Results 301 to 310 of about 2,589,650 (335)
Automatic voltage regulator using an AC voltage-voltage converter [PDF]
IEEE Transactions on Industry Applications, 2000 Voltage sags and extended undervoltages are one of the main concerns of industry today. These voltage sags could cause high negative impact on productivity, which is certainly an undesirable aspect in industrial and commercial applications. Current tap-changing transformers used in distribution systems have proven to be inadequate in solving these ...
S.M. Hietpas, M. Naden
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CMOS voltage reference based on threshold voltage and thermal voltage [PDF]
Analog Integrated Circuits and Signal Processing, 2009 A fully CMOS based voltage reference circuit is presented in this paper. The voltage reference circuit uses the difference between gate-to-source voltages of two MOSFETs operating in the weak-inversion region to generate the voltage with positive temperature coefficient. The reference voltage can be obtained by combining this voltage difference and the
Chung-Chih Hung +2 more
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High voltage capacitive voltage conversion [PDF]
2018 IEEE 30th International Symposium on Power Semiconductor Devices and ICs (ISPSD), 2018 A novel high-voltage, ultra-high efficiency monolithic DC-DC Converter is presented. The disclosed architecture was integrated in the X-Fab XT018 SOI process using lateral Super Junction NMOS devices for up to 400V operation. Buck or boost voltage conversion is realized using high-voltage switched-capacitor and gate-driver techniques enabling ...
Alexander Holke, Randall L. Sandusky
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A voltage-to-voltage transducer for distorted signals in high-voltage systems
IMTC/99. Proceedings of the 16th IEEE Instrumentation and Measurement Technology Conference (Cat. No.99CH36309), 2003Measuring voltages in HV electric power systems requires scaling the signal amplitude to the levels suitable for the input section of the employed instruments and, for safety reason, insulating the measuring instrument from the system. Both these operations are usually performed by capacitive voltage transformers, but such systems do not assure high ...
SVELTO, CESARE +2 more
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Mitigation of voltage sags and voltage swells by dynamic voltage restorer
3rd International Conference on Advances in Recent Technologies in Communication and Computing (ARTCom 2011), 2011Modern industrial processes are based on a large amount of electronic devices such as programmable logic controllers and adjustable speed drives. Unfortunately, electronic devices are sensitive to disturbances, and thus, industrial loads become less tolerant to power quality problems such as voltage sags, voltage swells, and harmonics.
D. Rajasekaran +2 more
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Mitigation of Voltage Sag And Voltage Swell By Dynamic Voltage Restorer
2019 International Conference on Intelligent Computing and Control Systems (ICCS), 2019This work deals with reducing major voltage flickering problems by using dynamic voltage restoration and SPWM technique it helps to improve the power quality of the system. Even though voltage swag and swell occurs in transmission as well as distribution side but the problem is resolved only at the distribution side.
Jyotiranjan Mohnaty +5 more
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