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	1. 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


	2. Analysis of operating characteristics for High-speed Railway Electric Motor Train Units under different operating conditions
	Wang Mengyao,Zhou Suquan
	Dynamic and Electronic Engineering 11 May 2017
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	Abstract:The Electric Motor Train Units (EMU) load is the main load of the power traction system for high-speed railway, so the accuracy of line characteristic description has an important influence on establishing traction load model. This article designed the logical control strategy for traction drive system and set up a complete digital simulation model of the traction drive system for CRH2 EMU, and then analyzed the traction and braking characteristics under different operating conditions, for example, ideal operation, voltage fluctuation of power supply system and different line factors such as slopes, curves and tunnels. Simulation results show that the designed model is effective and accurate.
	TO cite this article:Wang Mengyao,Zhou Suquan. Analysis of operating characteristics for High-speed Railway Electric Motor Train Units under different operating conditions[OL].[11 May 2017] http://en.paper.edu.cn/en_releasepaper/content/4731666

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	3. Power Compensation of a Induction Generator for Variable Speed Wind Energy System
	Mazhar H. Baloch,WANG Jie,ZHANG Dan,Ghulam Sarwar Kaloi,Sohaib Tahir
	Dynamic and Electronic Engineering 10 May 2017
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	Abstract:In this paper authors demonstrates the controller design and modeling of wind energy system based on 3-phase squirrel cage induction generator (SCIG) at variable speed (VS). Basically, static compenstaor is used to compensate and regulates the dynamic active and reactive power components through Simulink software Matlab. Moreover, from the simulation outcomes, the proposed controller response is quite adequate regarding quick recovery under various dynamic system disturbnaces.
	TO cite this article:Mazhar H. Baloch,WANG Jie,ZHANG Dan, et al. Power Compensation of a Induction Generator for Variable Speed Wind Energy System[OL].[10 May 2017] http://en.paper.edu.cn/en_releasepaper/content/4731854


	4. Electrical Characterization of Helium Plasma Jet in a Needle-to-Ring Electrode Configuration
	LIU Kun,WANG Chenying,LIAO Hua,HU Huimin
	Dynamic and Electronic Engineering 31 May 2016
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	Abstract:In this paper, To determine the effects of the factors such as electrode position, velocity and voltage on electrical characteristics of needle-ring atmosphere helium plasma jet, a jet device was designed in this study. The experimental results showed that: the stable positive current "multi-pulse" could be achieved, with three pulses at most and the larger the H valve (distance between ground electrode and nozzle) is, the earlier the positive current "multi-pulse" appeared; with the increase of H value, the amplitude of positive current impulse becomes higher; when H was 28 mm, in the stage of positive multi-pulse, displacement current in bulge form presented at the negative direction, and with the decrease of H value, the negative current pulse gradually appeared. Furthermore, the change of helium flow had little effect on the power of atmospheric pressure plasma jet under fixed voltage, however the power increased with the increase of H value; under the same voltage, with the increase of helium flow, jet length firstly increased to the maximum value, then decreased and stabilized; when H value increased, jet length presented a decreasing trend. We have also proposed a mechanism of the above experimental phenomena.
	TO cite this article:LIU Kun,WANG Chenying,LIAO Hua, et al. Electrical Characterization of Helium Plasma Jet in a Needle-to-Ring Electrode Configuration[OL].[31 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4694009


