Results 251 to 260 of about 136,626 (309)

Far-field wireless power transmission module with MEMS-based laser steering for optogenetic applications. [PDF]

iScience
Kim Y, Kim BK, Kim KS.
europepmc   +1 more source

The Compact Dual Ion Composition Experiment (CoDICE) for the IMAP Mission. [PDF]

Space Sci Rev
Livi SA, Desai MI, Ogasawara K, Kistler L, Möbius E, Starkey MJ, Dayeh MA, Kataria D, Elliott HA, Hart S, Alterman B, McComas DJ, Pollock CJ, Mukherjee J, Trevino J, Ferrell S, Brenner T, Pope SE, Tapley M, Pavlas K, Rankin JS, Shen MM, Khoo L, Alimaganbetov M, Teifert J, Roemer EM, Shaw-Lecerf M, Escobar J, Christian ER, Schwadron NA, Gkioulidou M, Grubbs G, Brysch M, Epperly M, George D, Dunn G, Ford J, Schwendeman CL, Commons M, Persyn S, Jaskulek S, Weidner S, Bert C, Ferris M, Rodriguez B, Nunez C, Urdiales C, Cortinas S, Rodriguez H.   +48 more
europepmc   +1 more source

A low-cost and open-source olfactometer to precisely deliver single odours and odour mixtures

Doyle C, Wang J, Galliano E, Guillaume C.   +3 more
europepmc   +1 more source

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Step-Voltage Regulator Model Test System

2015 IEEE Power & Energy Society General Meeting, 2015
In this paper, a 4-node test feeder will be proposed as the Step-Voltage Regulator (SVR) model test system. The formulation for modelling a SVR bank consisting on three single phase Type A regulators in raise position will be stated in an extended way. However, the procedure to extend the formulation to any other connection will be also explained, and ...
Rejwanur Rashid Mojumdar, Pablo Arboleya, Cristina Gonzalez-Moran   +2 more
openaire   +1 more source

A voltage quality improvement solution using step dynamic voltage regulator

PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409), 2002
The 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
openaire   +1 more source

Control of high-step down voltage converters for voltage regulator modules

2011 8th International Conference on Electrical Engineering, Computing Science and Automatic Control, 2011
New technologies are requiring high step-down conversion voltages. A possible solution to this problem is to use several buck converters connected in cascade; however, a complex control circuitry is required. An alternative solution is to use an n-stage positive output cascade buck converter with a single active switch.
J. Leyva-Ramos, L. H. Diaz-Saldierna, M. G. Ortiz-Lopez   +2 more
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Voltage control of multiple step voltage regulators by renewing control parameters

2014 Power Systems Computation Conference, 2014
This paper presents a novel method of determining the control parameters and a voltage control method for multiple step voltage regulators (SVRs) in a single feeder. The main feature of the proposed method is the updating of the control parameters at constant intervals to minimize the amount of voltage violations and the tap operation times of the SVRs
Shinya Yoshizawa, Yuya Yamamoto, Jun Yoshinaga, Yasuhiro Hayashi, Shunsuke Sasaki, Takaya Shigetou, Hideo Nomura   +6 more
openaire   +1 more source

Integration of step voltage regulators in islanded microgrids

2017 IEEE International Conference on Industrial Technology (ICIT), 2017
Step voltage regulators (SVRs) are the workhorses of existing distribution feeders, where they provide appropriate voltage control to meet the customer demands. Given the special features and operation characteristics of islanded microgrids (IMGs), the role of SVRs during the operation of distribution networks in islanded mode has not been well ...
Nader A. El-Taweel, H.E. Farag
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Digital Control and Instrumentation for Step-Voltage Regulators

IEEE Power Engineering Review, 1985
Voltage regulators, LTC transformers, and switched capacitors control the voltage on a power system within defined limits. The devices used to control such equipment have used analog electronics. With developments in microprocessors, some control devices now use digital electronics because of their improved measurement accuracy, digital readout ...
T. Samuel, N. Nohria
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