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JHZX-GP20 type, transformer oil spectrum online monitoring device

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Automatic quantitative cycle cleaning, oil intake, oil and gas separation, sample analysis

Data processing, real-time alarm

Negative pressure-constant temperature-dynamic headspace degassing technology

Direct sampling of oil intake port, full cycle oil circuit design

Using TDLAS detection principle combined with negative pressure-constant temperature-dynamic headspace degassing technology, the minimum detection value of C₂H₂ is less than or equal to 0.2 μL/L, which meets the national grid enterprise standard Q/GDW10563-2021 750kV and above voltage class A standard
It can realize automatic quantitative cycle cleaning, oil intake, oil and gas separation, sample analysis, data processing, and real-time alarm
Rapid on-line monitoring of dissolved fault gas content and growth rate in oil of oil-immersed power high voltage equipment such as transformers
Early prediction of equipment failure hazard information through fault diagnosis expert system to avoid equipment accidents, reduce major losses, and improve the reliability of equipment operation

name	component	parameter
minimum detectable quantity	C₂H₂	0.2μL/L
	CH₄、C₂H₆、C₂H₄	0.5μL/L
	H₂	2μL/L
	CO、CO₂	10μL/L
precision	C₂H₂	detection value ≤ 5 μL/L, ≤ ± 0.2 μL/L or ± 30% (whichever is larger) When the detection value is 5 μL/L~ 10 μL/L, ≤ ± 30% detection value ≥ 10μL/L, ≤ ± 20%
	H₂	detection value ≤ 20 μL/L, ≤ ± 2 μL/L or ± 30% (whichever is larger) detection value ≥ 20μL/L, ≤ ± 30%
	CH₄、C₂H₆、C₂H₄	detection value≤ 10 μL/L, ≤ ± 0.5 μL/L or ± 30% (whichever is larger) detection value ≥ 10μL/L, ≤ ± 30%
	CO、CO₂	detection value≤ 100 μL/L, ≤ ± 25 μL/L or ± 30% (whichever is larger) detection value ≥ 100μL/L, ≤ ± 30%
repeatability	RSD support	≤2%
range	H₂	0.5 ± 5000μL / L repeated
	CO、C0₂	0 ° C ± 20000μL / L
	CH₄、C₂H₆、C₂H₄	0.5 ± 5000μL / L repeated