2calculation+method+for+squirrel+cage+induction+generator

VCM 2012 11 Đề xuất phương pháp kích từ cho máy phát đồng trục sử dụng  máy điện dị bộ nguồn kép trong trạm phát điện tàu thủy A novel excitation method for shaft generators using doublyfed induction machines on power –station on shipboards

VCM 2012 11 Đề xuất phương pháp kích từ cho máy phát đồng trục sử dụng máy điện dị bộ nguồn kép trong trạm phát điện tàu thủy A novel excitation method for shaft generators using doublyfed induction machines on power –station on shipboards

... phát thường thiết kế có máy phát đồng trục làm việc với cụm diesel – generator (DG) Hệ thống máy phát đồng trục (SG – Shaft Generator) có nhiều phương án kĩ thuật thoả mãn yêu cầu vận hành, khai ... điện dị rotor dây quấn làm việc chế độ máy phát cấp nguồn từ hai phía (DFIG: Doubly – Fed Induction Generator) DFIG làm máy phát đồng trục có ưu điểm bật stator DFIG nối trực tiếp với lưới điện,...

Ngày tải lên: 25/07/2015, 07:26

8 352 1
Novel method for sputum induction using the Lung Flute in patients with suspected pulmonary tuberculosis pdf

Novel method for sputum induction using the Lung Flute in patients with suspected pulmonary tuberculosis pdf

... diagnosis of TB The device may represent a new technology for sputum induction for the diagnosis of pulmonary TB The Lung Flute for sputum induction was invented recently by Hawkins in the USA Tracheal ... container For all patients, use of the Lung Flute and sputum induction were performed in a negative ventilation room, as a precautionary infection control measure Patients remained in the room for ... using the Lung Flute may a potential method for sputum induction There are some limitations to the present study This was a preliminary investigation performed only in the setting of a TB clinic,...

Ngày tải lên: 29/03/2014, 03:20

4 451 0
Doublyfed induction generator wind turbine modelling for detailed electromagnetic system studies

Doublyfed induction generator wind turbine modelling for detailed electromagnetic system studies

... ‘Grid fault ride through for wind turbine doubly-fed induction generators’ PhD Thesis, Newcastle University, 2008 Peña, R., Clare, J.C., Asher, G.M.: ‘Doubly fed induction generator using back-to-back ... its control performance The linearisation process of different mass systems has been performed in [15] and this methodology is applied in [16] to design the PI controller Here the method is extended ... angle β (deg.), for which the numerical approximation in [9] is used l= vr Ra vw 1 0.035 = − li l + 0.08b b3 + Cp (l, b) = 0.22 2.2 116 − 0.4b − e−(12.5/(li )) li (3) (4) (5) Induction generator modelling...

Ngày tải lên: 27/06/2014, 16:06

10 492 1
Design of LCL filters for the back to back converter in a doubly fed induction generator

Design of LCL filters for the back to back converter in a doubly fed induction generator

... quality of a doubly-fed induction generator with a second-order LC filter in the rotor circuit," in 18th International Conference on, 2008, pp 1-6 [7] P A Dahono, "A control method to damp oscillation ... presents low pass characteristics for the high frequency components, the capacitor branch can be neglected while determining the control parameters Thus the PI controllers for the converter with LCL ... filter on GSC side It can be seen that the filter has satisfactory filtering performance with the gain of -37.2dB for 1950Hz signal, and higher frequency harmonics get higher attenuation The slender...

Ngày tải lên: 25/08/2016, 19:15

6 573 0
DSpace at VNU: Parameter Identification Method for a Three-Phase Induction Heating System

DSpace at VNU: Parameter Identification Method for a Three-Phase Induction Heating System

... the same principle as in the classical method, the rms values of the currents (12) and NGUYEN et al.: PARAMETER IDENTIFICATION METHOD FOR A THREE-PHASE INDUCTION HEATING SYSTEM 4857 Fig Block ... control of the inductor currents will be performed correctly VI C ONCLUSION This paper has described a new method for parameter estimation of a multiphase induction heating system Simulations and ... casting billet induction heating process for hot rolling,” in Proc 3rd Int Conf ISDEA, 2013, pp 942–945 [7] M Souley et al., “Methodology to characterize the impedance matrix of multi-coil induction...

Ngày tải lên: 17/12/2017, 15:23

8 182 0
AN IMPROVED INTERPOLATION METHOD FOR CHANNEL ESTIMATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SYSTEM USING PILOT SIGNALS

AN IMPROVED INTERPOLATION METHOD FOR CHANNEL ESTIMATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SYSTEM USING PILOT SIGNALS

... technique for pilot estimation combined with wavelet denoising 5.8 MSE performance for channel estimation based different interpolation 114 technique using MMSE for pilot estimation 5.9 MSE performance ... the study and methodology were formed for this research, as follows: Review of previous literature pertaining to available techniques of channel estimation for the OFDM system for solving the ... performance based on QPSK Modulation 83 4.4 The OFDM systems performance based on DBPSK Modulation 85 4.5 The OFDM systems performance based on DQPSK Modulation 87 4.6 The OFDM systems performance...

