推荐回答(3个)
(1)电气设备的金属外壳要采取保护接地或接零。
(2)安装带漏电保护功能的自动断电装置。
(3)尽可能采用安全电压。
(4)保证电气设备具有良好的绝缘性能。
(5)采用电气安全用具。
(6)设立屏护装置。
(7)保证人或物与带电体的安全距离。
(8)定期检查用电设备。
电气设备上工作保证安全的技术措施安规中有明确规定:
在全部停电或部分停电的电气设备上工作,必须完成下列措施:
一、停电;
二、验电;
三、装设接地线;
四、悬挂标示牌和装设遮拦。
上述措施由值班员执行。对于无经常值班人员的电气设备,由断开电源人执行,并应有监护人在场【两线一地制系统验电,装设接地线措施,由局(厂)自行规定】。
在电气设备上工作保证安全的技术措施和组织措施
1、目的
规范在电气设备上工作的安全措施,确保人身和设备的安全工作。
2、范围
适用于强电人员日常工作。
3、职责
3.1维修部经理负责监督和检查安全工作。
3.2主管、电工负责在工作中遵守技术措施和组织措施。
4、程序及要求
4.1在全部停电或部分停电的电气设备上工作时,必须完成下列保证安全的技术措施:
4.1.1断电。在工作场所必须断开电源的设备:包括需检修设备的带电部分的电源、工作范围安全距离小于0.7m(10kv)的带电部分及工作人员后面或两侧无遮栏或其他可行安全措施的带电部分。在断开电源时,必须使检修设备至少有一个明显的断开点,高压柜的手动机构处于断开位置时,都应用锁锁住。
4.1.2验电。检验电气设备上有无电压时,必须使用合格的验电器,验电前应在带电母线上检测一下验电器,确认验电器确实是合格产品。验电时应在电气设备的两侧的各相分别进行。
4.1.3装设接地线。将检修设备的三项短路并接,可以放掉检修设备的剩余电荷,这也是防止突然来电,保护工作人员安全的唯一可行安全措施。装、拆接地线必须由两人进行,若仅有单人值班,则只允许用接地开关接地。
4.1.4悬挂指示牌和装设遮栏。在工作点四周应安设标示牌和遮栏,有关的操作开关手柄上应悬挂“禁止合闸”标示牌。
4.2工作许可
4.2.1工作许可人(值班员)应负责审查工作票所列安全措施是否正确完备,是否符合现场条件,并应完成施工现场的安全措施。
4.2.2在配电室内工作,工作许可人应同工作负责人检查停电范围内已实施的安全措施。
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