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Power Flow Analysis Based on the Secant Method in the Environment of the Offshore Wind Farm

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Pubblicato in:Journal of Physics: Conference Series vol. 1583, no. 1 (Jul 2020)
Autore principale: Huang, Chiwei
Altri autori: Lu, Ruixiong, Hsu, Weitai
Pubblicazione:
IOP Publishing
Soggetti:
Newton-Raphson method
Jacobi matrix method
Wind turbines
Differential equations
Wind power
Offshore
Decoupling
Steady state models
Offshore energy sources
Power flow
Boundary value problems
Jacobian matrix
Physics
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Abstract:China’s current exploration of the development for the offshore wind resources is three times than for the onshore wind resources. The development and utilization of offshore wind resources have a broad prospect. In this study, a set of simplified asynchronous generators equivalent to a steady-state model applied in bus test systems is established according to the characteristics of offshore wind turbines. The calculation of the Newton-Raphson method in power flow analysis is relatively large to avoid the occurrence of a Jacobian matrix and reduce the calculation time. In this particular use of the idea of the secant method, the differential equation into the algebraic equation significantly reduced the amount of calculation but also overcame the Newton-Raphson method of sensitivity to the initial value problems. The solution of the equation is simplified, and the purpose of solving the equation is achieved more accurately, while the computation time is similar to the PQ decoupling analysis method.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1583/1/012007
Fonte:Advanced Technologies & Aerospace Database