Results 1 to 10 of about 325,840 (312)

Inverter Temperature Monitoring of Cordless Tool Motor Drives

IEEE Open Journal of the Industrial Electronics Society, 2023
Nowadays, with the recent advances in battery technologies, cordless tools are gaining more popularity and many manufacturers have enhanced their series of autonomous devices with powerful instruments like circular saws and punches.
Anton Dianov
doaj   +1 more source

Estimation of Line Parameters, Tap Changer Ratios, and Systematic Measurement Errors Based on Synchronized Measurements and a General Model of Tap-Changing Transformers

IEEE Open Journal of Instrumentation and Measurement, 2022
A primary requirement for the transmission system operator is an accurate knowledge of grid parameters. Moreover, the availability of effective and accurate monitoring tools allows the proper operation of power transmission grids.
Paolo Attilio Pegoraro, Carlo Sitzia, Antonio Vincenzo Solinas, Sara Sulis   +3 more
doaj   +1 more source

Suitability of Voltage Sensors for the Measurement of Switching Voltage Waveforms in Power Semiconductors

IEEE Open Journal of Power Electronics, 2022
This paper investigates the effect of voltage sensors on the measurement of transient voltages for power semiconductors in a Double Pulse Test (DPT) environment.
Sebastian Sprunck, Martin Koch, Christian Lottis, Marco Jung   +3 more
doaj   +1 more source

Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]

, 2010
An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G., Cross, K.J., A. Balestrero, J. W. McBride, G. Tribulato, K. J. Cross, L. Ghezzi, McBride, J.W., Balestrero, A., Ghezzi, L.   +9 more
core   +1 more source

A Comprehensive Mixed-Mode Time-Domain Load- and Source-Pull Measurement System [PDF]

, 2010
We present a novel test set devised for nonlinear balanced device characterization using load-pull techniques. The system is capable of measuring the voltage and current waveforms at the calibration reference planes while independently tuning the device ...
Ferrero, Andrea Pierenrico, Garelli, Marco, Bonino, Serena, Teppati, Valeria   +3 more
core   +1 more source

A Development of a Capacitive Voltage Divider for High Voltage Measurement as Part of a Combined Current and Voltage Sensor

Elektronika ir Elektrotechnika, 2020
This article deals with the development of capacitive voltage divider for high voltage measurements and presents a method of analysis and optimization of its parameters.
Roman Hrbac, Vaclav Kolar, Mikolaj Bartlomiejczyk, Tomas Mlcak, Petr Orsag, Jakub Vanc   +5 more
doaj   +1 more source

Development and Validation of a Novel Setup for LEDs Lifetime Estimation on Molded Interconnect Devices

Instruments, 2018
Higher energy efficiency, more compact design, and longer lifetime of light-emitting diodes (LEDs) have resulted in increasing their market share in the lighting industry, especially in the industries of consumer electronics, automotive, and general ...
Mahdi Soltani, Moritz Freyburger, Romit Kulkarni, Rainer Mohr, Tobias Groezinger, André Zimmermann   +5 more
doaj   +1 more source

A subsystem‐based fault location method in distribution grids by sparse measurement

IET Generation, Transmission & Distribution, 2023
With the development of smart meters and other intelligent electronic devices, more and more data‐driven fault location methods based on wide area measurement are emerging.
Xiaodong Lv, Lifen Yuan, Zhen Cheng, Baiqiang Yin, Yigang He, Chengwei Ding   +5 more
doaj   +1 more source

An improved pulsed electroacoustic system for space charge measurement under AC conditions [PDF]

, 2010
In this paper, an improved space charge measurement system based on the pulsed electro acoustic technique (PEA) is presented. The new system gives an essential way to examine the role of space charge in electrical aging process under AC conditions.
Z. Xu, J. Zhao, Xu, Z, Zhao, J, Xu, Z., Chen, G., G. Chen, Zhao, J., Chen, G   +8 more
core   +1 more source

Semiconductor loss calculation of DC–DC modular multilevel converter for HVDC interconnections

High Voltage, 2018
DC–DC modular multilevel converter (DC–DC MMC) is an attractive candidate for high-voltage DC (HVDC) interconnections since it can provide the required voltage matching, galvanic isolation and flexible power control abilities.
Shanshan Zhao, Yu Chen, Li Peng
doaj   +1 more source