Proceedings of the 2015 International Conference on Power Electronics and Energy Engineering

Session: Power Electronics Technology and Energy Engineering

16 articles
Proceedings Article

Self-cycling modularized smart grid application integration

Y.P. Li, S. Liang, W. Xu, J.B. Xin
The essence of the construction of smart grid demonstration project is an integration process of various types of technology, system and device. With the integration of various kinds of adjustable resources including distributed power supply, reactive power compensation devices, and energy storage devices...
Proceedings Article

Droop control of parallel dual-mode inverters used in micro grid

C.X. Wen, Z.Y. Liu, Z.X. Li
Grid-connected and island control of parallel inverters used in micro grid based on a variety of micro-source were introduced in this paper. Micro-grid in the connected mode should be able to operate automatically with the grid frequency and output high quality electricity in PQ control, and in island...
Proceedings Article

Research of loss reduction scheme for regional distribution grids based on G1-GRA

W. Zhang, Y.M. Liu, W.Q. Ma
This paper proposed a comprehensive loss reduction evaluation method for regional distribution grids based on G1 method and grey relational analysis(GRA). The method is good at avoiding the prominent disadvantages of analytic hierarchy process(AHP) by determining the weights of evaluation indices. Otherwise,...
Proceedings Article

The analysis on the influence factors and tendency of power regulation in China

Q. Guo, T. Liu, G.W. Gao, Y. Xu
Regulation is very useful in remedy the market failure effect caused by monopoly, especially in natural monopoly industry such as electricity. This paper first reviews the regulation situation in China’s power industry, then we analyze the influence factors that have influence on the regulation in power...
Proceedings Article

Stability constraints of the transmission capacity about VSC-HVDC system supply to the passive network

S. Chen, X. Tang, W.Q. Zhang
The external volt-ampere characteristic of the rectifier and inverter station of the VSC-HVDC (Voltage Sourced Converter-High Voltage Direct Current) system is simplified and the dc network equivalent circuit of VSC-HVDC system is built. The small signal model of the VSC-HVDC system is then derived....
Proceedings Article

Development of VLF test system for power cables

C.X. Huang, C.B. Yang, H.J. Sun, H.J. Li, F. Huang, J.M. Guo
With the rapid growth of the using of power cables in distribution network, a large demand for mobile high-voltage cable test systems is expected in the near future. VLF test system has a great equivalence of AC test, so it is wildly used in power cable test. In this paper, a novel VLF high voltage generator,...
Proceedings Article

Selection of decoupling capacitors for power delivery networks with multiple power ports

Q.D. Wang, Y.C. Wang, X.L. Li, Q.S. Liu
In high-speed printed circuit board (PCB), decoupling capacitors are usually used to reduce noise of power ports. The number and location of capacitors is related to design cost and quality. This paper introduces a method to determine the suitable value and placement of decoupling capacitors for multiple...
Proceedings Article

Intelligent management system of vehicle violation based on electronic license

Y.Z. Cai, Y.R. Li, Z.Y. Cai
Traditional vehicle management system is based on metal plate mainly identified by the video and image processing techniques which are low accuracy and less efficiency. However based on RFID technology, electronic license has the unique factory curing ID number and the vehicle physical binding, making...
Proceedings Article

Research of HTS application on tokamak magnets

L. Ren, X.Z. Deng, Y. Xu, H. Liu, J.D. Li, J. Shi, Y.J. Tang
In this paper, the application feasibility of HTS tapes on tokamak magnets is discussed and the existing four kinds of HTS high current conductors are summarized. Furthermore, an YBCO conductor structure suitable for a 10 GJ tokamak TF magnet is designed and the current carrying capacity is evaluated....
Proceedings Article

Analysis of losses in high speed slotless PM synchronous motor integrated the added leakage inductance

B.Q. Kou, H.C. Cao, W.L. Li
This paper researched the loss of high speed slotless permanent magnet synchronous motor (PMSM) with appended leakage inductance structure. This PMSM adopted novel stator structure to add the leakage inductance for solving the problem that high speed slotless PMSM inductance value is small. Compared...
Proceedings Article

The application of electrochemical impedance in the environmentally friendly scale and corrosion inhibitor polyepoxysuccinic acid

H.Y. Tian, B.R. Zhang, F.T. Li
Polyepoxysuccinic acid (PESA) is a new, non-phosphorous, biodegradable, environmentally friendly scale and corrosion inhibitor implemented in industrial water treatment. The corrosion and scale inhibition properties of PESA were investigated in the test water by using static beaker test, weight-loss...
Proceedings Article

Micro-phase separation structure of nonionic polyether-polyester polyurethane based on MDI

H. Quan, L. Wan, G.F. Wan
Segmented polyether-polyester polyurethanes with an amorphous hydrophilic soft segment phase were prepared from 4,4’-diphenylmethane diisocyanate (MDI), polybutylene adipate glycol 2000 (PBA2000) and polyethylene glycol 1000 (PEG1000) with 1,4-butanediol (BDO) as the chain extender. Further more, the...
Proceedings Article

A novel high water-resistant aqueous acrylate emulsion, part 1: preparation and characterization

B.K. Ren, K.T. Hu, G.H. Li, A.B. Wu, J.J. Li
The acrylate copolymer emulsion with core-shell structure was successfully prepared via pre-emulsified semi-continuous seeded polymerization using SDS and OP-10 as compound emulsifier, and methyl methylacrylate (MMA), butyl acrylate (BA) and dodecafluoroheptyl methacrylate (DFMA) as main monomers. SEM...
Proceedings Article

Time-resolved fluorescence anisotropy study on intramolecular interactions of branched styryl derivatives based on 1,3,5-triazine

Y.C. Wang, G.Q. Wang, D.J. Liu, B. Li
A series of branched styryl derivatives based on 1, 3, 5-triazine have been studied by time-resolved fluorescence anisotropy method to study the intramolecules interferaction between branches. The obtained results further confirmed the TPA enhancement mechanism, the anisotropy of trimer shows faster...
Proceedings Article

The design of electrode of coal roadway advanced detector

Y. Zhou, Y.M. Lv, J.T. Zhang, Z.M. Liu, X.G. Liu, M. Wu
In order to realize ahead forecastofgeological structure of coal roadway and reduce coal mine accidents, an advanced detector based on Dynamic and Directional Electric Field Excitation Method was designed by my research group. As an important part of the detector, the electrode has a great influence...
Proceedings Article

Research of wind power prediction based on the auto-regressive model

L. Feng, C.H. Liang, H. Huang
This paper discusses in detail the reason for the inaccurate result from the present system for wind farm output power prediction. Time series analysis method was applied for improving existing problem in prediction model and treatment method of basic data. Improving self-regressive mathematical model...