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Journal articles on the topic 'Unipolar SPWM'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Jiang, Chao, Yue Li Hu, Ke Ke Zhang, and Yang Cao. "Modulation Waveform Cycle Normalization Based Unipolar SPWM Controller." Advanced Materials Research 791-793 (September 2013): 681–85. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.681.

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The thesis mainly proposed a novel design method for Sinusoidal Pulse Width Modulation (SPWM) controller based on modulation waveform cycle normalization. T is the period of sinusoidal modulation waveform, and T/n is the cycle of triangular carrier. Shift registers and adders of SPWM controller were designed to translate the 2n numerical value for SPWM waveform on-off switching points, which were calculated offline, to control the level of the outpout SPWM waveform,which is the key point of modulation waveform cycle normalization. In the thesis RTL function simulation verification by ModelSim

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2

Kurniawan, Muh Alif Deby, Rini Nur Hasanah, and Ramadhani Kurniawan Subroto. "PENGENDALI PID PADA BOOST INVERTER SATU FASA DENGAN TEKNIK PENYAKELARAN SPWM BIPOLAR DAN UNIPOLAR." Transmisi 21, no. 4 (2019): 116–27. http://dx.doi.org/10.14710/transmisi.21.4.116-127.

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Artikel ini menguraikan pengendalian dengan metode PID pada boost inverter satu fasa yang menggunakan teknik penyakelaran SPWM bipolar dan unipolar. Kinerja penggunaan kedua teknik penyakelaran dengan pengendali PID dibandingkan dengan jika tidak menggunakan pengendali PID. Metode Integral of Time Absolute Error (ITAE) diterapkan untuk mendapatkan nilai parameter pengendali PID. Penelitian dilakukan dengan metode simulasi menggunakan alat bantu perangkat lunak PSIM. Kinerja didasarkan pada nilai tegangan dan arus keluaran serta nilai total distorsi harmonisa. Hasil penelitian menunjukkan bahwa

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3

Huang, Haibo, Yulin Kong, Jianfei Chen, et al. "Research on a New Inverter Control Strategy of Induction Heating Power Supply." Electronics 13, no. 17 (2024): 3469. http://dx.doi.org/10.3390/electronics13173469.

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To achieve “high voltage, low current” in the induction heating power circuit, enhance the flexibility of component selection in the circuit, and improve the quality of the inverter’s output waveform, a new control strategy of a single-phase NPC three-level inverter with unipolar frequency-doubling SPWM method is proposed. With the series connection of IGBTs in a single-phase NPC three-level inverter, the voltage withstand requirement of IGBT is reduced by half. The middle four IGBTs are controlled using unipolar frequency-doubling SPWM, while the outer four IGBTs are turned on later and turne

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4

Chaaira, Aymen, Habib Kraiem, Rabiaa Gamoudi, and Lassaad Sbita. "Comparative Analysis of Bipolar and Unipolar SPWM Techniques in PIC-Based Pure Sine Wave Single-Phase Inverters." Engineering, Technology & Applied Science Research 14, no. 3 (2024): 14395–401. http://dx.doi.org/10.48084/etasr.7150.

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This paper provides a comparative analysis of bipolar versus unipolar Sinusoidal Pulse Width Modulation (SPWM) in DC-AC inverters, focusing on Total Harmonic Distortion (THD) across modulation indices and the latter’s effects on the R-L loads. Using the PIC18F2431 microcontroller for its efficiency, a single-phase inverter accomplished to deliver a high-fidelity sine wave. This study discovered that while both SPWM methods reduce harmonics, the unipolar approach yields more uniform THD reduction and superior performance, particularly noticeable in RL load conditions, where minimal harmonic dis

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Fathoni, Agus Pracoyo, Totok Winarno, and Rizal Sabillah. "RANCANGBANGUN RANGKAIAN INVERTER SPWM UNIPOLAR 1 FASA DENGAN PENGATURAN FREKUENSI OUTPUT." Jurnal Teknik Ilmu Dan Aplikasi 9, no. 1 (2021): 46–49. http://dx.doi.org/10.33795/jtia.v9i1.10.

