TPA-02 phasor measurement unit

Phasor measurement unit (PMU) TPA-02 is intended for measuring the current and voltage phasors with a precise timestamping and subsequent transmission to a vector data multiplexer according to the C37.118 protocol.

Main functions

Measuring of current and voltage in the network being monitored
Current phase angle calculation (per phase)
Voltage phase angle calculation (per phase)
Line frequency calculation
Frequency rate of change calculation
Measurement of generator excitation system`s current and voltage
Time synchronization using precise time GLONASS/GPS signals
Data transmission over C37.118 protocol

Basic performance data

input voltage measurement limit	100 V
input current measurement limit	5; 10 А
relative current and voltage measurement error	up to ± 0,2 %
relative power measurement error	up to ± 0,4 %
relative measurement error of the generator excitation system`s current and voltage	up to ± 0,4 %
input signals frequency measurement range	45…55 Hz
permissible frequency absolute measurement error	up to ± 0,001 Hz
permissible phase shift absolute measurement value	± 0,1°
absolute time synchronization error	up to ± 1,0 μs
number of voltage measurement channels	3
number of current measurement channels	3
number of generator excitation system voltage measurement channels*	1
number of generator excitation system current measurement channels*	1
power supply	120–370 VDC, 85–265 VAC
overall dimensions (WхHхD)	270x266x260 mm, 6U enclosure (Euromechanis)

Additional features

Fault recording
Alarm indication
Self-diagnostics
Integrated web-interface

Communication modules

2xEthernet 10/100 Base-Tx/Fx

Communication protocols

С37–118.2-2011
IEC 61850-8-1 (MMS)
IEC 61850-9-2 LE (SV)
IEC 60870-5-104
FTP
Proprietary communication protocols

Operating temperature

+1...+50°С

* Generator excitation system`s voltage and current channels are arranged with the help of a UNC-2 detector.

Catalog 2019(.pdf/3 MB)