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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
- 1 µs when Locked
Analog Channel Accuracy
- 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)]
- Voltage: 1 % TVE Maintained between 10 % & 120 % of Nominal Voltage [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)]
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
- 2 Ethernet Ports - RJ45 for Local Connection at the Front, RJ45 (with Option for Fibre) on the Rear Port to Stream Phasors (Q-PMU 9/18)
- 4 Ethernet Ports - 2 x RJ45 for Local Connection at the Front, 2 x RJ45 (with Option for Fibre) on the Rear Port to Stream Phasors (Q-PMU 36)
Digital Channels
- 32, 64 or - Wide Ranging Input from 48-250 Vac (24-250 Vdc Optional)
Front Panel
- LED Indicator - 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)
Phasors
- To C37.118 - Frame Rates up to 50 or 60 Hz, Single-Phase Phasors or Sequence Components
Power (Maximum Load)
- 40 VA
- 80 VA (For Q-PMU 18, Q-PMU 36)
Resolution
- 16-bits for Voltage Input
- 20-bits for Current Input
Sample Rate
- 512 Samples/Cycle
Storage Temperature
- -30° to 70° C (-22° to 158° F)
Voltage Range
- 35-65 Vdc
- 88-250 Vac
- 88-300 Vdc