ABB Unitrol 500 发电机励磁系统应用中的故障分析ABB Unitrol 500 发电机励磁系统应用中的故障分析 摘要:本文以 ABB 公司 Unitrol5000 静止励磁系统为例,介绍了大型同步发电机应用广泛的自并励静止励磁系统方式基本原理
详细叙述了 Unitrol5000 系统中的 Crowbar 回路(用于转子过电压保护)功能及工作原理
结合 ABB Unitrol 5000 静态励磁系统在首钢京唐公司自备电厂(2×300MW)机组运行中 Crowbar 回路出现的典型故障分析及解决,对同类型励磁系统调试运行提出建议
关键词:静止励磁,ABB Unitrol 5000,Crowbar 回路,转子过电压 Abstract Take the ABB company’s Unitrol 5000 static excitation system as an example, basic principle of static self-shunt excitation system is introduced, which has awide applicationin large synchronous generator set
A Crowbar circuit of the Unitrol 5000 exitation system ( used for the field overvoltage protection )IS Detailed descripted
A typical fault in crowbar circuit ofABB Unitrol 5000 static excitation system of Shougang Jingtang company power plant (2 × 300MW ) generat