	5. Research on the Three-phase Photovoltaic Grid-connected Control Strategy
	LIU Yukai,HU Zhijian,ZHANG Ziyong,SUO Jianglei,LIANG Kaibin
	Dynamic and Electronic Engineering 04 May 2013
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	Abstract:This paper mainly studies scheduling type photovoltaic generation system, and establishes a three-phase photovoltaic grid-connected model in Matlab/Simulink, which uses the MPPT control that can make full use of the solar energy. At the same time, energy storage device is added. The inverter of the energy storage device adopts V/f control. In the running state of the islanding because of a certain power failure, it can maintain a constant voltage and frequency. The simulation shows that as the output of the photovoltaic power increases, harmonic rate decreases under the same conditions, and the energy storage device can increase the stability of photovoltaic grid and reduce harmonic contents. So it's very necessary to add energy storage device in the photovoltaic system.
	TO cite this article:LIU Yukai,HU Zhijian,ZHANG Ziyong, et al. Research on the Three-phase Photovoltaic Grid-connected Control Strategy[OL].[ 4 May 2013] http://en.paper.edu.cn/en_releasepaper/content/4541473


	6. Internal Fault Diagnosis ofPermanent Magnet Synchronous Generator
	Fang Hongwei
	Dynamic and Electronic Engineering 29 December 2012
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	Abstract:A coupled field-circuit method by taking into account the saturation is proposed in this paper. The stator winding inter-turn short circuit and the rotor eccentricity hybrid fault of permanent magnet synchronous generators (PMSG) is analyzed. The harmonic currents were used in order to investigate this kind of fault in a 7.5 kVA PMSG suitable for low-power wind generation applications. Simulation results have shown that the sideband frequency currents at 25 Hz and 75 Hz, and the 17th and 19th order components of terminal currents can be used as fault detection criteria.
	TO cite this article:Fang Hongwei. Internal Fault Diagnosis ofPermanent Magnet Synchronous Generator[OL].[29 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4510484


	7. The Concept of Gas-Solid Mixing Coefficient for Pulverized Coal Swirl Burner
	ZHAO Lingling,ZHOU Qiangtai,ZHAO Changsui
	Dynamic and Electronic Engineering 06 January 2011
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	Abstract:The stable combustion of swirl burner is assessed usually by the size of the central recirculation zone (CRZ), the quantity of recirculated flow and the concentration of pulverized coal flow, while the mixing time and intensity between high temperature flue gas and the pulverized coal are not considered. This paper put forward the concept of mixing coefficient that is used as the assessment of the mixing speed and intensification between the pulverized coal-air flow and the recirculation high temperature gas. Through the mathematics simulation, the mixing coefficients of the general bluff-body stabilizer, the petal flame stabilizer, and the common swirl burner and petal swirl burner are analyzed. The results show that the mixing coefficient can perfectly predict the mixing of the boundary of CRZ, which is important to deepen the investigation in stable combustion and flow field for swirl burner in energy consuming industry.
	TO cite this article:ZHAO Lingling,ZHOU Qiangtai,ZHAO Changsui. The Concept of Gas-Solid Mixing Coefficient for Pulverized Coal Swirl Burner[OL].[ 6 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4403903


	8. A state estimation Algorithm of power system based on the mixed measurement
	Zhang Heng
	Dynamic and Electronic Engineering 11 March 2009
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	Abstract:At present, the measurement s of the wide area measurement system (WAMS) and supervisory control and data acquisition (SCADA) are both available in power systems, but the measuring accuracy of the WAMS is much better than that of SCADA. Hence, a linear dynamic state estimation algorithm is proposed to deal with this problem. The measurements of the active and reactive power flow and power injections at the nodes of the SCADA system are transformed into the equivalent current phases by measurement transformation, so that these measurements can be combined with those of WAMS and form a mixed measuring system. The algorithm proposed is denoted by rectangular coordinates and the linear exponential smoothing technique and linear time-invariant Kalman filtering method are used to implement the forecasting and estimation. Since the proposed algorithm has a constant Jacobin matrix, the calculating time can be significantly reduced and the calculating accuracy ensured. Simulations are carried out in an IEEE 14-bus test system to demonstrate the validity and advantages of the algorithm proposed.
	TO cite this article:Zhang Heng. A state estimation Algorithm of power system based on the mixed measurement[OL].[11 March 2009] http://en.paper.edu.cn/en_releasepaper/content/30161

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