High-Impedance and Low-Impedance Restricted Earth-Fault Transformer Protection Casper Labuschagne‚ Schweitzer Engineering Laboratories‚ Inc. Izak van der Merwe‚ Eskom Enterprises Abstract—Restricted earth-fault (REF) protection on a transformer is a subject for which there has been little attention and‚ compared to other types of protection‚ very little literature exists. Depending on the method of transformer earthing and fault location‚ some transformer earth faults result in only a small increase in phase
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confident. That we can have a positive outlook lead we look up fresh and active. Moreover‚ dancing can create a social life in our life by join the dancing class. Through participating in dancing classes can encourage and recognize a lot of friends who come from different places and backgrounds. This can help us to expand our communications networks and learn how to communication with each other. These are easily for us to sharing our personal problem to friends and try to get the problem solution
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The Fault in our Stars by John Green is an outstanding novel and one of Green’s best works. It tells a modern story about a girl named Hazel trying to live like a normal teenager. However this is not the easiest thing in the world for her because wherever she goes‚ she must carry an oxygen tank with her as a result of her having cancer. However at a teen cancer support group‚ she meets Augustus Waters‚ a very different yet similar person to her. This novel tells a sweet‚ painful love story about
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The question of whether childhood obesity is a problem or not will always stir up controversal opinions. The differing sides of the topic want to take action on the matter. Most of the people who are caused for the problem of rising childhood obesity is the fast food companies themselves. The government has countlessly tried to eliminate junk food from the schools‚ but does that really solve the problem? Junk food should not be banned in schools because children should have free choice of what to
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Cystic Fibrosis is caused by a fault in the cystic fibrosis transmembrane conductance regulator (CFTR) gene on chromosome 7 at q31.2. For CF to be expressed‚ a faulty copy of the gene must be present at both alleles; autosomal recessive. Therefore both parents must be carriers of‚ or affected by the cystic fibrosis gene (fig. 1) for the gene to be passed on. If a person has one copy of the faulty allele (are heterozygous) they are carriers of the gene and can pass this allele on; if they possess
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Count: 887 The Fault in Civilization Civilization is a crucial aspect of the way society functions today. It is the system that sustains an orderly environment in which its citizens can prosper. In the Lord of the Flies‚ Golding suggests that civilization is not as stable as it seems. Through character actions and symbols‚ he comments on the degrading state of civilization when it is put under unfamiliar conditions. Ideally‚ for every civilization‚ there exists a leader who contributes to society
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Golden Gate bridge‚ and Alcatraz. However‚ one of the biggest states in the country is in danger of mass destruction from a huge crack in the ground called the San Andreas Fault. What is the science behind this fault? why should people fear it? and what could be the result of another devastating earthquake? The San Andreas Fault is a place where two massive tectonic plates‚ specifically the North American and Pacific plates. The small split in the ground extends more than 800 miles and is roughly
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Endangered Species; The Cause Needs to Find a Solution There are a plethora of endangered species on the planet today‚ but whose fault is it they’re almost extinct? Are humans to blame‚ or would the natural process of life have destroyed them regardless of our presence on Earth? The fact that we are here‚ and dominate‚ tells me that regardless of if we are the cause‚ we should be the solution. There are over 900 extinct species‚ and 16‚900 endangered (3). We have the capability of slowing‚ or
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Who’s at fault‚ we ask. Why Frair Lawrence of course. There could be no one else. He’s the one who‚ married them‚ against their family’s permission. He’s the one who‚ didn’t tell Romeo about the sleeping serum. He’s the one who‚ should have stopped her from the idea of‚ let me fake my death. He’s the one. Your use of commas is incorrect here‚ read this aloud pausing where you placed commas as see if it sounds right to you. One immense reason‚ Frair Lawrence should also be at fault‚ for marrying
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The New Madrid Fault Zone History The largest earthquake sequence the United States has ever experienced happened east of the Rocky Mountains starting out in Northeast Arkansas on December 16‚ 1811. On the Richter scale‚ it was ~7.7 and five hours later AK experienced an aftershock of a magnitude of ~7.0. A little over a month later on January 23‚ 1812 New Madrid‚ MO experienced an earthquake with a magnitude of ~7.5‚ and again on February 7‚ 1812 reaching a magnitude of ~7.7. By March 15
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