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变压器油气及微水监测系统（光声光谱）

变压器的油中溶解气体成分在线监测技术可及早发现设备内部可能存在的缺陷或性能劣化，为变压器的运行、检修提供判断依据，提高供电可靠性。传统在线色谱分析方法操作复杂、手续繁琐、监测周期长，且后期维护成本较高，容易出现误报警或拒报警。

所属分类：

变压器综合检测产品

关键词：

变压器在线监测技术可靠光声光谱法发展趋势油路系统油气分离装置气体输送装置光声光谱监测装置系统主机软件后台

在线留言

变压器的油中溶解气体成分在线监测技术可及早发现设备内部可能存在的缺陷或性能劣化，为变压器的运行、检修提供判断依据，提高供电可靠性。传统在线色谱分析方法操作复杂、手续繁琐、监测周期长，且后期维护成本较高，容易出现误报警或拒报警。
光声光谱法作为第二代的油中溶解气体在线监测技术，其测量精度、效率更高，重复性与经济性好，C2H2的最低下限值超过了国家标准0.5uL/L。以光声光谱在线监测设备方法更先进，日常维护更简便，综合费用更低，代表了未来变压器油中溶解气体及微水在线监测的发展趋势。
变压器油气及微水监测系统由油路系统、油气分离装置、气体输送装置、光声光谱监测装置、系统主机以及软件后台组成，可对变压器油中溶解的多种气体进行高精度定量分析，并实时在线监控变压器等大型电力充油设备的运行状态；特有的软件专家库数据诊断分析功能，能及时判断监控设备状态、预测设备故障。

监测装置

软件后台

■ 主要功能
1）油中溶解气体定量分析：H2、CH4、C2H6、C2H4、C2H2、CO2、CO、H2O（O2、N2可选）高精度监测；
2）历史数据与趋势图：显示各个时间段气体组分的历史数据，并且可单独显示各种气体组分的趋势变化图；
3）故障分析：基于大卫三角形法和三比
值法，列举变压器可能的故障类型。

■ 主要技术指标
1）分析周期：最小50分钟，可由用户自行设定；
2）数据存储寿命：≧10年；
3）通信接口：提供两路网口(可配置成光口)，IEC61850/MODBUS/TCP（502）；
4）气体监测种类及精度：如右表所示。

序号	气体种类	最小检测值 (ppm)	检测范围 (ppm)	检测精度
1	H2	2	2~2000	±2或±30%
2	CH4	0.5	0.5~1000	±0.5或±30%
3	C2H6	0.5	0.5~1000	±0.5或±30%
4	C2H4	0.3	0.3~1000	±0.5或±30%
5	C2H2	0.2	0.2~1000	±0.5或±30%
6	CO2	25	25~15000	±25或±30%
7	CO	5	5~5000	±5或±30%
8	H2O	1	1~100	±1或±30%
9	O2-可选	100	100~50000	±100或±30%
10	N2-可选	1%	1%~100%	±30%

变压器动态负荷智能管理系统

变压器状态综合智能感知系统

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