300MW机组高加水位调节保护系统的改进  

Improvement of bigh topping water level adjustment protection system for 300 MW power generating set

作　　者：贾舒宇 李相建 范加强 

机构地区：[1]鹤岗发电有限责任公司,黑龙江鹤岗154109 [2]富拉尔基发电总厂,黑龙江齐齐哈尔161000

出　　处：《黑龙江电力》2003年第2期124-126,129,共4页Heilongjiang Electric Power

摘　　要：分析了鹤岗电厂300MW机组高加系统存在的水位调节不稳、高加误跳等问题的原因。通过对高加调节保护系统的改进,即采用更换水位调节仪表、调高高加保护定值和修改水位保护逻辑的方法,提高了高加运行的稳定性、经济性。The causes for such problems as instable water level adjustment and high topping mistripping off of the high topping vvater level adjustment system for 300 MW power generating set at Fulaerji power plant are analysed, and conseguendy the high topping vvater level adjustment protection system is improved by replacing the vvater level adjustment instruments, setting higher protection values and modify the vvater level protecdon logics to ensure the operational stability and economy.

关 键 词：300MW机组 高压加热器 水位调节保护系统 技术改进 汽轮机 

分 类 号：TK264.9[动力工程及工程热物理—动力机械及工程] TK263.72