Transformação da proteção contra raios de indústrias tradicionais antes da estação chuvosa

May 12, 2023

Meiyu refers to the continuous cloudy and rainy weather phenomenon that occurs from early June to mid-July in the Gregorian calendar every year. At this time, due to the long-term rainy and sometimes sunny and high-humidity weather, the utensils in the home are prone to mold, which is also called mildew rain among the people. In GB/T 21431-2015 "Technical Specifications for Testing Lightning Protection Devices of Buildings", the requirements for regular testing are as follows: The inspection interval of lightning protection buildings with explosion and fire hazard environments is 6 months, and the inspection interval of other buildings is 12 months. Therefore, before the rainy season comes every year, the high and low voltage electrical equipment in the factory area must be inspected and transformed for lightning protection. From April 20th to 23rd, 2023, the Anhui Jinli lightning protection technical service team came to Yichang City, Hubei Province to inspect the components in the high and low voltage cabinets of Xingfa Group Hubei Xingrui Silicon Material Co., Ltd. and Huaxin Cement (Zigui) Co., Ltd. Use for understanding and exploration.


After communication and investigation, it was found that during the construction of the high and low voltage power distribution room more than ten years ago, high and low voltage lightning protection products had been installed in accordance with the requirements of the then national standard GB50057-2000, and all of them were the ones in the product diagram of Anhui Jinli. Surge protector JLSP-100 and current transformer secondary side overvoltage protector JLC-6, some products are still working normally. Based on the reason of the product's service life, the original generation of current transformer secondary side overvoltage JLC-6 was replaced by the second generation product JLCII-6. The performance of the new product has been significantly improved, and it can effectively prevent the secondary open circuit of the current transformer or the primary winding. Accidents caused by abnormal current flow.


De acordo com GB50057-2010 "Código de projeto de construção", o estabilizador T2 no gabinete de entrada é atualizado para um estabilizador T1. De acordo com GB51348-2019 "Padrões de projeto elétrico para edifícios civis", a combinação de proteção contra raios de MCB + SPD é atualizada para SCB + S, o que resolve os problemas de operação incorreta de alto impacto atual e recusa de corrente de baixa frequência de energia, tornando o efeito de proteção contra raios melhor e permitindo que os clientes fiquem protegidos contra raios. Por fim, nos comunicamos com os clientes sobre o sistema inteligente de proteção contra raios de Anhui Jinli: tecnologia de monitoramento de alerta precoce contra raios, tecnologia de monitoramento inteligente SPD e tecnologia de monitoramento de resistência de aterramento, transformando a proteção passiva contra raios em defesa ativa,


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