GE H201Ti Single Gas Detector Transformer

GE H201Ti Single Gas Detector Transformer - Image 2

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GE H201Ti Single Gas Detector Transformer

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Zhangzhou Fengyun Electrical Equipment Co.LTD

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Description

GE H201Ti Single Gas Detector Transformer

In the dynamic and critical landscape of industrial monitoring and power system maintenance, the GE H201Ti emerges as a highly sophisticated and reliable device. Engineered with precision, it serves as a pivotal tool for ensuring the seamless operation and safety of various industrial setups, especially in the context of transformer health monitoring.

1. Core Function and Purpose

The GE H201Ti, also known as the Hydran H201Ti, is a compact yet powerful online early – warning transmitter. Its primary and most crucial function is to conduct continuous monitoring of dissolved gas analysis (DGA) in transformers. By constantly keeping tabs on the gases dissolved in the transformer oil, it acts as an early – warning system, detecting potential faults at an incipient stage. This is of utmost importance as transformers are expensive and critical components in power grids. Understanding their health status is fundamental for establishing a reliable power supply infrastructure. When a transformer’s insulation system is under excessive stress, gases are generated and dissolved in the oil. The H201Ti’s DGA monitoring capabilities allow it to identify these gas – related anomalies, which are recognized as the best indicators of fault development.

2. Technical Specifications

Label	Specification
Model	H201Ti
Brand	GE
Type	Online early – warning transmitter for DGA monitoring
Power Supply	110 – 240V AC
Communication	Modbus RTU, RS485
Measurement Range	0 – 1000A
Accuracy	± 0.5%
Sensor Options	– “Hydran composite gas” sensor: 100% responsive to hydrogen, also sensitive to carbon monoxide, acetylene, and ethylene. – “Hydrogen – only” sensor: Only focuses on hydrogen generation
Output	– Digital output via Modbus RTU over isolated RS – 485. – Analogue output options: 0 – 1mA non – isolated (standard), 4 – 20mA isolated (optional)
Dimensions and Weight	Compact design for easy installation. Weight is approximately 5.6 kilograms (12 pounds)
Environmental Compatibility	Operating temperature range suitable for industrial environments. Can withstand certain levels of vibration and temperature fluctuations
Alarm Features	– Two configurable alarm levels (e.g., “Alert” and “Alarm”) based on gas ppm levels or gas rate – of – change (ROC) over an hour or a day. – Automatic self – test every 15 days, triggering a service alarm in case of detected faults such as power loss, oil valve closure, or sensor/battery replacement needs
Interface	– Backlit LCD for local gas information display. – Keyboard for device operation like stopping the device and acknowledging alarms. – Local USB port for data transfer (replacing the less – used RS – 232 port in most modern setups). Compatible with GE’s Perception™ software for data download and trend analysis

3. Functional Strengths and Design Advantages

Continuous and Precise Monitoring: The H201Ti offers real – time, continuous monitoring of key fault gases. This continuous data stream provides operators with an in – depth and up – to – date understanding of the transformer’s condition. The ability to measure gas concentrations accurately, with an accuracy of ± 0.5%, ensures that even minor changes in gas levels, which could be precursors to major faults, are not overlooked.

Versatile Sensor Options: With the availability of two types of sensors – the “Hydran composite gas” sensor and the “hydrogen – only” sensor – the H201Ti can be tailored to different monitoring requirements. The composite gas sensor, being sensitive to multiple gases associated with different types of faults (hydrogen for general faults, carbon monoxide for paper overheating, acetylene for arcing, and ethylene for oil overheating), provides a comprehensive view of the transformer’s health. The hydrogen – only sensor, on the other hand, offers a more focused and cost – effective solution for applications where hydrogen monitoring is the primary concern.

Remote Monitoring Capability: By supporting communication protocols like Modbus RTU over RS485, the H201Ti enables remote transmission of gas ppm values and gas change – rate values. This is a significant advantage as it allows operators to monitor transformer conditions from a remote location, eliminating the need for frequent on – site visits. Remote monitoring not only saves time and resources but also enables quick response times in case of detected anomalies.

Reliable Fourth – Generation Design: The H201Ti features a fourth – generation design that has been continuously improved. With over 25,000 units sold globally, its reliability is proven. The design improvements include enhanced sensor durability, a new electronic board, and a power supply that complies with RoHS standards. These enhancements not only improve the device’s reliability but also its functionality, ensuring long – term, trouble – free operation.

User – Friendly Interface: The device is equipped with a backlit LCD for clear display of gas information, even in low – light conditions. The keyboard simplifies device operation, allowing for easy control such as stopping the device and acknowledging alarms. Compatibility with GE’s Perception™ software further enhances the user experience by enabling data download, trend analysis, and more advanced data management features.

4. Application Scenarios

Power Distribution Systems: In power grids, the H201Ti plays a vital role in ensuring the reliable operation of transformers. By providing early warnings of potential faults, it helps power utilities prevent unplanned outages, which can have significant economic and social impacts. For example, it can detect the early signs of insulation breakdown in a transformer, allowing maintenance teams to schedule timely repairs and replacements, thus minimizing the risk of sudden failures.

Industrial Automation: In industrial plants, transformers are used to power various machinery and equipment. The H201Ti helps industrial operators monitor the health of these transformers, reducing the risk of production disruptions due to transformer failures. In a manufacturing facility that relies heavily on continuous power supply for its production lines, the H201Ti can ensure that any potential transformer issues are detected early, preventing costly downtime and production losses.

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