FANG Bin, SHEN Xiao-qiang, QIU Yu. Design of a Soft-start Circuit for Mine-used Intrinsic Safety Device[J]. Journal of Mine Automation, 2011, 37(6): 84-86.
Citation: FANG Bin, SHEN Xiao-qiang, QIU Yu. Design of a Soft-start Circuit for Mine-used Intrinsic Safety Device[J]. Journal of Mine Automation, 2011, 37(6): 84-86.

Design of a Soft-start Circuit for Mine-used Intrinsic Safety Device

  • For problems that instantaneous large current in start of mine-used devices could lead to power supply cutting-off and abnormal start of the devices, the paper introduced design of a kind of soft-start circuit for mine-used intrinsic safety devices which is composed of simple components. It gave principle of the circuit and analyzed performances of soft-start, current limit, delay and under-voltage cutting-off of the circuit. The test result proved validity and reliability of the circuit.
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