Transformer Dissolved Gas Analyzer | Kazakhstan 2026
Country: Kazakhstan 2026
Quantity: 2
Working power supply:AC220V±10%, 50Hz, 2000W.
Monitoring components: 7 gases (H2, CO, C02, CH4, C2H4, C2H2, C2H6) and micro water.
Protection level: Dust and waterproof levels fully meet the IP55 standard.
Description





Chromatography insight, guarding the vital core, a smart and proactive transformer choice!
General
Project Description
For the export project to Kazakhstan (Drawing No. 12878), the supporting equipment is a transformer oil chromatography online monitoring device. This device is specifically designed for long-term, stable operation under harsh climatic conditions and is capable of adapting to the extremely changeable environment of Kazakhstan. Its operating ambient temperature ranges from -40°C to +70°C, relative humidity from 5% to 95% (with no condensation or ice formation inside the device), atmospheric pressure from 70kPa to 110kPa, and operating power supply of AC220V ±10%, 50Hz, with a total power consumption of 2000W, fully meeting the demanding on-site requirements.
In terms of monitoring performance, the device can simultaneously monitor seven characteristic gases (H₂, CO, CO₂, CH₄, C₂H₄, C₂H₂, C₂H₆) as well as moisture content, comprehensively covering the key indicators required for early fault diagnosis of transformers. The overall protection rating reaches IP55, providing excellent dust and water resistance, ensuring long-term reliable operation in outdoor or complex industrial environments. The device weighs 140kg, with a compact structure that facilitates on-site installation and maintenance.
The oil chromatography online monitoring device adopts high-sensitivity sensors and intelligent analysis algorithms. It can track in real time the changing trends of dissolved gases in the transformer's insulating oil, promptly detect latent faults, and provide a scientific basis for transformer condition assessment and predictive maintenance. The device features remote data transmission and alarm functions, enabling seamless integration with substation monitoring systems or dispatch centers, supporting unattended operation and intelligent maintenance.
Whether applied in power plants, substations, renewable energy stations, or critical transformers in industrial facilities, our company's transformer oil chromatography online monitoring device delivers an efficient, accurate, and reliable equipment health management solution for the Kazakhstan project, effectively enhancing the safety and intelligence level of the power system.

Technical Specification
|
Delivered to |
Kazakhstan |
|
Year Standard |
2026 IEC 60567 |
|
Working environment temperature |
-40℃ ~ +70℃ |
|
Workplace humidity |
5% to 95% (no dew formation, no ice accumulation) |
|
Atmospheric pressure |
70kPa ~ 110kPa |
|
Working power supply |
AC220V ±10%,50Hz |
|
Total power consumption |
2000W |
|
Monitoring component |
H₂, CO, CO₂, CH₄, C₂H₄, C₂H₂, C₂H₆ + trace moisture |
|
Detection Principle |
Gas Chromatography |
|
Protection level |
IP55 |
Drawings


Manufacturing
Core modules
|
|
Integrated within a single cabinet, the device features a clear layout of key functional modules for easy maintenance and signal acquisition. Main modules and descriptions: Control Module: Handles logic control, data acquisition, and communication. Supports one‑click start and local/remote operation. Chromatography Column Module: Separates characteristic gases (H₂, CO, CH₄, C₂H₄, C₂H₂, etc.) in oil. Core component of chromatographic analysis. Temperature Control Display Unit: Monitors and adjusts column oven and detector temperature in real time to ensure stable separation and high repeatability. Gas Distribution Module: Precisely controls and distributes carrier gas, standard gas, and sample gas for a stable chromatographic baseline. Carrier Gas Transport Module: Supplies a steady, pure carrier gas flow to drive the sample through the column and into the detector. |
Final assembly
|
Module installation: Install modules into cabinet slots per drawings. Ensure alignment, fixation, leak‑tight gas connections, and seated electrical interfaces. Sensor & detector connection: Connect column output to detector. Shield signal lines to avoid interference. Oil & gas path connection: Connect oil inlet/outlet to transformer sampling valve. Connect carrier gas cylinder to gas module. Leak‑test all pneumatic connections before power‑on. Grounding & communication: Connect grounding terminal to ground grid. Connect communication interface to remote system for data transmission and alarm output. Power‑on verification: Power on. Check: one‑click start, temperature stability, baseline, and alarm test. |
|
Testing
|
No. |
Inspection Items |
Inspection Contents |
Measurement Standards |
Conclusions |
|
1 |
Measurement Error Testing |
Multi-components(H2,CH4,C2H2,C2H6,C2H4,CO,Co2) |
The lowest detection limit for measurement error or ±30%, whichever is greater. |
PASS |
|
2 |
Measurement Repeatability Testing |
For total hydrocarbons≥50pL/L in the same oil sample, perform six consecutive gas analyses in oil with measurement repeatability expressed as the relative standard deviation (RSD) OF total hydrocarbons results. |
RSD of total hydrocarbons measurement results ≤5% |
PASS |
|
3 |
Minimum Detection Cycle Testing |
Under normal operating conditions, the time required by the device from automatic sampling to providing analysis results. |
The minimum monitoring cycle should not exceed 2 hours. |
PASS |
|
4 |
Insulation Resistance Testing |
Insulation Resistance |
Under normal testing atmospheric conditions, measured with a 500V insulation resistance meter, the insulation resistance between each independent circuit and exposed conductive parts, and between the independent circuits themselves, should be ≥5MΩ |
PASS |
|
5 |
Dielectric Strength Testing |
Dielectric Strength |
Under normal testing atmospheric conditions, each independent circuit and the exposed conductive parts, as well as between the independent circuits, should withstand a 2KV power frequency withstand test at 50Hz for 1 minute without breakdown flashover and component damage. |
PASS |
|
6 |
Continuous Power-On Testing |
The The device operates within its effective measuring range, continuously powered for 72 hours. During continuous power-on, the data recording interval should not exceed 2 hours, or there should be at least 12 recordings every 24 hours. |
Over the 72-hour period, all functions of the device operate normally, data can be normally uploaded, measurement trends are continuous and stable, with no abnormal fluctuations. |
PASS |


Packing and Shipping
Packing


Shipping

Site and Summary
In conclusion, the Transformer Dissolved Gas Analyzer represents a significant advancement in power equipment diagnostic technology, offering enhanced reliability, real-time data accuracy, and operational safety. Its unique design, featuring high-sensitivity gas chromatograph columns and integrated micro-water measurement, enables precise detection of fault gases such as hydrogen, carbon monoxide, methane, and acetylene, ensuring early warning of potential transformer failures. With the ability to interface seamlessly with IEC 61850 protocols, minimal maintenance requirements, and robust performance under challenging environmental conditions, this device is an ideal choice for power grid modernization projects. As utility operators and industrial clients continue to prioritize predictive maintenance and grid stability, the Transformer Dissolved Gas Analyzer will undoubtedly play a crucial role in safeguarding critical assets, contributing to a more resilient and intelligent energy infrastructure.

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