multi echelon distribution system

... media access control MAN metropolitan area network MC-CDMA multiple carrier-code division multiple access MIMO multi- input multi- output MISO multi- input single-output MLSE maximum likelihood sequence ... cellular system (AMPS) has given way to 2G cellular systems (such as GSM, D-AMPS, and IS-95), and nowadays, we have 3G systems (CDMA2000, UMTS), 3.5G systems (HSDPA,EV-DO,EV-DV), B3G systems (Beyond ... orthogonal frequency division multiplex (OFDM), multi- carrier code division multiple access (MC-CDMA) and orthogonal frequency division multiple access (OFDMA) [4] • Multiple antenna technology...

Ngày tải lên: 20/11/2012, 11:36

... channel unit Storage unit pc pc pc pc pc Sub-rack (3 U) The sub-racks are outfitted with a feed-in system for leading individual loose tubes directly to the different module locations Accommodation ... cable guide units guide the patchcords between the sub-racks They are part of the cable management system, which consists of the cable guide unit vertical, the cable guide tray, the cable channel ... -1 pc S id e p a n e l 1 -1 pc B a c k w a ll 1 -1 pc 1 -0 1 -1 pc pc Roof 1 -1 pc Units for VtS system Order number Qty Sub-rack 68 HP (6x10) 6833 725-06 pc Cable guide unit complete* 6833 720-06...

Ngày tải lên: 22/10/2013, 11:15

... session CÁC HỆ THỐNG FILE MẠNG (NFS) NFS hệ thống file mạng phát triển vào cuối năm 1990 SNN Microsystems thêm vào hệ điều hành SNNOS (một phiên UNIX) NFS thiết kế dùng hệ thống file mạng cục NFS ... vụ NFS cách trực tiếp qua Internet mà không cần qua máy trung gian (intermedia servers) SUN Microsystem đưa tiêu chuẩn hướng dẫn sử dụng Protocal cho NFS đặt tiêu chuẩn phạm vi công cộng (RFC-1094) ... mounted Các lệnh gọi sau dùng File Handle NFS Protocol (nfsd; rpc.nfsd): Giao thức hỗ trợ hầu hết system call Unix, ngoại trừ việc gọi lệnh “ Mở Đóng” tập tin Để đọc tập tin, Client gởi đến server...

Ngày tải lên: 26/10/2013, 19:15

... (12 Fibers) Distribution Cables AFD SYSTEM Demarcation Point CENTRAL OFFICE CENTRAL OFFICE Up to 36 Fibers Up to 36 Fibers AFD AFD SYSTEM 1/00 1046 AFD Above Ground Fiber Distribution System Template ... AFD Above Ground Fiber Distribution System Description The AFD above ground fiber distribution system provides access, storage and cable management for passive ... 1046 AFD Above Ground Fiber Distribution System Applications New Fiber Plant Overlay ADC's above ground Fiber Serving Area Interface (FSAI) fiber cable management system has been specifically...

Ngày tải lên: 21/12/2013, 06:19

... overall system, the first choice should be to reinforce two tie lines instead of increasing the generating capacity of the multi- area system coNcLusIoNs A new method for multi- area generation system ... pessimistic appraisal of multi- area system reliability Utilization of derated state models for large capacity generating units provides more optimistic estimation of multi- area system reliability compared ... Evaluation of Multi- Area Power System Interconnections", Electric Power and Energy Systems, Vol 5, No 2, p101-114, April 1983 R Billinton and R.N Allan, "Reliability Evaluation of Power systems",...

Ngày tải lên: 03/01/2014, 19:35

... variouseventsdescribed fine the system and area failure probabilities under the two possible operating policies In either case, the system L U is given by: O !System LOLP = 1+2+3+5+6 With no ... thealgorithm'sefficiency the computational effort with increasing system size Figure Locations Minimal of Cuts Five different system configurations were studied ?he system designation and configuration for each ... Pr(T3-5) = WC,) Each system was studied for one s e t of area reserve 1,iargiLs ea& of w i l i c i ~ co~ltaineri from t o 20 niargin levels The systems were studied bothwith multiple cai k perpacitystate...

Ngày tải lên: 03/01/2014, 19:37

... 6 Distribution Systems William H Kersting New Mexico State University 6.1 Power System Loads Raymond R Shoults and Larry D Swift 6.2 Distribution System Modeling and Analysis ... L Clark 6.2 Distribution System Modeling and Analysis 6.3 Power System Operation and Control Modeling • Analysis Alabama Power Company Simon W Bowen Alabama Power Company 6.1 Power System Loads ... Power System Loads Implementation of Distribution Automation • Distribution SCADA History • SCADA System Elements • Tactical and Strategic Implementation Issues • Distribution Management Platform...

Ngày tải lên: 05/03/2014, 16:20

... interactive multi- document summarization system for scientific articles Our evaluation shows that the SciSumm approach to content selection outperforms another widely used multi- document summarization system ... summarization system In a Figure 2: Example of a summary generated by our system We can see that the clusters are cross cutting across different papers, thus giving the user a multi- document ... work, we will evaluate the usability of the SciSumm system using a task based evaluation In the absence of any other multi- document summarization system in the domain of scientific article summarization,...

Ngày tải lên: 17/03/2014, 00:20

... in multi- hop cellular system The authors in [23] analyzed the outage probability and spectral efficiency in multi- hop cellular system with uniform MS distribution However, the uniform MS distribution ... between multi- hop cellular system and conventional cellular system will also be shown Without loss of generality, an uplink of a single cell multi- hop cellular system is used as a test system ... the distribution of MS, which is suitable for MS uniform distribution as well as non-uniform distribution The remainder of this paper is organized as follows The system model of the uplink multi- hop...

