TPA-02 phasor measurement unit
Category: Wide area measurement
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.
