Digital Computer Solution of Power-Flow Problems

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This paper presents the procedures developed by the authors using a medium-sized digital computer(NEAC-2203) for the calculation of the power-flows necessary to plannings and operations of electric power transmission and distribution systems.The computer program described herein utilizes the characteristics of power systems to save the number of storage required.As the result the maximum size of power systems acceptable by this program is increased up to for example 100 nodes 210 branches and 14 off-nominal transformers from 28 64 and 5 respectively which are the maximum numbers acceptable by the old program organized for the same machine by the authors after the model of the reference［1］.

This paper presents the procedures,developed by the authors using a medium-sized digital computer(NEAC-2203),for the calculation of the power-flows necessary to plannings and operations of electric power transmission and distribution systems.The computer program described herein utilizes the characteristics of power systems to save the number of storage required.As the result,the maximum size of power systems acceptable by this program is increased up to,for example,100 nodes,210 branches and 14 off-nominal transformers from 28,64 and 5,respectively,which are the maximum numbers acceptable by the old program organized for the same machine by the authors after the model of the reference［1］.

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