Ngày tải lên: 21/06/2014, 02:20

... constructs a multiOS-kernel system with minimal engineering effort and without sacrificing the performance of the OS kernels The method is based on a thin abstraction layer which multiplexes a ... kernel, modern embedded systems use multiple versions of OS kernels: typically a RTOS kernel and a GPOS kernel in one device The most simple approach of accommodating multiple kernels is assigning ... support is still an unfamiliar feature for embedded system processors This motivates embedded system hypervisors to use paravirtualization for their system design [19–21] In this case, the engineering...

Ngày tải lên: 21/06/2014, 11:20

... storage system should take into account, first of all, that storage systems can be classified into two groups: energy storage systems (batteries, hybrid compressed air systems,…) and power storage systems ... economic objectives of the exploitation of distribution systems and systems that use electrical energy Chapter introduces the Distributed Power Generation System (DPGS) as an alternative source of ... Electrical Generation and Distribution Systems and Power Quality Disturbances system for stand alone renewable energy power plants are batteries In some cases high power storage systems (usually super...

Ngày tải lên: 26/06/2014, 23:20

... Underground Heat Distribution Systems, Prefabricated Underground Heating/Cooling Distribution Systems, and Aboveground Heat Distribution Systems The mediums used in these distribution systems, as ... Underground Heat Distribution Systems, Prefabricated Underground Heating/Cooling Distribution Systems, and Aboveground Heat Distribution Systems The mediums used in these distribution systems, as ... HEATING/COOLING DISTRIBUTION SYSTEM Paragraph 6-1 GENERAL 6-1 6-2 SYSTEM DESIGN 6-1 CHAPTER ABOVEGROUND HEAT DISTRIBUTION SYSTEM Paragraph 7-1 GENERAL 7-1 7-2 SYSTEM...

Ngày tải lên: 27/06/2014, 05:20

... typical operating voltages The Transmission and Distribution System Figure 1-2 Typical transmission and distribution system Electrical Power Distribution Systems In the pictorial rendition, note that ... Texas, 2004 x The Transmission and Distribution System Chapter The Transmission and Distribution System INTRODUCTION Like any other industry, the electric power system may be thought of as consisting ... Transmission and Distribution System Figure 1-3 Comparison of water flow through different size pipes THE DISTRIBUTION SYSTEM At the substations, the incoming power is lowered in voltage for distribution...

Ngày tải lên: 03/07/2014, 16:09

... economic objectives of the exploitation of distribution systems and systems that use electrical energy Chapter introduces the Distributed Power Generation System (DPGS) as an alternative source of ... harmonics into the electrical system that negatively affect system power quality, which is dealt with in another book By integrating distributed power generation systems closed to the loads in ... and Distribution Systems and Power Quality Disturbances, Edited by Gregorio Romero Rey and Luisa Martinez Muneta p cm ISBN 978-953-307-329-3 Contents Preface IX Part Power Generation and Distribution...

Ngày tải lên: 12/08/2014, 05:20

... an inverter System Identification System identification is the process for modeling dynamical systems by measuring the input/output from system In this section, the principle of system identification ... MIMO (multi input multi output model with equation and characteristic is illustrated 58 Electrical Generation and Distribution Systems and Power Quality Disturbances 3.1 Principle of system ... interconnection operation of PV systems [14-15] An inverter being a power 54 Electrical Generation and Distribution Systems and Power Quality Disturbances conditioner of a PV system consists of power...

Ngày tải lên: 12/08/2014, 05:20

... system electromagnetic phenomena Conclusions In this paper, a PVGCS system is modeled by the Hammerstein-Wiener nonlinear system identification method Two main steps to obtain models from a system ... conducted The second stage is to derive system models from system identification software Collected waveforms are transmitted 78 Electrical Generation and Distribution Systems and Power Quality Disturbances ... generation on power systems: Part – Radial distribution systems PES Summer Meeting, IEEE, Vol 3, pp 1645–1656, 2000 [5] Vu Van T., Impact of distributed generation on power system operation and...

Ngày tải lên: 12/08/2014, 05:20

... objectives of the exploitation distribution systems and systems use electrical energy The optimal solutions to these models, with applications on a OEL 20KV as an EDS subsystem, allow a fundamental ... D (2010) Expert system for Maintenance Actions in Transmission and Distribution Networks, In: Proceedings of the 3rd International 112 Electrical Generation and Distribution Systems and Power ... Optimization of the Electric Power Systems, Multimedia System Publisher, ISBN 973-96197-9-7, Targu-Mures, Romania Sarchiz, D (2005) Optimization of the Electric System Reliability, Matrixrom Publisher,...

Ngày tải lên: 12/08/2014, 05:20

... fault on the source system During the time required for the protection system to operate, the system sees the effect of the fault as a sag Following circuit breaker operation, the system gets isolated ... transmission and distribution lines have highlighted the previously small issues in power quality due to the wide propagation of power quality disturbances in the system The reliability of power systems ... Generation and Distribution Systems and Power Quality Disturbances Milosevic Mirjana, Hysteresis current control in three phase voltage source inverter, ETH publications, power systems and high...

Ngày tải lên: 12/08/2014, 05:20

... seen on distribution systems This required the researchers to use a controlled selection process to ensure that both common and uncommon characteristics of the national distribution systems were ... may be applied to systems of varying size (Bollen, 2001).Values can be calculated for various parts of the distribution system and compared to values calculated for the entire system Accordingly, ... (IEEE Std 1159, 1995) 3.5 System indices System Indices are typically a weighted average of the single-site indices obtained for all or a number of sites within the system The difficulty lies...

Ngày tải lên: 12/08/2014, 05:20