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   Changing the dc sgnal to ac signal is done for te purpose of load regulations, such as the ac motor speed, heater and lamp. Inverter work is done by ac rectification first and then converted again to a 1 phase ac signal. The ac output signal is a sinosoidal PWM (SPWM) type of unipolar 220 volts from the input 24 volt dc voltage. Unipolar SPWM signal generation is done by a microcontroller with programming. The number of counts (resolutions) of the SPWM signal and the period are set from the amount in the register, can be set to 8 bits or other constants. The power part of

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6

Ao, Shilei. "Research on harmonic suppression method of SPWM inverter circuit for photovoltaic power generation system." Highlights in Science, Engineering and Technology 119 (December 11, 2024): 126–36. https://doi.org/10.54097/kmmgew16.

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To effectively reduce and suppress the harmonics generated by single-phase inverter circuits, this paper mainly investigates the harmonic characteristics of single-phase Sinusoidal Pulse Width Modulation (SPWM) inverter in the output voltage and its suppression methods. According to the SPWM principle and Fourier series theory, the mathematical model and simulation of the output voltage of the SPWM inverter are established, and the harmonic characteristics of the SPWM inverter are analyzed. Secondly, the harmonic content and distribution of the output voltage under three different carrier cont

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7

Bhukya, Ravikumar, and P. Satish Kumar. "Analysis and Implementation of Unipolar PWM Strategies for Three Phase Cascade Multilevel Inverter Fed Induction Motor Drive." International Journal of Advances in Applied Sciences 7, no. 3 (2018): 245. http://dx.doi.org/10.11591/ijaas.v7.i3.pp245-254.

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This paper presents unipolar pulse width modulation technique with sinusoidal sampling pulse width modulation are analyzed for three-phase five-level, seven-level, nine-level and eleven-level cascaded multi-level inverter. The unipolar PWM method offers a good opportunity for the realization of the Three-phase inverter control, it is better to use the unipolar PWM method with single carrier wave compared to two reference waves. In such case the motor harmonic losses will be considerably lower.The necessary calculations for generation of unipolar pulse width modulation strategies have presented

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8

Ravikumar, Bhukya, and Satish Kumar P. "Analysis and Implementation of Unipolar PWM Strategies for Three Phase Cascade Multilevel Inverter Fed Induction Motor Drive." International Journal of Advances in Applied Sciences (IJAAS) 7, no. 3 (2018): 245–54. https://doi.org/10.11591/ijaas.v7.i3.pp245-254.

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This paper presents unipolar pulse width modulation technique with sinusoidal sampling pulse width modulation are analyzed for three-phase five-level, seven-level, nine-level and eleven-level cascaded multi-level inverter. The unipolar PWM method offers a good opportunity for the realization of the Three-phase inverter control, it is better to use the unipolar PWM method with single carrier wave compared to two reference waves. In such case the motor harmonic losses will be considerably lower.The necessary calculations for generation of unipolar pulse width modulation strategies have presented

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9

Ponce-Silva, Mario, Óscar Sánchez-Vargas, Claudia Cortés-García, Jesús Aguayo-Alquicira, and Susana Estefany De León-Aldaco. "Algorithm for Assessment of the Switching Angles in the Unipolar SPWM Technique for Single-Phase Inverters." Algorithms 17, no. 7 (2024): 317. http://dx.doi.org/10.3390/a17070317.

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The main contribution of this paper is to present a simple algorithm that theoretically and numerically assesses the switching angles of an inverter operated with the SPWM technique. This technique is the most widely used for eliminating harmonics in DC-AC converters for powering motors, renewable energy applications, household appliances, etc. Unlike conventional implementations of the SPWM technique based on the analog or digital comparison of a sinusoidal signal with a triangular signal, this paper mathematically performs this comparison. It proposes a simple solution to solve the transcend

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10

Othman, Muhammad Murtadha, Nik Muhamad Lokman Fahmi Nek Rakami, Zulkiffli Abdul Hamid, Ismail Musirin, and Mohammad Lutfi Othman. "Energy efficiency enhancement using dynamic voltage restorer (DVR)." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 3 (2019): 1308. http://dx.doi.org/10.11591/ijpeds.v10.i3.pp1308-1316.

