Abstract
Reliability is one of the most important factors of electrical energy system. This paper presents analysis of reliability of electrical energy system and divided small electrical energy system. To meet stated requirements of reliability is needed to increase energy supply reliability by increasing equipment reliability, distributing energy generation and creating smaller electric energy systems during fault period. The small electrical energy system creation impact to energy supply reliability has been investigated for defined divided electrical energy system during occurrence of a fault. The main reliability parameters of electrical equipment have been identified and calculated. Reliability of different small electrical energy system regimes has calculated and compared. DOI: http://dx.doi.org/10.5755/j01.eee.19.10.2727
Highlights
Electrical energy system (EES) is a complex developing network of generators and customers
This paper presents analysis of reliability of electrical energy system and divided small electrical energy system
The small electrical energy system creation impact to energy supply reliability has been investigated for defined divided electrical energy system during occurrence of a fault
Summary
Electrical energy system (EES) is a complex developing network of generators and customers. Developing electronic devices and information systems set high requirements for energy quality and especially for reliability with level of 1–1·10-9 [1]. The large electrical energy system divided into small independently operated energy systems would ensure the supply of electricity, but for efficient division system has to be prepared for dividing. Small electric energy system (SEES) concept is the system consisting of one or more generators and consumers which can be disconnected from EES and work autonomously for unidentified time period [3]. This system can be set up after the power system faults. In this paper SEES creation impact for energy supply reliability increment has been investigated. Average energy losses of SEES and SEES divided into subsystems is calculated and compared
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