A Phasor Measurement Unit (PMU) is a critical component of the Wide Area Monitoring System (WAMS) platform. These systems are designed to deliver real-time monitoring of nationwide transmission grids, offering insights to predict and prevent power failures while analysing those that have occurred.
PHASOR MEASUREMENT UNIT (PMU) PRO
A Wide Area Monitoring Revolution
The PMU PRO sets a new standard with its exceptional performance and cost-effectiveness, making it a transformative solution, particularly for Distribution System Operators (DSOs). It seamlessly integrates with third-party Phasor Data Concentrators, a key element of WAMS, ensuring adaptability and versatility.
Full IEEE C37.118.1 / IEC 60255-118-1:2018 compliance:
M-Class and P-Class
Dual Protocol:
IEC 61850-9-2 and IEEE C37.118.2
Versatile micro-second resolution time-sync:
PTP and IRIG-B
Additional features:
Up to 240 frames/sec, Super-compact design, Total Vector Error (TVE) < 0.05%
Top performance in a compact device
The PMU PRO is a game changer in Wide Area Monitoring.
Based on the PRO Series hardware, it offers incredibly advanced features, including:
- 240 frames/second
- 0.1% accuracy
- P-Class/M-Class IEEE C37.118.1 compliance
- Dual Protocol:
- IEEE C37.118.2
- IEC 61850-9-2
All this and more top-performance in a super compact device!
PHASOR MEASUREMENT UNIT
- IEEE C37.118.1-2011, IEEE C37.118.1a-2014 and IEC/IEEE 60255-118-1:2018 P-Class and M-class performance compliance
- IEEE C37.118.1 compliant three-phase voltage, current, and positive and negative sequence phasor measurements synchronised to a common UTC time reference
- IEEE C37.118.1 synchronous frequency and Rate of Change of Frequency (ROCOF) measurements
- Clock synchronisation to a UTC time reference using an IRIG-B timecode source or an IEEE 1588 PTPv2 master clock source
- IEEE C37.118.2 commanded client-server UDP and TCP data transmission and spontaneous UDP data transmission over IP protocol
- IEEE C37.118.2 reporting rates from 1 to 200/240 frames/s
- Streaming of phasor data over Ethernet using the IEC 61850-9-2 multicast sampled value (SV) service with IEEE C37.118.2 compliant mapping of synchrophasor data upon IEC 61850-9-2 and IEC 61850-90-5 guidelines
- Expected steady-state total vector error (TVE): < 0.05%
- Streaming rate: 1 to 200 or 240frames/s @ 50 or 60Hz, respectively
- IEEE C37.118.2
- Synchrophasor data frames transmit a time stamped set of measurements that include phasor estimates, frequency deviation from the nominal power line frequency or actual frequency, and the rate of change of frequency. In addition, the data frame can be expanded to contain analog data (total active, reactive and apparent power, and power factor) and digital input status information.
Phasor components can include three voltage and three current phasors, positive sequence voltage and current phasors, negative sequence voltage and current phasors, or all of them in one frame.
Complex phasor values can be sent in a rectangular coordinates format (real and imaginary) or in polar coordinates (magnitude and angle). Phasor and frequency data can be represented in 32-bit IEEE floating-point format or as 16-bit scaled integer numbers. When using the integer format, the data conversion factors are provided in IEEE C37.118.2 configuration frames. - Client-server UDP and TCP data transmission; spontaneous UDP data transmission over IP protocol
- Optional IEEE C37.118.2 frame extensions with analog data (total active, reactive and apparent power and power factor) and digital status data (up to 32 inputs)
- The PMU PRO supports CFG-1, CFG-2 and CFG-3 configuration frames.
In spontaneous UDP data transmission mode, CFG-2 or CFG-3 configuration frames can be sent spontaneously without an explicit user command. When enabled, a configuration frame is sent periodically every 30 seconds.
- Synchrophasor data frames transmit a time stamped set of measurements that include phasor estimates, frequency deviation from the nominal power line frequency or actual frequency, and the rate of change of frequency. In addition, the data frame can be expanded to contain analog data (total active, reactive and apparent power, and power factor) and digital input status information.
