Josephson arbitrary waveform synthesizer (JAWS) has been developed in order to generate quantum-based ac voltage signals. The key component of this JAWS is a…”
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Influence of Sampling Voltmeter Parameters on RMS Measurements of Josephson Stepwise-Approximated Sine Waves by van den Brom, H.E., Houtzager, E., Verhoeckx, S., Martina, Q.E.V.N., Rietveld, G.

“…A binary Josephson-array voltage standard was used to investigate the influence of device settings on the reading of an 81/2-digit sampling voltmeter. This…”
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Internally Damped CCC for Accurate Measurements of Small Electrical Currents by Rietveld, G., de la Court, P., van den Brom, H.E.

“…We have developed and tested an internally damped cryogenic current comparator (CCC) with a main 1:20 000 winding ratio for the accurate measurement of small…”
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Sensitivity of static energy meter reading errors to changes in non-sinusoidal load conditions by Marais, Z., van den Brom, H.E., Rietveld, G., van Leeuwen, R., Hoogenboom, D., Rens, J.

“…Previous studies regarding static energy meter errors under non-sinusoidal load conditions have shown that these meters can produce erroneous readings. This…”
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Realization of a quantum standard for AC voltage: overview of a European research project by Chevtchenko, O.A., van den Brom, H.E., Houtzager, E., Behr, R., Kohlmann, J., Williams, J.M., Janssen, T.J.B.M., Palafox, L., Humphreys, D.A., Piquemal, F., Djordjevic, S., Monnoye, O., Poletaeff, A., Lapuh, R., Rydler, K.-E., Eklund, G.

“…The European Josephson arbitrary waveform synthesizer (JAWS) project addresses the lack of instrumentation and knowledge for accurate and traceable measurement…”
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Pulse-Driven Josephson Junction Arrays for High-Precision AC-Voltage Synthesis of Unipolar and Bipolar Waveforms by Schubert, M., Wende, G., May, T., Huebner, U., Meyer, H.-G., Chevtchenko, O.A., van den Brom, H.E., Houtzager, E.

“…The paper is about development of the lumped Josephson junction arrays (JJAs) for the generation of accurate quantum-based ac voltages. By using semiconductor…”
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Three-phase state estimation in the medium-voltage network with aggregated smart meter data by Ni, F., Nguyen, P.H., Cobben, J.F.G., Van den Brom, H.E., Zhao, D.

“…•A new method to aggregate data from smart meters on the LV feeders is proposed.•Uncertainties associated with the aggregated smart meter data are…”
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Analysis of different measurement setups for a programmable Josephson voltage standard by Behr, R., Kohlmann, J., Janssen, J.-T.B.M., Kleinschmidt, P., Williams, J.M., Djordjevic, S., Lo-Hive, J.-P., Piquemal, F., Hetland, P.-O., Reymann, D., Eklund, G., Hof, C., Jeanneret, B., Chevtchenko, O., Houtzager, E., van den Brom, H.E., Sosso, A., Andreone, D., Nissila, J., Helisto, P.

“…The electrical characteristics of two different 1-V binary programmable Josephson arrays, an superconductor/insulator/normal…”
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Counting electrons one by one-overview of a joint European research project by van den Brom, H.E., Kerkhof, O., Lotkhov, S.V., Bogoslovsky, Sergey.A., Willenberg, G.-D., Scherer, H., Zorin, A.B., Pedersen, S., Kristoffersson, C., Aassime, A., Delsing, P., Taslakov, M.A., Ivanov, Z., Nilsson, H., Giblin, S., Kleinschmidt, P., Hof, C., Eichenberger, A.L., Overney, F., Jeanneret, B., Geneves, G., Feltin, N., Devoille, L., Gay, F., Piquemal, F.P.M.

“…The European COUNT project exploits two complementary single electron tunneling devices for use in electrical current metrology: a single electron pump as a…”
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Accurate Measurements of Energy, Efficiency and Power Quality in the Electric Railway System by Giordano, D., Clarkson, P., Gamacho, F., van den Brom, H.E., Donadio, L., Fernandez-Cardador, A., Spalvieri, C., Gallo, D., Istrate, D., De Santiago Laporte, A., Mariscotti, A., Mester, C., Navarro, N., Porzio, M., Roscoe, A., Sira, M.

“…This paper describes a new EU co-funded project on metrology for smart energy management is electric railway systems (MyRailS). The project involves 7 national…”
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Evaluation of EMI Effects on Static Electricity Meters by Wright, P.S., Rietveld, G., Leferink, F., Van den Brom, H.E., Alonso, F.R.I, Braun, J.P., Ellingsberg, K., Pous, M., Svoboda, M.

“…Recent studies involving large errors in static electricity meters when exposed to step changes in the current waveform are reviewed. Triggered by these…”
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DC and low frequency humidity dependence of an air-gap capacitor by Rietveld, G., van den Brom, H.E.

“…We have measured both the 0.01 Hz (quasi-DC) and 1.0 kHz value of a room temperature air-gap capacitor as a function of environment (pressure, temperature,…”
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ACJVS operating margins using a ternary arbitrary bitstream generator by Houtzager, E., Benz, S.P., van den Brom, H.E.

“…We describe measurements with a pulse-driven AC Josephson voltage standard (ACJVS) that uses a ternary arbitrary bitstream generator as the bias source. From…”
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Calibrating a sampling voltmeter using a binary Josephson system by van den Brom, H.E., Houtzager, E., Martina, Q.E.V.N., Rietveld, G.

“…A binary Josephson system was used to characterize an 81/2-digit sampling voltmeter. This voltmeter is the heart of the primary standard for power at 50 Hz or…”
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