Yeying Chen
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View article: Reference Measurement Systems for the Calibration of Instrument Transformers Under Power Quality Phenomena and their Uncertainties
Reference Measurement Systems for the Calibration of Instrument Transformers Under Power Quality Phenomena and their Uncertainties Open
This paper introduces the reference measurement systems for calibrating instrument transformers under power quality phenomena and their associated novel uncertainties. The systems are lately developed at the national metrology institutes i…
View article: Performance Evaluation of Instrument Transformers in Power Quality Measurements: Activities and Results from 19NRM05 IT4PQ Project
Performance Evaluation of Instrument Transformers in Power Quality Measurements: Activities and Results from 19NRM05 IT4PQ Project Open
The accuracy of power quality measurements relies on the use of common measurement procedures and traceable measurement systems, which necessarily include instrument transformers. The paper provides an overview of the progress achieved wit…
View article: Characterization of Instrument Transformers under Realistic Conditions: Impact of Single and Combined Influence Quantities on Their Wideband Behavior
Characterization of Instrument Transformers under Realistic Conditions: Impact of Single and Combined Influence Quantities on Their Wideband Behavior Open
Instrument transformers (ITs) play a key role in electrical power systems, facilitating the accurate monitoring and measurement of electrical quantities. They are essential for measurement, protection, and metering in transmission and dist…
View article: Performance evaluation of instrument transformers in power quality measurements: activities and results from 19NRM05 IT4PQ project
Performance evaluation of instrument transformers in power quality measurements: activities and results from 19NRM05 IT4PQ project Open
The accuracy of power quality measurements relies on the use of common measurement procedures and traceable measurement systems, which necessarily include instrument transformers. The paper provides an overview of the progress achieved wit…
View article: How Instrument Transformers Influence Power Quality Measurements: A Proposal of Accuracy Verification Tests
How Instrument Transformers Influence Power Quality Measurements: A Proposal of Accuracy Verification Tests Open
The integration of renewable energy sources on a large scale in the electrical energy distribution systems, as well as the widespread of non-linear loads, has led to a significant increase in power quality (PQ) disturbances. For this reaso…
View article: Reference system for current sensor calibrations at power frequency and for wideband frequencies
Reference system for current sensor calibrations at power frequency and for wideband frequencies Open
This paper describes the reference system for current sensor calibrations at power frequency and for wideband frequencies. The reference system is lately used for researches at PTB in the frame of two European projects: “IT4PQ - Measuremen…
View article: ASSESSMENT OF INSTRUMENT TRANSFORMER ACCURACY FOR POWER QUALITY MEASUREMENTS IN DISTRIBUTION GRIDS: RECENT ACTIVITIES AND FIRST RESULTS FROM 19NRM05 IT4PQ PROJECT
ASSESSMENT OF INSTRUMENT TRANSFORMER ACCURACY FOR POWER QUALITY MEASUREMENTS IN DISTRIBUTION GRIDS: RECENT ACTIVITIES AND FIRST RESULTS FROM 19NRM05 IT4PQ PROJECT Open
Extensive integration of renewables in the electrical energy distribution system is essential for the implementation of “green growth” strategies. However, it contributes to the degradation of the quality of the electrical power, as such p…
View article: Novel Calibration systems for the dynamic and steady-state testing of digital instrument transformers
Novel Calibration systems for the dynamic and steady-state testing of digital instrument transformers Open
Within the frame of the European project “Future Grid II – Metrology for the next-generation digital substation instrumentation”, several partners developed traceable calibration systems which allow the calibration of conventional or non-c…
View article: Novel Calibration systems for the dynamic and steady-state testing of digital instrument transformers
Novel Calibration systems for the dynamic and steady-state testing of digital instrument transformers Open
The measurement of harmonics is one of the key tasks in modern power systems, performed basically for power quality assessment, verification of planning levels compliance, immunity and compatibility purposes, and so on. Especially at mediu…
View article: Traceable calibration system for non-conventional current sensors with analogue or digital output
Traceable calibration system for non-conventional current sensors with analogue or digital output Open
This paper describes the setup of a traceable calibration system for conventional or non-conventional current sensors even with digital output. The system is lately developed at PTB within the frame of the European project “FUTUREGRID II”.…
View article: Precise Amplitude and Phase Determination Using Resampling Algorithms for Calibrating Sampled Value Instruments
Precise Amplitude and Phase Determination Using Resampling Algorithms for Calibrating Sampled Value Instruments Open
Sampling-based calibration systems for calibrating “Sampled Value” (SV)-based instruments for substation automation require synchronised and time-aligned sampling processes. As the signal frequency of the power grid is always asynchronous …
View article: Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA
Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA Open
This paper describes the setup and characterization of a set of wideband Current-to-Voltage (C-to-V) transformers equipped with symmetrical primary windings. The objective is to use the C-to-V transformer set to calibrate digital instrumen…
View article: Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA
Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA Open
This paper describes the setup and characterization of a set of wideband Current-to-Voltage (C-to-V) transformers equipped with symmetrical primary windings. The objective is to use the C-to-V transformer set to calibrate digital instrumen…
View article: Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA
Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA Open
This paper describes the setup and characterization of a set of wideband Current-to-Voltage (C-to-V) transformers equipped with symmetrical primary windings. The objective is to use the C-to-V transformer set to calibrate digital instrumen…
View article: Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA
Development of a Wideband Current-to-Voltage Transformer Set for Currents up to 2 kA Open
This paper describes the setup and characterization of a set of wideband Current-to-Voltage (C-to-V) transformers equipped with symmetrical primary windings. The objective is to use the C-to-V transformer set to calibrate digital instrumen…
View article: Dataset for publication "Setup and Characterisation of Reference Current-to-Voltage Transformers for Wideband Current Transformers Calibration up to 2 kA"
Dataset for publication "Setup and Characterisation of Reference Current-to-Voltage Transformers for Wideband Current Transformers Calibration up to 2 kA" Open
This is dataset related to paper published in AMPS 2019: Y. Chen, E. Mohns, H. Badura, P. Räther and M. Luiso: Setup and Characterisation of Reference Current-to-Voltage Transformers for Wideband Current Transformers Calibration up to 2 kA…
View article: Dataset for publication "Setup and Characterisation of Reference Current-to-Voltage Transformers for Wideband Current Transformers Calibration up to 2 kA"
Dataset for publication "Setup and Characterisation of Reference Current-to-Voltage Transformers for Wideband Current Transformers Calibration up to 2 kA" Open
This is dataset related to paper published in AMPS 2019: Y. Chen, E. Mohns, H. Badura, P. Räther and M. Luiso: Setup and Characterisation of Reference Current-to-Voltage Transformers for Wideband Current Transformers Calibration up to 2 kA…