概述：ZN85-40.5型户内高压真空断路器是输配电设备中的主要开关设备，适用于三相交流频率50Hz额定电压40.5kV系统。在输电系统中起控制和保护作用，特别适用于电弧炉变压器，电容器组等频繁操作场所。
该真空断路器采用一体化和模块化设计，整体结构简单合理，采用上下布置，灭弧室部分在上面，连锁和操动部分在下面。使用专用的弹簧操动机构，无需调整，动作稳定可靠。三相导电回路的真空灭弧室布置在封闭的绝缘筒内。其绝缘筒采用机电性能可靠的环氧树脂材料并用成熟的真空浇注工艺而成。这样不仅使相间绝缘性能显著提高，而且使每相回路不受外界恶劣环境的影响，可以防止灰尘和异物进入主回路部分。
Shandong Huineng Electric Co., Ltd, located in the "ancient capital of Qi"-Zibo City , is a innovative growth enterprise which has leading products of high-low pressure electric complete set of equipments and integrated scientific research and development , production and operation and technical service. Built in Aug, 2003, up to now,the company has completed 75 million yuan of registered capital, and over one hundred million yuan of fixed assets; it has more than 280 employees, among which above 80% employees with education background of technical secondary school above. Over the years, based on the concept to pursue excellence and the spirit of open innovation, it devotes itself to providing high-quality product and service to SGCC and broad users' projects and increasingly develops into the well-known enterprise in manufacturing industry of electric equipments in complete set in China.
Since the establishment of company, it has continuously established power transmission and distribution engineering and technological research center of Zibo City through close cooperation with Xi'an High-voltage Electrical Appliance Institute, Shandong University of Technology, Schneider (China) Electric Company and many scientific research institution, universities and colleges and multinational corporations, promoted the technology level and internal quality of products, and gradually realized the product structure pattern of "No one I have and I have excellent" covering extensive fields, which greatly enhances the core competence of enterprise.
The company always persists in taking quality control as center, positively integrates with the international advanced quality control modes, takes the development road of quality and benefit, establishes a whole set of perfect quality control system, successively gets ISO9001：2008 quality authentication certificate and "3C" certificate for low voltage product, as well as the first to pass electric energy product authentication in the same industry in China.
The company has excellent processing equipments, advanced production process and complete detection facilities. Since 2004, it has successively invested heavily to introduce numerical control press, numerical control plate shears, numerical control bending machine, full-automatic numerical control busbar processing machine and other CNC machining equipments with world leading level, built up 800m2of three-dimensional material warehouse, and two production lines for VS1 and ZN85 breaker. It firstly sets up the product partial discharge test room in the same industry in China, which promotes the equipping level of enterprise and increasingly enhances the vitality of sustainable development of enterprise.
For years, with product marketing of company being continuously strengthened and expanded, it successively provides the first digital substation--Tianjin Chenfu 220KV substation, Tianjin Lutai 500KV switching station project, power company limited of northern Hevei province, Jiangsu electric power company, China Petroleum Pipeline Bureau, Shengli power station and other major projects and users in China with high-quality products and service and wins universal praise.
The fittest Survives in market competition. At present, facing to the new opportunities and new challenges brought by state smart grid, we will continuously focus on clients, strive to explore the best management mode suitable to features of our company, reinforce standardization operation and sincerely cooperate with vast customers depending on reliable quality, the price with competitive power and perfect after-sales service to make positive contribution to the development of electric power of China.
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