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Journal : International Journal of Power Electronics and Drive Systems (IJPEDS)

A Single-Phase Multilevel Current-Source Converter using H-Bridge and DC Current Modules

International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 4, No 2: June 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper presents a different topology of H-bridge based multilevel current-source inverter (CSI). In this new topology, an H-bridge CSI is connected with a single or more current modules to generate a multilevel output current waveform with lower di/dt, and less distortion. Using the proposed multilevel CSI, the number of the power switching devices, and isolated gate drive circuits can be reduced. Moreover, chopper based DC current sources are presented to reduce the inductor size effectively to be in micro-Henry order, and ensure the balance of the intermediate current levels. The proposed topology is inherently able to reduce the inductor conduction losses if compared with the conventional multilevel CSIs and the H-bridge CSI. Seven-level PWM inverter configurations with non-isolated DC current sources and with a single DC power source are verified through computer simulations. Furthermore, laboratory prototypes of seven-level CSI is setup and tested. The results show that the inverter circuit works properly to generate the multilevel output current waveform with low harmonics currents, small inductors and with less conduction losses which proves feasibility of the proposed multilevel CSI.

A Battery-less Grid Connected Photovoltaic Power generation using Five-Level Common-Emitter Current-Source Inverter

International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 4, No 4: December 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

Renewable power generation using photovoltaic is very interesting to be developed to deal with the problems of conventional energy sources and environmental issues. The photovoltaic power generation can operate both in stand-alone and grid-connected operations. This paper presents an application of the five-level common-emitter current-source inverter (CE-CSI) for grid connected photovoltaic system without batteries as energy storage system. In the proposed system, the five-level CE-CSI works generating a sinusoidal output current from photovoltaic system to be injected into the power grid. The transformer is used in the system to step-down the grid voltage to meet the voltage level of the photovoltaic system, and also works as a galvanic insulation between the power grid and the inverter system. Two conditions of the power grid voltage, i.e. a pure sinusoidal and a distorted power grid, are tested through computer simulation using PSIM software. Furthermore, experimental test result of the five-level inverter is also presented. The test results show that the five-level CE-CSI works well injecting a sinusoidal current into the power grid with low harmonic contents, and with unity power factor operation. The results also show that the distorted grid voltage affects the harmonic contents of the current injected by the inverter.

A nine-level hybrid current source inverter using common-emitter topology and inductor-cell

International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 2: June 2019
Publisher : Institute of Advanced Engineering and Science

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Abstract

A different circuit structure of nine-level current source power inverter is presented and discussed in this manuscript. The proposed topology is based on the common-emitter inverter topology equipped with an inductor-cell circuit. The common-emitter inverter works as the main inverter circuits delivering a three-level AC current waveform. The inductor-cell circuit produces the intermediate output current levels for nine-level current output waveform. Proportional integral current controller was applied to regulate the current streaming thru the inductor-cell. Multi triangular carrier signals based sinusoidal pulse width modulation method was utilized to obtain a lower waveform distortion. The proposed nine-level inverter circuit was tested and examined. The test results verified that the new nine-level inverter circuit worked well producing a nine-level current waveform with less low-frequency harmonic components.

A Battery-less Grid Connected Photovoltaic Power generation using Five-Level Common-Emitter Current-Source Inverter

International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 4, No 4: December 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Original Source | Check in Google Scholar | Full PDF (298.248 KB)

Abstract

Renewable power generation using photovoltaic is very interesting to be developed to deal with the problems of conventional energy sources and environmental issues. The photovoltaic power generation can operate both in stand-alone and grid-connected operations. This paper presents an application of the five-level common-emitter current-source inverter (CE-CSI) for grid connected photovoltaic system without batteries as energy storage system. In the proposed system, the five-level CE-CSI works generating a sinusoidal output current from photovoltaic system to be injected into the power grid. The transformer is used in the system to step-down the grid voltage to meet the voltage level of the photovoltaic system, and also works as a galvanic insulation between the power grid and the inverter system. Two conditions of the power grid voltage, i.e. a pure sinusoidal and a distorted power grid, are tested through computer simulation using PSIM software. Furthermore, experimental test result of the five-level inverter is also presented. The test results show that the five-level CE-CSI works well injecting a sinusoidal current into the power grid with low harmonic contents, and with unity power factor operation. The results also show that the distorted grid voltage affects the harmonic contents of the current injected by the inverter.DOI: http://dx.doi.org/10.11591/ijpeds.v4i4.6464

A Single-Phase Multilevel Current-Source Converter using H-Bridge and DC Current Modules

International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 4, No 2: June 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Original Source | Check in Google Scholar | Full PDF (293.163 KB)

Abstract

This paper presents a differenttopology ofH-bridge based multilevel current-source inverter (CSI). In this new topology, an H-bridge CSI is connected with a single or more current modules to generate a multilevel output current waveform with lower di/dt, and less distortion. Using the proposed multilevel CSI, the number of the power switching devices, and isolated gate drive circuits can be reduced. Moreover, chopper based DC current sources are presented to reduce the inductor size effectively to be in micro-Henry order, and ensure the balance of the intermediate current levels. The proposed topology is inherently able to reduce the inductor conduction losses if compared with the conventional multilevel CSIs and the H-bridge CSI. Seven-level PWM inverter configurationswith non-isolated DC current sources and with a single DC power source are verified through computer simulations. Furthermore,laboratoryprototypes of seven-level CSI is setup and tested.The results show that the inverter circuit works properly to generate the multilevel output current waveform with low harmonics currents, small inductors and with less conduction losses which proves feasibility of the proposed multilevel CSI. DOI: http://dx.doi.org/10.11591/ijpeds.v4i2.5603

