High performance control of VRM circuits

... HIGH PERFORMANCE CONTROL OF VRM CIRCUITS MARECAR HADJA (B Eng., Supélec, France) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ... investigated for the three kinds of control schemes mostly used in today’s VRM; Voltage Mode Control (VMC), Average Current Mode Control (ACMC), and Peak Current Mode Control (PCMC) Th...

Ngày tải lên: 07/10/2015, 10:18

... North Carolina, USA, 2005 B Yin, R Oruganti, S K Panda, and A K S Bhat, Performance comparison of voltage mode control and current mode control of a three- phase PWM Rectifier based on a dual SISO ... distribution of single phase loads Voltage imbalances due to imbalances in phase loads can be particularly severe if large single phase loads, such as arc furnaces...

Ngày tải lên: 11/09/2015, 16:04

... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES IN RENEWABLE ENERGY SOURCE BASED DC/ AC INVERTER FOR MICRO- GRID APPLICATION SOUVIK DASGUPTA (M.Engg., Bengal Engineering ... injected into the grid Pgrid Average power injected into the grid PL , QL Active and reactive power consumption of load Pinv , Qinv Active and reac...

Ngày tải lên: 09/09/2015, 18:56

... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES FOR THREE PHASE PWM AC- DC VOLTAGE SOURCE CONVERTER XINHUI WU (B.Eng(Hons.), SJTU, Shanghai, China) A THESIS SUBMITTED FOR ... advantage of providing high dynamic performance Hence, this thesis is aimed at developing active control solutions to achieve high performance for...

Ngày tải lên: 11/09/2015, 16:02

... Disturbances Real world plant Control input Robust controller Sensor output Commands Performance enhancement controller Robust stabilizing controller FIGURE 3.2 Performance enhancement controller distinguish ... 1.7 Main Points of Chapter High performance control in the real world is our agenda It goes beyond classical control, optimal control, robust control and adaptive con...

Ngày tải lên: 24/08/2014, 17:21

... Background…………………………………………………………………… 212 8.2 Feedback Control of UPS Inverters ………………………………………… 213 8.3 Learning Control of UPS Inverters ………………………………………… 214 8.3.1 Iterative Learning Control of UPS Inverters ………………………………………… ... compare control performance of UPS inverters with different parameters of L-C filter The digital implementation issues of contr...

Ngày tải lên: 14/09/2015, 12:34

... improved torque control, SR drives can be used for high- performance motion control applications 1.1 Operating Principle of SRM Switched reluctance motor works on reluctance torque principle [5]-[6] Reluctance ... HIGH- PERFORMANCE TORQUE CONTROL OF SWITCHED RELUCTANCE MOTOR SANJIB KUMAR SAHOO (B.Tech(Hons.), IIT, Kharagpur, India) A THESIS SUBMITTED FOR T...

Ngày tải lên: 14/09/2015, 12:37

... thesis modeling and simulation efforts are devoted to developing numerical methods for the electrical analysis of high- speed interconnects and multilayer circuits 1.1 Background 1.1.1 High- Speed Interconnects ... developing numerical methods for the electrical analysis of high- speed interconnects requiring full-wave modeling and multilayer ci...

Ngày tải lên: 16/09/2015, 15:55

... supply: AC -DC rectifier, AC- AC converter, DC- AC inverter and DC- DC converter An DC- AC power converter transforms a DC input voltage to a desired magnitude and frequency AC output voltage The AC power ... improving system performance of a static UPS system 1.1.1 Control of DC- AC Inverters In control of DC- AC inverters, Total Harmonic Distortion (THD)...

Ngày tải lên: 03/10/2015, 21:56

... acetic acid eluates Inject 20 ~L into the liquid chromatograph HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC ANALYSIS OF URINARY CATECHOLAMINES TABLE TABLE CHROMATOGRAPHICCONDITIONS 287 BETWEEN-DAY ... 0.8867 Mean 0.7517 51.5 47.0 52.0 46.5 HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC ANALYSIS OF URINARY CATECHOLAMINES : 80- ~ 70 Z • 34.35 + EPINEPHRINE= MEAN TOTAL CAT...

Ngày tải lên: 16/12/2012, 15:24

... Efficiency and Fairness Characteristics • Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP • Satisfies max-min fairness if all the flows have the same end-to-end link capacity ... (Additive Increase Multiplicative Decrease) • Fair: max-min fairness • Stable: globally asynchronously stable • But, inefficient and not scalable – In grid networks (with high band...

Ngày tải lên: 15/01/2014, 15:59

... LaoNet (Korea) & Univs in Korea, A Study on the Construction of the MPLS Testbed(L-bone) on KOREN and the Development of the MPLS Application Services KR & JP, Applications of APII for High Energy ... TEL12 in 1995 Korea proposed ‘Video conference over APII’ at APEC TEL14 in 1996 APII Cooperation Center launched in Seoul, Korea in 1996  Networks Created (1999-2001) Korea & Jap...

Ngày tải lên: 20/01/2014, 22:20

... (5) and b-elemene (6) (Fig 1) from the essential oil of C wenyujin GC-MS analysis showed that the six isolated compounds except curcumol (2) were the major components in the essential oil of C wenyujin ... total of mg of curdione (1), mg of curcumol (2), 10 mg of germacrone (3), 18 mg of curzerene (4), mg of 1,8-cineole (5) and 17 mg of b-elemene (6) f...

Ngày tải lên: 07/03/2014, 21:20

... and phycocyanins, HPLC separation allowed a quantitative estimation of the relative amount of each protein component from the area underlying each peak This was facilitated by the fact that the ... region rich in amino acids with a higher than average contribution to the UV optical absorption and protonation of amino groups by electrospray ionization, leading to fals...

Ngày tải lên: 08/03/2014, 16:20

... individual and the characteristics of both the job and the organization, 2) the existing structure and supervision of the job, 3) the existence of clear, meaningful goals for jobs and the organization, ... involvement and commitment and their greater control over and say in their work, they work harder (Pfeffer 1998: 33) They also work harder because of...

Ngày tải lên: 17/03/2014, 08:20