CURRENT PROTECTION FUNCTIONS ANSI 50/51 – Phase over-current ANSI 50N/51N or 50G/51G – Earth fault or sensitive earth fault ANSI 50BF – Breaker failure ANSI 46 -Negative sequence / unbalance ANSI 49RMS – Thermal overload CURRENT PROTECTION FUNCTIONS ANSI 50/51 – PHASE OVERCURRENT Three-phase protection against overloads and phase-to-phase short-circuits. ANSI 50N/51N OR 50G/51G – EARTH FAULT Earth fault protection based on measured or calculated residual current values: ANSI 50N/51N:
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Case Study 12.31 and 12.32 This paper addresses the solutions to Case Study 12.31 and 12.32 in the textbook authored by David Marshall‚ Wayne McManus‚ and Daniel Viele “Accounting; What the numbers mean.” Both case studies bring about a better understanding of operating and financial leverage. This discussion includes the return on investment‚ return on equity‚ contribution margin‚ and break-even point. All these terms associate with the two types of leverage. The exertion of a force that
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Kilometer Array The Square Kilometer Array (SKA) Radio astronomy‚ the properties and potential discoveries Unit: ASP1010 Abstract The Square Kilometer Array (SKA)‚ a project currently in progress‚ will be the largest radio telescope when it is complete. Being the most expensive radio astronomy project in history‚ the SKA is a joint mission with contributions from twenty countries‚ and will be constructed across venues in Western Australia and South Africa. The array will be far
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4.3 4.3 Conversion Between Number Bases 169 Conversion Between Number Bases Although the numeration systems discussed in the opening section were all base ten‚ other bases have occurred historically. For example‚ the ancient Babylonians used 60 as their base. The Mayan Indians of Central America and Mexico used 20. In this section we consider bases other than ten‚ but we use the familiar HinduArabic symbols. We will consistently indicate bases other than ten with a spelled-out subscript
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operate a business‚ you may be required to obtain a Federal Employer Identification Number (EIN) and should consider doing so even if not required. Commonly referred to as a federal tax ID number‚ an EIN is like a social security number for your business. Just as your social security number is used to identify you as a unique individual by government‚ financial and other institutions‚ an employer identification number is used to identify a business as a unique entity by government‚ financial‚ tax and
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Lab Design “Investigate the effect of a factor on the number of stomata of a leaf.” Research Question: How do differing leaf heights affect the number/density of stomata of a leaf? Hypothesis Stomata are pores‚ typically found under the leaf (lower epidermis)‚ that control the gas exchange of transpiration‚ where water vapor leaves the plants‚ and carbon dioxide enters. I predict that the stomatal density on high leafs is higher than on low leafs. During photosynthesis the chloroplasts
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Pythagoras: A Universe made of Numbers PART 1 Pythagoras & His Philosophy Pythagoras of Samos is often described as the first pure mathematician. He is an extremely important figure in the development of mathematics yet there is relatively little known about his mathematical achievements. Unlike many later Greek mathematicians‚ where at least we have some of the books which they wrote‚ there is nothing of Pythagoras’s writings. The society which he led‚ half religious and half scientific
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Simple Array Process Melissa Bean IT/210 June 15‚ 2012 Dr. Bruce Huang Checkpoint: Simple Array Process Input a list of employee names and salaries‚ and determine the mean (average) salary as well as the number of salaries above and below the mean. Input a list of employee names and salaries‚ and determine the mean (average) salary as well as the number of salaries above and below the mean. Analysis Process: 1. Prompt user to enter positive numbers between 1-100 into array 2
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Title: I Am Number Four Author: Pittacus Lore Pages: EBook (Approx 276) Summary : There were nine. Three are dead. I Am Number Four. Nine teenagers and their guardians are hiding on Earth … protected by a charm that means they can only be killed in numeric order‚ three are already dead. John Smith is Number Four. And his mortal enemies‚ the Mogadorian‚ are hunting him down The only way to keep off radar is to keep moving‚ never staying in one place for long. Finally in the firing
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instructed by Madam Hajah Marhaini binti Mohd Hassan‚ the lecturer of BEL422 Report Writing subject to prepare a report of the decreasing number of tourists that visit Jeram Linang. The purpose of this report is to give an overview about problems that are prevents Jeram Linang to be famous. This report will arise some factor that contributed the decreasing number of tourists that visits Jeram Linang. The report is to be submitted on the 6th of June 2013‚ together with recommendations on these matters
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