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Uninterruptible DC power supply of flame-proof and intrinsic safety for mine
Author(s): 
Pages: 21-25
Year: Issue:  6
Journal: Electronic Measurement Technology

Keyword:  intrinsic safetyuninterruptible power supplyintelligent charging;
Abstract: 基于本质安全电源的原理和特点,提出了一种提供不间断供电的矿用本质安全型电源装置.采用本质安全型两级过流过压保护,可以防止电源电路异常引起的输出电压过高或因负载短路引起的过流等现象,避免引起火花、烧坏电源和负载等危害.此外,实现了阀控铅酸蓄电池充电和供电的智能控制,使本电源在供电网络停电后继续对外提供2h直流电压(12 V 500 mA).
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