design operation and testing of synchronous machines

... the design stage, the hardware and software design blocks and the main features of the T-Sunalyzer, debugging and troubleshooting work during the construction stage and experimental results of ... cells and modules is designed, constructed, and thoroughly tested. 5 1.2 Aim of the project and thesis The main objective of the T-Sunalyzer is to measure and analyze I-V characteristics of thin-film ... the design and implementation of the T-Sunalyzer. The Chapter starts with the introduction of the proposed I-V tester specifications. It is followed by high level design and hardware design of

Ngày tải lên: 04/10/2015, 15:45

... the design stage, the hardware and software design blocks and the main features of the T-Sunalyzer, debugging and troubleshooting work during the construction stage and experimental results of ... cells and modules is designed, constructed, and thoroughly tested. 5 1.2 Aim of the project and thesis The main objective of the T-Sunalyzer is to measure and analyze I-V characteristics of thin-film ... the design and implementation of the T-Sunalyzer. The Chapter starts with the introduction of the proposed I-V tester specifications. It is followed by high level design and hardware design of

Ngày tải lên: 13/10/2015, 15:57

... the Design, Construction, Operation, and Maintenance of Small Wastewater Treatment Facilities with Land Disposal Commonwealth of Massachusetts Department of Environmental Protection Division of ... involved in the design, construction, and use of small wastewater treatment facilities in the Commonwealth of Massachusetts It outlines the current regulations, policies, and standards of MassDEP ... Massachusetts in the design and construction of land-based systems It should be emphasized that while this guidance is intended primarily for small systems, many of the principles and design criteria

Ngày tải lên: 17/04/2017, 07:03

... focus of chemical and biological studies since the elucidation of the structure of DNA and an understanding of the role of DNA in the life cycle of a cell The interaction of small ... “Central Dogma of Molecular Biology” 3 1.2. Primary structure of DNA 4 1.3. A•T and G•C Watson-Crick base pairs of DNA 4 1.4. Structures of A, B, and Z-DNA 5 1.5. Structure of the B-form DNA ... Systems 21 1.6. Plan of Study 23 v Page 1.7. List of References 25 CHAPTER 2. DESIGN AND SYNTHESIS OF AMINO ACID-BENZIMIDAZOLE- AMIDINE CONJUGATES 30 2.1. Design of Amino Acid-Benzimidazole-Amidine

Ngày tải lên: 24/08/2014, 11:27

... water and fine sands and prevent proper concreting of the shell or extraction of the mandrel, however, the use of the mandrel may be uneconomical Mandrels should prevent distortion of ... and the cap, lack of adequate strength and rotational ductility in the pile section, and because of faulty analyses Design and detailing of piles to resist seismic forces and ... pile-driving and load -testing program undertak- en during the design phase of a project. Without such a test program, the designer must decide on the type of pile, size of pile, and the pile-driving

Ngày tải lên: 24/10/2014, 17:26

... ultimate load of the cylinders Premature damage to testing machines and loss of calibration have occurred as a result of large numbers of explosive failures at high loads Testing machines should ... longitudinal and lateral stiffness, alignment of the machine components, type of platens, and the behavior of the platen spherical seating Testing machines should meet the requirements of ASTM C ... mixing and placing, inspection and testing, physical properties, structural design, economics, and examples of applications It was updated in 1992 This guide is an extension of ACI 363R, and presents

Ngày tải lên: 24/10/2014, 21:59

... Foundation of the State University of New York at Binghamton x TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES LIST OF SCHEMES LIST OF SYMBOLS AND ABBREVIATIONS Introduction to ... onto the receptor of tmeda-PPETE, fluorescence enhancements of 150 fold were achieved in the presence of 10 micromolar of iron cations . The combination of the conjugated polymer and metal cation ... Chromatography (GPC) and elemental analysis. Detailed photophysical studies of dea-PPETE and tmeda-PPETE demonstrated relatively weak emission at λ max = 488 nm with quantum yields of 0.11 and 0.09.

