more recent applications for switching power supply techniques
Electronics - Digital Control of Switching Power Supply
Ngày tải lên :
27/10/2013, 16:15
... controller can guarantee higher bandwidth and higher switching frequency for ac/dc power supply References [1] Jigna Patel, "The Hottest Markets for External Power Supplies Now ans a Look at Potential ... be employed for power supply applications as shown in Fig In order to obtain high speed bandwidth of the fixed point DSP, TMS320LF2407, numerous off-line computations are first performed and the ... Gaboriault, "U.S Merchant Markets and Applications for Internal AC/DC Switching Power Supplies and DC/DC Converters", APEC’00, pp 59-63, 2000 [3] P C Todd, “UC3854 Controlled Power Factor Correction Circuit...
- 11
- 535
- 1
brown, m. (1990). practical switching power supply design
Ngày tải lên :
18/04/2014, 12:25
... Use Switching Power Supplies? I CHAPTER How a Switching Power Supply Works I Forward-Mode Switching Regulators 2.2 Flyback-Mode Switching Regulators s CHAPTER A Walk through a Representative Switching ... Configuration CHAPTER Semiconductors Used in a Switching Power Supply 43 5.1 Bipolar Power Transistors 43 5.2 PowerMOSFETs 50 5.3 Rectifiers 56 5.4 Switching Power Supply Control Integrated Circuits 5.4 ... these advantages make the switching power supply a much more versatile choice, with a wider range of applications, than the linear supply The disadvantages of the switching supply are minor and usually...
- 258
- 520
- 0
Chapter 7: Batteries for Stationary Power Supply ppsx
Ngày tải lên :
05/07/2014, 06:20
... seconds in applications like diesel starting up to a month in solar plants In some special cases there are further requirements, e.g for UPS devices the connected power supply requires constant power ... Rights Reserved Figure 7.3 The most important applications for stationary lead-acid and nickel/cadmium batteries Equipment for emergency power supply of technical facilities and processes Today ... disadvantages for batteries that are used in ‘‘cycle applications ’ This almost never happens in applications where the battery mainly is used in standby operation, namely when the power supply is...
- 27
- 306
- 0
Switching Power Supply Design pptx
Ngày tải lên :
08/08/2014, 06:20
... xxviii Switching Power Supply Design 14.4.4 References Part IV 15 Snubber Capacitor Current at Transistor Turn “Off” 665 666 More Recent Applications for Switching ... for Switching Power Supply Techniques Power Factor and Power Factor Correction Power Factor—What Is It and Why Must It Be Corrected? 15.2 Power Factor ... Oscillator-Type Housekeeping Supply for AC Prime Power 6.6.3.3 Flyback-Type Housekeeping Supplies for DC Prime Power 6.6.4 Royer Oscillator Housekeeping Supply Basic Operation...
- 880
- 1K
- 5
AN1086 switching power supply design with the PIC16F785
Ngày tải lên :
11/01/2016, 16:38
... PIC16HV785 with an on-chip 5V shunt regulator for powering the microcontroller and associated circuitry So, the power conversion section of the power supply design is comprised of the two feedback ... work, you may have a right to sue for relief under that Act Information contained in this publication regarding device applications and the like is provided only for your convenience and may be ... RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE Microchip disclaims all liability arising from this information and...
- 22
- 261
- 0
Tài liệu tiếng anh Điện tử công suất mạch MERS Power supply for pulsed magnets with magnetic energy recovery current switch
Ngày tải lên :
15/10/2013, 16:11
... TAKAKU et al.: POWER SUPPLY FOR PULSED MAGNETS WITH MAGNETIC ENERGY RECOVERY CURRENT SWITCH Fig Turn-on waveforms of experimental results Fig 1795 Turn-off waveforms of experimental results ... reduced TABLE I TURN-ON AND TURN-OFF SWITCHING LOSSES III HIGH REPETITION PULSED POWER SUPPLY A Pulsed Current in High Repetition This switch can be applied to a power supply which supplies high-speed ... semiconductor devices, and the switching loss is generated However, this magnetic energy recovery switch achieves zero voltage switching and zero current switching so that the switching loss is reduced...
