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tbbq12 series

medium-voltage dual-power transfer switch
tbbq12 series medium voltage double power transfer switch is tyt's medium-voltage dual-power transfer switch with leading technology, rated voltage 12kv, rated current covering 630~2000a, breaking current up to 31.5ka, with tbbq12 component type and kyn28-12-q12 assembled type, with optional pull-out bypass function, etc., which is widely used in key industries such as data communication, energy industry, medical and high-rise buildings to ensure reliable and stable operation of medium-voltage power.

dual interlocks for safe and reliable


● internal mechanical hard interlock transmission, preventing simultaneous closing of the main and backup power supply by misoperation
● auxiliary switch and permanent magnet mechanism control loop with electrical interlocking and dual safety to ensure reliable


fast conversion, and continuous assurance


● permanent magnet drive mechanism, with conversion time less than 200ms and high continuity of power supply
● short-time power-on action, with no need to wait for energy storage, greatly improving service life


mechanical closing, and emergency switching


● manual in-place conversion of external linkage for emergency standby control and service operation
● to meet the safety specifications of the grid company in situ reversal, regardless of faults in secondary lines, internal capacitance, etc.


  • 轨道交通地铁低压配电系统为除牵引负荷外的所有运营所需的机电设备提供低压电源,高度重视低压配电系统供电的可靠性、有效性。

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  • 数据中心是一个聚集了大量服务器、存储设备、网络设备及配套ups、精密空调等设备的it设备场所。

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  • 中大型楼宇的供电电压一般采用10kv,有时也可采用35kv。为了保证供电可靠性,应至少有两个独立电源。

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  • 医院的消费系统,不仅需符合民用建筑规范要求、建筑防火规范要求,也需符合医院对消防供电可靠性、连续性要求。

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  • 工业行业由于其设备负荷的特殊性,生产的连续性,要求供电可靠不能间断。

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  • 风电行业由于其所处环境以及负荷类别的特殊性,要求具有极高可靠性和供电连续性。

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  • 为了系统安全,电网运营商通常要求光伏发电系统通过隔离升压变压器接入低压/中压配 电网实现并网运行。

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  • 充电桩可以固定在地面或墙壁,可以根据不同的电压等级为各种型号的电动汽车充电。

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