ENIP-2 PMU

Synchrophasors of the voltages and currents (main harmonic), frequency

nominal frequency 50/60 Hz (operating range 45-55/55-65 Hz),

the measurements in accordance with C37.118.1 (class P and M),

TVE < 1%, FE ≤ 0.001 Hz, RFE ≤ 0.1 Hz/sec,

the frequency of data transmission — 1/2/5/10/25/50/100 frames per second

Nominal (rated) current and voltage

1 or 5 A; 57.7/100, 230/400, 400/690 V (phase /line)

Voltage measurement accuracy

Full Scale: ±0.2 %

Readings: ±0.2 % (0.2Unom≤U≤1.5Unom), ±0.75 % (0.05Unom≤U<0.2Unom)

Current measurement accuracy

Full Scale: ±0.2 %

Readings: ±0.2 % (0.2Inom≤I<2Inom), ±0.75 % (0.05Inom≤I<0.2Inom), ±2.0 % (0.01Inom≤I<0.05Inom)

Power (active, reactive, apparent) measurement accuracy

Full Scale: ±0.5 %

Readings: ±0.5 % (0.2Inom≤I≤2Inom, 0.2Unom≤U≤1.5Unom)

Frequency measurement accuracy

±10 mHz

Measurement time / update time

50 msec (sliding window) / 20 msec, configurable averaging period

Additional measured and computable parameters

cos, tg, angles (phase and average), active and reactive energy, 

U0, U1, U2, K2U, KU, I0, I1, I2, K2I, KI, THD

Real-time clock

time accuracy: 1 µs with time sync (error less than 0.4 s per day without sync),

time sync on IEEE 1588v2 PTP, RS-485 (IRIG-A/B) or built-in GPS/GLONASS-receiver

Interfaces and protocols

1 × RS‑485 (IRIG A/B)

1 or 2 × 100Base‑TX: C37.118.2, IEC 60870‑5‑104, IEC 60870‑5‑101 UDP,

Modbus TCP, Modbus RTU UDP

Digital inputs/outputs

5 digital inputs (dry contact, 24 V DC), 3 digital outputs (only for ENIP-2-0)

Options

4,3" TFT color touch screen display, 480х272; built-in GPS/GLONASS-receiver; 8 GB storage

Power supply

18...36 VDC or 120...370 VDC / 100...265 VAC (45...55 Hz), 13 VA

Operating conditions and design

−40...+70 °C or –20...+70°С if equipped with TFT display / 160 × 165 × 83 mm, IP40