Results 221 to 230 of about 20,714 (266)

Series connection of IGBT's with active voltage balancing

IEEE Transactions on Industry Applications, 1999
This paper describes a gate drive circuit for series-connected IGBTs in high voltage applications. The control criterion of the gate drive circuit is to actively limit the voltages during switching transients, while minimizing the switching transient and losses. In order to achieve the control criterion, a closed loop control scheme is adopted.
V. Chitta, null Soonwook Hong, D.A. Torrey   +2 more
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The Voltage Balance in the Mercury Cell

Journal of The Electrochemical Society, 1950
The distribution of voltage drop through a mercury cell has been calculated and directly measured at different current densities in an industrial de Nora cell which is described. The cell was operated at constant temperature and fed with 305 g/l sodium chloride solution at a rate proportional to current density.
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A UPFC-based voltage compensator with current and voltage balancing function

Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005., 2005
In this paper, a control strategy for a three-phase UPFC-based voltage compensator with the function of current and voltage balancing is proposed. Line voltage variations and line current and voltage unbalance are compensated simultaneously by the proposed compensator.
Y. Ikeda, T. Kataoka
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Balancing high-voltage batteries

Power Engineering Journal, 1991
How often do we hear, at the site of a natural disaster such as a storm or flood1, ‘if only I'd made sure my insurance policy was up to date! ’ It is always easy to be wise after the event, and all too easy to be misled into believing that cover is adequate to cope with any emergency. So it is with standby battery systems.
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Sensorless voltage balancing method for modular multilevel converter

International Journal of Circuit Theory and Applications, 2022
AbstractModular multilevel converters (MMCs) have become prominent for high and medium power applications. The phase‐disposition pulse width modulation (PDPWM) technique is a carrier‐based method that generates good quality output. However, it has the inherent problem of uneven power distribution. Conventionally, this is solved by expensive voltage and
Hari Babu Gobburi, Vijay B. Borghate, Prafullachandra M. Meshram   +2 more
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Voltage Balance and Energy Balance in an Electrolytic Cell

1985
Electrolytic current will flow from the anode to the cathode in electrolytic solution in a cell by means of transport of both cations and anions to the respective directions of the electric field. The mechanism of conduction in electrolytic solution differs from that in a metallic conductor in which free electrons move in the inverse direction of flow ...
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Progress in measurements with the ETF voltage balance

IEEE Transactions on Instrumentation and Measurement, 1993
The results of two series of measurements with the ETF-84 voltage balance carried out in 1987 and 1988, using the classical method of weighting, were previously presented by the authors (1988) with the proviso that some systematic errors had not been accounted for.
V. Bego, K. Poljancic, J. Butorac, G. Gasljevic   +3 more
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Voltage balancing using switched capacitors

Electric Power Systems Research, 1992
Thyristor switched capacitors (TSCs) are a useful means of load balancing and reactive power support. The control of a general load by a binary weighted switched capacitor system is discussed in this paper along with a simple control scheme where the capacitor bank across a line pair is adjusted to control the fundamental voltage magnitude for that ...
Ledwich, G. F., Hosseini, S. H., Shannon, G. F.   +2 more
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A Self-Balancing High-Voltage Capacitance Bridge

IEEE Transactions on Instrumentation and Measurement, 1964
A self-balancing high-voltage capacitance ratio bridge, especially designed for continuous measurement of corona losses on experimental transmission lines, is described. The instrument is derived by combining a negative-feedback amplifier with a high-voltage capacitance bridge based on the current comparator principle.
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A comparison of voltage balancing versus energy balancing approach for modular multilevel converters

IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, 2016
The multilevel submodules (SMs) bring the added advantages of compact size and improved efficiency over standard submodules to the modular multilevel converter (MMC). These SMs have more than one floating capacitor, which stores the arm energy. Each arm of MMC has several SMs connected in series to meet the required operating voltage. The SM capacitors
Apparao Dekka, Bin Wu 0007, Ricardo Lizana, Navid Reza Zargari   +3 more
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