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Original scientific paper

Stochastic modelling of pump-storage hydroelectric power plants, Part II

Lajos Józsa orcid id orcid.org/0000-0002-9895-1503 ; Elektrotehnički fakultet, Sveučilište J. J. Strossmayera u Osijeku, Kneza Trpimira 2B, HR-31000 Osijek, Croatia
Damir Šljivac ; Elektrotehnički fakultet, Sveučilište J. J. Strossmayera u Osijeku, Kneza Trpimira 2B, HR-31000 Osijek, Croatia
Danijel Topić orcid id orcid.org/0000-0003-2100-242X ; Elektrotehnički fakultet, Sveučilište J. J. Strossmayera u Osijeku, Kneza Trpimira 2B, HR-31000 Osijek, Croatia


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Abstract

Two parts of this paper represent a contribution to implementation of a pump-storage hydroelectric power plant stochastic model into a power plant system reliability model. Part II provides the method for determining the probability distribution of required pumping capacity of a pump-storage plant with natural inflow, and then the insertion of pump-storage hydro plants into the reliability model of the entire electrical energy production system. The inflow is thereby treated as a random variable, and stochastic modelling relies on the well-known method of constant and variable energy production. The model developed is suitable to create an additional decision-making criterion for studies related to expansion planning strategy of generating capacities in power systems. The stochastic models presented in this paper are illustrated by simple numerical examples.

Keywords

convolution; density function; distribution function; method of constant and variable energy production; probability function; reliability; stochastic inflow

Hrčak ID:

59641

URI

https://hrcak.srce.hr/59641

Publication date:

30.9.2010.

Article data in other languages: croatian

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