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1. Xác định dung lượng bù công suất phản kháng của nhà máy điện gió ngoài khơi theo tiêu chuấn đấu nối lưới Việt Nam

Author

Ma Thi Thuong Huyen and Vu Hoang Giang

Subjects
bù công suất phản kháng, điện gió ngoài khơi, dfig, Technology
Abstract

Để được phép đấu nối lên lưới điện, nhà máy điện gió cần đáp ứng yêu cầu về khả năng điều chỉnh công suất phản kháng tại điểm kết nối chung (PCC). Yêu cầu này đối với nhà máy điện gió ngoài khơi phụ thuộc vào nhiều yếu tố như loại máy phát điện gió, máy biến áp và đặc biệt là đường dây cáp truyền tải xoay chiều điện áp cao. Bài báo trình bày kết quả tính toán xác định dung lượng bù công suất phản kháng cho nhà máy điện gió sử dụng máy phát loại cảm ứng nguồn kép (DFIG) được nối lưới thông qua các máy biến áp ngoài khơi và cáp ngầm cao áp để đáp ứng tiêu chuẩn đấu nối lưới của Việt Nam. Khả năng phát và tiêu thụ công suất phản kháng của các phần tử trong hệ thống điện gió được phân tích nhằm tính toán dung lượng bù. Mô phỏng trên máy tính được thực hiện để kiểm chứng đáp ứng công suất phản kháng yêu cầu tại điểm PCC. Kết quả mô phỏng cho thấy, dung lượng bù đã chọn đảm bảo tiêu chuẩn đấu nối lưới.

Published
2024

3. Genetic profiling of Vietnamese population from large-scale genomic analysis of non-invasive prenatal testing data

Author

Tran, Ngoc Hieu, Vo, Thanh Binh, Nguyen, Van Thong, Tran, Nhat-Thang, Trinh, Thu-Huong Nhat, Pham, Hong-Anh Thi, Dao, Thi Hong Thuy, Nguyen, Ngoc Mai, Van, Yen-Linh Thi, Tran, Vu Uyen, Vu, Hoang Giang, Bui, Quynh-Tram Nguyen, Vo, Phuong-Anh Ngoc, Nguyen, Huu Nguyen, Nguyen, Quynh-Tho Thi, Do, Thanh-Thuy Thi, Lam, Nien Vinh, Ngoc, Phuong Cao Thi, Truong, Dinh Kiet, Nguyen, Hoai-Nghia, Giang, Hoa, and Phan, Minh-Duy

Published
2020
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4. Building a Matlab/Simulink Model of a SiC-JFET for the investigation of Solid State DC Breaker

Author

Ma, Thi Thuong Huyen, Yahoui, Hamed, Baccar El Boubkari, Fedia, Morel, Hervé, Vu, Hoang-Giang, Siauve, Nicolas, Ampère, Département Méthodes pour l'Ingénierie des Systèmes (MIS), Ampère (AMPERE), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-École Centrale de Lyon (ECL), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Ampère, Département Energie Electrique (EE), Electric Power University (EPU), and Ampère, Publications

Subjects
DC circuit breaker, SiC-JFET simulation, JFET model, Solid state DC circuit breaker (SSCB), [SPI.NRJ]Engineering Sciences [physics]/Electric power, normally-on SiC-JFET, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience; Recently, solid state DC circuit breaker (SSCB) using normally-on SiC-JFET offers a great protection device for DC microgrid due to its fast response time (in tens of microseconds) and low on-state losses. At the simulation stage, an appropriate model of the SiC-JFET should be built in order to reflect correctly behaviors of the breaker during faults and clearing faults processes. For instance, the fault clearing time should be in tens of microseconds. This paper presents the development of a novel model for commercial normally-on SiC-JFET in solid state circuit breaker application. The parameters of the model are first extracted from the SiC-JFET experimental data. Afterward, the operation of a SiC-JFET in a prototype of solid state breaker is evaluated by comparing the static and dynamic characteristics of SiC-JFET model, which is simulated in Matlab/Simulink, to the experimental measurement. Good agreement between simulation and experiment has been achieved and confirms the validity of the built model of the SiC JFET.

Published
2017

5. Simulation of the photovoltaic using Zeta Converter with Battery storage system for lighting at night in decentralised areas

Author

Tran, Thanh-Kha, Ma, Thi Thuong Huyen, Yahoui, Hamed, Siauve, Nicolas, Ouldboukhitine, Y, Vu, Hoang-Giang, Ampère, Publications, Composants Commande Communication des microgrids DC - - C3µ2015 - ANR-15-CE05-0004 - AAPG2015 - VALID, Ampère, Département Méthodes pour l'Ingénierie des Systèmes (MIS), Ampère (AMPERE), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-École Centrale de Lyon (ECL), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Electric Power University (EPU), and ANR-15-CE05-0004,C3µ,Composants Commande Communication des microgrids DC(2015)

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience

Published
2017

6. Knowledge, skills and competences for green sustainable energy systems requirement

Author

Yahoui, Hamed, Ma, Thi Thuong Huyen, Vu, Hoang-Giang, Siauve, Nicolas, Ampère, Publications, Ampère, Département Méthodes pour l'Ingénierie des Systèmes (MIS), Ampère (AMPERE), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-École Centrale de Lyon (ECL), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), and Electric Power University (EPU)

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience

Published
2016

7. Investigating effects of nano cerium oxide reinforcement on mechanical properties of composite based on natural rubber.

