Zhengzhou Great Electric Co.,Ltd.
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Merging Unit Test System MUE1 series
Smart Substation Test Equipment Digital CT/VT Test Merging Unit Tester
Compatible with IEC61850-9-1,IEC61850-9-2,IEC61850-9-2LE,IEC60044-FT3 Protocol
Technical Index
| Accuracy class | 0.05 |
| Conventional voltage test | |
| Range | 0-120V, measuring range 100V, 100/√3V |
| Adjustable range & accuracy | 20%-150%, 0.05% |
| Conventional current test | |
| Range | 0-20A, measuring range 5A & 1A |
| Adjustable range & accuracy | 1%-120% |
| Frequency test | |
| Range | 45-65HZ |
| Accuracy | 0.002HZ |
| Input power test accuracy | |
| Active power | 0.05 class |
| Reactive power | 0.1 class |
| Optical fiber interface | |
| 1 Group ST optical fiber interface | |
| Sending power | >-6dBm |
| Optical receive sensitivity | -38dBm |
| Sync signal | |
| Optical sync input & output | 2Nos |
| Optical sync IRIG-B(DC) output | 1No |
| Sync output time accuracy | better than 100ns |
| Power supply | |
| Input voltage | AC220V±10% ,50/60Hz |
| Power Consumption | <20W |
| Dimension & Weight: 360x400x160mm, 7.5KGS | |
Feature
1) Adopting three phase high accuracy standard power source, high accuracy A/D data collector, sync
time clock unit, AC sampling basic standard and MU testing unit
2) Operation by PC software
3) Adopting high-order sync algorithm and 512times over sampling technology
4) Adopting LabView language and virtual instrument technology, friendly HMI and convenient for operation
5) With simulation small signal output, realize multiple frequency sinewave voltage signal output
range 0-4V (RMS)
6) Accuracy error and timing & communication performance test of merging unit with collection of
multiple channels digital or analog input
7) Accuracy error test of merging unit with analog input of collection with conventional VT and CT
8) Accuracy test of merging unit with digital CT/VT digital input
9) Accuracy error test of digital CT VT and calibration of analog value
10) Dispersion degree test of sampling message
11) Integrity test of sampling message
12) Time comparison error test of merging unit
13) Time keeping error test of merging unit
14) Sampling response time test
15) Full frame message analysis
Protocol test: ASDU, sampling points, serial no., rated time-delay, APPID, SVID, MC address, Sync Status
Full frame analysis, analysis all channles' waveform, sampling value & message original data
16) Can calibrate the merging unit with frequency or harmonic influence
17) Record test point error data, convenient for data inquiry, store, and print..