Electrical grid

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    across the world, resting in almost every town and city. It is the definition of our modern society. The electrical power grid is its name. The electrical power grid is the largest, most powerful and complex piece of machinery on the planet, but perhaps one of the easiest to use. These simple to use instructions remain as one of the primary reasons for the grids enormous success. The electrical power grid is a single, massive circuit that generates electricity by burning fossil fuels, such as coal, natural gas, uranium, and oil. The transportation of this enormous mass power happens through the arteries of the electrical grid. These arteries are generated at an assortment of different facilities and transported over extremely long separations to users located all around the world. This connectivity takes place every minute of every day, every week of every month and runs year round. When an artery is severed our world stops and we find ourselves completely helpless and frightened. This horrifying change becomes a life altering situation. Similar to the human body, there is a dependence on all parts of the electrical grid to work in harmony. In the United States alone there are “450,000 miles of high-voltage power lines and 160,000 miles of overhead transmission lines connecting electrical power plants to homes and businesses” (Brain and Roos). The electrical power grid was extremely costly to…

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    Traditionally, power grid architectures were standalone systems that consisted of proprietary protocols traversing legacy hardware and software systems (Li et al., 2012). Power grid automation systems using this type of architecture carried high operating costs that power companies found to be inefficient over time (Kuder et al., 2010). Due to this inefficiency, power companies began to integrate the operation of power grid automation systems into public networks. This integration served its…

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    Power Outage Case Study

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    employees are forced to wait for the system to reset. Further compounding the problem is these are issues that arise from simple short power outages that are just long enough to force things to turn off/reset but comes back on shortly after that. Such outages can in themselves to signs of other problems such as surges in the power which can be very dangerous for the hardware as a sudden surge may damage hardware if not protected against. Fortunately protecting a network’s hardware against surges…

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    through other means. These recruiters are on the lookout for both ongoing open positions, such as nurses, and also anticipated hard-to-fill positions, such as a pharmacist who will be retiring in six months. They identify candidates who would be beneficial to the hospital system and get them to put in an application to begin the hiring process. For high quality candidates, a recruiter may also follow the applicant through the process. Hinkel (2005) noted that internal recruiters and marketing…

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    What is nomophobia? Nomophobia is a word you don’t hear every day, but it applies to many people. Nomophobia, or “No-mobile-phone-phobia”, relates to all the feelings that come along with a phobia in regards to not having your smartphone (Holohan). Nomophobia is not recognized as an actual phobia, but people of all ages experience the symptoms. The many uses of smartphones and technology becoming a part of American culture have made nomophobia what it is; nomophobia will continue to grow as…

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    Smart Grid Technologies: Communication Technologies and Standards Smart Grid History As soon as electrical distribution grids came into being the need for metering arose. The initial devices were used for metering consumption, however modern smart grid technology uses two way metering and can switch appliances on or off according to demand and off peak tariffs. Over the last one hundred years many obstacles to smart grid technology have been overcome. The earliest attempt at smart grid was…

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    The Curious Incident of the Dog in the Night-Time is a play based on the novel written by Mark Haddon. It was adapted into a play by Simon Stephens and is currently being shown at the Gielgud Theatre in London. The first thing I noticed when entering the Gielgud Theatre was how big it was. The stage itself was very large, and was a proscenium arch, meaning that the audience faces the stage straight-on. The very unique thing about this stage was that the back wall was a giant cube-like math grid.…

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    Chuck Close Essay

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    known for making realistic portraits of human faces using a grid technique. Most of the portraits he has created are non-life size. His “Big Self Portrait” piece, unframed, is 107-½ × 83-½ × 2. He has been through many depressing and significant events in his life, yet he still says he is the happiest man in the world, which is hard to believe. Chuck Close was born on July 5, 1940 in Monroe,Washington. His father was Leslie Durward Close (died in 1952, when Chuck was 11) and his mother was…

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    important technological revolution in the twenty-first century. The clean free renewable energy sources and their applications are increasingly embraced all over the world. It is just a matter of time when the world will wake up to news about great achievements enabling using alternative sources without any main restrictions. This moment will be very soon, and this sparks my motivations to be an effective and contributing electrical power engineer in this paradigm shift. This rapid increase of…

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    When Edison’s system went into operation on September 4th 1882, it illuminated a set of 1000 light bulbs in front of The New York Times office, powered by the power station down the road. At this moment, Edison’s dream would quickly become a reality as large cities with power stations began adopting Edison’s DC electrical grid. However, it would take the work of Tesla and Westinghouse before the modern AC/DC current would be created. The alternating current could more easily be converted into…

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