This product is a long-life switch developed by our company through the introduction and absorption of excellent similar circuit breakers from domestic and foreign sources, possessing a leading domestic level. It is suitable for three-phase power systems with AC 50/60Hz, used for making and breaking load current, overload current, and short-circuit current. It can also serve as a tie circuit breaker and for switching capacitor banks, especially suitable for frequent operation scenarios.
This product is widely used for node connections in 35kV, 25kV, and 10kV cable systems. It is the main electrical equipment for collecting and distributing cables after they exit the switchgear. The cable joints in the junction box use high-grade imported rubber tight-wrapped insulation with no exposed live parts. The switches in the switch junction box are all SF6 insulated load switches.
This product integrates high-voltage load switches and high-voltage fuses into transformer oil, featuring two structural configurations: common tank or separate tank for the transformer core. The oil tank adopts a fully sealed structure and is equipped with components such as oil temperature gauges, oil level gauges, pressure gauges, pressure relief valves, and drain valves to monitor the operational status of the transformer. This product is available in ring main, terminal, and dual-power supply configurations. To better suit the actual requirements of China's power grid, rockwill has introduced pluggable fuses, where fuse failure does not affect transformer performance. Depending on the complexity of low-voltage feeder requirements, the rockwill ZGS series is divided into standard, reinforced, and comprehensive types.
Wind power substations are specialized electrical equipment designed to step up the voltage (0.6–0.69 kV) generated by wind turbines to 35 kV or 10 kV for grid connection. These substations are custom-designed by our company to meet the specific requirements of the domestic wind power market, making them ideal for wind power plants. They are an ideal product for wind power systems, combining reliability, safety, applicability, and cost-effectiveness.
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E-mail: yuwenwen@ld-cn.com
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