Chapter (11) Synchronous Motors Introduction It may be recalled that a d.c. generator can be run as a d.c. motor. In like manner‚ an alternator may operate as a motor by connecting its armature winding to a 3-phase supply. It is then called a synchronous motor. As the name implies‚ a synchronous motor runs at synchronous speed (Ns = 120f/P) i.e.‚ in synchronism with the revolving field produced by the 3-phase supply. The speed of rotation is‚ therefore‚ tied to the frequency of the source. Since
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Dell‚ Inc. Case Study First: Problem Diagnosis: Over the years‚ Dell has devised very successful strategies to increase customer loyalty and reduce costs. However with the passage of time‚ the company has failed to have a proactive approach to capitalize the opportunities provided by the environment and sustained its competitive advantage. 1. Use of the direct selling approach: This approach has been the main competitive advantage of Dell over the years‚ which enabled the company to create strong
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Livent‚ Inc. is a company that is very involved in the entertainment business‚ mainly in live theatrical productions. When dealing with a company in the entertainment industry‚ there are many risks that can be involved in auditing situations. A big risk that can be common is working with the higher officers of the company who are not strongly educated in the financial field. They are only familiar with the entertainment part of it and do not pay attention to a lot of the finances. It is common for
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The Warnaco Group Inc. – Accounts Receivable Refer to Warnaco’s Form 10-Q for the quarter ended April 3‚ 1993. A. What is a Form 10-Q? How do the financial statements included in a Form 10-Q differ from the financial statements included in a Form 10-K filing? The Form 10-Q is a quarterly report designed to give a status of how a business is doing after three months of operation. The Form 10-Q and the Form 10-K differ in the report’s interval; the Form 10-K is an annual report. B
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Design of Induction Motors Introduction: Induction motors are the ac motors which are employed as the prime movers in most of the industries. Such motors are widely used in industrial applications from small workshops to large industries. These motors are employed in applications such as centrifugal pumps‚ conveyers‚ compressors crushers‚ and drilling machines etc. Constructional Details: Similar to DC machines an induction motor consists of a stationary member called stator and a rotating
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Dao Tran MGMT405 12:30-1:45 Dr Yan Case #3 Tata Motors 1. What inspired Tata Motors to build the Nano? Why was there a need for an inexpensive car in India? The idea of Nano–The People’s Car was inspired by the middle class Indians who bought and transported their entire families on scooters. To most middle class families in India owing a car is a far cry. Rattan Tata‚ Tata Motor’s Chairman said that the tiny car is aimed at keeping the families of India’s growing middle class from having to travel
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Economic conditions change‚ competitors launch new assaults and the product passes through new stages of buyer interest and requirements (Kotler‚ 2001‚ p. 484). Consequently a company must plan strategies that address any changes in the market. ebay Inc. is the world’s largest and most popular person-to-person trading community on the internet (Bradley‚ 2001‚ p. 1). From its inception eBay was unchallenged however with amazon.com’s (Amazon) entrance into the online person-to-person auction arena and
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Apple Inc. in 2010 1. What‚ historically‚ have been Apple’s competitive advantages? Apple has had various competitive advantages since its origin until the present. Firstly‚ Apple’s innovation has always been its hallmark. Beginning with the first “Apple I” till the “iPad 2”‚ Apple products have change the development of the market many times‚ specially during the last decade‚ with the first iPod’s lunch. Although Apple’s single technologies have not been walkthroughs created by the company
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Apple inc. 1) Introduction Background and summary This article present the story of Steve Jobs and it’s Apple company through two aspects. From the company history perspective and the product industry perspective. On company history side: Apple was founded by two Steves. Apple board later fired Jobs and gradually went near bankruptcy. Till 1997‚ Apple brought back Jobs and became the most valuable company in the world in 2012. On the product industry side‚ Article dig into the field
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Introductory Activity Heart Rate (pulse) Have the students find their heart pulse on the carotid artery of the neck. Use the index and middle finger to measure the pulse. Count the number of beats for 6 seconds and add a zero to the end of that number. This number represents the heart beats per minute. The heart pulse is located on either side of the wind pipe‚ next to the voice box. Allow the students to practice measuring their pulse to determine their resting heart rate. Explain that they need
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