ELEC4614 Power Electronics School of Electrical Engineering & Telecommunications University of New South Wales ELEC4614 - Power Electronics Solution of Tutorial 1 - Basic Concepts in Power Electronics Question 1. (a) Vd VT 300 I T Rds 200 A This neglects the on-state voltage drop of the R 1.5 switch. This is only acceptable when the on-state voltage is small compared to the DC supply voltage Vd (= 300V in this case). t During turn-on time‚ vT (t ) Vd 1 ; again neglecting
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Electronic waste in Guiyu‚ China Introduction of the town: Guiyu is a town located in the Guangdong Province of southeast China. . The population consists of 200‚000 local residents and 200‚000 migrant workers living in the town. The town’s economy purely relied on agriculture before the late 80s. But after that‚ Guiyu has highly involved in e-waste recycling business. Not only myriads of farmers have abandoned agriculture and joined the recycling‚ but also migrant workers in other provinces
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Case Study – Blake Electronics Decision Making Model 1) Defining the Problem: Should Steve contract any of the marketing companies that will assess the favorability of introducing the products to the market? If he will contract any of the two companies‚ which one would he choose (MAI or I&K)? Should the new products be even introduced to the market? 2) Developing a Model: MAI’s proposal directly gives Steve the conditional probabilities he needs - probability of a successful venture given
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CBI Holding Company‚ Inc. Case Solution I. Summary A CBI Holding Company was a New-York based parent company for several wholly-owned subsidiaries. These marketed an extensive line of pharmaceutical products that were purchased from drug manufactures‚ warehoused in storage facilities and then resold to retail pharmacies‚ hospitals long-term care facilities and related entities. CBI’s chairman and president Robert Castello was the seat of the CBI‘s troubles and principal implementer of
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SAMSUNG ELECTRONICS SUMMARY Under Kun Hee Lee’s leadership Samsung has risen to become the world’s leading memory producer for all types of PCs‚ game players‚ digital cameras and other electronic equipments. In 1987‚ Samsung was a “bit player”‚ years behind its key Japanese rivals. In 2003 Samsung’s memory division is bigger than that of Japanese rivals in both size & profits. The memory chip industry was expected to face cyclical downturn in 2005 and Samsung survived two previous downturns
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Jela De Leon Arceli Fajardo Auxil Jamorol Aris Zoleta Nerisa Torres Case: Blake Electronics Statement of the problem: a. Should Steve contract the services of an outside research agency? b. If survey is warranted‚ should he employ MAI or I&K? c. Should the new product line be introduced? Analysis of the problem: MAI’s proposal directly provides Steve the conditional probabilities he needs such as the probability of a successful venture given a favorable survey
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Electronic Literature Pedagogy: A Questionable Approach by: Chris Mott WHY SHOULD I TEACH ELECTRONIC LITERATURE? The first reason to teach electronic literature is practical: digital media are the most rapidly growing forms of communication‚ and they will only grow in their influence and pervasiveness. Most of our students are fairly skillful with electronic technology‚ but as we all know‚ skill is not literacy. Literacy includes the ability not only to perform in a given medium‚ but to think
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Case 9 Horniman Horticulture 1. The financial performance of a company can be determined by analyzing different financial ratios. The Horniman’s company financial performance looks strong and healthy if one looks at their 2005-projected financial summary net profit of 60.8 thousand dollars. Also they have a steady growth and increase from 2002 to 2004 in their revenue‚ profits and assets. In addition‚ Exhibit 2 demonstrates that all but one financial ratio supersede the benchmark for other horticultural
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Danish Electronics Case Study The class should split into groups of FOUR or FIVE for this case study and each group should assign appropriate roles to its members. Having read the case study‚ each group should consider the questions on the last page of the case. THE BACKGROUND OF THE COMPANY Danish Electronics Ltd. is a company producing extremely advanced equipment. Its primary target group is institutions‚ especially for military equipment‚ both on the domestic and on the international
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Shanzhai case solutions sunny What are the environmental factors that help drive the Shanzhai phenomenon? * In china‚ peoples are fearless experimenter’s mindset. * Eye holes in regulations specified Shanzhai folks scope to grow. * protection law of IP is very poor. * Comparatively weak‚ inconsistent or non-transparent business policy. * Shanzhai performers are very flexible & efficient vendors. What characteristics are critical to the success of Shanzhai
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