Results 211 to 220 of about 41,690 (253)
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Step-up AC Voltage Regulators with High-Frequency Link
IEEE Transactions on Power Electronics, 2013A circuit configuration and a circuit topological family of step-up ac voltage regulators with high-frequency link are proposed. This kind of circuit topology is composed of input LC filter, energy-storage inductor, input cycloconverter, high-frequency transformer, output cycloconverter and output filtering capacitor.
Daolian Chen, Yanhui Chen
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Flexible Step-Voltage Regulator for Unbalanced Distribution Networks
IEEE Transactions on Industry Applications, 2022Bevin K C +2 more
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A Microcomputer Control for Step-Voltage Regulators
IEEE Transactions on Power Apparatus and Systems, 1985Advances in the state of the art applicable to electronic controls make possible continuing enhancements in these products. The use of microprocessor based digital techniques is the latest advance in a long continuing evolution of products dedicated to the control of step-voltage regulators or load tapchangers on transformers. The fundamental nature of
J. H. Harlow, C. J. LaPlace
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Integration of step voltage regulators in islanded microgrids
2017 IEEE International Conference on Industrial Technology (ICIT), 2017Step 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 +1 more
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Novel voltage control of multiple step voltage regulators in a distribution system
ISGT 2014, 2014This paper presents a novel method for determining the control parameters and a voltage control method for multiple step voltage regulators (SVRs) in a single feeder. The main purpose of the proposed method is to reduce the amount of voltage violation and the tap operation times and to extend the voltage margin from the upper and lower voltage limits ...
Shinya Yoshizawa +6 more
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Control of high-step down voltage converters for voltage regulator modules
2011 8th International Conference on Electrical Engineering, Computing Science and Automatic Control, 2011New 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.
Jesús Leyva-Ramos +2 more
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Voltage control of multiple step voltage regulators by renewing control parameters
2014 Power Systems Computation Conference, 2014This 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 +6 more
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Digital Control and Instrumentation for Step-Voltage Regulators
IEEE Power Engineering Review, 1985Voltage 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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Step-Voltage Regulator Model Test System
2015 IEEE Power & Energy Society General Meeting, 2015In 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 +2 more
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Step type feeder voltage regulators
Electrical Engineering, 1935Discussion and author's closure of a paper by L H. Hill published in the February 1935 issue, pages 154–8, and presented for oral discussion at the distribution and transmission session of the South West District meeting, Oklahoma City, Okla., April 26, 1935. F. L. Snyder (Westinghouse Elec. and Mfg.
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