Abstract
The existing centralized power supply system has the alternative due to distributed generation. By certain conditions distributed cogeneration allows to increase the reliability and quality of power supply and to reduce the cost of electricity for consumers. Therefore, a lot of energy-intensive consumers switched to their own power supply systems, as it turned out to be a competitive technical solution. The total gasification of the country’s regions and the presence of domestic manufacturers of gas turbine and gas piston power plants accelerated this process. Nowadays local power systems are emerging with cogeneration plants are the main source of heat and electricity there. The feasibility justification of the kind and type of generation is determined by many factors, including circuit-mode parameters in the local power system and adjacent network. Local power systems based on the principles of self-balance are proposed to name as energy cells. The integration of energy cells with regional power system increases the technical and economic effectiveness of power supply system for consumers. The proposed power systems transition leads to certain systemic effects. Received effects are depending on functions of distributed generation. This paper explores the impact of scheme and mode factor on the technical effects.
Highlights
The existing Russian Unified Power System (UPS) has exhausted its efficiency resource
Calculations on the example of a specific local power system and analysis of the results indicate the practical utility of research
It should be expected that the local power systems will be designed and emerged as self-balance power systems for small and medium-sized consumers
Summary
The existing Russian Unified Power System (UPS) has exhausted its efficiency resource. Contradictions between the concentrated production and distributed electricity consumption have appeared.120.3 GW of generating capacity is installed at 53 large power plants [1]. It equals for less than 15% of the total number of power plants. Increasing quantity of nonindustrial consumers (public services enterprises, office buildings, shopping centers, banks, hotels, etc.) are not supported by new construction and reconstruction of distribution networks This is the reason of reducing the availability of connecting consumers to the regional power supply system. Integration will be accompanied by significant systemic technical and economic effects such as increasing reliability and quality of power supply, increasing the filling rate and the unevenness of load curve, reducing the cost of the regional electric network companies’ (RENC) development and etc. Their connection to the regional power supply system’s networks differs from the terms of accession of the DG
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