[Buso, mattavelli] digital control in power electronics

... electric power conditioning are explained using a hypothetical generic power converter. Ac to dc, ac to ac, dc to dc, and dc to ac power electronic converters are described, including select operating ... and automation of industrial processes. Power conditioning involves both power conversion, ac to dc or dc to ac, and control. Power electronic converters performing the conditio...

Ngày tải lên: 16/03/2014, 08:20

... electric power conditioning are explained using a hypothetical generic power converter. Ac to dc, ac to ac, dc to dc, and dc to ac power electronic converters are described, including select operating ... and automation of industrial processes. Power conditioning involves both power conversion, ac to dc or dc to ac, and control. Power electronic converters performing the conditio...

Ngày tải lên: 05/03/2014, 09:43

... interest in digital control of SMPS. The Power Electronics & Power Quality Laboratory of Texas A&M University is currently exploring several implementation aspects of digital control of power ... the size of the power supply by containing the complexity of control system within the software. Therefore, since digital control is much flexible than analog cont...

Ngày tải lên: 27/10/2013, 16:15

... field winding. Hydro units work at low speed and have salient pole rotors. They normally have damper windings in addition to the field winding. Damper windings consist of bars placed in slots ... currents circulating in the solid steel or in the damping windings can be treated as currents circulating in two closed circuits (Kundur, 1994). Accordingly, a three-phase synchronous machi...

Ngày tải lên: 16/02/2014, 20:20

... standard concentration of insulin (Humulin R, Eli Lilly and Company, Indianapolis, IN, USA) was 100 units in 100 ml of 0.9% saline solution. In the standard insulin group, insulin infusion was started ... standard insulin group and 83 of 254 (32.7%) in the intensive insulin group. The mean calorie intake in 24 hours was 23.1 ± 12.7 kcal/kg in the standard insulin group and 25.5 ± 1...

Ngày tải lên: 25/10/2012, 10:35

... evaluated at baseline and after 12 weeks of training with three training sessions per week. The main findings are: Fasting glucose concentrations remind unchanged after training. The area under ... VE. In the present study we compared VE with the influence of strength training and a control group (flexibility training) on glycemic control in type 2 diabetes patients. Forty adult no...

Ngày tải lên: 26/10/2012, 10:04

Ngày tải lên: 05/03/2013, 17:01

... 21 August 2011 Hon Prof. Prof. Dr Ing. habil. Nguyễn Phùng Quang Electrical Engineering - Automatic Control 1 Điềukhiểnsố (Digital Control Systems) PhầnA: Môn họctruyền đạtcáckiếnthứcphụcvụ ... thành (n+d)×(n+d) 21 August 2011 Hon Prof. Prof. Dr Ing. habil. Nguyễn Phùng Quang Electrical Engineering - Automatic Control 23 1. Mô hình tín hiệuvàhệ thống Chú ý chương 1: Sinh viên phải n...

Ngày tải lên: 15/10/2013, 15:52

... find applications in ac machine control and uninterrupted power supplies, induction heating, etc. The resonant link inverter technology is still in the development stage for industrial applications. FIGURE ... 30.3 Power Supplies DC Power Supplies•AC Power Supplies•Special Power Supplies 30.4 Converter Control of Machines Converter Control of DC Machines•Converter C...

Ngày tải lên: 19/10/2013, 11:15