Results 221 to 230 of about 4,287,450 (289)

Intelligent fault diagnosis of rotating machinery based on improved hybrid dilated convolution network for unbalanced samples. [PDF]

Sci Rep
Zhang Q, Hao C, Wang Y, Zhang K, Yan H, Lv Z, Fan Q, Xu C, Xu L, Wen Z, Liu W.   +10 more
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Stationary-frame power regulation for controlling grid-connected three-phase modular multilevel converter with low harmonic under unbalanced voltage.

Sci Rep
Akbari E.
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Incorporating Unbalanced Operation Constraints of Three-Phase Distributed Generation

IEEE Transactions on Power Systems, 2019
In this letter, we provide a convex-concave procedure based model to approximate the unbalance operation constraints of three-phase fossil-fuel distributed generation. This model transfers the non-convex unbalanced operation constraints into an iterative convex optimization procedure.
Yushi Tan, Zeyu Wang
openaire   +2 more sources

Robust Day-Ahead Operation Planning of Unbalanced Microgrids

IEEE Transactions on Industrial Informatics, 2019
The optimal energy management of microgrids in the face of uncertainty is a challenging task. It requires practical modeling of the microgrid along with an efficient decision-making tool to effectively improve the economical operation and power quality.
Mojtaba Sepehry, Mohammad Heidari Kapourchali, Visvakumar Aravinthan, Ward Jewell   +3 more
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Optimal Phase-Shifted Modulation Method for Suppressing the Current Ripple of Modular Multilevel Converter-Bidirectional DC–DC Converter Under Unbalanced Operation

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022
Modular multilevel converter-bidirectional dc–dc converter (MMC-BDC) can be used in the second generation of vessel integrated power system (IPS) to interconnect the medium-voltage dc (MVdc) bus and distributed energy storage elements (ESEs) for its ...
Peng Chen, Jilong Liu, F. Xiao, Zhichao Zhu, Zhaojie Huang, Qiang Ren   +5 more
semanticscholar   +1 more source

Unbalanced Operation Principle and Fast Balancing Charging Strategy of a Cascaded Modular Multilevel Converter–Bidirectional DC–DC Converter in the Shipboard Applications

IEEE Transactions on Transportation Electrification, 2020
In the vessel integrated power system (IPS), several common events, such as replacement of the aging batteries, isolation of fault modules, and launching of pulse loads, can make the state-of-charge (SOC) of energy storage elements (ESEs) inconsistent ...
Peng Chen, F. Xiao, Jilong Liu, Zhichao Zhu, Qiang Ren   +4 more
semanticscholar   +1 more source

The Modified Thermal Circuit Model for Three-phase Unbalanced Operation of Distribution Transformers

2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2), 2020
Distribution transformers (DT) are the core equipment of distribution power network. During the operation of DT, the internal temperature distribution is not uniform. Hotspot temperature is the most representative parameter.
Lingming Kong, W. Mo, Simin Luo
semanticscholar   +1 more source

Unbalanced Converter Operation

IEEE Transactions on Power Apparatus and Systems, 1966
The results of a digital computer investigation of the effects of unbalanced alternating voltages on converter operation is described. The problem is approached from the standpoint of symmetrical components and an exact analysis has been carried out for an arbitrary ratio of positive and negative sequence voltages.
A. Phadke, J. Harlow
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Operation of rectifiers under unbalanced conditions

Electrical Engineering, 1944
THE development of single-anode rectifying elements has greatly stimulated the application of rectifiers to general industrial and essential duty loads. Sealed ignitron rectifiers1 have been made available in a range of ratings, and industry is vitally interested in the performance of these equipments when operated under conditions of partialanode ...
E. F. Christensen, M. M. Morack
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Unbalanced operation of a magnetic frequency tripler

IEEE Transactions on Magnetics, 1982
This paper considers a magnetic frequency tripler operating from an unbalanced three-phase supply. It is shown that even small unbalances can significantly alter the normal behaviour of the device and lead to undesired operating modes. This paper outlines a method of analysis and offers general guidelines for the design of stable devices.
G. Bendzsak, P. Biringer
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