Ngày tải lên: 13/11/2014, 10:54

... Pugh Professor of Chemistry Thesis Advisor Chair of Committee Karl T. Mueller Associate Professor of Chemistry Alan J. Benesi Lecturer in Chemistry James P. Runt Professor of Polymer ... deprotection and lithiation of the 4-(propylcarboxalato)phenoxy side groups, and the characterization of the polymers are discussed to illustrate the dependence of ion transport and hydrophobic ... other hand, if the active... Random and alternating copolymers typically exhibit properties that are intermediate of the two respective homopolymers of each monomer The third type of copolymer

Ngày tải lên: 13/11/2014, 11:13

... stylus profilometry, optical profilometry and ECV profiling. Their willingness to share their time and knowledge has made my work easier and much more enjoyable. For the last two years of my work, ... reflectance and (b) an increased conductivity of the combined stacks. For the target peak reflectance wavelength range of 900 ± 200 nm, a peak reflectance of over 90% and a sheet resistance of less ... 4.3 Calibration of diffusion profiles 82 4.4 Calibration of thin films deposited on diffused and undiffused wafers 83 4.5 Calibration of interface properties

Ngày tải lên: 09/09/2015, 11:15

... were undertaken and found that all these activated MOFs exhibits very low or no uptake of H2 and N2 gases at bar and 77 K, but better adsorption of CO2 with hysteresis On the other hand, the 7-18 ... current and previous friends in Singapore, Anand, Durga, Deva, Gopal, Dr Vasu, Venu and many more for their help and association I want to pay my deep regards and gratitude to all my teachers and ... Table of Contents VI Summary XII List of Tables XV List of Figures XVI List of Schemes XXII List of Abbreviations XXIII Publications XXV List of conferences and workshops XXVII Chapter 1: Introduction

Ngày tải lên: 09/09/2015, 11:15

... entirety, under the supervisions of Professor Sam Li Fong Yau (National University of Singapore), Assoc Professor Hu Jiangyong (National University of Singapore) and Asst Professor Toh Chee Seng (Nanyang ... department office of the Department of Chemistry and the Lab Supplies The guidance by the lecturers of the graduate modules and the QE panel are gratefully acknowledged The assistance from the admin officer ... determinations of Na+ and K+ had been limited to simple proof -of- concept studies which were intended to ascertain that the processes of Na+-inhibited K+ intercalation and competing Na+-inhibited and direct

Ngày tải lên: 10/09/2015, 09:13

... DESIGN, CONTROL, AND APPLICATION OF PIEZOELECTRIC ACTUATOR External-Sensing and Self-Sensing Actuator ANDI SUDJANA PUTRA NATIONAL UNIVERSITY OF SINGAPORE 2008 DESIGN, CONTROL, AND APPLICATION ... thesis discusses the design, modeling, and control of piezoelectric actuator Two major contributions are reported in the thesis: design of external-sensing actuator and design of self-sensing actuator ... Takemura and T Maeno, ? ?Design and control of an ultrasonic motor capable of generating multi-DOF motion”, IEEE/ASME Trans Mechatronics, vol 6(4), pp 499-506, 2001 [83] T S Low and W Guo, “Modeling of

Ngày tải lên: 14/09/2015, 14:01

... element α Length of SqA or the number of residues in SqA β Length of SqB or the number of residues in SqB Q Number of iteration used to compute the S, h, and f matrices αj Number of residues of SqA ... which the operations of the front-ends of the successive processors may collide, as we have only considered the possibility of a collisionfree front-end operation of P2 with respect to P1 and P3 ... front-end of P2 is occupied until τ2 , while the front-end of P3 , P4 , and P5 is occupied until τ3 , τ4 and τ5 respectively. On the other hand, for the distribution of L1,n , the front-end of P2

Ngày tải lên: 30/09/2015, 06:10

... Characterization and Testing of Nanofluid Cooling Technology for Electronic Systems Xue Zhengjun NATIONAL UNIVERSITY OF SINGAPORE 2005 Characterization and Testing of Nanofluid Cooling Technology ... 3.2.3 Stability of As-prepared Nanofluids………………………………49 iii Table of Contents 3.3 Experiment Design and Operation Principles…………………………… 50 3.3.1 Apparatus for Thermal Conductivity Testing? ??………………… ... performance improvement of nanofluid-cooled liquid cooling systems The thermal performance of the MCHS cooling system was measured and calculated in terms of junction-to-inlet and heatsink base-to-inlet

