描述
GE Hydran M2是一款专为变压器状态监测设计的在线溶解气体（DGA）和水分分析系统，通过实时监控变压器油中的关键气体成分和湿度水平，实现早期故障预警，降低意外停机风险。以下是其核心功能与技术特点的详细解析：
一、核心功能
实时气体与水分监测
-溶解气体分析（DGA）：连续监测氢气（H₂）、一氧化碳（CO）、乙炔（C₂H₂）、乙烯（C₂H₄）等故障气体，支持复合气体或仅氢气传感器选择，对氢气响应达100%。
-油中水分测量：以%RH和ppm为单位显示水分含量，辅助评估绝缘纸老化或密封垫泄漏风险。
多参数扩展能力
-可集成额外传感器（如油温、负载、环境温度等），结合DGA和水分数据，通过IEEE/IEC标准模型计算绕组热点温度、绝缘老化程度等关键指标。
智能报警与诊断
-支持两级报警（警报/紧急），可通过声音、光闪或电信号触发，自检功能可识别传感器故障或系统异常。
二、技术参数与性能
测量范围与精度
-气体浓度：25-2000 ppm（复合气体），氢气灵敏度100%，其他气体（如CO、C₂H₂）灵敏度分别为15%和8%。
-水分：0-100%RH，响应时间5分钟，精度±设备读数×10%±25 ppm。
通信与集成
-标准接口：RS485，支持Modbus、DNP3等协议。
-可选扩展：TCP/IP、IEC 61850协议，兼容SCADA/DCS系统。
环境适应性
-工作温度：-50°C至+90°C（油温），内置加热器维持内部15-65°C。
-防护等级：NEMA 4X（IP66），耐腐蚀外壳。
三、安装与维护
便捷安装
-永久安装于变压器油阀，无需额外管道或泵，减少停机时间。
-传感器寿命超过10年，支持现场升级。
低维护需求
-无移动部件，自诊断功能定期检测系统状态，支持远程数据记录与分析。
140NOM21100
140NOM21100
GE Hydran M2 is an online dissolved gas(DGA)and moisture analysis system designed for transformer condition monitoring.It monitors key gas components and humidity levels in transformer oil in real time to achieve early fault warning and reduce the risk of unexpected downtime.The following is a detailed analysis of its core functions and technical features:
I.Core functions
Real-time gas and moisture monitoring
-Dissolved gas analysis(DGA):Continuously monitor fault gases such as hydrogen(H₂),carbon monoxide(CO),acetylene(C₂H₂),ethylene(C₂H₄),support composite gas or hydrogen sensor selection,and respond to hydrogen up to 100%.
-Moisture measurement in oil:Displays moisture content in%RH and ppm to assist in assessing insulation paper aging or gasket leakage risks.
Multi-parameter expansion capability
-Additional sensors(such as oil temperature,load,ambient temperature,etc.)can be integrated,combined with DGA and moisture data,and key indicators such as winding hot spot temperature and insulation aging degree can be calculated through IEEE/IEC standard models.
Intelligent alarm and diagnosis
-Supports two-level alarm(alarm/emergency),which can be triggered by sound,light flash or electrical signal,and the self-test function can identify sensor failure or system abnormality.
2.Technical parameters and performance
Measurement range and accuracy
-Gas concentration:25-2000 ppm(complex gas),hydrogen sensitivity 100%,other gases(such as CO,C₂H₂)sensitivity 15%and 8%respectively.
-Moisture:0-100%RH,response time 5 minutes,accuracy±device reading×10%±25 ppm.
Communication and integration
-Standard interface:RS485,support Modbus,DNP3 and other protocols.
-Optional expansion:TCP/IP,IEC 61850 protocol,compatible with SCADA/DCS system.
Environmental adaptability
-Working temperature:-50°C to+90°C(oil temperature),built-in heater maintains internal 15-65°C.
-Protection level:NEMA 4X(IP66),corrosion-resistant housing.
3.Installation and maintenance
Easy installation
-Permanently installed on the transformer oil valve,no additional pipes or pumps are required,reducing downtime.
-Sensor life exceeds 10 years and supports field upgrades.
Low maintenance requirements
-No moving parts,self-diagnosis function regularly detects system status,supports remote data recording and analysis.
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