论文部分内容阅读
湖北省红水河水库一级电站属农村小型水电站,装机2×125千瓦。1986年12月份在一次甩负荷过程中定子线圈绝缘击穿,造成主副绕组严重烧毁。经检查,定子绝缘普遍老化,仅作局部修理已无法消除缺陷,需更换全部定子绕组。为了节省时间和资金,电站决定自己修复。用了半个月的时间一次修复成功,电气试验合格。半年多的并网运行中,有无功调节均达检修前标准,总投资不到一千元,节约了大量资金和时间。现将
Hongshuihe Reservoir in Hubei Province, a power station is a rural small hydropower station, installed 2 × 125 kilowatts. In December 1986 in a load rejection process stator coil insulation breakdown, resulting in serious damage to the main and auxiliary windings. After inspection, the stator insulation is generally aging, only for partial repair has been unable to eliminate defects, the need to replace all the stator windings. In order to save time and money, the power station decided to repair itself. It took half a month to repair successfully, and the electrical test passed. More than six months of grid-connected operation, there are no power conditioning reached the standard before maintenance, a total investment of less than a thousand dollars, saving a lot of money and time. Now