Stochastic Look-Ahead Economic Dispatch With Variable Generation Resources
With the continuing growth of renewable penetration in power systems, it becomes increasingly challenging to manage the operational uncertainty at near-real-time stage via deterministic scheduling approaches. This paper explores the necessity, benefits and implementability of applying stochastic pro...
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| Veröffentlicht in: | IEEE transactions on power systems 2017-01, Vol.32 (1), p.17-29 |
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| container_title | IEEE transactions on power systems |
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| creator | Gu, Yingzhong Xie, Le |
| description | With the continuing growth of renewable penetration in power systems, it becomes increasingly challenging to manage the operational uncertainty at near-real-time stage via deterministic scheduling approaches. This paper explores the necessity, benefits and implementability of applying stochastic programming to security constrained economic dispatch (SCED). We formulate a stochastic look-ahead economic dispatch (LAED-S) model for near-real-time power system operation. A concept of uncertainty responses is introduced to assess the power system economic risk with respect to net load uncertainties. This concept offers the system operator a simple yet effective gauge to decide whether a stochastic approach is more desirable than a deterministic one. For an efficient stochastic dispatch algorithm, an innovative hybrid computing architecture is proposed. It leverages the progressive hedging algorithm and the L-shaped method. Numerical experiments are conducted on a practical 5889-bus system to illustrate the effectiveness of the proposed approach. |
| doi_str_mv | 10.1109/TPWRS.2016.2520498 |
| format | Article |
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This paper explores the necessity, benefits and implementability of applying stochastic programming to security constrained economic dispatch (SCED). We formulate a stochastic look-ahead economic dispatch (LAED-S) model for near-real-time power system operation. A concept of uncertainty responses is introduced to assess the power system economic risk with respect to net load uncertainties. This concept offers the system operator a simple yet effective gauge to decide whether a stochastic approach is more desirable than a deterministic one. For an efficient stochastic dispatch algorithm, an innovative hybrid computing architecture is proposed. It leverages the progressive hedging algorithm and the L-shaped method. 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| ispartof | IEEE transactions on power systems, 2017-01, Vol.32 (1), p.17-29 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Cybersecurity Economic models Economics Independent system operators Job shop scheduling L-shaped method Mathematical analysis Mathematical models optimal size reduction parallel computing power system economic risk Power systems Production scheduling progressive hedging algorithm Real time operation Real-time systems renewable integration Scheduling Security constrained power dispatch stochastic look-ahead dispatch Stochastic processes Uncertainty uncertainty response Wind forecasting |
| title | Stochastic Look-Ahead Economic Dispatch With Variable Generation Resources |
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