Results 11 to 20 of about 33,274 (252)
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
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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
Trends in Measuring Instrument Transformers for Gas-Insulated Switchgears: A Review
EnergiesVoltage and current measurements in high-voltage substations are fundamental for stable operation. Conventional instrument transformers (ITs) face challenges in gas-insulated switchgears (GISs), such as size, weight, accuracy limitations, and behavioral ...
Dong-Eon Kim +3 more
doaj +3 more sources
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
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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
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Sensors, 2020 Sampling-based calibration systems for calibrating “Sampled Value” (SV)-based instruments for substation automation require synchronised and time-aligned sampling processes.
Yeying Chen +3 more
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Test equipment and its effect on the calibration of instrument transformers [PDF]
Journal of Sensors and Sensor Systems, 2018 State-approved test centres in Germany supplying accuracy tests for instrument transformers must, in the future, provide measurement uncertainty budgets for their quality management systems.
E. Mohns, P. Räther
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Energies, 2021 Knowledge of lightning impulse (LI) voltage distribution over transformer windings during the design stage of the transformer is very important. Specific design differences in inductive voltage transformers make the transient analysis approach different ...
Bojan Trkulja +3 more
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Machine Learning Approach Application for High-voltage Instrument Transformers Technical State Assessment [PDF]
ITM Web of Conferences, 2019 This paper describes the possibilities of machine learning application in the tasks of technical state assessment of high-voltage instrument transformers.
Khalyasmaa Alexandra +3 more
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Modelling and optimisation of design of non-conventional instrument transformers [PDF]
, 2019 In this paper, we have proposed, modelled and optimised several designs of non-conventional instrument transformer (NCIT) for high voltage overhead transmission lines (400kV).
Bojan Nikolić +5 more
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