Kinnares, Vijit

Preferred name

Kinnares, Vijit

Alternative Name

Kinnares, V.

Main Affiliation

School of Engineering

vijit.ki@kmitl.ac.th

Now showing 1 - 10 of 18

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Investigation of skew effect on the behavior and performance of grid connected induction generators
(2017-01-30)
Sawetsakulanond, B.
;
Kinnares, V.
This paper proposes the investigation of skew effect on the behavior and performance of three phase, 2.2 kW, 220/380 V, Δ / Y connected, 1420 rpm, 4 poles grid connected induction generators with skewed squirrel cage rotor for supplying electric power to utility grid. Skewed rotor with angle of 0°, 5° and 10° for grid connected induction generators are employed. Analysis and comparative study on operating of induction generators under transient and steady state conditions have been performed. Research results will be guidelines for an application of wind induction generator for electricity generation.
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Design and construction of a three phase of self-exited induction generator
(2008-12-01)
Sawetsakulanond, B.
;
Hothongkham, P.
;
Kinnares, V.
This paper proposes the design and construction of three phase, 220/380 V, 3.4/2.0 A, δγ connected, 4 poles, 0.75 kW a self-exited induction generator (SEIG). Analysis of the designed SEIG uses a finite element method. The designed SEIG has been tested and compared with a standard SEIG under operating conditions such as no-load and on-load with pure resistive load. Consideration of capacitance for the SEIG based on equivalent circuit model under steady-state load conditions and a power flow diagram is given. Research results can be guidelines for development of effective wind induction generators for electricity generation. ©2008 IEEE.
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Analysis and investigation on the behavior and performance of single phase grid connected induction generators system
(2017-10-02)
Nuttapong, P.
;
Sawetsakulanond, B.
;
Kinnares, V.
This paper presents an inrush current reduction method for a 1/2 HP (0.4 kW), 220 V, 4.8 A, 4 poles single phase split-phase type induction generator when connected to a grid using single-phase voltage control with power electronic equipment. A study and analysis of relationship between voltage, current and real power by laboratory tests under direct on line and soft connection conditions are given. Simulation and experimental results are in good agreement. According to testing results, it is found that the proposed voltage control is able to reduce 75-80 % of the inrush current when starting the connection. Research results will be guidelines in applications of effective single-phase induction generators for wind energy.
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Investigation of skew effect on the performance of self - excited induction generators
(2007-12-01)
Sawetsakulanond, B.
;
Kinnares, V.
This paper presents the investigation of skew effects on the performance of three phase, 2.2 kW 220/380 volt 4 poles self - excited induction generators (SEIG) with skewed squirrel cage rotor. Analysis of excitation capacitor of the SEIG based on a steady - state equivalent circuit model including rotor skew effect is given. Skewed rotor with angle of 0°, 5°, and 10° for the SEIG are employed. Testing and performance comparison under dynamic and steady - state operation with resistive and resistive - inductive loads have been performed. Results can be guidelines for development of effective wind induction generators. © 2007 IEEE.
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Performance evaluation of a single-phase grid connected induction generator
(2014-01-01)
Yukhalang, S.
;
Sawetsakulanond, B.
;
Kinnares, V.
This paper presents performance evaluation of a single - phase grid connected squirrel cage induction generator for variable speed wind energy applications. The existing delta connected three-phase induction generator can operate as a single-phase induction generator by connecting an external suitable capacitor across terminals. For the front end converter, a single-phase full bridge IGBT converter offers bidirectional power flow for the machine operates as a motor and generator modes. For the machine end converter, half bridge IGBT converter offers excitation of the generator. The performance evaluation like electromagnetic torque, speed, power factor etc. for variable speed of a prime mover is given. The correctness of the proposed system is verified by simulation using MATLAB/Simulink.
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Analysis and Investigation of the Islanding Phenomenon Problem for Grid Connected Induction Generators
(2018-11-27)
Sawetsakulanond, B.
;
Kinnares, V.
This paper proposes analysis and investigation of the islanding phenomenon of a three phase, 0.75 kW, 220/380 V, 3.46/2A, Δ / Y connected, 1400 rpm, 4 pole grid connected induction generator. Analysis and investigation on grid connected induction generators under transient and steady state conditions are given. Research results will be guidelines for islanding protection equipment of grid-connected induction generators.
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Investigation on the performance between standard and high efficiency induction machines operating as grid connected induction generators
(2008-12-01)
Sawetsakulanond, B.
;
Hothongkham, P.
;
Kinnares, V.
This paper proposes the investigation on the performance between standard and high efficiency induction machines operating as grid connected induction generators having same rating of three phase, 2.2kW, 220/380V, 4-poles for supplying electric power to utility grid. Analysis and comparative study on operating of induction generators under transient and steady state conditions at no-load and full-load have been performed. Research results will be guidelines for an application of wind induction generator for electricity generation. © 2008 IEEE.
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A simple approach to capacitance determination of self - exited induction generators for terminal voltage regulation
(2007-12-01)
Sawetsakulanond, B.
;
Kinnares, V.
This paper proposes a simple method for determining of capacitance requirements of three phase self-exited induction generators(SEIG). Consideration of capacitance of the SEIG based on equivalent circuit model under steady - state load conditions and a power flow diagram is given. Performance testing has been performed under a wide range of operating conditions such as no - load and on - load with pure resistive and resistive - inductive load conditions. Experimental results can be guidelines for simply suitable capacitance determination method for SEIGs with reasonable terminal voltage regulation under a wide range of operation. © 2007 IEEE.
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Performance evaluation of three-phase induction generator operating as grid connected single-phase induction generator using electronic capacitor
(2016-01-18)
Yukhalang, S.
;
Sawetsakulanond, B.
;
Kinnares, V.
This paper presents performance evaluation of three-phase induction generator operating as a grid connected single phase induction generator using electronic capacitor for variable speed wind energy applications. When the existing delta connected three-phase can operate as a single-phase induction generator by voltage control techniques using electronic capacitor. The proposed converter system for the front end converter, a single-phase full bridge IGBT converter offers bidirectional power flow for the machine operates as a motor and generator modes. For the machine end converter, half bridge IGBT converter offers excitation of the generator. Comparison between one capacitor connecting an external suitable across terminals and electronic capacitor will be given. Performance evaluation like electromagnetic torque, power factor, speed, THDi for both sides of the system for variable speed of a prime mover is given by simulation using MATLAB/Simulink.
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Power Factor Improvement and Inrush Current Reduction of a Grid Connected Split-Phase Induction Generator
(2018-11-27)
Prapurt, N.
;
Sawetsakulanond, B.
;
Kinnares, V.
This paper proposes power factor improvement and inrush current reduction of a 1/2 HP, 220 V, 4.8 A, 4 poles single-phase grid connected split phase induction generator by connecting a capacitor for reactive compensation and a single-phase ac voltage controller for reducing inrush current during starting of the grid connected induction generator. Analysis and comparison of generator performance between calculation with an equivalent circuit and testing in a laboratory are given. Simulation of the generator operation during starting of connection with the power system using MATLAB/Simulink is also included. From testing results, it is found that the capacitor can improve power factor but it causes an increase in harmonic currents. Soft starting of the grid connected generator with the ac voltage controller offers a reduction in the peak inrush current with 75-80% of the peak inrush current with direct on line start. The simulation results using MATLAB/Simulink are in good agreement with testing and theoretical results. The research results are guidelines for single-phase grid induction generator applications in effective electricity production.

Kinnares, Vijit

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