Abstract
Equivalent of system interconnections is required for purpose of technical and economical analyses. The paper describes the author’s market equivalent of inter-system parallel exchange. This approach allows to separation of import / export of power resulting from loop flows and demand profile. The presented model will be provided with the results of the NPS (Poland’s National Power System) power flow analysis obtained using the built equivalent.
Highlights
Equivalent of system interconnections is required for purpose of technical and economical analyses
The process of planning the transmission network development is an activity whose aim is to assess the current state of the network and prepare prospective network structures taking into account both economic and technical issues
The conducted calculation activities are to lead to such solutions, the implementation of which will ensure reliable and economical operation of the power system in the future [1]
Summary
The process of planning the transmission network development is an activity whose aim is to assess the current state of the network and prepare prospective network structures taking into account both economic and technical issues (criteria). Planning in the technical dimension covers the area of analysis, the primary objective of which is to examine the development needs of the transmission network due to the fulfilment of the set technical criteria These criteria in the long-term horizon of time and the corresponding types of analysis include: power and energy adequacy - balance analysis, examining the possibilities of covering the existing demand; long-term thermal capacity of branches (lines and transformers) – power flow analyses, examining the load level in relation to the nominal (design) parameters. The presented model will be provided with the results of the flow analysis obtained using the built equivalent
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