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An analysis and implementation of step-dynamic voltage regulator
2002 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.02CH37309), 2003This paper describes the design considerations and effectiveness of step-dynamic voltage regulator (S-DVR) as a solution to mitigate against voltage sags. A possible short-circuit problem encountered during S-DVR operation is identified and analyzed. Two solutions are proposed and they are validated through computer simulations.
S.S. Choi, J.W. Liu, S. Chen
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A voltage quality improvement solution using step dynamic voltage regulator
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409), 2002The quality of power supply is largely synonymous with voltage quality. Momentary voltage dips and fluctuations are some of the common power quality disturbances in the electrical supply networks. The effects of these disturbances transcend beyond just annoyances for the utility customers but may cause industrial-process interruptions which can incur ...
C.W. Toh, C.S. Lock, S. Chen, S.S. Choi
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Step-up LDO voltage regulator for a self-powered biosensor
2017 IEEE SENSORS, 2017A step-up low dropout voltage regulator for a selfpowered glucose biosensing system is designed for energy storage and delivery purposes. The self-powered glucose bio-sensing system consists of a glucose biofuel cell that is capable of producing micro-watt power and delivering ∼400 mV peak-voltage, or nominally 350 mV.
Md Qumrul Hasan, Gymama Slaughter
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Single-step voltage regulator Application
Electrical Engineering, 1951THE DESIGN LIMITS of rural distribution circuits usually are determined by permissible voltage drop rather than the thermal limitations of the conductor. Presently overloaded circuits supplying power at inadequate voltage levels are the result of conservative estimates of load growth.
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Regulation of the voltage-insensitive step of HERG activation by extracellular pH
American Journal of Physiology-Heart and Circulatory Physiology, 2010Human ether-à-go-go-related gene (HERG, Kv11.1, KCNH2) voltage-gated K+ channels dominate cardiac action potential repolarization. In addition, HERG channels play a role in neuronal and smooth cell excitability as well as cancer pathology. Extracellular pH (pHo) is modified during myocardial ischemia, inflammation, and respiratory alkalosis, so ...
Qinlian, Zhou, Glenna C L, Bett
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Controls for Step Voltage Regulators [includes discussion]
Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems, 1955A unique control circuit for step voltage regulators is described. An auxiliary relay with four pairs of contacts has been eliminated; this results in reduced maintenance and quiet operation. Full integrating time delay is obtained by means of a motor-driven time-delay relay operated directly by the contacts of the voltage-regulating relay. Sparking on
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2006 IEEE Power Engineering Society General Meeting, 2006
This paper presents coordination of distributed generation (DG) and step voltage regulator (SVR) operations for improved distribution system voltage regulations. Examples include DG with induction and synchronous generators and SVRs with different control modes.
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This paper presents coordination of distributed generation (DG) and step voltage regulator (SVR) operations for improved distribution system voltage regulations. Examples include DG with induction and synchronous generators and SVRs with different control modes.
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2020 IEEE REGION 10 CONFERENCE (TENCON), 2020
This paper describes optimal voltage control and optimal placement of the three-phase individual step voltage regulator (3ϕSVR) considering voltage unbalance improvement. As a result of active efforts to promote renewable energy, there is a concern that voltage unbalance will increase due to an increase in distributed power sources.
Akito Nakadomari +2 more
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This paper describes optimal voltage control and optimal placement of the three-phase individual step voltage regulator (3ϕSVR) considering voltage unbalance improvement. As a result of active efforts to promote renewable energy, there is a concern that voltage unbalance will increase due to an increase in distributed power sources.
Akito Nakadomari +2 more
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Application of step-dynamic voltage regulator to single-phase system
Proceedings. International Conference on Power System Technology, 2003Dynamic behavior of network voltages are investigated when a step-dynamic voltage regulator (S-DVR) is applied to power systems in which heavy single-phase load is connected. The analysis is based on the design criterion of using the regulator to restore the load voltage magnitude back to its nominal value.
J.W. Liu, S.S. Choi, S. Chen
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Transformerless step up alternating voltage regulators with sinusoidal currents
International Conference and Seminar of Young Specialists on Micro/Nanotechnologies and Electron Devices, 2012A new transformerless AC voltage regulators with a sinusoidal input and output currents and ability of voltage increasing are considered. The regulators can be used as the soft-starting devices for asynchronous motors. Results of mathematical modeling and analytical calculation of RMS values by fundamentals of the currents and voltage are given.
Aleksey V. Udovichenko +1 more
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