- 5 data streaming slots for continuous synchrophasor data streaming via unicast UDP or/and TCP connections
LOGGING, RECORDING AND PROGRAMMING
- Programmable controller: up to 32 control setpoints and half-cycle scan time
- OR, AND, arithmetical functions logic, extensive triggers, programmable thresholds and delays, relay control, event-driven data recording
- Event recorder for logging internal diagnostic events, power faults and operations of the logic controller and digital I/O
- Eight data recorders with programmable datasets for data logging on a periodic basis and on any internal or external trigger
- 32 digital counters for counting internal events and pulses from external sources
- 16 interval timers with programmable periods from half cycle to 24 hours for periodic recording and triggering timed operations
VARIABLE CURRENT INPUTS
- 5A
- 1A
VOLTAGE MEASUREMENT INPUTS
- Measurement category: CAT III
- Operating range: up to 277/480 VAC +25%
I/O
- Built-in I/O
- 1 AI (±1 mA; 0-1 mA; 0-20 mA; 4-20 mA)
- 1 SSR (100mA/250V AC/DC)
External power supply 24/48/125/250V DC - 1 DI
Internally wetted @ 24VDC
4 Relay Outputs
Electromechanical (SPST Form A)Available options:
- 5A/30 VDC
- 5A/250V AC
- 100mA/800V DC
Combo: 4 Digital Inputs + 2 Relay Outputs
Available per above specifications
4 Analog Outputs
Universal (configurable) isolated analog outputs
(±1 mA; 0-1 mA; 0-20 mA; 4-20 mA)
COMUNICATION INTERFACES
- Two 10/100Base-T IEEE 1588 Ethernet ports with packet forwarding/routing capabilities; connecting to Ethernet through one or two different network switches, or daisy chaining multiple devices to a switch using a linear or ring network topology (daisy chaining is not available for PTP-enabled devices); up to 8 simultaneous TCP connections via Modbus TCP, DNP3, IEC 60870-5-104, IEC 61850 (up to 5 client associations, GOOSE and MSV publishers) protocols
- Up to 5 TCP or/and UDP synchrophasor data streams via C37.118.2 protocol
- Full speed USB 2.0 type C port for local configuring and monitoring the device via Modbus RTU protocol
- RS-485 serial communication port; 2400 to 115200 bps; Modbus RTU/ASCII, DNP3 and IEC 60870-5-101 protocols (the port is not operational if the IRIG-B time synchronization source is used)
- Modbus TCP notification client
- Expertpower client
DISPLAY
- High contrast 1.77” TFT color graphics display with configurable backlight
- Multi-page displays; time, instrumentation and service data
- Menu-driven setups
- Multilanguage support
REAL TIME CLOCK AND SYNCHRONISATION
- High-accuracy real-time clock with a lithium backup battery
- Clock synchronisation to a UTC time reference using an IRIG-B timecode source or an IEEE 1588 PTPv2 master clock
- Daylight saving time shift for local time indication with configurable DST start and end time
POWER SUPPLY
- Built-in: 57.7-277V AC / 48-290V DC
- Additional options:
- AUX 88-264V AC / 90-290V DC
- AUX 9-36V DC
ENHANCED METER SECURITY
- 3 levels Password security for protecting meter setups and accumulated data from unauthorised changes
MOUNTING
- DIN Rail mount
Modules for PMU PRO
8DI
8 optically isolated digital inputs, available as:
- 24V dry contact
- 24/48/125/250V AC/DC wet input
Programmable de-bounce time from 1 ms to 1 sec
1ms sampling rate 1pps time synchronisation
4DO
4 optically isolated digital outputs, available as:
- Electro-Mechanical relay, 250V / 5A AC
- Solid-State Relay, 250V / 0.1A AC
Combo: 4 DI + 2 RO
Available per above specifications (DI: @ 24V DC only)
4 Analog Outputs
Universal (configurable) isolated analog outputs
(±1 mA; 0-1 mA; 0-20 mA; 4-20 mA)
Auxiliary Power Supply
- 88-264V AC
- 90-290V DC
DC Auxiliary Power Supply
24V DC (9-36V DC)
Discuss your metering needs with us
SATEC (Australia) Pty Ltd
We look forward to discussing your next project. Fill out the form or pick up the phone, we will be happy to help.
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