范文编号:ZD350 范文字数:29472,页数:48,有开题报告,任务书,文献综述,CAD图 摘 要:近年来真空断路器在中压领域己经占据了主导地位。我国是真空断路器大国,在中压领域真空断路器的使用高达80%,其中又以7.2KV真空断路器发展最为成熟。目前它已基本实现国产化并且在有些方面在国际上以处与先进水平。7.2KV真空断路器发展对我国的电网发展极其重要,在中压断路器领域中有无可替代的地位。 ABSTRACT: Recently, vacuum circuit breaker has occupied the leading status in the middle-voltage. China has numerous vacuum breaker and the use of it accounts for 80%, especially 7.2KV vacuum circuit breaker has developed the best. At present,7.2KV vacuum circuit breaker in the main has achieved products of nationalization. Even in some aspects it has reached the international advanced standard. 7.2KV vacuum circuit breaker plays a vital role in the development of electrical net, which can not be substituted in the middle circuit breaker field.
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