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JHZX-GP20 type, transformer oil spectrum online monitoring device
  • JHZX-GP20 type, transformer oil spectrum online monitoring device

JHZX-GP20 type, transformer oil spectrum online monitoring device

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recommendation index:
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


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