Abstract
The authors proposed to supply the load with the help of inductive-capacitive converters (ICC) based on hybrid electromagnetic elements (EME), which are referred to as multifunctional integrated electromagnetic components (MIEC). The use of hybrid EME can reduce the weight and size, increase the efficiency and reliability of current stabilization systems (CSS). The goal of the article is to investigate the stabilization properties of the three schemes proposed by the authors of IEP, based on the two-section MIEC with the different methods of connection MIEC sections and connection of the power supply and the load. The authors carried out the research and analysis of the frequency response (FR), evaluated the gains of voltage and current, power factor stabilizing the ICC based on the two-section MIEC with the different methods of connection MIEC sections and connection of the power supply and the load. Scheme no.1 has a higher voltage gain as compared with the scheme no.2 (kU1 = 20 > kU2 = 13.5), it stabilizes the current of greater amplitude (iL1 = 0.352 > iL2 = 0.235), but in a narrow frequency range (from 0.98fres to 1.02fres). Thus, circuit №1 has a wide frequency range as compared with the scheme №3 (from 0.985fres to 1.003fres), but it stabilizes current of smaller amplitude (iL1 = 0.352) and has a smaller voltage gain (kU1 = 20 < kU3 = 75). Scheme no.2 has the best stabilizing properties among the two-section schemes of MIEC. Scheme no.2 provides stabilization of the load current over a wide frequency range (from 0.7fres to 1.3fres). This scheme has high filtering properties and can be operated by a non-sinusoidal voltage source. Scheme no.3 provides stabilization of greater amplitude of the load current (iL3 = 1.23). It has the highest voltage gain (kU3 = 75). The investigated ICC based on the two-section MIEC can be used as capacitive storage charge devices powered by the source voltage sine wave.
Keywords
Stability criteria, converters, current supply, mathematical model, current-voltage characteristics, multifunctional integrated electromagnetic component, inductive-capacitive converter, frequency response, current stabilization, current stability.
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