Research Article
Effect of DC Link Control Strategies on Multiterminal AC-DC Power Flow
Table 3
Study of IEEE-300 bus system with a three-terminal HVDC network.
| HVDC link | HVDC link specification | Power-flow solution | Rectifier bus | Inverter buses | Control strategy 4 | AC terminal buses | HVDC variables | | | Spec. values | ACSV | DCSV |
| 101 | 102 | (p.u.) | 0.5 | | 0.9621 | | 0.995 | | 0.996 | | 0.3984 | (p.u.) | 0.4 | | −16.34° | | 0.4975 | | 0.9 | | 0.9 | 104 | (p.u.) | 1 | | 0.997 | | 1.137 | | 1.0851 | | 1.0616 | (deg.) | 5 | | −16.658 | | 0.9139 | | 0.9197 | (deg.) | 15 | | 1.0103 | | 0.9286 | (deg.) | 15 | | −18.43° | NI | 7 |
| | | Control strategy 5 | AC terminal buses | HVDC variables | | | Spec. values | ACSV | DCSV |
| 86 | 87 | (p.u.) | 0.3 | | 1.007 | | 0.997 | | 0.998 | | 0.5 | (p.u.) | 0.2 | | −13.843 | | 0.3009 | | 0.2004 | | 0.5021 | (p.u.) | 1 | | 0.996 | | 15.266 | | 20.363 | | 17.314 | 90 | | 1.08 | | −23.842 | | 0.9187 | | 0.91 | | 1.1 | | 0.9694 | | 0.9359 | | 1.1 | | −23.842 | NI | 12 |
| | | Control strategy 6 | AC terminal buses | HVDC variables | | | Spec. values | ACSV | DCSV |
| 77 | 84 | (p.u.) | 0.2 | | 1.052 | | 0.998 | | 0.999 | | 0.1996 | (p.u.) | 0.1 | | −6.815° | | 0.0999 | | 0.3 | | 0.3 | 86 | (p.u.) | 1 | | 1.0272 | | 14.212 | | 17.647 | | 17.985 | | 1.01 | | −11.694 | | 0.9412 | | 0.9342 | | 1.04 | | 1.02 | | 0.9417 | | 1.09 | | −12.81° | NI | 10 |
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