- 4
- 619
- 1
Tài liệu Advanced Techniques for Designing Distributed Applications for Windows® 2000 docx
Ngày tải lên :
11/12/2013, 14:15
... logical and physical designs for data services ! Create the logical and physical designs for system services Advanced Techniques for Designing Distributed Applications for Windows® 2000 ix Course ... workshop will teach developers how to apply advanced techniques for designing distributed applications for Microsoft® Windows® 2000 Advanced design techniques include the use of design patterns and ... Purchasing 42 Advanced Techniques for Designing Distributed Applications for Windows® 2000 v Best Practices .45 Lab 7: Business Logic for Disconnected Components 46...
- 14
- 557
- 0
Modern Optimization Techniques with Applications in Electric Power Systems pdf
Ngày tải lên :
30/03/2014, 07:20
... Center for Turbulence Research, Stanford University, Stanford, 2000, pp 63–74 22 Introduction Lee, K.Y., El-Sharkawi, M.A.: Modern Heuristic Optimization Techniques with Applications to Power ... The above equation is in quadratic form The matrix A in this form is a symmetrical matrix A more general form for the quadratic function can be written in matrix form as FðXÞ ¼ XT AX þ BT X þ C ... Mantawy Modern Optimization Techniques with Applications in Electric Power Systems Soliman Abdel-Hady Soliman Department of Electrical Power and Machines Misr University for Science and Technology...
- 429
- 2.7K
- 2
Advanced network solutions for electric power applications
Ngày tải lên :
19/04/2014, 19:01
... Encryption} “F” for Firewall or message Filter “M” for Network Managed Function “R” for Router “S” for Switch “T” for Telephone Component Thus “16ESM” is a managed Ethernet Slide Power Quality ... Telecommunication and network technology have changed our life • Communication network is more and more important for electric power • Next big wave Slide Generation Transmission Distribution Transmission ... 59N in a relay is used for protection against Neutral Displacement "G" suffix: "ground", hence a "51G" is a time overcurrent ground relay “S” for Serial “E” for Ethernet “C” for Security Processing...
- 40
- 1K
- 0
Báo cáo hóa học: " Research Article Evaluation of Different Power Saving Techniques for MBMS Services" pptx
Ngày tải lên :
21/06/2014, 22:20
... distinctly for each of the aforementioned techniques, are presented Moreover, combinations of these techniques are examined in order to reveal the additional power gain Transmission power levels ... users forces the Node B to transmit at the power level that is required for the Rate Splitting technique (for more than 31 users) Consequently, about 9% to 33% of maximum Node B’s transmission power ... total transmission power for all the DCH users in the cell, PP is the power devoted to common control channels, Lb,i refers to the path loss for user i, Rb,i the bit rate for user i, W the bandwidth,...
- 15
- 249
- 0
Báo cáo hóa học: "Editorial Advanced Communication Techniques and Applications for High-Altitude Platforms" pot
Ngày tải lên :
21/06/2014, 23:20
... performance assessment and techniques for WiMAX services from highaltitude platform and terrestrial deployments,” by Z Yang et al., the authors investigate the performance and coexistence techniques ... “High-altitude platforms for disaster recovery: capabilities, strategies, and techniques for emergency telecommunications,” by J Deaton, presents a very well-reasoned case for using HAPs to provide ... multi-antenna payload, and both uplink and downlink performances are analyzed The forth paper “Coexistence performance of highaltitude platform and terrestrial system using gigabit communication...
- 3
- 316
- 0
Báo cáo hóa học: " Research Article A Recent Note on Quasi-Power Increasing Sequence for Generalized Absolute Summability" docx
Ngày tải lên :
22/06/2014, 02:20
... } is a quasi-β -power increasing sequence or a quasi-fincreasing sequence, 1.15 does not imply |λm | O , m → ∞ For example, since Xm m−β is a quasi-β -power increasing sequence for < β < and if ... any sequence {xn }, the notation xn O means xn For any matrix entry anv , Δv anv : anv − an,v Quite recently, Savas obtained sufficient conditions for ¸ |A, δ|k , k ≥ 1, ≤ δ < 1/k as follows 1.6 ... quasi-β -power increasing sequence if there exists a constant K K β, γ ≥ such that Knβ γn ≥ mβ γm 1.4 holds for all n ≥ m ≥ It should be noted that every almost increasing sequence is a quasi-βpower...
