luan van on dinh he thong dien

... bring the system back to normal operation FACTS is the control device transmission system flexible alternating current It is used to control the voltage, impedance and phase angle of the high ... building of controllers reactive power compensation combined The aim is to exploit vi and develop the full potential of wind power and improve voltage stability in the region and in the national grid ... enhanced benefits to the management of the transmission system through better use of existing transmission grid, increases the reliability and availability to meet the rapid transmission systems, increases

Ngày tải lên: 30/11/2021, 22:33

... ensure the stability in power system operation To solve the above problems, this thesis focused on studying the fast prediction method of dynamic stability of power system based on the artificial ... causes delays in decision making Therefore, the fast assessment and an early warning system of the instability of power system helps dispatcher and control systems to take decisions in time became ... feature selection method, applied to the Kmeans clustering data set (1100 samples) in the training process, the results of correct classification rate reached 97.25%, up 1% compared with the no clustering

Ngày tải lên: 30/11/2021, 22:33

... thống điện mạng nơ ron HVTH: Nguyễn Thanh Tính trang Luận văn thạc sĩ GVHD:PGS.TS Quyền Huy Ánh 1.2 Mục tiêu đề tài Xây dựng mạng nơ ron cải tiến bao gồm mạng nơ ron mắc song song sử dụng giải thuật ... ketquatrain(1,i)=correct_classifications_traing; ketquatest(1,i)=correct_classifications_testing; yy=[];xx=[]; end %====bau chon ket qua huan luyen================================================ bauchontrain1=(sum(tonghoptrain(:,1:100))>floor(1+nclassifier/2)); ... bauchontrain11=sum((bauchontrain1)==1); bauchontrain2=(sum(tonghoptrain(:,101:200))floor(1+nclassifier/2)); HVTH: Nguyễn Thanh Tính trang 81 Luận văn thạc sĩ GVHD:PGS.TS Quyền Huy Ánh bauchontest11=sum(bauchontest1==1);

Ngày tải lên: 02/12/2021, 09:05

... power-electronic interface and fast control for grid-tied and off-grid applications,” Renewable Energy, vol 45, pp 128-137, Sept 2012 [5].H Lund, “Large-scale integration of optimal combinations of ... power-electronic interface and fast control for grid-tied and off-grid applications,” Renewable Energy, vol 45, pp 56 128-137, Sept 2012 [5].H Lund, “Large-scale integration of optimal combinations of ... renewable hybrid generation: the case of Lenỗúis island, IEEE Trans Sustainable Energy, vol 2, no 1, pp 1-11, Jan 2011.
 [9].L Wang, K.-H Wang, W.-J Lee, and Z Chen, “Power-flow control and stability

Ngày tải lên: 02/12/2021, 09:07

... (fuzzy control), controls the type of neuron (Neural) There have been many methods to optimize the stability of the system based on the adjustment DFIG parameters in the system, the common basic ... is the use of the PI controller algorithm In the thesis, the author will use the system control algorithm called Adaptive Neural Fuzzy Inference System (ANFIS) applying to the grid side controller ... stable when incident faults occurred, it is common to use a combination of methods to intervene in the control algorithm in the various stages of DFIG generator system as PI controller, fuzzy controller

Ngày tải lên: 02/12/2021, 09:10

... =([L(i)/K(i)]); end J_Fisher=F'; [E_fisher order_Fisher] = sort(J_Fisher,'descend'); save('C:\MATLAB\R2014a\bin\AN_07_02\J_Fisher'); save('C:\MATLAB\R2014a\bin\AN_07_02\E_fisher'); save('C:\MATLAB\R2014a\bin\AN_07_02\order_Fisher'); ... save('C:\MATLAB\R2014a\bin\AN_07_02\order_Fisher'); sobien = 1:1:104; x=E_fisher; y=sobien; HVTH: Võ Thanh An Trang 97 Luận văn thạc sĩ GVHD: PGS.TS Quyền Huy Ánh box off plot(y,x,'m-','linewidth',1.5) hold on hold on grid on xlabel('Feature') ... chương 45 Chƣơng MẠNG NƠRON VÀ MƠ HÌNH NHẬN DẠNG 46 5.1 Giới thiệu mạng nơron 46 5.1.1 Mơ hình nơron sinh học 46 5.1.2 Mơ hình nơron nhân tạo 47 5.1.3

Ngày tải lên: 05/12/2021, 16:20

... (fuzzy control), controls the type of neuron (Neural) There have been many methods to optimize the stability of the system based on the adjustment DFIG parameters in the system, the common basic ... is the use of the PI controller algorithm In the thesis, the author will use the system control algorithm called Adaptive Neural Fuzzy Inference System (ANFIS) applying to the grid side controller ... stable when incident faults occurred, it is common to use a combination of methods to intervene in the control algorithm in the various stages of DFIG generator system as PI controller, fuzzy controller

Ngày tải lên: 30/12/2021, 16:37

... ‘Unified power-flow control concept for flexible AC transmission systems” IEE Proceedings - Generation, Transmission - Distribution, vol 139, no 4, pp 323-331, Jul 1992 [6] D P He, C Y Chung, and ... based on doubly-fed induction generators for power system stability studies,” IEEE Trans Power Systems, vol 22, no 3, pp 909-919, Aug 2007 [17] S Heier, Grid Integration of Wind Energy Conversion ... control of a wind turbine with doubly fed induction generator,” IET Generation, Transmission & Distribution, vol 1, no 5, pp 751-760, Sep 2007 [23] F Mei and B Pal, “Modal analysis of grid-connected

