Transformer Oil Gas DGA Tester

MOEORW-WEP70 is a gas chromatography analysis system for power insulating oil launched by Wuhan Moen Intelligent Electric . It consists of a chromatograph, a multi-functional degassing oscillator, a hydrogen/air generator, and a dedicated chromatography workstation . It is used for the qualitative and quantitative detection of dissolved gases (H₂, CO, CO₂, CH₄, C₂H₄, C₂H₆, C₂H₂) in transformer oil, and accurately identifies latent faults in oil-filled equipment.

The instrument features a 7-inch touchscreen, multi-processor parallel operation, 8-channel independent temperature control, and multi-stage programmed temperature rise . It supports modular selection of detectors such as TCD/FID/ECD/FPD/NPD, and boasts high accuracy and stability in gas path and temperature control. Equipped with a degassing oscillator, high-purity gas source, and dedicated workstation, it integrates automatic degassing, data acquisition, instrument control, fault diagnosis, and report output , meeting standards such as GB/T 17623. It is suitable for power systems, maintenance laboratories, and factory testing of equipment.

MOEORW - WEP70 Transformer Oil Chromatography Analyzer

MOEORW - WEP70 Multifunctional Degassing Shaker

MOEORW- WEP70 Hydrogen Generator

Purity: 99.999%

Flow rate: 0～300/500mL/min

Output pressure: 0.4MPa

Power supply: AC220V, 50Hz; Power consumption: 150/180W

Features: Anti-backflow, automatic constant pressure, requires only distilled water replenishment.

MOEORW- WEP70 Air Generator

Dedicated Chromatography Workstation

Integrated design with high degree of specialization

The entire system is tailor-made for transformer oil dissolved gas analysis . It consists of a chromatograph, a degassing shaker, a hydrogen/air generator, and a dedicated workstation. It fully complies with national standards such as GB/T 17623 and can complete the entire process of oil sample degassing, separation, detection, and diagnosis in one stop. It is suitable for use in power system fields and laboratories.

The instrument has stable performance and provides accurate and reliable testing.

It adopts 8 independent temperature control channels and high-precision temperature control algorithm, with a temperature control accuracy of ±0.1℃. It supports 16-stage (expandable to 99 stages) programmed temperature rise and has good peak separation effect. With high-performance detectors such as FID and TCD, it can achieve low detection limit and wide linear range detection of 7 components such as H₂, C₂H₂, etc., and the data is stable and traceable.

Simple and easy to use, with a high degree of automation

The main unit is equipped with a 7-inch high-definition capacitive touch screen with a simple and intuitive interface; the dedicated workstation integrates instrument control, automatic peak identification, data acquisition, fault diagnosis, and report generation , and supports centralized sample injection and cyclic analysis, which greatly reduces the difficulty of manual operation and human error.

Strong networking and scalability, adaptable to intelligent operation and maintenance.

Built-in Ethernet communication supports remote control, remote diagnostics, and data transmission , and can be connected to LAN and DCS systems; adopts a modular structure design, and detectors and sample introduction systems can be flexibly selected, supporting up to 4 detectors to work simultaneously, meeting the upgrade needs of different scenarios.

Safe, durable, and easy to maintain

The instrument features multiple safety protections for the gas path and electrical circuit. Detectors such as TCD, FID, and ECD have dedicated operating procedures and damage-proof designs. The instrument is easy to disassemble and repair. The maintenance procedures for the injector, detector, chromatographic column, and gas purifier are clear, making daily maintenance simple and ensuring stable and reliable long-term operation.

The supporting gas source is highly efficient and clean, ensuring the quality of testing.

The dedicated hydrogen and air generator produces high-purity gas with stable pressure. It features anti-backflow, three-stage purification, and automatic drainage functions, replacing traditional high-pressure steel cylinders for safer and more worry-free use, and ensuring accurate chromatographic analysis results from the gas source.

Online/Offline Monitoring of Power Transformers
Used for detecting dissolved gases in the oil of main transformers and plant service transformers in substations, enabling timely detection of latent faults such as overheating and discharge.
 

Power maintenance laboratory testing
The power supply company's maintenance branch and testing center conduct daily oil sample testing, periodic tests, fault retesting, and data analysis.
 

Equipment delivery and acceptance
Chromatographic analysis of insulating oil used in factory testing and delivery acceptance testing of equipment such as transformers, reactors, and instrument transformers.
 

Power grid operation and maintenance and fault diagnosis
Power grid companies conduct equipment condition assessments, fault location, and lifespan evaluations to support the safe operation of smart grids.
 

Scientific research and third-party testing institutions
Electric power research institutes and testing and certification organizations conduct insulating oil analysis, methodology research, and comparative tests.