CHAPTER 16: Power Circuits: Switching and Amplifying pptx

... None, as in zero. CHAPTER 16 Power Circuits: Switching and Amplifying Class-D Amplifiers Sounds like a linear amp, but it is switched. SMPS • Switch-Mode Power Supplies (SMPS) ... (5W of load power) / (15W total power) = 0.333 = 33.3% Objectives Describe and Analyze: • Efficiency • MOSFET vs. BJTs • Power switching circuits • Classes of amplifie...

Ngày tải lên: 08/08/2014, 16:22

... DC, and DC to AC. Chapter 5 Power Electronics: Devices and Circuits 5.1 Introduction Power electronics is an enabling technology for all electrical and electronic apparatus requiring electric power ... This Bibliography [1] S. Ang, and A. Oliva, Power- switching converters, CRC Press, 2 nd Ed., 2005. [2] N. Mohan, T. M. Undeland, and W. P. Robbins, Power electronics: co...

Ngày tải lên: 31/07/2014, 14:20

... 6.1 DS and T line rates 6.12 Five channels, each with a 100-kHz bandwidth, are to be multiplexed together. What is the minimum bandwidth of the link if there is a need for a guard band of 10 ... 20- to 24-kHz bandwidth for the first channel, the 24- to 28-kHz bandwidth for the second channel, and the 28- to 32-kHz bandwidth for the third one. Then we combine them as shown in Figure...

Ngày tải lên: 16/02/2014, 20:20

... constructing and operating nuclear power generating facilities. There are very different types of power plants, and the examples mentioned in this chapter originate from experience with water cooled and ... difficult, harsh conditions. The pressure and temperature is high - up to 160 bar and 320°C - and the power density in some reactors reaches 90 kW/liter and above....

Ngày tải lên: 26/06/2014, 23:20

... charge Q, its velocity v, and the flux density B, and to the sine of the angle between the vectors v and B. The direction of the force is perpendicular to both v and B and is given by a unit vector ... A0; 0; 0 and B  100a y mT; (b) A0; 0; 0 and B  200a x  100a y mT; (c) A1; 2; 3 and B  200a x  100a y À 300a z mT; (d) A1; 2; 3 and B  200a x  100a y À 300a z mT...

Ngày tải lên: 07/08/2014, 20:23

... K d and K ds values of 0.47 L/g and0 .56L/gfortheMBRbiomass ,and0 .32L/gand0.61L/gfortheCBRbiomass, respectively. Using these values, the hysteresis index values for the MBR and CBR were 0.19 and ... S., Toito, J., Peart, T., Lee, B., Servos, M., Beland, M., and Seto, P. Occurrence and reductions of pharmaceuticals and per- son al care products and estrogens by municipal wastew...

Ngày tải lên: 18/06/2014, 16:20

... serious blunder to speak of a land monopoly and to refer to monopoly prices and monopoly gains in explaining the prices of agricultural products and the rent of land. As far as history is confronted ... unknown and uncertain future man has within his reach only two aids: experience of past events and his faculty of understanding. Knowledge about past prices is a part of this experie...

Ngày tải lên: 02/07/2014, 13:20

... angular-momentum-balanced, robot 48 ball -and- cone 250 ball -and- disk, and 251 ball -and- screw 5 12 bearings and roller 117 belt 12 224 257 belt -and- chain, variable speed 224 cam for ... quick-release and positive locking 410 rack -and- gear sector 116 rack -and- pinion 38 reciprocator, reciprocating cycloidal 113 in-line 114 lever 38 linear 117 rotar...

Ngày tải lên: 22/10/2012, 14:27

... porous, and so on and the type or shape of the molecule. Exam- ples of this phenomenon are fogging up of the inside of an auto windshield and dew forming on grass. Chapter 16 ● Extraction and ... hard and soft plastic; plastic fibers and fabric; and resistant, dec- orative, and transparent plastic. Various methods are used in this process. I n extrusion, solid resins are m...

Ngày tải lên: 27/08/2013, 07:28