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Computer aided power flow software engineering and code generation

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1 Author(s)
Bacher, R. ; Swiss Federal Inst. of Technol., Zurich, Switzerland

In this paper a software engineering concept is described which permits the automatic solution of a nonlinear set of network equations. The power flow equation set can be seen as a defined subset of a network equation set. The automated solution process is the numerical Newton-Raphson solution process of the power flow equations where the key code parts are the numeric mismatch and the numeric Jacobian term computation. It is shown that both the Jacobian and the mismatch term source code can be automatically generated in a conventional language such as Fortran or C. Thereby one starts from a high level, symbolic language with automatic differentiation and code generation facilities. As a result of this software engineering process an efficient, very high duality Newton-Raphson solution code is generated which allows easier implementation of network equation model enhancements and easier code maintenance as compared to hand-coded Fortran or C code

Published in:

Power Systems, IEEE Transactions on  (Volume:11 ,  Issue: 1 )