Toward the Standardization of Limits to Offset and Noise in Electronic Instrument Transformers [PDF]
Sensors, 2020 The scenario of instrument transformers has radically changed from the introduction of the Low-Power version, both passive and active. The latter type, typically referred to as Electronic Instrument Transformers (EITs), has no dedicated standard within ...
Alessandro Mingotti +2 more
doaj +2 more sources
Failure investigation and asset management of combined measuring instrument transformers
High Voltage, 2021 Asset management of instrument transformers (ITs) has gained momentum in recent years due to their large population in the network and the potential adverse impacts of their increasing number of failures.
ShengJi Tee +4 more
doaj +2 more sources
A New Online Temperature Compensation Technique for Electronic Instrument Transformers
IEEE Access, 2019 Electronic instrument transformers are expected to play a significant protection and control role in the future smart grids. This paper aims at improving the performance and accuracy of electronic instrument transformers that are replacing the ...
Zhenhua Li +4 more
doaj +2 more sources
Dielectric Properties of Transformer Resin Under Varying Conditions: Impact on Instrument Transformer Stability and Accuracy [PDF]
SensorsThe accuracy of instrument transformers (ITs) is vital for the accurate measurement of electrical quantities. However, their performance is influenced by various factors during operation, including environmental conditions such as temperature, pressure ...
Simone Vincenzo Suraci +5 more
doaj +2 more sources
Experimental Validation of Simple Power Quality Indices for Frequency Content Assessment up to 150 kHz [PDF]
SensorsThe power system is evolving with the integration of new technologies, including electronic devices and renewable energy sources, which are increasingly used to support new applications, reduce dependence on fossil fuels, and drive system innovation ...
Christian Betti +3 more
doaj +2 more sources
Transmission Lines Positive Sequence Parameters Estimation and Instrument Transformers Calibration Based on PMU Measurement Error Model [PDF]
IEEE Access, 2019 Phasor Measurement Unit measurement data have been widely used in nowadays power system applications both in steady state and dynamic analysis. The performance of these applications running in utilities' energy management system depends heavily on an ...
Chen Wang +3 more
doaj +2 more sources
Decentralized robust dynamic state estimation in power systems using instrument transformers [PDF]
IEEE Transactions on Signal Processing, 2017 This paper proposes a decentralized method for estimation of dynamic states of a power system. The method remains robust to time-synchronization errors and high noise-levels in measurements.
Pal, Bikash C., Singh, Abhinav Kumar
core +2 more sources
Low-Power Instrument Transformers and Energy Meters: Opportunities and Obstacles
IEEE Instrumentation & Measurement Magazine, 2023 Low-Power Instrument Transformers (LPITs) are becoming the preferred measurement device in the medium voltage (MV) distribution network (DN). They have several benefits compared to legacy solutions.
A. Mingotti +3 more
semanticscholar +1 more source
Applied Sciences, 2021 Losses due to eddy currents in an open-type transformer core are significantly reduced by the lamination of the transformer core. In order to further reduce the eddy current losses, the open-type core often has a multi-part structure, i.e., it is ...
Stjepan Frljić +2 more
doaj +1 more source
International Workshop on Applied Measurements for Power Systems, 2023 This paper introduces the reference measurement systems for calibrating instrument transformers under power quality phenomena and their associated novel uncertainties.
Yeying Chen +8 more
semanticscholar +1 more source