G5 – Phasor Measurement Unit

pmu meter - Elspec - ltd

The BlackBox G5PMU is a fully featured Phasor Measurement Unit (PMU) embedded with PQZIP technology. The G5DFR  is a distributed multi-functional data acquisition unit that continuously records all waveform signals at sampling rate of 1,024 samples per cycle.

Multi-functional Recorder

  • Digital Fault Recorder (DFR)
  • PMU Phasor Measurement Unit
  • Power Quality Monitoring (PQM)
  • Sequence of Event Recording (SER)
  • Dynamic System Monitoring (DSM)
  • Impedance based Fault Location (IbFL)
  • Energy Billing Measurement (EBM)
  • Impedance Distance to Fault Location (IDFL)

Unique Features

  • 24-Bit Continuous acquisition at 1,024 sample per cycle[50/60Hz]
  • Modular Design
  • Centralized and decentralized architecture
  • Supreme synchronization
  • Complies with IEC 61850 MMS, GOOSE messaging and sample value
  • Comprehensive web interface
  • 7” touch LCD
  • Scalable architecture

PMU Phasor Measurement Unit

Complies with the most updated standard for synchrophasor measurements of power systems IEEE C37.118-2011, including the amendment IEEE C37.118.1a-2014.

Two independent synchrophasor data streams enable to report a synchrophasor data with two different report-rates and/or different performance classes (P/M) and/or data type simultaneously.

Ultra-fast report rate for both P & M classes:

Performance ClassMax report rate for 50HzMax report rate for 60Hz

Support for simultaneous synchrophasor data stream over TCP/IP and UDP/IP. It can be configured for unicast or multicast, enabling a better design of WAMS communication and suitable for WAMS with several utilities or applications involved.

Supreme Trends Resolution

The G5PMU measures and records 5,000 power parameters continuously at a resolution of ½ cycles, 10/12 cycles, 150/180 cycles, 10 min and 2 hours. These parameters can be added to the PMU transmission package for post reporting purposes.

5 K Parameters icon

Continous Waveform Recordings

the G5PMU is a multi-functional recorder able to record and store all electrical waveform continuously at 1,024 samples/cycle, for more than a year, with no gaps in the data. The continuous waveform recording extends the synchrophasor data to none fundamental by evaluating the real and image component of every harmonics up-to the 511th.


Data Acquisition

Sampling Rate, Maximum Samples/Cycle256/512/1,024
Digital & Aux Channels Sampling Rate Samples/Cycle128
Type of Analog to Digital Converter24 Bit


Dimensions [W X H X D]21.5 x 22.1 x 29.1 cm (8.48” x 8.7” x 11.45”)

Frequency Measurement

Fundamental Frequency37 – 70Hz
Frequency Resolution1mHz
Frequency accuracy±1mHz

Phasor Measurement Unit / Synchrophasor

Applicable StandardIEEE C37.118 – 2011/2014
M Class transmission Max rate100/sec for 50Hz, 120/sec for 60Hz
P Class Transmission rate200/sec for 50Hz, 240/sec for 60Hz

Communication ports (Rear Panel )

SFP Ports (100/1,000MB/s)2
Serial Ports1

Communication ports (Front Panel )

Ethernet Port (10/100MB/s)1

Communication Protocols

IEC 61850MMS, GOOSE, Sample Value

Power Supply

Main100-260 VAC @50/60 Hz or
100-300 VDC

Time Synchronization

Internal Real Time Clock20PPM
IRIG B0.5 μsec
NTP100 μsec

Environmental Conditions

Operation Temperature-20C to 70C (-40F to 1580F)
Storage Temperature– 40C to 85C (-40F to 185F)

Human Machine Interface

Built in 7” 1MP LCD. Additional comprehensive web server for local and remote real-time monitoring, historical data analysis and control.

Live Demo