Ngày tải lên: 26/05/2013, 21:28

153 525 0
Modern method for guitar 1

Modern method for guitar 1

... should like to mention at this point that all music presented for study on these pages is original and has been created especially for the guitar EACH composition has been designed to advance ... explained If further information is desired, some very excellent music dictionaries in soft cover editions can be obtained at a small cost.) I feel, however, that with this method, (as with all ... possible Fingering and counting indications have been kept at what I consider a sensible minimum #2 For the gradual development of dexterity in BOTH hands This is the physical part of learning to...

Ngày tải lên: 16/08/2013, 08:28

127 783 1
Modern method for guitar 2

Modern method for guitar 2

... SECTION MOST IMPORTANT FOR NOW IS THE PHYSICAL ABILITY TO PERFORM THEM AND EVENTUAL MEMORIZATION OF ALL FORMS, CHORD TYPES AND ROOT LOCATIONS NOTE THAT THESE ARE THE SAME FORMS AS THOSE SHOWN ... This book is a continuation of Volume I, Modern Method for Guitar Most of the terms and techniques are directly evolved from material presented there For example, the entire fingerboard is covered ... inquisitive student and maybe shed some light into the mysterious workings of music for guitar players in general As before, good luck and have fun William G Leavitt ALL SCALES (MAJ and MIN etc )...

Ngày tải lên: 16/08/2013, 08:28

122 780 2
Development of the Quantitative PCR Method for Candidatus ‘Accumulibacter phosphatis’ and Its Application to Activated Sludge

Development of the Quantitative PCR Method for Candidatus ‘Accumulibacter phosphatis’ and Its Application to Activated Sludge

... sludge Nevertheless, quantitative PCR method for Candidatus ‘Accumulibacter phosphatis’ has not been developed yet In this study, quantitative PCR method for Candidatus ‘Accumulibacter phosphatis’ ... quantitative PCR was 1.0 % for Ct value and 11 % for the calculated copy numbers, respectively (n=6) Variation in quantitative PCR only was 0.78 % for Ct value and 7.5 % for the calculated copy ... conditions included a pre-incubation step of at 94 °C followed by 35 cycles of 94 °C for 15 sec, 57 °C for 20 sec, and 68 °C for 15 sec - 38 - Journal of Water and Environment Technology, Vol.5, No.1,...

Ngày tải lên: 05/09/2013, 09:38

7 719 0
a rapid method for estiminating of noise expouse workplace

a rapid method for estiminating of noise expouse workplace

... checklist for noise inspection can be used with a high reliance before of noise measuring without necessity to use the instrument in workplaces Therefore, this method is a proper rapid method for exploiting ... screening is a common method for early investigations for separation of study popular (8-12) The Propose of this study was to submit a simply scientifically screening method for inspection of noise ... investigation was compared The suggested method can be used for recognition step of noise assessment in large scale investigations This method is a proper way for exploiting and reducing the expenses...

Ngày tải lên: 05/09/2013, 13:23

7 418 0
The phenomenon of evaporative cooling from a humid surface as an alternative method for air-conditioning

The phenomenon of evaporative cooling from a humid surface as an alternative method for air-conditioning

... similar conditions to the ones established for the semi-indirect evaporative recover made of ceramic pipes introduced before This test has been performed for outside air temperature of 40 C, 18 ... of the adiabatic tunnel described before To clarify what has been exposed before, the evolution of an air stream originally at 25ºC and 30% of RH is described for different cases of water temperature ... dispositions introduced for energy management, new devices and generators among others, is to reduce the energy consumption in buildings, they must ensure a proper comfort level and well being...

Ngày tải lên: 05/09/2013, 16:10

28 652 0
Experimental testing method for solar light simulator with an attached evacuated solar collector

Experimental testing method for solar light simulator with an attached evacuated solar collector

... points for maximum electrical output for an area of inch in diameter were determined However most researchers have focused on relatively small scale solar simulators in order to achieve a uniform ... 2011 [4] Standards For Simulators Can Vary Widely Solar industry, http://www.solarindustrymag.com Accessed on February 27, 2011 [5] Kohraku S and Kurokawa K., "New methods for solar cells measurement ... [8] Standard specification for direct normal spectrum solar simulation for terrestrial photovoltaic testing, ASTM standard E928, 1983, revised 1985 (American Society for Testing and Materials,...

Ngày tải lên: 05/09/2013, 16:10

12 443 0
Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

... experimental setup consists of inverter, wound type induction motor, squirrel cage type induction generator, SVC MERS and three phase resistive loads Induction motor, as a prime mover, is supplied ... speed and also to make variable speed conditions Induction motor is coupled to induction generator The SVC MERS inputs are connected to the induction generator terminals and the outputs are in star ... to maintain rated voltage of induction generator for variable speed conditions In this experiments, the rotor speed is changed from 0.8 pu to 1.3 pu, while induction generator output power is half...