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Dynamic voltage restorer (DVR) is a device that can compensate harmonic, voltage sag and voltage swell condition that exists in a three-phase system. Other than that, DVR can also be used to enhance the energy efficiency or energy saving by reducing excessive amount of incoming power via the reduction incoming voltage at allowable limit. The DVR can inject the required voltage in the system so that the interruption of supply voltage can be compensated. The compensation of voltage supply interruption is improved based on the hysteresis voltage output of controller used in the DVR to detect the

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11

Muhammad, Murtadha Othman, Muhamad Lokman Fahmi Nek Rakami Nik, Abdul Hamid Zulkiffli, Musirin Ismail, and Lutfi Othman Mohammad. "Energy efficiency enhancement using dynamic voltage restorer (DVR)." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 3 (2019): 1308–16. https://doi.org/10.11591/ijpeds.v10.i3.pp1308-1316.

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Dynamic voltage restorer (DVR) is a device that can compensate harmonic, voltage sag and voltage swell condition that exists in a three-phase system. Other than that, DVR can also be used to enhance the energy efficiency or energy saving by reducing excessive amount of incoming power via the reduction incoming voltage at allowable limit. The DVR can inject the required voltage in the system so that the interruption of supply voltage can be compensated. The compensation of voltage supply interruption is improved based on the hysteresis voltage output of controller used in the DVR to detect the

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12

Alam, Aftab, Junaid Akhtar, Surendra Kumar, and Brij Mohan Prasad. "Design of SPWM Converter for Improving the Performance of Hybrid Electric Vehicles." International Journal of Microsystems and IoT 2, no. 6 (2024): 968–76. https://doi.org/10.5281/zenodo.13255048.

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The interest has grown in Hybrid Electric Vehicles (HEVs) because of the worries over environmental pollution and fuel consumption. The main components of an HEV are the power converter, electric motor, storage system which may be a battery, ultracapacitor, etc. and the internal combustion engine (ICE).  A three phase inverter changes fixed dc voltage into ac voltage whose magnitude and frequency can be obtained as required. Power electronics is an empowering technology which helps in development of such an inverter which can be utilized for many purposes.  Adjustable output voltage

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13

C.R.Balamurugan, S.P.Natarajan, R.Bensra, and T.S.Anandhi. "PERFORMANCE EVALUATION ON UNIPOLAR PWM STRATEGIES FOR THREE PHASE DIODE CLAMPED MULTILEVEL INVERTER." International Journal of Soft Computing, Mathematics and Control (IJSCMC) 4, no. 2 (2022): 21. https://doi.org/10.5281/zenodo.6832228.

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This paper proposes different types of modulation methods for the Diode Clamped Multi Level Inverter (DCMLI). In this paper, a DCMLI is controlled with Sinusoidal PWM technique (SPWM), Third Harmonic Injection PWM technique, Sixty degree PWM technique and Stepped wave technique with Sub harmonic (SHPWM), Carrier Overlapping (CO), Phase shift (PS) , Variable frequency (VF) and the variation of Total Harmonic Distortion (THD) in their outputs are observed and also chosen inverter is controlled by SPWM technique, THI PWM technique, Sixty degree PWM and Stepped wave technique by varying the modula

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14

Nugrahanto, Indrawan. "PERANCANGAN VARIABLE FREQUENCY DRIVE (VFD) SATU PHASA DENGAN MENGGUNAKAN METODE SINUSOIDA PULSE WIDTH MODULATION BERBASIS MIKROKONTROLER." E-Link: Jurnal Teknik Elektro dan Informatika 17, no. 2 (2022): 32. http://dx.doi.org/10.30587/e-link.v17i2.4497.

