Abstract
The paper presents the results of scientific research, firstly, the effectiveness of the use of energy storage systems as stabilizers of alternating current frequency as a part of gas piston installations in decentralized and centralized (operating in parallel with the power system) and their simultaneous use for excitation forcing of generators during voltage dips is proved, secondly, The efficiency of using increased field-forcing ratio of the synchronous generator of the gas piston installations is proved to improve the power quality of industrial consumers.
Highlights
In this paper, we consider the technical aspects of the use of energy storage systems (ESS), including the excitation forcing of synchronous generators gas piston installations (GPI) in order to increase the level of residual voltage on the load during short circuits in the supply grid [10, 11]
The main problem of using the excitation forcing of synchronous machines (SM) at the moment short-term power outages (STPO) is that voltage dips (VD) extends to the entire power supply system
The сritical length of the line was used as an efficiency criterion - this is the distance to the location of the short circuit on the overhead power transmission line (OPTL), at which the residual voltage on the load buses is equal to the minimum allowable under the conditions of maintaining its stable working
Summary
The operation of low-voltage electric motors for oil pump drives, fans, and similar mechanisms included in technological protections of technological processes, microprocessor technology, telecommunications systems, automated process control systems, expensive medical equipment, standard blocks of new digital technologies and the Internet, is often interrupted by short durations (in milliseconds) power failures and overloads that occur 20-30 times a year and lead to expensive economic damage [1,2,3]. To identify the general laws of the influence of the field-forcing ratio of both SG and SEM on the level of residual voltage, a series of model experiments was carried out with different values of the SM power and the length of the OPTL at which a threephase fault occurs. The сritical length of the line was used as an efficiency criterion - this is the distance to the location of the short circuit on the OPTL, at which the residual voltage on the load buses is equal to the minimum allowable under the conditions of maintaining its stable working The smaller this value, the smaller the number of STPO affects the work of industrial consumers [21]. If we compare the efficiency of the field-forcing ratio the excitation of the SG with an independent excitation system from the ESS, four-time field forcing provides a twofold reduction in the critical length of the OPTL
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