Ngày tải lên: 03/10/2015, 20:31

... microphone signal and RMS values of the low-frequency (MMG) and high-frequency filtered signals during contrac- tion and movement. Alves and Chau Journal of NeuroEngineering and Rehabilitation ... by the unfused mechani- cal activities of motor units. The bulk movement of the muscle and asynchronous activation of fibers at the initi- ation and end of contraction creates a high-amplitude transient ... signals were band-pass filtered with a 5 th order Butterworth filter with a cut-off frequency range of 5-100 Hz. The low cut-off attenuates the effects of move- ment [30], while the high cut-off attenuates...

Ngày tải lên: 19/06/2014, 08:20

... ASYNCHRONOUS AND UNBALANCED OPERATION OF SYNCHRONOUS MACHINES The analysis of unbalanced operation of synchronous machines is quite involved, requiring manipulation of a large number of equations to ... K s = − ⎡ ⎣ ⎢ ⎤ ⎦ ⎥ cos sin sin cos θθ θθ (9.8-4) ASYNCHRONOUS AND UNBALANCED OPERATION OF SYNCHRONOUS MACHINES 369 Motor Starting The free acceleration characteristics of a synchronous motor with the fi eld ... reaches steady-state operation. On the other hand, the analysis of steady-state perfor- mance of a synchronous machine during asynchronous operation (pole slipping) is of importance. Over...

Ngày tải lên: 16/02/2014, 18:48

... advantages and disadvantages, and it is the designers task to find a suitable compromise that best fits the task at hand. Table 2.5 sum- marizes the frequency- and time-domain characteristics of these ... nearly flat in the passband and rolls off smoothly and monotonically. In addition, it has virtually no ripple in either the passband or the stopband. For these reasons, many designers regard the ... amplitudes and must therefore be amplified before their processing and display can be accomplished. The specifications and lists of characteristics of biopotential amplifiers can be as long and con- fusing...

Ngày tải lên: 29/03/2014, 11:20

... ‘shaftless’ and ribbon screws, ‘plug seals’, and a host of design variants offer scope for innovative and specialized functions. There are also a number of limitations and disadvantages of helical ... understanding grew of their advantages and limitations, the ingenuity of engineers produced a plethora of applications in all industries, from food and pharmaceuticals to waste and sewage handling. ... theory of flow in hoppers, in the late 1960s, that a sufficient understanding of the mechanics of solids was gained to facilitate a more scientific basis for the design of screw feeders and their...

Ngày tải lên: 01/04/2014, 11:52

... assume that the signal bandwidth of V(t)andH(t) (hence the bandwidth of  V(t )and  H(t)) is B S , and that the bandwidth of n V (t)andn H (t)isB n (equal to the receive antenna bandwidth). Usually, ... in (25), and the results are shown in Figures 5 and 6. In the simulation, both the SNR V and the SNR H terms are equal, and the bandwidth of the antenna is 10 MHz wider than the bandwidth of the ... avoid truncation of the wider spectrum caused by the modulation. The bandpass filter has a bandwidth of 100 MHz and is centered at 3 GHz. In Figure 5, a low-pass filter bandwidth of 10 MHz is used...

Ngày tải lên: 21/06/2014, 23:20

... in Figure 9, the crystal structures of two Cd(II)-based MOFs (i.e., Cd MOF-1 and Cd MOF-2) and three Cu(II)-based MOFs (i.e., Cu MOF-1, Cu MOF-2 and Cu MOF-3) we have prepared all feature non-cubic ... the case of Cd MOF-1 and Cd MOF-2, they exhibit smaller channels then designed while remaining some degree of porosity. Figure 34 Adamentine view of a single fold of framework of Cd MOF-2, which ... 4-(imidazolyl) benzoic acid ligands: Cu MOF-3N, Cu MOF-4, Cu MOF-5 and Cd MOF-3. Cu MOF-5 and Cd MOF- 3 exhibit saturated octahedral coordination, showing square planer and tetrahedral distribution...

Ngày tải lên: 02/07/2014, 12:59