Search Results - "Gajanayake, C.J."

Development of a Comprehensive Model and a Multiloop Controller for Z-Source Inverter DG Systems by Gajanayake, C.J., Vilathgamuwa, D.M., Poh Chiang Loh

“…This paper presents the modeling and design of a closed-loop controller for a Z-source inverter. The Z-source inverter is a recently proposed single-stage…”
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Z-Source-Inverter-Based Flexible Distributed Generation System Solution for Grid Power Quality Improvement by Gajanayake, C.J., Vilathgamuwa, D.M., Poh Chiang Loh, Teodorescu, R., Blaabjerg, F.

“…Distributed generation (DG) systems are usually connected to the grid using power electronic converters. Power delivered from such DG sources depends on…”
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Modulation and Control of Three-Phase Paralleled Z-Source Inverters for Distributed Generation Applications by Vilathgamuwa, D.M., Gajanayake, C.J., Poh Chiang Loh

“…This paper presents a modulation and controller design method for paralleled Z -source inverter systems applicable for alternative energy sources like solar…”
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Small-signal and signal-flow-graph modeling of switched Z-source impedance network by Gajanayake, C.J., Vilathgamuwa, D.M., Poh Chiang Loh

“…The Z-source inverter is a recently proposed converter topology that uses a unique X-shaped impedance network on its dc side for achieving both voltage-buck…”
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Hybrid Modulation Strategy to Avoid Zero Crossing Distortion in the Vienna Rectifier by Molligoda, D. A., Ceballos, S., Pou, J., Satpathi, K., Sasongko, F., Gajanayake, C.J., Gupta, A. K.

“…The three level Vienna rectifier has an inherent problem of current distortion at zero crossings. This can be mitigated by injecting a particular zero sequence…”
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Transient Modeling and Analysis of Pulse-Width Modulated Z-Source Inverter by Poh Chiang Loh, Vilathgamuwa, D.M., Gajanayake, C.J., Yih Rong Lim, Chern Wern Teo

“…The newly proposed Z-Source inverter has been proven in the literature to exhibit both steady-state voltage buck and boost capabilities using a unique LC…”
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Z-Source Current-Type Inverters: Digital Modulation and Logic Implementation by Poh Chiang Loh, Vilathgamuwa, D.M., Gajanayake, C.J., Li Tyan Wong, Chiew Ping Ang

“…Traditionally, current source (CS) inverters have been adopted for use in medium and high power industry applications. These inverters, however, support only…”
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Evaluation of Resonant Damping Techniquesfor Z-Source Current-Type Inverter by Poh Chiang Loh, Gajanayake, C.J., Vilathgamuwa, D.M., Blaabjerg, F.

“…For the renewable energy sources whose outputs vary continuously, a Z-source current-type inverter has been proposed as a possible buck-boost alternative for…”
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Voltage Sag Compensation With Z-Source Inverter Based Dynamic Voltage Restorer by Vilathgamuwa, D.M., Gajanayake, C.J., Loh, P.C., Li, Y.W.

“…The dynamic voltage restorer has been gaining acceptance as an effective device for voltage sag compensation. The compensation capability of a dynamic voltage…”
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Analysis of the Vienna Rectifier under Nonunity Power Factor Operation by Molligoda, D. A., Pou, J., Gajanayake, C.J., Gupta, A.K.

“…The Vienna rectifier is an attractive topology due to the three-level voltage generation and its simplicity compared to other converter solutions. The Vienna…”
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Evaluation of resonant damping techniques for Z-source current-type inverter by Loh, P.C., Gajanayake, C.J., Vilathgamuwa, D.M., Blaabjerg, F.

“…For the renewable energy sources whose outputs vary continuously, Z-source current-type inverter has been proposed as a possible buck-boost alternative for…”
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Z-Source Inverter Based Power Quality Compensator with Enhanced Ride-Through Capability by Gajanayake, C.J., Vilathgamuwa, D.M., Loh, P.C., Blaabjerg, F., Teodorescu, R.

“…Distributed generation has been gaining acceptance over the years and it has the potential to provide reliable power to sensitive loads. However, distributed…”
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Z-source current-type inverters: digital modulation and logic implementation by Loh, P.C., Vilathgamuwa, D.M., Gajanayake, C.J., Wong, L.T., Ang, C.P.

“…Traditionally, current source (CS) inverters have been adopted for use in medium and high power industry applications. These inverters however support only…”
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Transient modeling and analysis of pulse-width modulated Z-source inverter by Loh, P.C., Vilathgamuwa, D.M., Gajanayake, C.J., Lim, Y.R., Teo, C.W.

“…The newly proposed Z-source inverter has been proven in the literature to exhibit both steady-state voltage buck and boost capabilities using a unique LC…”
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Operational analysis and comparative evaluation of embedded Z-Source inverters by Gao, F., Loh, P.C., Blaabjerg, F., Gajanayake, C.J.

“…This paper presents various embedded Z-source (EZ-source) inverters broadly classified as shunt or parallel embedded Z-source inverter. Being different from…”
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Z-source converter based grid-interface for variable-speed permanent magnet wind turbine generators by Vilathgamuwa, D.M., Wang Xiaoyu, Gajanayake, C.J.

“…A Z-source inverter based grid-interface for a variable-speed wind turbine connected to a permanent magnet synchronous generator is proposed. A control system…”
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Wi-Fi based server in microgrid energy management system by Siow, L.K., So, P.L., Gooi, H.B., Luo, F.L., Gajanayake, C.J., Vo, Q.N.

“…Information exchange in a microgrid is vital for monitoring and control purposes. Before any monitoring and control algorithms can be applied to a microgrid…”
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Extended boost Z-source inverters by Gajanayake, C.J., Luo Fang Lin, Gooi Hoay Beng, So Ping Lam, Siow Lip Kian

“…The Z-source inverter has gained popularity as a single-stage buck-boost inverter topology among many researchers. However, its boosting capability could be…”
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Simple modulation and control method for new extended boost quasi Z-source by Gajanayake, C.J., Gooi, H.B., Luo, F.L., So, P.L., Siow, L.K., Vo, Q.N.

“…This paper proposes a new extended boost quasi Z-source inverter (ZSI) and a simple modulation and control method based on one-cycle control for controlling a…”
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A Z-source Inverter Based Flexible DG System with P+resonance and Repetitive Controllers for Power Quality Improvement of a Weak Grid by Gajanayake, C.J., Vilathgamuwa, D.M., Loh, P.C., Blaabjerg, F., Teodorescu, R.

“…In the present power systems, nonlinear loads connected at distribution level have increased immensely. This results in reduction of voltage quality for…”
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