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Pada jurnal yang kami buat saat ini memiliki tujuan untuk mendesain sebuah rangkaian Variable Frequency Drive (VFD) satu phasa, yang mampu menghasilkan keluaran tegangan AC dan frekuensi yang dapat diubah-ubah dengan masukan dari sumber tegangan AC 220V 50Hz. Rangkaian VFD merupakan implementasi dari sebuah rangkaian Inverter satu phasa, diode Full-bridge rectifier digunakan untuk mengubah tegangan AC menjadi tegangan DC yang selanjutnya tegangan DC akan dirubah kembali menjadi tegangan AC dengan frekuensi yang dapat diubah-ubah yaitu menggunakan rangkaian Full-bridge Inverter. Metode Unipolar

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15

R, Ramamoorthi, and Suresh R. "Design of Single-Phase Sine PWM Inverter." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 07 (2025): 1–9. https://doi.org/10.55041/ijsrem51569.

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Abstract - The primary objective of designing this project is to minimize the harmonic reduction of the inverter output voltage. A microcontroller based on an advanced technology to generate a sine wave with fewer harmonics, less cost and a simpler design. The technique used is the sinusoidal pulse width modulation signal (SPWM) which is generated by microcontroller(Arduino).The designed inverter is tested on various AC loads and is essentially focused upon low power electronic applications such as a lamp, a fan and chargers etc. This project is designed and simulation of single-phase inverter

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16

Yang, Min Sheng, and Si Guo Zhu. "A New Modulation Method Based on Current Hysteresis Control for Cascaded H-Bridge Inverter." Advanced Materials Research 588-589 (November 2012): 393–96. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.393.

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This paper puts forward a current hysteresis control method suitable for cascaded H-bridge inverter. It has the following characteristics : The control method is similar to unipolar SPWM modulation for a single H bridge.It is simple for pulse generator and can effectively reduce the switching losses; The phase-shifted control pulse for multi H bridges of a phase with current hysteresis control can be generated which is similar to the phase shift SPWM by dynamically adjusting the width of hysteresis to keep power device switching frequency constant; It retains fast response, internal current li

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17

Sabillah, Rizal, Fathoni Fathoni, and Agus Pracoyo. "Modul Inverter Sinusoidal Pulse Width Modulation(Spwm) Unipolar Satu Fasa." Jurnal Elektronika dan Otomasi Industri 8, no. 1 (2021): 42. http://dx.doi.org/10.33795/elk.v8i1.226.

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18

Aihsan, M. Z., A. M. Yusof, N. I. Ahmad, et al. "Performance Analysis of Unipolar SPWM Inverter: Resistive load and Inductive load." IOP Conference Series: Materials Science and Engineering 932 (December 18, 2020): 012074. http://dx.doi.org/10.1088/1757-899x/932/1/012074.

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19

Farhana Abdul Hamid, Nurul, Muhammad Alleef Abd Jalil, and Nor Syafiqah Syahirah Mohamed. "Design and simulation of single phase inverter using SPWM unipolar technique." Journal of Physics: Conference Series 1432 (January 2020): 012021. http://dx.doi.org/10.1088/1742-6596/1432/1/012021.

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20

Han, Xiao Min, and Lin Zhao. "Research of Single-Phase Two-Stage Photovoltaic Grid-Connected Inverter." Advanced Materials Research 655-657 (January 2013): 1571–75. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.1571.

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In order to meet the needs of different occasions for the low power photovoltaic grid-connected inverter, designed a single phase 3KW two stage photovoltaic grid-connected inverter. DC - DC link used an improved ZVT- Boost circuit to achieve maximum power point tracking (MPPT) control of the panels, DC-AC link used frequency doubling unipolar SPWM control to ensure the full-bridge inverter circuit output current waveform distortion rate minimum, at the same time to achieve the highest efficiency.

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21

Xiao, Gong*. "RESEARCH ON MODULATION STRATEGY OF CASCADED STATCOM BASED ON CPD-SPWM." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 6 (2016): 33–39. https://doi.org/10.5281/zenodo.54647.

