Research Paper | Production Engineering | India | Volume 3 Issue 12, December 2014
Fixture for Free Return of Charging Device (FRCD)
Viraj P. Lele
The main aim of all kinds of circuit breaker is to prevent the reestablishment of arcing after current zero by creating a situation where in the contact gap will withstand the system recovery voltage. The air circuit breaker does the same but in different manner. For interrupting arc it creates an arc voltage in excess of the supply voltage. Arc voltage is defined as the minimum voltage required maintaining the arc. This circuit breaker increases the arc voltage by mainly three different ways: 1. It may increase the arc voltage by cooling the arc plasma. As the temperature of arc plasma is decreased, the mobility of the particle in arc plasma is reduced hence more voltage gradient is required to maintain the arc.2. It may increase the arc voltage by lengthening the arc path. As the length of arc path is increased, the resistance of the path is increased, and hence to maintain the same arc current more voltage is required to be applied across the arc path. That means arc voltage is increased.3. Splitting up the arc into a number of series arcs also increases the arc voltage.
Keywords: Circuit breaker, Free return of charging device, Crank assembly, Riveting, Fixture
Edition: Volume 3 Issue 12, December 2014
Pages: 2255 - 2259
How to Cite this Article?
Viraj P. Lele, "Fixture for Free Return of Charging Device (FRCD)", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB14954, Volume 3 Issue 12, December 2014, 2255 - 2259
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