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USENS-G

USENS-G

UHF PARTIAL DISCHARGE SENSOR.

KEY FEATURES

  • Wide band, Highly Sensitive, UHF PD Sensors for GIS
  • High Dielectric, Rugged, and Reliable design
  • Built-in overvoltage (transient) protection
  • Shielded to avoid electromagnetic interface
  • 100% Leak proof and pressure tested for 10 bar (Helium)
  • Suitable for extreme environment, Outdoor Substation
  • Customized according to GIS flange design & voltage level

Highly sensitive and accurate Partial Discharge sensor for measuring ultra-high frequency signals emitted by partial discharge activity inside Gas Insulated Switchgears (GIS). Monitoring partial discharge (PD) activity into the GIS (Gas Insulated Switchgear) is very important in determining the condition of the GIS and decide on condition-based maintenance.

All major power utilities and industrial customers are demanding for built-in PD sensors in their new GIS installations. Rugged Monitoring has developed the most advanced UHF PD sensor for GIS, capable of detecting smallest PD signals. 

  • Continuous Online Partial Discharge Monitoring
  • Periodic Partial Discharge Testing and Measurements
  • High Voltage Testing during Commissioning
  • GIS PD Testing and Monitoring
  • MV Switchgear PD Testing and Monitoring
  • Circuit Breaker PD Testing and Monitoring
  • Higher sensitivity (-90dBm) ensure higher ROI of monitoring
  • Wide frequency response, compatible with all PDM systems
  • Easy installable, and High Dielectric strength, Safest Sensors
  • Shielded Sensor, Noise Immunity
  • Built-in overvoltage protection keeps the PDM electronics safer
  • IP65 protection and rugged design, suitable for outdoor installations
  • Leak proof sensors enables safety and 0% SF6 leakage
  • Customizable according to GIS design and customer requirements
TECHNICAL SPECIFICATIONS
UHF Frequency Response
200 - 3000 MHz
Sensitivity
up to -90 dBm
Average Effective Height over 500MHz – 1500MhHz
25 mm+
Min. Effective Height over 500Mhz – 1500Mhz
16mm+
Withstand Voltage
up to 1500 kV
Output
N-Type connector; Customized option available
Connector Circuit Impedance
50 Ω
Pressure Testing
up to 10bar (with Helium Gas)
Vibration Testing
Suitable for HV - GIS and Transformer applications
Ingress Protection (IP)
IP-68
Ambient (Operating Temperature)
-60 °C to +100 °C
Storage Temperature
-60 °C to +100 °C
Operating Humidity
95% humidity at 50 °C
Dimensions
Customized as per GIS design
Weight
app. 2.0 KG; Customized as per customer requirements
Install Position
GIS Enclosure
Signal Cable
Very low attenuation UHF (Coax) cable

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