Ngày tải lên: 30/12/2021, 16:42

... ABSTRACT The thesis evaluates the stability of the power system including machines bus integrated with solar energy The solar power system has a large capacity, can completely replace traditional ... power-electronic interface and fast control for grid-tied and off-grid applications,” Renewable Energy, vol 45, pp 128-137, Sept 2012 [5].H Lund, “Large-scale integration of optimal combinations of ... [3].T Hirose and H Matsuo, “Standalone hybrid wind-solar power generation system applying dump power control without dump load,” IEEE Trans Industrial Electronics, vol 59, no 2, pp 988-997, Feb

Ngày tải lên: 10/01/2022, 17:08

... [2]Tiem-nang-thuc-trang-ung-dung-cong-nghe -dien- mat-troi-tai-cac-tinh-tay-bac Internet: http://nangluongvietnam.vn/news/vn /dien- hat-nhan-nang-luong-taitao/nang-luong-tai-tao/tiem-nang-thuc-trang-ung-dung-cong-nghe -dien- mat-troi-taicac-tinh-tay-bac ... power-electronic interface and fast control for grid-tied and off-grid applications,” Renewable Energy, vol 45, pp 128137, Sept 2012 67 [9].H Lund, “Large-scale integration of optimal combinations of ... [7].T Hirose and H Matsuo, “Standalone hybrid wind-solar power generation system applying dump power control without dump load,” IEEE Trans Industrial Electronics, vol 59, no 2, pp 988-997, Feb

Ngày tải lên: 16/03/2022, 08:47

... 27-32 [4] Van Duong Ngo, Dinh Duong Le, Kim Hung Le, Van Kien Pham and Alberto Berizzi, “A Methodology for Determining Permissible Operating Region of Power Systems According to Conditions of Static ... doi:10.3390/en10081163 (SCI-E) [5] Van Duong Ngo, Van Kien Pham, Dinh Duong Le, Kim Hung Le, Van Ky Huynh, "Assessing Power Systems Stability following Load Changes and Considering Uncertainty", Technology ... dung trình bày các chương luận án N CHAT LUONG download : add luanvanchat@a CHƯƠNG PHƯƠNG PHÁP XÂY DỰNG MIỀN LÀM VIỆC CHO PHÉP THEO ĐIỀU KIỆN GHÔĐ TRONG MPCS 2.1 Mở đầu Để xác định độ dự trữ

Ngày tải lên: 12/10/2022, 10:42

... 2001 [33] J Zhang, M Cheng, Z Chen, and X Fu, “Pitch angle control for variable speed wind turbines,” in Proc the 3rd International Conference on Electric Utility Deregulation and Restructuring ... [25] Hee-Sang Ko, Gi-Gab Yoon, Won-Pyo Hong, 2008; “Active Use of DFIGBased Variable-Speech Wind-Turbine for Voltage Regulation,” IEE transactions on industry applications , vol.44, no.6, November ... France Control and Stability Analysis of a Doubly Fed Induction Generator [24] Erickson, Al-Naseem, University of Colorado Novel Power Electronics Systems for Wind Energy Application [25] Hee-Sang

Ngày tải lên: 09/12/2022, 16:22

... ABSTRACT The thesis evaluates the stability of the power system including machines bus integrated with solar energy The solar power system has a large capacity, can completely replace traditional ... áp cơng suất u cầu, số module kết nối song song nối tiếp để tạo thành mảng PV Trong trường hợp này, 140 module kết nối nối tiếp 20 module kết nối song song để tạo thành module PV có cơng suất ... power-electronic interface and fast control for grid-tied and off-grid applications,” Renewable Energy, vol 45, pp 128-137, Sept 2012 [5].H Lund, “Large-scale integration of optimal combinations of

Ngày tải lên: 09/12/2022, 16:23

... improve the dynamic stability of the system, a proposed SVC will be connected to the common bus connected to the solar system to reduce system oscillations Research results of the thesis can ... trời v ABSTRACT The thesis has proposed the solution to improve the stability of the power system integrated with solar energy in Ninh Thuan province using static compensation SVC and simulated ... graduate students in Electrical field in the application of calculation and installation of solar battery systems or research to improve control ability stabilize the grid system with integrated solar

Ngày tải lên: 09/12/2022, 17:46

... electromechanical mode of the SG The damping of these oscillations, however, is slightly increased when the SSSC is implemented in series with transmission line for controlling the power flow The results obtained ... addition to the power flow control function of the SSSC, a Proportional Integral Derivative (PID) type oscillation damping controller is designed for the SSSC to offer adequate damping for the studied ... system The proposed PID for the SSSC is designed using the pole assignment method based on modalcontroltheory Both steady-state analysis of the studied system under time-domain simulations of the

Ngày tải lên: 13/12/2022, 23:22

... bring the system back to normal operation FACTS is the control device transmission system flexible alternating current It is used to control the voltage, impedance and phase angle of the high ... building of controllers reactive power compensation combined The aim is to exploit vi and develop the full potential of wind power and improve voltage stability in the region and in the national grid ... enhanced benefits to the management of the transmission system through better use of existing transmission grid, increases the reliability and availability to meet the rapid transmission systems, increases

Ngày tải lên: 21/12/2022, 15:29