Product Introduction
The ZH-02 Transformer Oil Chromatography Online Monitoring System is a specialized solution designed specifically for the real-time analysis of dissolved gases in power transformer oil and for fault detection. It is suitable for use with a wide range of oil-immersed high-voltage equipment, including power transformers, electric arc furnace transformers, reactors, and transformers of various voltage levels. As a new-generation online oil chromatography monitoring system, our solution provides a stable and reliable platform for the remote Dissolved Gas Analysis (DGA) of power transformers. The system's field monitoring unit integrates four highly cohesive modules-chromatographic data acquisition and processing, oil-gas separation, gas detection, and gas supply-along with auxiliary components.
Product Attributes
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Operating Ambient Temperature |
-40℃ ~ +70℃ |
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Operating Ambient Humidity |
Relative Humidity 5~95% |
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Atmospheric Pressure |
70kPa ~ 110kPa |
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Working Power Supply |
AC220V ±10%, 50Hz |
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Monitored Components |
H₂, CO, CO₂, CH₄, C₂H₄, C₂H₂, C₂H₆, H₂O (optional), micro-water, relative growth rate, absolute growth rate; micro-water in oil (optional) |
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Analysis and Diagnosis Function |
Analyze and diagnose via improved three-ratio method, David trigonometry, and cube diagram representation, provide original spectra |
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Minimum Detection Period |
40-60 minutes |
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Sampling Method |
Circulating sampling |
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Oil-gas Separation Method |
Vacuum total degassing method |
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Data Storage Life |
≥10 years |
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Equipped Carrier Gas Volume |
Gas source generator |
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Enclosure Protection Performance |
IP56 |
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Overall Dimensions |
Width 600mm × Depth 535mm × Height 1100mm |
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Overall Weight |
130kg |
Equipment Characteristics
1. Tracks gas concentrations and growth trends in real time.
2. Quantitative cyclic sampling with reliable oil-gas separation.
3. Specialized chromatographic columns and high-sensitivity imported transmitters.
4. Delivers high stability and precision, supports standard protocols for remote transmission.
5. Modular design with embedded multifunctional integration.
6. Ethernet-based remote data transmission.
7. Multiple data display options with 10 years of historical data storage.
Company Advantages
Deep Technological Foundation
Leveraging the original Tianwei Group's power transmission and distribution technology platform, and collaborating with universities such as North China Electric Power University and Hebei University of Technology on industry-academia-research cooperation.
Complete Product Line
Covering primary equipment such as transformers and switchgear, as well as online monitoring secondary systems, providing comprehensive solutions.
Sound Certification System
Certified by ISO9001, ISO14001, and ISO45001, and possessing CNAS accredited testing qualifications.
Strong Production and Testing Capabilities
Possessing core equipment such as core winding machines and vacuum casting machines, and full-set testing capabilities including power frequency withstand voltage and lightning impulse tests.
Comprehensive Service Model
Providing full-process services from needs assessment and customized design to on-site installation and after-sales maintenance.
Extensive Engineering Experience
Possessing a Class III qualification for power facility installation (repair, testing), with practical project delivery experience.
Our Certificate
FAQ
Q: Is this system complex to maintain?
A: Low-maintenance design, no need for annual carrier gas replacement.
Q: What is the monitoring period for this system?
A: The minimum monitoring period is 40-60 minutes, which can be set by the user. The recommended monitoring period is once every 24 hours.
Q: Does installation require system shutdown?
A: The system is connected to the transformer via an oil circulation pipeline. Installation requires either the transformer to be shut down or connected while energized. The specific solution will be determined based on site conditions.
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