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Comparison of the temperature-rise test of low voltage circuit breaker at different operating settings
 Kusák, David ; Ing. Kamil Mikyska (OEZ s.r.o.) (referee) ; Dostál, Lukáš (advisor)
The bachelor thesis deals with the evaluation and comparison of the measured values of terminal temperatures of two molded case circuit breakers of the 3VA1 series in different operating settings. temperature rise test is carried out when the device is loaded with rated current and is used to verify whether some parts of the device do not exceed the permissible warm-up value according to the relevant standard. The theoretical part of the thesis focuses on the design, principle of operation and operating states of modular and molded case circuit breakers. Furthermore, a general description of the test conditions of the temperature rise test is presented. In the practical part of this work, 45 temperature rise testand calculation of the power loss of circuit breakers were carried out. breaker series 3VA12
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