Author

Bao, Le Quoc, Phan, Vu Hoang Giang, Khuyen, Nguyen Quang, Ha, Do Tuong, Vyas, Ajai, Boitel-Conti, Michèle, Ludwig, Miroslav, Ruml, Tomas, Wang, Fu-Ming, and Truong, Dieu-Hien

Subjects
*CERIUM oxides, *MECHANICAL properties of metals, *COMPOSITE materials, *RUBBER, *POLYMERS, *NANOCOMPOSITE materials
Abstract

Polymer nanocomposites that based on combination of nanomaterials (such as nanoparticles, nanotubes, nanorods, nanofibers, and nanosheets) and polymeric matrices are receiving great attention in research and application. However, separate and homogenous dispersion rather than aggregates of nanoparticles into matrices meet big difficulty due to large interaction between nanoparticles. The poor dispersion leads to low properties of nanocomposites. In this study, we find out the appropriate method to separately disperse cerium oxides (CeO2) nanoparticles into natural rubber, aiming to increase mechanical properties of natural rubber. The SEM images were used to evaluate the dispersion of nano CeO2 in natural rubber matrix. The mechanical properties of nanocomposites were measured after vulcanization to investigate effects of nano CeO2 amount on prepared composite. The findings exhibited that the addition of CeO2 by dispersion of nano CeO2 in water via ultrasonication before mixing with rubber latex, significantly increase modulus, tear and wear resistance of natural rubber. [ABSTRACT FROM AUTHOR]

Published
2018
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8. Design of power drive dedicated to the investigation of faultsView Document32FullDesign of power drive dedicated to the investigation of faults

Author

Vu, Hoang Giang, Yahoui, Hamed, Siauve, Nicolas, Hammouri, Hassan, Laboratoire d'automatique et de génie des procédés (LAGEP), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Supérieure Chimie Physique Électronique de Lyon-Centre National de la Recherche Scientifique (CNRS), Ampère, Département Méthodes pour l'Ingénierie des Systèmes (MIS), Ampère (AMPERE), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-École Centrale de Lyon (ECL), and Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)

Subjects
insulated gate bipolar transistor, pulse width modulation, voltage source converter, [SPI.NRJ]Engineering Sciences [physics]/Electric power, intermittent gate-misfiring fault, power drive, open-circuit fault
Abstract

International audience; The paper presents the development of a test bench for the investigation of faults in a power drive. Firstly, the presentation is made for different components in an induction machine drive. Secondly, since the machine parameters are controlled by PWM signals via IGBT converter, a PWM generator is built in order to control the machine and create different types of faults related to the drive of the converter. Subsequently, simulation and experiment are carried out for two typical faults of the converter: intermittent gate-misfiring fault and open-circuit fault. Finally, since the machine speed is usually required for the calculation of characteristic frequencies of most faults in the induction machine, it is estimated on the basis of the slot frequency component in the spectral of stator current and total input power. The obtained results are the evidence to show that the test bench is appropriately usable for the investigation of not only the normal operation but efficiently for the fault exploration.

Published
2014

10. Control active and reactive power of Voltage Source Inverter (VSI).

Author

Vu, Hoang Giang, Yahoui, Hamed, Chorot, Thierry, and Hammouri, Hassan

Abstract

This paper introduces the reactive and active power control of Voltage Source Inverter (VSI). A decoupled control scheme has been implemented basing on the current at the terminal of the VSI. The introduced power control can be effectively applied to renewable energy systems in regulation of the power factor to improve the voltage stability and power quality for connected electric power system. Simulation in the environment of Matlab-Simulink is developed to verify the capability of power control as well as power factor control. [ABSTRACT FROM PUBLISHER]

Published
2012
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11. Local observer for infinitesimally observable nonlinear systems.

Author

Hammouri, Hassan, Vu, Hoang Giang, and Yahoui, Hamed

Subjects
*NONLINEAR systems, *TRAJECTORIES (Mechanics), *OBSERVABILITY (Control theory), *SYSTEMS theory, *ROBUST control, *LYAPUNOV stability
Abstract

In this article, we present a local observer based on infinitesimal observability along trajectories. The gain of this observer derives from a dynamical Lyapunov equation. The inputs for which the observer converges are those which render the system observable at each point of the Ω-limit of the unknown trajectory (infinitesimal observability at infinity along trajectories). The performance of the proposed observer is illustrated with an application to DC machine. [ABSTRACT FROM AUTHOR]

Published
2013
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12. An experimental investigation of new electromagnetic field signal for stator asymmetric fault detection of doubly fed induction generators.

Author

Vu, Hoang‐Giang, Yahoui, Hamed, and Hammouri, Hassan

Subjects
*INDUCTION generators, *ELECTRIC generators, *ELECTROMAGNETIC fields, *ALTERNATING current generators, *STATORS, *VARIABLE speed drives, *WIND power, *PHENOMENOLOGICAL theory (Physics)
Abstract

Summary: The paper presents an investigation of a new electromagnetic signal for the diagnosis of the doubly fed induction generator (DFIG). The signal is acquired by using a dedicated sensor located on the bus surface of the DC link in the DFIG system. To demonstrate the feasibility and efficiency of applying this signal in condition monitoring of DFIG, a procedure of diagnosing stator asymmetrical fault is shown. Physical phenomena of the defect are first analysed to obtain the harmonic signature. Afterwards, the benchmark will be processed with the defect to extract the specific signature in the DC bus magnetic field. The experiment results show that the proposed signal can be efficiently applied in the diagnosis of wind power generators. [ABSTRACT FROM AUTHOR]

Published
2019
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