Ponovo POM2-3333, User Manual

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POM2-3333 Merger Unit Test User Manual
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Content
1 Introduction
......................................................................... 3
1.1 Overview .......................................................................................................................... 3
1.2 Standards
........................................................................................................................ 3
1.3 Main functions
................................................................................................................ 3
1.4 Technical features ......................................................................................................... 4
2 Panels and specifications
................................................. 5
2.1 Panels
............................................................................................................................... 5
2.2 Technical specifications .............................................................................................. 7
3. Software instruction ........................................................ 10
3.1 SMV accuracy test
....................................................................................................... 12
3.2 SMV channel delay
...................................................................................................... 22
3.3 Abnormal SMV .............................................................................................................. 24
3.4 SMV dispersion
............................................................................................................ 27
3.5 GOOSE abnormal
........................................................................................................ 30
3.6 Synchronization accuracy
......................................................................................... 33
3.7 Time accuracy .............................................................................................................. 37
3.8 Power Error ................................................................................................................... 42
3.9 Voltage Switch and parallel logic
............................................................................ 46
3.10 SMV and GOOSE analysis
...................................................................................... 51
Appendix A Accuracy judgement and assessment .... 55
C.1 Limits of current error and phase displacement for measuring current
transformer
.......................................................................................................................... 55
C.2 Limits of error for protective current transformers ........................................... 55
C.3 Limits of voltage error and phase displacement error for electronic
measuring voltage transformers .................................................................................... 55
C.4 Limits of voltage error and phase displacement error for electric protective
voltage transformers
......................................................................................................... 56