Single phase uninterruptible power supply based on z source inverter
... ZHOU et al.: SINGLE- PHASE UNINTERRUPTIBLE POWER SUPPLY BASED ON Z- SOURCE INVERTER 2999 Fig. 3. Equivalent circuit of the Z- source inverter. (a) Nonshoot-through state. (b) ... TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 55, NO. 8, AUGUST 2008 2997 Single- Phase Uninterruptible Power Supply Based on Z- Source Inverter Zhi Jian Zhou, Xing Zhang, Po...
Ngày tải lên: 03/01/2014, 19:12
... output power. (2: [5 A/div], 4: [125 V/div]). 124 IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 21, NO. 1, JANUARY 2006 A Digitally Controlled Switch Mode Power Supply Based on Matrix Converter Somnida ... input power factor with high total harmonic distortion (THD). In this paper, a digitally controlled three -phase switch mode power supply based on a matrix converter...
Ngày tải lên: 13/05/2014, 00:55
UPS (Uninterruptible Power Supply)
... thường, Inverter sẽ vhoạt động và cung cấp nguồn cho tải. • ON LINE: Inverter luôn hoạt động (on) cung cấp điện cho tải. UPS thông minh • Được điều khiển bởi phần mềm qua cổng USB hoặc cổng song ... Cách Test đơn giãn là dùng một điện trở tải (điện trở sứ trong các monitor CRT hay tivi) chừng vài chục ôm và vài chục W. Kẹp song song với que đo đồng hồ khi đo. - Nếu mức sụt áp <...
Ngày tải lên: 27/04/2013, 11:36
... interconnected among them. Such sub-blocks represent the different components of the transmission grid, whereas their interconnections symbolize the logical interactions. The construction rule ... Analysis of Power System based on Generalized Stochastic Petri Nets Juliano S. A. Carneiro, Luca Ferrarini Dipartimento di Elettronica e Informazione Politecnico di Milano Piazza Leonardo da V...
Ngày tải lên: 03/01/2014, 19:35
Reliability analysis of a power system based on the multi state system theory
... . j Uzzzzz zzz =+++ z + +++ Based on the operators defined in (7) and (8), the universal generating fun ction of the branches can be obtained, and then the universal generating function of ... operations over individual universal generating function of components: , (8) () () () () 1 1 ,, i m M G in m Uz Uz U z qz σ = == ∑ " m () () () () 1 1 ,, sys s M G N s Uz U z U...
Ngày tải lên: 03/01/2014, 19:38
Báo cáo hóa học: " Research Article Progressive Image Transmission Based on Joint Source-Channel Decoding Using Adaptive Sum-Product Algorithm" docx
... Hagenauer, Source- controlled channel decoding,” IEEE Transactions on Communications, vol. 43, no. 9, pp. 2449– 2457, 1995. [5] N. G ¨ ortz, “A generalized framework for iterative source- channel ... Lausanne, Switzerland, June-July 2002. [11] M. Adrat, U. von Agris, and P. Vary, “Convergence behavior of iterative source- channel decoding,” in Proceedings of IEEE International Conference...
Ngày tải lên: 22/06/2014, 22:20
Z source inverter for UPS application
... (both single phase and single phase voltage source inverter) . The switching device can be a conventional MOSFET, thyristor or a power transistor. A. Traditional source inverters Traditional source ... Impedance Source Inverter The single -phase Z- source Inverter Bridge has six permissible switching states unlike the traditional single- phase V -source...
Ngày tải lên: 03/01/2014, 19:15
Analysis on the Optimal Dispatching of Mixed-pump Stations and the Operating-mode Adaptability Based on Safety Water Supply
... First and Second Optimization CONCLUSION The purpose of optimal operation for water distribution system is to reduce the energy consumption as much as possible in condition of the flow ... 10(4):79-82. Manuel Lopez-lbanez, Devi Prasad, Ben Paechter, 2008. Ant Colony Optimization for Optimal Control of Pumps in Water Distribution Networks. Journal of Water Resources Planning and ......
Ngày tải lên: 05/09/2013, 09:38
Research on field weakening based on reactive power with BLDC motor for electric vehicle application
... reactive power theory is shown as 3. The three-dimensional chart of angle instruction obtained from field-weakening based on reactive power theory is shown as 4 The rotor position signal, the corresponding ... field-weakening control based on above instructions under different speed experiment are respectively shown as 5 and 6 Fig. 3. Three-dimensional chart of stator electric cur...
Ngày tải lên: 03/01/2014, 19:47
Tài liệu Báo cáo khóa học: Further insights into the assembly of the yeast cytochrome bc1 complex based on analysis of single and double deletion mutants lacking supernumerary subunits and cytochrome b pdf
... results are summarized in Table 2. Among the single deletion mutants, only the subunit 6 (MES8) and subunit 10 (UBL2) deletion strains were able to grow on nonfermentable carbon source at a rate ... expected, based on the reduced growth rate of the single deletion strain lacking subunit 9. The remaining double deletion mutants, VZ4 (D6/D7), VZ6 (D7/D8) and VZ14 (D8/D9), were unabl...
Ngày tải lên: 19/02/2014, 12:20