Online Partial Discharge Monitoring System

QPDM Unit

Voltage range

90 to 264 V AC; 50/60 Hz

Output

4 x SCADA / SCS alarms contacts for PD Warning, PD Alarm and System Fault 4 x LED status indicators (bi-color)

Inputs and Outputs

Input (UHF)

Supports 1 to 6 channels for UHF sensor inputs

Input (noise)

1 separate noise channel for external noise antenna

Frequency bandwidth

300 MHz to 2100 MHz with HDR card 4 selectable bands: 440 - 800 MHz, 300 - 800 MHz, 1100 - 2100 MHz, 300 - 1200MHz (default)

Dynamic range

70 dB

Sensitivity

-80 dBm

Sample rate

15360 samples/s per channel at 60Hz

Output

Ethernet (multi/single mode fiber optic or RJ45)

Output protocols

IEC61850

Environmental

Ambient operating temperature

-25° to +55° C [-13° to +131° F]. (Custom ranges available)

Storage temperature

25° to +85° C [-13° to +185° F]

Humidity

5 to 95%, non-condensing

Enclosure rating

IP66

Seismic

IEEE C37.98 (seismic testing of relays)

Environmental test compliance

BS EN60068-2-2, BS EN60068-2-1, BS EN60068-2-78

Vibration test compliance

BS EN68-2-6, BS EN68-2-27, BS EN68-2-29

Immunity and Mechanical

EMC test compliance

Conforms to relevant specifications for monitoring / control equipment in HV substations. BS EN55022 (: 2006); BS EN61000-3-2 to -3-3, BS-EN61000-4-2 to -4-6, BS EN61000-4-8, BS EN61000-4-11, BS EN61000-4-18; IEC 60255-5, IEC 61180-1

Others

CE and RoHS Compliance

Dimensions

600 mm (height) x 430 (width) x 210 mm (depth). [23.6” x 16.9” x 8.3”]

Weight

25 kg [55.2 lbs]