GE Hydran M2 is a powerful online transformer monitoring device.Here is a detailed introduction to it:

I.Product Overview

Hydran M2 is a compact,permanently installed online transformer monitoring device produced by GE.It monitors transformers and other oil-immersed equipment for early faults through online fault gas and moisture sensors,providing critical monitoring information to detect potential problems early before serious transformer failures occur,thereby minimizing the risk of unexpected power outages.

II.Main functions

Continuous monitoring:Hydran M2 is able to continuously monitor fault gases(such as hydrogen,carbon monoxide,acetylene,ethylene,etc.)and moisture content dissolved in oil,which are important indicators of internal transformer faults.

Multiple sensor options:Users can choose traditional”composite gas”sensors or more basic”hydrogen only”sensors to meet different monitoring needs.In addition,additional sensors(such as top and bottom tank oil temperature,transformer load or ambient temperature)can be integrated to capture more information.

Intelligent alarm:Hydran M2 has local and remote alarm functions,and will sound an alarm when abnormal levels of fault gas or moisture are detected.Users can set two alarm levels(one for”alert”and the other for”warning”)to show increasing severity.

Data Analysis and Model Calculation:Hydran M2 provides a mathematical model of the transformer based on IEEE standards,using input data from sensors and turning it into useful real-time information to further understand the overall health of the transformer.Possible model outputs include estimated winding hot spot temperature,humidity in paper,moisture bubbling temperature,insulation aging,overload capacity,cooling efficiency and OLTC temperature difference.

Communication and Integration:Hydran M2 supports multiple communication methods and protocols,simplifying integration with SCADA or DCS systems.It is also compatible with other APM software tools such as GE’s Perception™Transformer Fleet Management software,facilitating planning of field interventions and maintenance activities.

III.Product Features

Easy to install:Hydran M2 is easy to permanently install on a single transformer oil valve without the need for additional piping or pumps.It has no moving parts and does not require field calibration.

High Reliability:Hydran M2 adopts a third-generation mature design with a very large global installation volume,proving its high reliability and performance.It also features full system self-test and self-diagnosis,which can automatically detect faults and trigger service alerts.

Low maintenance costs:Since Hydran M2 has no moving parts and additional pipes,maintenance costs are low.In addition,its sensor life is expected to exceed 10 years,further reducing maintenance costs.

IV.Application areas

Hydran M2 is widely used in integrated solutions for important medium-sized transformers in power facilities and industrial plants.It can help reduce the risk of process interruptions due to power outages and minimize costly downtime.

 

 

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