Five-level PWM Inverter with a Single DC Power Source for DC-AC Power Conversion

International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 8, No 3: September 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Original Source | Check in Google Scholar | Full PDF (495.129 KB)

Abstract

This paper presents a circuit configuration of five-level PWM voltage-source inverter developed from the three-level H-bridge inverter using only a single DC input power source. In the proposed five-level inverter, an auxiliary circuits working as the voltage balancing circuits of the inverter’s DC capacitors is presented. The auxiliary circuits work to keep stable DC capacitor voltages of the inverter, and also to reduce the capacitor size of the inverter. The unique point of the proposed balancing circuits is that it needs only a single voltage sensor to control the voltages of the two capacitors in the inverter. Moreover, a minimum number the inverter’s switching devices is also an important feature of the proposed inverter topology. A simple proportional integral controller is applied to control the voltage of the DC capacitors. The proposed topology is tested through computer simulation using PSIM software. Laboratory experimental tests were also conducted to verify the proposed inverter circuits. The computer simulation and experimental test results showed that the proposed balancing circuits works properly keeping stable voltages across the two DC capacitors of the inverter using only a single voltage sensor. The inverter also works well to synthesize a five-level PWM voltage waveform with sinusoidal load current.

Co-Authors Abdul Muhid, Abdul Abdullah Nur Aziz Ade Wasti, Ade Adewasti, Adewasti Afendy Widayat, Afendy Agus Purnomo Agus Suharyanto agus wahit rohman, agus wahit Alwafi Pujiraharjo Amin Rejo Amran Amran Ananto Aji, Ananto Andi Susilo Apik Budi Santoso Apriliza, Anggia Nur Ari Kurniarum Arif Lukito Arum Uktiani, Arum As’ad Munawir As’ad Munawir, Yosephine Diajeng Janur Prasasti Suroso Astari, Fajar Ayu ASTUTI, LESTARI WINDI Ato’urrahman, M. Bachtiar, Rully Benedikta Anna Haulian Siboro, Benedikta Anna Haulian Bregas Widya Pratama, Bregas Widya Bursandy, Azimi Daru Tri Nugroho Denny Zebyan, Denny Devy, Rosindi Arta Dewa Hari Wicaksono Dewi Liesnoor Setyowati Diana Ariswanti Triningtyas, Diana Dini Yuniar Safitri, Dini Yuniar Dolly Arthur Siregar, Dolly Arthur Doni Prayogo, Doni Dwi Retno P Edi Pranoto, Edi Eka Pratiwi, Septiana Eka Susanti Eko Andi Suryo Emilia Hesti Endhar Gilang Pradipta, Endhar Endiah P. Hastuti Enrico Syaefullah Erma Puji Astuti Erni Suharini Esmijati Esmijati, Esmijati Faris Afif Octavio, Faris Afif Fitriyanto, Taufik Garnis, Aishah Geni Rina S, Hadi K Purwadaria Hadi K. Purwadaria Hari Prasetijo Harimurti Harimurti HARIYANTO HARIYANTO Haryanto Haryanto Herdianti Herdianti, Herdianti Heri Tjahjono Herlan Pratikto Herlien Indrawahyuni HERRY SUHARDIYANTO Hety R, Roro I Wayan Budiastra Ibnu Ziad, Ibnu Igaa Noviekayati, Igaa Jumrotin, Jumrotin Kartika Puspa N. Khaerudin Kurniawan Khaerudin Kurniawan, Khaerudin Kurniawan Khairul Ismi, Khairul Lestari, Maria Sekar M. Ruslin Anwar Maharani, Prita Yulia Maliatul Inayati, Maliatul Margiwiyatno, A. Marhamah Marhamah Meddy Harsono Mochammad Candra Rahmanto Moh.Hadi Mahmudi Muh. Darwis Isnaini Muh. Subekti Muhammad Eka Putra, Muhammad Eka Murwati Murwati Nalisa, Ganes Natakusuma, Adhitya Nazaruddin, Yul Y Nurul Safarida, Nurul Paryono Paryono Pribadi, Bangun Pudyono Pudyono Puji Hardati Pujiati Utami Putra Muhammad Rifqi, Putra Muhammad Qosim, Marlin Ibnu Rifaldi, Kgs Muhammad Rokhani Abdullah, Rokhani Rokhani Hasbullah Sally Cahyati Samrotul Rizqiyah, Samrotul Sardulo Gembong, Sardulo Sarjana Sarjana Satria Ardhi Permana Sebastian Adi Prakoso, Sebastian Adi Sholihati Sholihati, Sholihati Slamet Susanto Sofi Hanif Sopian Soim, Sopian Sri Ambarwati, Sri Sri Nuraini, Sri Sri Sayekti Sriyanto Sriyanto Sudiono Sudiono, Sudiono Sugiarti, Laras Sih Suhendrianto Suhendrianto, Suhendrianto Sukmanto Dibyo SULISTIANINGSIH, EKA Sumarni, E. Sunarko Sunarko suprapto, Mohammad Nur Suryanti, Dewi Putri Sutrisno sutrisno Suwanti Suwanti Suwardi Suwardi Tatik Meiyuntariningsih Teguh Prayoga Titin Nuryawati, Titin Tjaturahono Budi Sanjoto Toshihiko Noguchi Tristiana Yuniarti Triwik Sri Mulati Tukidi Tukidi, Tukidi Wahyu Setyaningsih Wahyu Widiyanto, Wahyu Warji , Wasilatul Murtafiah Watemin Watemin Wati, Anggar Widodo Suyadi Winasis Winasis Wisnu Kurniawan Wulan Sari, Wulan Yulvi Zaika Yupiter Sulifan, Yupiter Yustinus Yustinus, Yustinus