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DMS PDMG-R Partial Discharge Monitor
Brand: Qualitrol Company
Utilizing advanced UHF technology, the PDMG–R system is designed for large EHV GIS installations.
It collects PD data from UHF sensors (couplers) installed on the GIS and transmits the information to software for automatic interpretation and analysis by propriety HQ Software - allowing incipient faults to be avoided and the condition of the long term health of the insulation system to be simply and effectively monitored over the life of the GIS.
Features- Automatic PD fault classification
- Robust design allows for reliable operation in almost any environment
- Flexible installation options
Specifications
Brand
Ambient Operating Temperature
- -25° to 55° C (-13° to 131° F) (BS EN 60068-2-1,60068-2-21)
Bandwidth
- 500 to 1,500 MHz According to NGC/TGN(T) 121
Bi-Weekly System Status Notification
- Email, SMS (Text Message)
Compliance
- EMC Compliance: Tested to Industrial Generic Immunity & Industrial Emission Standards
Humidity
- 100 % Condensing
Input
- Equipment Cabinet: 300-Channels, Max.
- OCU: 3 UHF Channels
Local Interface
- Equipment Cabinet: Central Control Computer with 17” Monitor
Maximum Monitoring Locations
- 256 Sites
Memory
- 512 MB
Minimum Size for Installation
- 5 MB (Excludes Database)
Mounting
- UHF Sensor: Internal or External
Operating System
- Windows® XP Compatible
Output
- Equipment Cabinet - Two SCADA / SCS Alarms Contacts: PD Alarm, System Fault, Ethernet (IEC 61850) or Modem Communications, LED Status Indicators
- UHF Sensor: Communicates to OCU or Equipment Cabinet
PD Alarm
- Gradient, PD Trend
PD Trend Indicators
- Criticality Rate of Change
Power Supply
- OCU: 110-240 V, 50/60 Hz
Remote Interface
- Equipment Cabinet: GPS/Backup System
Supply Current
- OCU: 110 mA
System Alarm
- Channel Fault
- System Fault