Ngày tải lên: 15/10/2013, 16:10

7 835 2
A monte carlo method for multi area generation system reliability assessment

A monte carlo method for multi area generation system reliability assessment

... Area 3: One 800 MW generator with FOR= O.18 is added and the annual peak load is increased to 3575 Mw Area 4: One 800 MW generator with FOR= O.18 and one 600 MW generator with FOR= 0.15 are added ... derated states of 50% capacity for the 350 MW and the two 400 MW generators in each area are included Table LOLE Indices for Cases to (in hrsmac) Area 2: Three 197 MW generators are removed and the ... supported areas and therefore the upper limit of each "fictitious generator variable" is assigned as the relative "required load" The "generator variables", the "fictitious generator variables",...

Ngày tải lên: 03/01/2014, 19:35

6 367 0
16  an interval method for linear IVPs for ODEs nedialkok

16 an interval method for linear IVPs for ODEs nedialkok

... Choice of a Transformation Matrix Parallelepiped method H = C, [r] = (H −1 C)[0, 1]n + H −1 [e] = [0, 1]n + C −1 [e] This method breaks down when C is close to singular QR-factorization method C = ... series + remainder term • The method does not impose restrictions on the size of the initial box • An automatic differentiation package for computing Taylor coefficients for the solution to Y = A(t)Y ... − 1)[e0 ] [e] = j=1 For all yi ∈ { b0 + Bα | α ∈ [0, 1]n }, n y(ti+1 ; ti , yi ) ∈ w0 + αj (wj − w0 ) | αj ∈ [0, 1], wj ∈ [wj ] j=1 ⊆ c0 + Cα + [e] | α ∈ [0, 1]n , 12 since for α ∈ [0, 1]n , wj...

Ngày tải lên: 12/01/2014, 22:02

30 275 0
A novel interval method for validating state enclosures of the

A novel interval method for validating state enclosures of the

... yapp,2,1 = The iteration formula (7) is now evaluated for m xapp (t) = ∑ j=0 yapp,1, j (t) yapp,2, j (t) , (22) where m = for Case and m = for Case The interval enclosures for all state variables ... nonlinear terms — for the initial conditions y0 app,0 = xapp and yapp, j = 0, ∀ j ≥ Now, the iteration (7) is performed with the improved approximation xapp (t) for ε = which is demonstrated for the simple ... scenarios demonstrate the necessity for study and development of validated methods for both verification and design of modern control strategies 4 C Validated Techniques for the Solution of Initial Value...

Ngày tải lên: 12/01/2014, 22:04

12 373 0
Tài liệu The Cost of a Military Person-Year - A Method for Computing Savings from Force Reductions pptx

Tài liệu The Cost of a Military Person-Year - A Method for Computing Savings from Force Reductions pptx

... ensure high standards for research quality and objectivity The Cost of a Military Person-Year A Method for Computing Savings from Force Reductions Carl J Dahlman Prepared for the Office of the ... 93 Annualized Total Accrual Savings per Two Methods 98 Air Force Force-Shaping Actions 2007, Officers 100 Air Force Force-Shaping Actions 2007, Enlisted Personnel ... person-year : a method for computing savings from force reductions / Carl J Dahlman p cm Includes bibliographical references ISBN 978-0-8330-4151-7 (pbk : alk paper) United States—Armed Forces—Pay,...

Ngày tải lên: 17/02/2014, 23:20

153 396 0
Tài liệu Báo cáo khoa học: A facile method for expression and purification of the Alzheimer’s disease-associated amyloid b-peptide pdf

Tài liệu Báo cáo khoa học: A facile method for expression and purification of the Alzheimer’s disease-associated amyloid b-peptide pdf

... required for thioflavin T (ThT)-based fibrillation assays (typical concentrations used are 3–10 lm), but is not sufficient for other biophysical studies We therefore examined a number of methods ... were incubated for days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses Immunocytochemistry Neurons were fixed in 4% paraformaldehyde for 20 at room ... (Fig 1) were used for expression in Escherichia coli as described in Experimental procedures For Ab(M1–40) and Ab(M1–42), the highest yields were obtained between and h after induction, with similar...

Ngày tải lên: 18/02/2014, 13:20

16 691 0
Tài liệu Báo cáo khoa học: Development of a new method for isolation and long-term culture of organ-specific blood vascular and lymphatic endothelial cells of the mouse pdf

Tài liệu Báo cáo khoa học: Development of a new method for isolation and long-term culture of organ-specific blood vascular and lymphatic endothelial cells of the mouse pdf

... (Olympus, Tokyo, Japan) For immunocytochemistry, cells were fixed on ice with 4% PFA in NaCl ⁄ Pi for 10 min, incubated in methanol at )20 °C for 20 min, and rehydrated in NaCl ⁄ Pi For detection of ... cultured in EBM-2 basal medium with 0.5% serum for 24 h Cells were incubated with growth factors at 33 °C for 10 and harvested for analysis Tube formation of tsA58T-expressing endothelial cells ... University of Tokyo, Japan) for providing pCAG-Cre; Dr Ikuo Yana (Institute of Medical Science, University of Tokyo, Japan) for help in performing endothelial tube formation experiments This work...

Ngày tải lên: 18/02/2014, 17:20

11 873 0
Xem thêm
w