| 矿用本质安全电源的基本要求和设计方法 |
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| 引用本文： | 朱前伟. 矿用本质安全电源的基本要求和设计方法[J]. 工矿自动化, 2012, 38(2): 22-25 |
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| 作者姓名： | 朱前伟 |
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| 作者单位： | 中煤科工集团常州自动化研究院,江苏常州 213015;天地(常州)自动化股份有限公司,江苏常州 213015 |
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| 基金项目： | 天地(常州)自动化股份有限公司研发项目 |
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| 摘 要： | 结合新版国家标准GB3836.4—2010和安标国家矿用产品安全标志中心的相关要求,分析了矿用本质安全电源的技术性能,即电气隔离方法和限能电路的保护方式;根据矿用本质安全电源的技术指标,介绍了矿用本质安全电源的主要放电形式和设计要点,指出在设计本质安全电源时,需考虑最大输出电压、最大输出电流、最大外部电容、最大外部电感四个本质安全输出参数之间的关系,为了达到最大输出功率,可以尽量选择较低的最大输出电压。该文对矿用本质安全电源的设计有一定的参考价值。
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| 关 键 词： | 本质安全电源 关联电气设备 电气隔离 限能保护电路 放电形式 本质安全参数 最大输出功率 最大输出电压 |
Basic Requirements and Design Method of Mine-used Intrinsic Safety Power Supply |
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| ZHU Qian-wei. Basic Requirements and Design Method of Mine-used Intrinsic Safety Power Supply[J]. Industry and Automation, 2012, 38(2): 22-25 |
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| Authors: | ZHU Qian-wei |
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| Affiliation: | ZHU Qian-wei1,2 (1.Changzhou Automation Research Institute of CCTEG.,Changzhou 213015,China.2.Tiandi(Changzhou) Automation Co.,Ltd.,Changzhou 213015,China) |
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| Abstract: | Combining with related requirements of new national standard GB3836.4-2010 and Mining Products Safety Approval and Certification Center,the paper analyzed technical performance of mine-used intrinsic safety power supply,namely electrical isolation method and protection mode of energy-limiting circuit,and introduced main discharge mode and design points of mine-used intrinsic safety power supply according to its technical indexes.It indicated that relations of four parameters of the maximum output voltage,the maximum output current,the maximum external capacitance and the maximum external inductance need to be considered when designing intrinsic safety power supply,and lower maximum output voltage should be selected for gaining the maximum output power.The paper has certain reference for design of mine-used intrinsic safety power supply. |
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| Keywords: | intrinsic safety power supply associated electrical device electrical isolation energy-limiting protection circuit discharge mode intrinsic safety parameter maximum output power maximum output voltage |
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