![]() Guide to deterMining the values of electrical clearances, creepage distances and solid insulation requirements for equipment with rated voltages above 1000V to 2000V AC and above 1500V to 3000V DC 确定额定电压在交流1000V以上至2000V,直流1500V以上至3000V间设备的电气间隙、爬电距离的数值以及对固体绝缘要求的指南 |
![]() Explosive atmospheres—Explosion prevention and protection—Part 2:Basic concepts and methodology for Mining 爆炸性环境 爆炸预防和防护 第2部分:矿山爆炸预防和防护的基本原则和方法 |
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