“…An admittance equivalent model is developed in [13], starting with the assumption that the value of F can be determined independent of X m ; a nine-degree polynomial relation resulted. A similar approach is presented in [25], where for the negative-sequence rotor circuit X m is neglected. The approximate equivalent circuit is depicted in Fig.…”
“…• Two capacitors in short-shunt connection [24,25] (Fig. 2(b)); ii) Two-winding generator: • One capacitor (connected across the auxiliary winding) [26][27][28][29][30][31][32][33][34][35][36] (Fig.…”
The use of induction generators for electricity production in small power isolated systems represents the topic for a wide research area. As in such topologies single-phase consumers are predominant, besides three-phase induction generators with adequate balancing circuits, single-phase induction generators qualify as a reliable alternative. In the last 38 years, a significant number of research papers have tackled the problems related to the autonomous operation of single-phase induction generators (SPIGs) such as determining excitation capacitors values and their optimal arrangement, ensuring stable operation in terms of voltage and frequency balancing under varying loads and finally enhancing the quality of the energy delivered to the isolated single-phase consumers. While in case of simple topologies the operation of SPIGs is mainly investigated for fundamental electric parameters dependence with loading, excitation capacitance and speed, the use of power electronics based converters ensures stable operation over a wide range of varying/non-linear loads. This paper presents a comprehensive overview of the literature dedicated to SPIGs, focusing on several significant aspects such as main topologies, modeling, steadystate analysis and performance investigations.
“…An admittance equivalent model is developed in [13], starting with the assumption that the value of F can be determined independent of X m ; a nine-degree polynomial relation resulted. A similar approach is presented in [25], where for the negative-sequence rotor circuit X m is neglected. The approximate equivalent circuit is depicted in Fig.…”
“…• Two capacitors in short-shunt connection [24,25] (Fig. 2(b)); ii) Two-winding generator: • One capacitor (connected across the auxiliary winding) [26][27][28][29][30][31][32][33][34][35][36] (Fig.…”
The use of induction generators for electricity production in small power isolated systems represents the topic for a wide research area. As in such topologies single-phase consumers are predominant, besides three-phase induction generators with adequate balancing circuits, single-phase induction generators qualify as a reliable alternative. In the last 38 years, a significant number of research papers have tackled the problems related to the autonomous operation of single-phase induction generators (SPIGs) such as determining excitation capacitors values and their optimal arrangement, ensuring stable operation in terms of voltage and frequency balancing under varying loads and finally enhancing the quality of the energy delivered to the isolated single-phase consumers. While in case of simple topologies the operation of SPIGs is mainly investigated for fundamental electric parameters dependence with loading, excitation capacitance and speed, the use of power electronics based converters ensures stable operation over a wide range of varying/non-linear loads. This paper presents a comprehensive overview of the literature dedicated to SPIGs, focusing on several significant aspects such as main topologies, modeling, steadystate analysis and performance investigations.
“…To investigate steady-state performance characteristics of the single-phase induction generators, circuit models based on field revolving theory are commonly used with taking saturation into account [1][2][3]. To study transients phenomena in the generators, two axis dq model with saturation included may be used [4].…”
Abstract:The paper deals with a single-phase induction machine operating as a stand-alone self-excited singlephase induction generator for generation of electrical energy from renewable energy sources. By changing number of turns and size of wires in the auxiliary stator winding, an improvement of performance characteristics of the generator were obtained as regards no-load and load voltage of the stator windings as well as stator winding currents of the generator. Field-circuit simulation models of the generator were developed using Flux2D software package for the generator with shunt capacitor in the main stator winding. The obtained results have been validated experimentally at the laboratory setup using the single-phase capacitor induction motor of 1.1 kW rated power and 230 V voltage as a base model of the generator.
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