Research Article
Effect of DC Link Control Strategies on Multiterminal AC-DC Power Flow
Table 2
Study of IEEE-300 bus system with a three-terminal DC network.
| | HVDC links | HVDC link specification | Power-flow solution | | Rectifier bus | Inverter buses | Control strategy 1 | AC terminal buses | HVDC variables | | | | Spec. values | ACSV | DCSV |
| | 25 | 26 |
(p.u.) | 0.2 | | 0.9632 | | 0.998 | | 0.999 | | 0.3005 |
(p.u.) | 0.1 | |
−2.122° | | 0.2004 | | 0.1001 | | 0.3005 |
(p.u.) | 1 | | 0.9564 | | 1.0386 | | 1.103 | | 1.0441 | | 232 |
(deg.) | 5 | | −3.715° | | 0.9766 | | 0.9377 |
(deg.) | 15 | | 0.9841 | | 0.9563 |
(deg.) | 15 | | −1.792° | NI | 7 |
| | | | Control strategy 2 | AC terminal buses | HVDC variables | | | | Spec. values | ACSV | DCSV |
| | 213 | 214 |
(p.u.) | 0.6 | | 1.0067 | | 0.994 | | 0.996 | | 0.4036 |
(p.u.) | 0.4 | | −21.69° | | 1.0036 | | 0.6036 | | 1.0036 | | 216 |
(p.u.) | 1 | | 1.0087 | | 1.0972 | | 1.0822 | | 1.0187 |
(deg.) | 5 | | −21.125° | | 0.9053 | | 0.9106 |
(deg.) | 15 | | 1.0528 | | 0.9286 |
(deg.) | 15 | | −21.39° | NI | 7 |
| | | | Control strategy 3 | AC terminal buses | HVDC variables | | | | Spec. values | ACSV | DCSV |
| | 109 | 146 |
(p.u.) | 0.1 | | 0.9993 | | 0.999 | | 0.996 | | 0.1101 |
(p.u.) | 0.01 | | 5.6163° | | 0.0101 | | 0.1001 | | 0.1101 | | 147 |
(p.u.) | 1 | | 0.9618 | | 1.1151 | | 1.0871 | | 1.1439 |
(deg.) | 5 | | −7.1728° | | 0.8974 | | 0.9564 |
(deg.) | 15 | | 0.9947° | | 0.878 |
(deg.) | 15 | | −4.9558° | NI | 7 |
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