Delay-Aware Wide-Area Control of Power Systems over Sparse Communications with Analytical Guarantees
A distributed and sparse control strategy is proposed in this paper for wide-area power system networks. A network control design is proposed that makes use of the notion of communication sparsity and is delay-aware. Communication sparsity is imposed to reduce the cost of the network design, and th...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
Institute of Electrical and Electronics Engineers (IEEE)
2018
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| Online Access: | http://hdl.handle.net/1721.1/113352 https://orcid.org/0000-0002-1109-3092 https://orcid.org/0000-0002-4354-0459 |
| Summary: | A distributed and sparse control strategy is proposed in this paper for wide-area power system networks. A network control design is proposed that makes use of the notion of communication sparsity and is delay-aware. Communication sparsity is imposed to reduce the cost of the network design,
and the delay-aware aspect of the control design accommodates the fact that the sensor measurements utilized may stem from a local generator, generators within an area or those from another area. The latter is addressed using the same notion of sparsity but in a virtual sense by zeroing out the gains that correspond to measurements that are yet to arrive. Both sparsity features are introduced in the control design using the well-known Geromel algorithm. The designs are verified through a simulation study
of the IEEE-39 bus, where it is shown that with 90% less communication channels, we can obtain 84% of the performance compared the case when neither of the two sparsity features is present.
Index Terms: wide-area control, sparse communication, cyberphysical
systems, delays |
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