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	1. Analysis of electromagnetic characteristics of five-phase induction motor before and after phase loss
	LIU Yuwei,SUN Peng,WANG Jiguang,SHEN Guiyue,AI Mengmeng
	Dynamic and Electronic Engineering 01 November 2021
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:Compared with the traditional three-phase induction motor, multiphase induction motor not only has the characteristics of high efficiency and high power density, but also has the advantages of small torque ripple and strong anti-interference. Therefore, it has been paid great attention in the application of electric ship propulsion, aircraft drive, locomotive traction and high-power industry. In this paper, a 15kw five-phase induction motor is taken as the research object. Based on Maxwell electromagnetic field theory, the two-dimensional electromagnetic transient field model of five-phase induction motor is established by using finite element simulation software, and solving the problem of the magnetic density, torque and electromagnetic loss of the motor under different working conditions.
	TO cite this article:LIU Yuwei,SUN Peng,WANG Jiguang, et al. Analysis of electromagnetic characteristics of five-phase induction motor before and after phase loss[OL].[ 1 November 2021] http://en.paper.edu.cn/en_releasepaper/content/4755668


	2. Study on the Resonant Instability of LCL-TYPE Photovoltaic Farms
	RAN Lize,WANG Jianze
	Dynamic and Electronic Engineering 01 June 2020
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	Abstract:For the grid side current fed LCL inverter based photovoltaic farms, the mechanism of high-frequency resonance is revealed in this paper: the photovoltaic power station is equal to the circuit in which the resistance is connected in series with the capacitor in a certain frequency region, and it will be possible to construct an equivalent RLC resonant circuit with inductive grid impedance to produce an unstable or weak damping circuit resonance, represented as a high frequency resonant component emerging in the grid side current of LCL inverter. In addition, this paper theoretically verifies the RLC equivalent circuit and analyzes its excitation conditions. Furtherly, the influence of the control function of the LCL inverter on the damping characteristics of the equivalent resonant circuit is analyzed. Finally, the correctness of the analysis is verified by simulation experiments.
	TO cite this article:RAN Lize,WANG Jianze. Study on the Resonant Instability of LCL-TYPE Photovoltaic Farms[OL].[ 1 June 2020] http://en.paper.edu.cn/en_releasepaper/content/4752227


	3. Research on Control Strategy of SCESS-DFIG Grid-side Converter Based on Power-Energy Balance
	Long Haotian,Sun Dongyang,Sun Li
	Dynamic and Electronic Engineering 16 April 2020
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	Abstract:In this paper, the problem of DC bus capacitance voltage fluctuation caused by multiple converters is studied. The main function of super capacitor energy storage device and DC-DC converter is to provide inertia response power, and its power characteristic is step load. Due to changes in the DC load characteristics of the gird side converter, the balance and stability of the original system will also change. Because the complex topology and system composition of wind storage integrated doubly fed wind turbine, the conventional control strategy can not be used to improve the dynamic response speed. Therefore, this paper designs a control strategy which is suitable for the rapid recovery of DC bus capacitance voltage of wind storage integrated doubly fed wind turbine. The theory proposed in this paper is verified by simulation model and experiment.
	TO cite this article:Long Haotian,Sun Dongyang,Sun Li. Research on Control Strategy of SCESS-DFIG Grid-side Converter Based on Power-Energy Balance[OL].[16 April 2020] http://en.paper.edu.cn/en_releasepaper/content/4751504


	4. A Hybrid Channel Allocation Method for Power Line Communication
	ZOU Deqin,LIU Xiaosheng
	Dynamic and Electronic Engineering 26 March 2018
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	Abstract:Power line communication uses the power line of power system as a communication medium, so its convenience is unparalleled. Meanwhile, it is considered to be one of the best communication technologies in smart grid. This technology must be more and more widely used in the future. However, the whole network of PLC shares one channel, leading to shortage of channel resources. The time variation of PLC system also contributes to reduce channel utilization. In this paper, a hybrid channel allocation method based on PRIME will be proposed. It combines the strength of TDMA and CSMA/CA, which can significantly avoid collision, increase throughput and decrease transmission delay. It is emphasized on TDMA, and CSMA/CA is auxiliary. The idea of time-sharing transmission is used in the method. The results of simulation will show that the method is feasible and effective. The method is of great significance to improve overall performance of PLC.
	TO cite this article:ZOU Deqin,LIU Xiaosheng. A Hybrid Channel Allocation Method for Power Line Communication[OL].[26 March 2018] http://en.paper.edu.cn/en_releasepaper/content/4743967

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