12 Power System Stability 12.1 INTRODUCTION The stability of an interconnected power system is its ability to return to normal or stable operation after having been subjected to some form of disturbance. Conversely‚ instability means a condition denoting loss of synchronism or falling out of step. Stability considerations have been recognized as an essential part of power system planning for a long time. With interconnected systems continually growing in size and extending over vast geographical
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I do not agree that a power differential places blame on the victim. That discrepancy makes the perpetrator much more culpable. In incidents between children there must be an age difference of at least three years for the actions to be considered abuse. Two years and 364 days between the two is considered inappropriate and not abusive. A power differential between the victim and the perpetrator is always an issue. The differential is not always age or size. I cannot think of an abusive situation
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specific parameter values are very difficult to solve by hand on paper but matlab performs these tasks very easily through symbolic processing symbolic processing is used for solving algebraic and transcendental equations‚ for solving ordinary differential equations and for symbolic calculus including integration‚ differentiation‚ limits and series. Symbolic expressions and algebra: The “sym” function can be used to create a “symbolic objects” in MATLAB. If the input argument to sym is a string
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Just because an individual is in a poor or crime stricken community does not necessarily mean that the individual will become deviant. The individual is influenced to become deviant by who they are associated with. Sutherland’s differential association theory explains deviant behavior as something that is “learned through associations” (Britz & Grennan‚ 2006‚ p. 20). There has to be more associations with people who are deviant than that of people who are nondeviant in order for one to become deviant
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RPM PMDC Motor/Generator rated current : 5A. MOSFET : IRF640. Freewheeling diode : IRF640 body diode. R sense : 0.6Ω Current sensing : Opamp LM324 based instrumentation amplifier. Voltage sensing : Opamp LM324 based Differential amplifier. Gate driver : Complementary transistor with optocoupler isolation. Controller : ATMEGA 328P PMDC motor equivalent circuit ia La Ra Va J Tem Permanent magnet eb w b TL Fig(2). PMDC motor equivalent
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enterprise to reach out and obtain resources from outside of the firm to pursue the firm’s vision and create the value THE THEORY OF COMPARATIVE ADVANTAGE Each country specializing in products for which it possessed absolute advantage and produce more for less and exchange products for the items they needed Governments interfere with comparative advantage for a variety of economic and political reasons‚ such as to achieve full employment‚ economic development‚ national self-sufficiency in defense
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be called; how will you find your location if there are no signs? Before‚ you would have attempted to guess your approximate distance down the road‚ whereas now‚ an exact co-ordinate is immediately given on this little device. The most obvious advantage of the SatNav‚ is being able to find your way again after becoming lost. Disaster struck when my Mum decided she would be able to find the location of my netball match without the help of our trusty TomTom. Time ticked by as we ended up at multiple
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eclectic paradigm as a framework for determining the extent and pattern of the value-chain operations that companies own abroad. Dunning draws from various theoretical perspectives‚ including the comparative advantage and the factor proportions‚ monopolistic advantage‚ and internalization advantage theories. Let’s use a real firm to illustrate the eclectic paradigm. The Aluminum Corporation of America (Alcoa) has over 130‚000 employees in roughly 43 countries. The company’s integrated operations include
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Differential association theory argues that we learn deviant behavior in precisely the same manner we learn about conventional behaviors: from our primary contact groups such as our peers‚ family‚ and coworkers. This theory states that we become more deviant; which is nonconformity to a given set of norms in a community or society‚ when exposed to higher levels of deviant persons and influences. I believe this theory best explains underage drinking on college campuses. This is because individuals
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1. The cost of a computer system installed last year is an example of: (Points: 2) a sunk cost a relevant cost a differential cost an avoidable cost 2. In evaluating different alternatives‚ it is useful to concentrate on: (Points: 2) variable costs fixed costs total costs relevant costs 3. Relevant costs in a make-or-buy decision of a part include: (Points: 2) setup overhead costs for the manufacture of the
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