“…The conventional ELCs have discontinuous nature of control with discrete steps in connecting and disconnecting dump load which results in power quality problems. Modern electronic load controller technology has to meet the demand of various types of consumer loads which may be linear, non-linear, balanced or unbalanced and also has to maintain the power quality standards [12]- [15]. …”
Abstract. This paper presents the experimental evaluation of the performance of 3-φ self-excited induction generator (SEIG) suitable for pico-hydro power generation system feeding domestic load in remote mountainous region. The use of induction generators is most suitable for renewable energy conversion systems due to their enormous advantages over conventional synchronous generators. Important features of induction generators include the simplicity in construction, ruggedness, simplified control, ease in maintenance and small size per generated kW. The performance characteristics of 3-φ SEIG feeding isolated load are evaluated using MATLAB-Simulink model based on the prevalent renewable energy sources inputs and loading conditions in mountainous terrain of Himalayas. The results are validated using an experimental set-up comprising of 3-φ, 3 HP induction motor run as 3-φ induction generator driven by 5HP, 4-pole DC shunt motor acting as prime-mover.
“…The conventional ELCs have discontinuous nature of control with discrete steps in connecting and disconnecting dump load which results in power quality problems. Modern electronic load controller technology has to meet the demand of various types of consumer loads which may be linear, non-linear, balanced or unbalanced and also has to maintain the power quality standards [12]- [15]. …”
Abstract. This paper presents the experimental evaluation of the performance of 3-φ self-excited induction generator (SEIG) suitable for pico-hydro power generation system feeding domestic load in remote mountainous region. The use of induction generators is most suitable for renewable energy conversion systems due to their enormous advantages over conventional synchronous generators. Important features of induction generators include the simplicity in construction, ruggedness, simplified control, ease in maintenance and small size per generated kW. The performance characteristics of 3-φ SEIG feeding isolated load are evaluated using MATLAB-Simulink model based on the prevalent renewable energy sources inputs and loading conditions in mountainous terrain of Himalayas. The results are validated using an experimental set-up comprising of 3-φ, 3 HP induction motor run as 3-φ induction generator driven by 5HP, 4-pole DC shunt motor acting as prime-mover.
“…From synchronous speed tests, the relation between magnetizing inductance L m and magnetizing current i m is obtained. A 12th-degree polynomial is considered in [17] for getting good agreement between calculated and measured inductance, but a 5th-degree polynomial is sufficient and was used in [18]. The same polynomial is taken in this paper and given as:…”
Section: Modeling Of Self-excited Induction Generatormentioning
Abstract:In this paper, the transient and steady-state performances of an isolated self-excited induction generator driven by a wind turbine and feeding power to a dynamic load such as a three-phase induction motor are analyzed.
“…Finally, by substituting equations (9), (17) and (19) into equation (20), for the parallel SEIGs input impedance it is obtained that…”
Section: Steady State Analysismentioning
confidence: 99%
“…In addition, such autonomous power systems usually employ single-phase distribution schemes due to a low cost, easy maintenance and simplicity in terms of protection. The steady-state analysis of three-phase SEIG with unbalanced loads and excitation capacitances is well documented [15][16][17][18][19][20]. In order to utilize the full potential of the hydro and wind energy source, a number of SEIGs are required to be operated in parallel.…”
This paper proposed a multi-objective genetic algorithm (MOGA) based approach for determining the steady-state performance characteristics of three-phase self-excited induction generators (SEIGs) operating in parallel and supplying an unbalanced load. The symmetrical component theory is used for the transformation of a complex three-phase generatorscapacitances-load system to a simple equivalent circuit. The MOGA has been employed for the determination of unknown variables by minimizing the impedance module of the equivalent circuit. Using this approach, effects of various parameters on the terminal voltage control characteristics are examined for two parallel SEIGs with C2C connection under a single phase load.K e y w o r d s: induction generator, self-excitation, parallel operation, voltage control, multi-objective genetic algorithm
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