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¡ô SF6 Electrical Equipment Gas Detector
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¡ô Two Cases of SF6 CT Faults Detection Report
¡ô 500KV Tank Lighting Arrestor Fault Detected by Our Compnay in Huanghua Power Plant
¡ô Inspection Report on 330KV GIS Fault in Weinan Substation in Shanxi Province
 
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Portable GIS Partial Discharge Detector

Model: JHPD-20

JHPD-20 detects and diagnoses the partial discharge inside the gas insulated switchgear (GIS). By using the UHF sensor attached on the surface of GIS or inside the GIS and the noise sensor which excludes the disturbance signal, the detector analyzes the GIS operation condition.

¡ô  Features
 
---  Light weight: easy for on site operation.
---  User friendly interface and simple operation design.
---  Outside and inside sensor are acceptable to monitor the partial discharge inside the GIS.
---  Acoustic sensor distinguishes the ambient noise and improves the reliable of the PD signal recognition.
 
¡ô  Specifications
 
PD signal input
£­65dBm¡«£­10dBm
Frequency range
500MHz¡«1500MHz
SYNC volts input
250V[max]
External SYNC output
0£­3V£¨peak value£©
Power              
AC 220V/50 60Hz
Channel               
2£¨including noise channel£©
SYNC input channel        
1
SYNC output channel
1
Communication
RJ45
Display 
A. Connection       
LED
B. Operation       
LED
C. SYNC     
LED
D. Power      
LED
Operation temperature
-25¡æ¡ª40¡æ
 
¡ô  Operation Function
 
*   Display Function
 
---  Real time signal cycle display (two/three dimension pattern), 1/60 cycle data display
---  Real time peak value data display, PD peak value pattern display 
---  Real time average data display, PD average value pattern display
---  Real time PRPD ( peak value- resolve- phase display), PD data peak value- resolve-phase pattern display
 
*   Memory Function
 
---  History data management: save the data every 15 minutes (900 seconds)
---  Faults management: record the faults data or threshold value or density record
 
*   Search Function
 
---  History data search
---  Faults data search
---  Two/three dimension pattern search
¡¡¡¡
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