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A Residual Voltage Data-Driven Prediction Method for Voltage Sag Based on Data Fusion
Symmetry, 2022 Voltage sag is the most serious power quality problem in the three-phase symmetrical power system. The influence of multiple factors on the voltage sag level and low computational efficiency also pose challenges to the prediction of residual voltage amplitude of voltage sag.
Chen Zheng, Qionglin Li
exaly +4 more sources
The Circuit Design of Residual Voltage Test For Electric Products [PDF]
Physics Procedia, 2012 AbstractMany national standards have requirements about the maximum value of residual voltage for electrical equipments[1], it requires to measure residual voltage accurately, the human body may have a certain degree of security risk if the measured value is lower than the truth value of residual voltage, but if the measured value is higher than the ...
Qian Xiaoyao, Qian Jiawei
exaly +3 more sources
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Residual Voltage in Polyethylene
Japanese Journal of Applied Physics, 1982A considerably high residual voltage can be observed even in non-degraded polyethylene by a non-contacting method using an electrostatic voltmeter. This residual voltage increases nonlinearly with increasing applied voltage and duration of voltage application, but decreases as the duration of short-circuiting is increased.
Katsumi Yoshino +5 more
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A General Easy-to-Use Expression for Uncertainty Evaluation in Residual Voltage Measurement [PDF]
IEEE Transactions on Instrumentation and Measurement, 2020 This paper addresses one of the new and most important issues arising when low-power voltage transformers (LPVTs) are used in power network substations for evaluating, among others, the residual voltage measurement. Conversely to open-triangle inductive instrument transformers, the use of phase voltage transformers for measuring the residual voltage ...
Alessandro Mingotti +2 more
exaly +2 more sources