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PMU-9/18/36 Phasor Measurement Unit
Brand: Qualitrol CompanyA scalable and modular substation hardened Phasor Measurement Units for connection to up to ten three phase circuits to calculate and stream phasors.
Features- Synchronized streaming support for maximum of 36 phasors and 64 digital inputs
- Ideal for use when a multifunction device cannot be justified
- Modular and scalable platform with full compliance to IEEE C37.118.1-2005
- Simple configuration using standard web browsers
- Complies to industry security requirements
- No need for any other software package
Specifications
Brand
Accuracy
- Analog Channels Current: 1 % TVE Maintained between 10 % & 120 % of Nominal [Nominal Can be 1 A or 5 A (FSD Can be 10 or 20 times Nominal)]
- Analog Channels Voltage: 1 % TVE Maintained between 10 % & 120 % of Nominal [Nominal Can be 63.5 V (FSD 140 V), 120 V (FSD 270 V), 240 V (FSD 480 V) or 440 V (FSD 800 V)]
- Performance Accuracy: 1 µS when Locked
Analog Channels
- 9, 18 or 36 - Can be Voltage or Current as Required
Clock
- Built-In Real Time Clock Synchronized by GPS Module, IRIG-B (with 1 pps), IRIG-J
Communication
- Ethernet Ports (2 Provided - PMU-9/18, 4 Provided - PMU-36)
Digital Channels
- 32, 64 or - Wide Ranging Input from 48-250 Vdc (24-250 Vdc Optional)
Frame Rate
- Up to 50 or 60 Hz (To C37.118)
Front Panel
- LED Indicators - 9 Available Indicating Power On, Unit Healthy, Comms in Progress, Clock Synchronized, Alarm & 3 General Status
Immunity
- IEEE , EU & IEC: Conforms to Relevant Specifications for Monitoring/Control Equipment in HV Substations
Operating Temperature
- -5° to 50° C (23° to 122° F)
Power
- 40 VA - PMU-9
- 80 VA - PMU-18/36
Power Supply
- 35-65 Vdc
- 88-250 Vac
- 88-300 Vac
Resolution
- Analog Channels: 16-bits for Voltage Input
- Analog Channels: 20-bits for Current
Sample Rate
- 512 Samples/Cycle
Storage Temperature
- -30° to 70° C (-22° to 158° F)