High performance control of a three phase PWM rectifier
... 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 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
... grad r dually as a re esult of the c controllable dc link volta as indica in the ri age ated ight hand sub b diagram d Figure capacitor v voltage of the output filt with unbalanced load and controlled ... small compared to the dc voltage portion, so that it does not affect the output voltage References [1] Takao Kawabata, Takeshi Miyashita and Yushin Yamamoto, "Digital...
Ngày tải lên: 19/01/2014, 02:20
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... processes and variables are modelled mathematically Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner Hence, this stage of the ... two-phase currents to generate a means of instantaneously controlling the torque and flux Field-orientated controllers require control of both magnitude and phase of...
Ngày tải lên: 27/10/2013, 23:15
vector analysis of a three-phase stator
... Fig 2 (a) The magnitude of H a , is obtained by a Amperes Circuital Law and is given by ia N a r , where l a is the length of the path of H a and N a is the number of turns of winding aa' la r r ... winding aa' without changing their magnitudes The vector summation r dia r of i a R a and La along the magnetic axis of winding aa', produces the supply voltage dt...
Ngày tải lên: 26/10/2014, 14:40
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
A three phase voltage type PWM rectifier with the function of an active power filter
... KataokaT 1996, nt -type PWM rectifier with active filtering function" , IEEJ SPC- 96 (107), 11-20 ( in Japanese) KataokaT, Murota 1, Fuse Y, Nakajima D and Nishikata S 1999, A Single -phase Voltage- Type ... forphase v which is given by (11) can also be obtained in the same manner as that explained above for phase U EXPERIMENTAL INVESTIGATION To confirm the operation of...
Ngày tải lên: 03/01/2014, 19:44
Current control techniques for three phase voltage source PWM converters a survey
... KAZMIERKOWSKI AND MALESANI: CC TECHNIQUES FOR THREE- PHASE VS -PWM CONVERTERS While phase voltages can be controlled independently, phase currents are determined not only by their own phase voltage, ... Novotny and T A Lipo, Vector Control and Dynamics of AC Drives Oxford, U.K.: Clarendon, 1996 [18] S Ogasawara, H Akagi, and A Nabae, A novel PWM scheme of voltage...
Ngày tải lên: 03/01/2014, 19:45
Analysis, design and implementation of high performance control schemes in renewable energy source based DC AC inverter for micro grid application
... 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
Performance optimization of a PEM hydrogen-oxygen fuel cell
... construct a mathematical model for investigating the performance of a PEM fuel cell at different operation variables to optimize its performance by changing some of its parameters Model validation against ... [6] K.S Dhathathreyan, P Sridhar, G Sasikumar, K.K Ghosh, G Velayutham, N Rajalakshmi, C.K Subramaniam, M Raja and K Ramya, Development of polymer electrolyte membran...
Ngày tải lên: 05/09/2013, 14:58
Finite time exergoeconomic performance optimization of a thermoacoustic heat engine
... Ceperly P H Gain and efficiency of a traveling wave heat engine J Acoust.Soc Am., 1982, 7(3): 1239-1243 [3] Yazaki T, Iwata A, mackawa T and Tominaga A Traveling wave thermoacoustic engine in a looped ... / F1 and FT = F1 + F2 Here, the total heat transfer surface area FT of the two heat exchangers is assumed to be a constant (3) There is a constant rate of heat...
Ngày tải lên: 05/09/2013, 16:10
Development of DMC controllers for temperature control of a room deploying the displacement ventilation HVAC system
... develop a controller for temperature control inside a room within a desired band of temperatures for comfort The details of the geometry of the room and the HVAC system based on displacement ventilation ... disadvantages of the DMC controller First, the DMC controller is a local controller which can only guarantee the stability of the...
Ngày tải lên: 05/09/2013, 16:11
Tài liệu Infrastructure Solutions for High-Performance Data Networks A Planning Guide for Network Managers docx
... Do your racks and cabinets provide ample vertical and horizontal cable management? Yes No Page Section A A Planning Guide for Network Managers Section A A Planning Guide for Network Managers Fiber ... the data center Unlikely because we have plenty of room in the data center already Not sure Page Section A A Planning Guide for Network Managers Section...
Ngày tải lên: 21/12/2013, 07:17
A park like transformation for the study and the control of a nonsinusoidal brushless DC motor
... therefore in this paper a new transformation which preserves the same advantages as the Park transformation A Mathematical Model of the BDCM We suppose that the motor has the following typical features ... pulsating torque (the homopolar part) and a two-phase motor with a rotating field (the "ap" The classical Park transformation is, in fact, the succ...
Ngày tải lên: 03/01/2014, 19:44