- 10
- 177
- 0
Báo cáo hóa học: " Research Article Efficient Algorithm and Architecture of Critical-Band Transform for Low-Power Speech Applications" pdf
Ngày tải lên :
22/06/2014, 19:20
... suitable for low -power VLSI realization because of the high computation complexity and high hardware complexity Therefore, there is a need to design an efficient spectral analyzer for low -power speech ... the critical-band scale Recently, low -power VLSI speech systems, such as speech recognizers and speech codecs, have many promising applications in large volume battery powered portable products, ... signal A clear formant structure for the vowel “a” can be observed from Figure 2(b), with the first and second formant frequencies around 650 Hz and 1100 Hz, respectively The third formant around...
- 10
- 394
- 0
POWER SERIES TECHNIQUES FOR A SPECIAL SCHRÖDINGER OPERATOR AND RELATED DIFFERENCE EQUATIONS MORITZ docx
Ngày tải lên :
23/06/2014, 00:20
... (i) α0 = 1, αk = for all k ∈ N, and β0 = −B, β1 = d, βk = for all k ∈ N \ {1} (ii) α0 = 1, αk = for all k ∈ N, and β0 = −B, β2 = c, βk = for all k ∈ N \ {2} (iii) α0 = 1, αk = for all k ∈ N, and ... αk xk and let p0 (x) = k= moreover let the differential equation ∞ k k=0 βk x be convergent power series, x2 ψ + x p1 (x)ψ + p0 (x)ψ = ∀x ∈ Ᏸ (3.1) 112 Power series techniques and Schr¨ dinger ... 110 Power series techniques and Schr¨ dinger operators o (i) x is the dimensionless radial distance (in the plane) (ii) ψ gives information on the probability density for measuring...
- 10
- 273
- 0
Chapter 3: Power Supply Concepts for Driverless Industrial Trucks pps
Ngày tải lên :
05/07/2014, 06:20
... regularly (7 x) for each day of the week These examples, which are admittedly shown in a simplified form, are intended to indicate which information is essential for producing the power supply concept: ... DEVELOPMENT OF A CONCEPT OF POWER SUPPLY The efficiency of any power supply concept depends greatly on the amount of relevant data available on its application The more detailed the description ... capacitive operation for the development of a reliable, functional power concept The intervals between applications dictated by the sequence control system, which forms the basis for the plan of charging,...
- 17
- 275
- 0
Báo cáo toán học: "Further applications of a power series method for pattern avoidance" ppt
Ngày tải lên :
08/08/2014, 14:23
... avoidance using the Lov´sz local lemma (see [2, 9]) a For pattern avoidance it may even be more powerful than the local lemma in certain respects For instance, Pegden [13] proved that doubled patterns ... the form (a), and there are at most j ak−j cj words w of the form (b) We thus have the inequality mk − ak ≤ (mk−1 − ak−1 )m + ak−j cj j Rearranging, we have ak − ak−1 m + ak−j cj ≥ 0, (2) j for ... make the technique perhaps a little more accessible to combinatorialists, we present a proof of Theorem using combinatorial language i i Proof of Theorem For two power series f (x) = i≥0 x and g(x)...
- 8
- 234
- 0
Natural gas supply management and contract allocation and valuation for a power generation company
Ngày tải lên :
09/09/2015, 08:15
... relevance of the topic is apparent for the power generation companies (GENCOs), as fuel cost accounts for more than 70% of total generation cost for gas-fired power plants (Chang and Hin Tay, 2006) ... it is highly imperative to develop a plan for strategic gas supply management to reap more fuel cost savings Natural gas supply management is crucial for natural gas-fired GENCOs, especially after ... natural gas (Tan et al., 2010) Furthermore, the demand for natural gas-fired power generation is continuously growing Based on the estimation of the Energy Information Administration (EIA), the...
- 163
- 649
- 0
Applications of analysis and synthesis techniques for complex sounds
Ngày tải lên :
30/09/2015, 13:49
... interactivity that generative models afford For example, sound textures are an important class of sounds for interactive applications, but in a raw or even compressed audio form they have significant memory ... redundant information to only 1% of the previous C-UEP system We make evaluations for both applications and discuss the limitations of the vi current system We also demonstrate the other possible applications ... sounds It is more appropriate for generating infinite extensions with semantically irrelevant statistical variation than it is at providing model parameters for interactive control or for exploring...
- 62
- 263
- 0