Results 31 to 40 of about 33,033 (241)
Energies, 2023 Power grids are a combined system where the electrical energy produced by the power plants is transmitted to consumers. This forms a specific interdependence where the recipients have a significant impact on the power quality.
Michal Kaczmarek, Ernest Stano
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Evaluation of Voltage Transformers’ Accuracy in Harmonic and Interharmonic Measurement
IEEE Open Journal of Instrumentation and Measurement, 2022 The measurement of Power Quality (PQ), generally performed at Low Voltage (LV) level, is gaining more and more importance also at the Medium Voltage (MV) level, due to the increasing presence of switching power converters (both loads or generators ...
Gabriella Crotti +4 more
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Sensors, 2022 This paper analyzes the impact of typical DC transient events occurring in railway grids on the frequency performance of instrument transformers (ITs) installed onboard trains and in AC substations for power quality (PQ) applications.
Palma Sara Letizia +2 more
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Development of electro-optic polymers for high-voltage instrument transformers [PDF]
, 1994 This paper describes some poled electrooptic bulk polymers (EOP) of the guest/host type having a cured epoxy resin as the host. The electrooptic polymers of typical dimensions 13 X 13 X 3 mm are characterized with respect to application as Pockels ...
Marder, Seth R. +2 more
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Medium voltage digital instrument transformer [PDF]
E3S Web of ConferencesInstrument transformers with digital output provides significant advantages, including those related to increased reliability of power system operation.
Ulyanov Dmitriy, Plakidin Roman
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Simplifying Rogowski Coil Modeling: Simulation and Experimental Verification
Sensors, 2023 The integration of renewable energy sources, electric vehicles, and other electrical assets has introduced complexities in monitoring and controlling power networks.
Alessandro Mingotti +3 more
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Temperature characterisation of an optically-interrogated Rogowski coil [PDF]
, 2014 An investigation into the performance of an optically-interrogated Rogowski coil over temperatures up to 80 °C is presented. Preliminary thermal tests reveal that the sensor response is temperature-dependent and the measurement errors are increased at ...
Fusiek, Grzegorz +2 more
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Sensors, 2021 Conventional current transformers (CTs) suffer from nonlinearities due to their ferromagnetic cores. On one hand, it is well-known that severe core saturation may occur because of large overcurrents or unidirectional transient components: this may ...
Christian Laurano +2 more
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Internal Arc Performance of Instrument Transformers Filled with Different Dielectric Liquids
EnergiesInternal arc testing is still a controversial topic in the instrument transformer world. The main reason for that is the fact that even a fully successful test guarantees only a certain degree of transformer safety. Furthermore, the test does not cover a
Ivan Mihoković +3 more
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Using the next generation combined digital transformers [PDF]
E3S Web of Conferences, 2020 The paper considers and analyzes the use of new generation combined digital instrument transformers (DIT) with an optoelectronic conversion unit and a combining module or a stand-alone combining module, an external synchronization source or an internal ...
Yusupova Angela +2 more
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