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For multi-level structure , PWM technology is one very critical aspect, it relates to the quality and efficiency of the system output voltage cascaded STATCOM. Based on the principle of multiple modulation strategies analyzed and compared, including vertical carrier phase shift modulation, the carrier level phase shift modulation technique, the unipolar vertical multiplier carrier phase shifting CPD-SPWM technique as Cascaded STATCOM modulation techniques. Vertical carrier modulation technique can make STATCOM relatively low switching frequency to achieve a relatively high equivalent switching

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22

Sadeq, Murtadha, and Hanan A. Akkar. "FPGA-Based Single-Phase PV Inverter Using Unipolar and Bipolar SPWM Control Techniques." Engineering and Technology Journal 40, no. 2 (2022): 386–95. http://dx.doi.org/10.30684/etj.v40i2.2239.

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23

Alhamrouni, Ibrahim, N. Zainuddin, Mohamed Salem, Nadia H. A. Rahman, and Lili Awalin. "Design of single phase inverter for photovoltaic application controlled with sinusoidal pulse width modulation." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 2 (2019): 620. http://dx.doi.org/10.11591/ijeecs.v15.i2.pp620-630.

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<p>The application of fossil fuels likes coal, oil and gas gives the enormous environmental impact and hazardous effects to the earth. Hence, renewable energy has become the most tremendously friendly methods to generate the electricity without pollution and emissions. Inverter is a power electronics device which is used to convert Direct Current (DC) into Alternating Current (AC). The conventional inverter no longer fulfills the requirement of reducing harmonic distortions plus it causes global warming and greenhouse effect. For increasing the efficiency and reliability of the system, t

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24

Barrera Leguizamón, Daniel Mauricio, Jeimy Carolina Sanabria Rojas, and Diego Andrés Bautista López. "Design and implementation of a CSI inverter with unipolar SPWM modulation and PR controller for lineal loads." DYNA 88, no. 219 (2021): 85–93. http://dx.doi.org/10.15446/dyna.v88n219.93100.

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This paper presents a detailed implementation of a current source inverter using unipolar sinusoidal pulse width modulation. This method is uncommon in these types of inverters and the semiconductor devices, integrated circuits, sensors, and filters used in conjunction with the TMS320F28379D microcontroller will be discussed. The inverter was tested in both an open and closed loop with a proportional resonant controller. Satisfactory results in terms of the harmonic distortion factor at the voltage output and the regulation indices for lineal loads were obtained. The response circuit demonstra

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25

Sunhare, Mayuri, Mayank Sunhare, and Dr Chandrakant Sharma. "Simulation-Based Analysis of a Stand-Alone PV System Integrating Cuk Converter and Single-Phase SPWM Inverter." International Journal of Emerging Science and Engineering 13, no. 8 (2025): 7–13. https://doi.org/10.35940/ijese.h2613.13080725.

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This paper presents a simulation-based analysis of a standalone 1 kW photovoltaic (PV) energy system that integrates a Cuk DC–DC converter and a single-phase SPWM inverter for delivering high-quality AC output to residential and rural loads. The main objective is to enhance the efficiency and power quality of PV-based standalone systems through an optimized power conversion and control approach. To achieve this, the proposed system incorporates a Cúk converter configured with a digital Perturb and Observe (P&O) Maximum Power Point Tracking (MPPT) algorithm. This algorithm continuously adju

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26

Xiao, Hua F., Ke Lan, and Li Zhang. "A Quasi-Unipolar SPWM Full-Bridge Transformerless PV Grid-Connected Inverter with Constant Common-Mode Voltage." IEEE Transactions on Power Electronics 30, no. 6 (2015): 3122–32. http://dx.doi.org/10.1109/tpel.2014.2331367.

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27

Yiqiao Liang and C. O. Nwankpa. "A new type of STATCOM based on cascading voltage-source inverters with phase-shifted unipolar SPWM." IEEE Transactions on Industry Applications 35, no. 5 (1999): 1118–23. http://dx.doi.org/10.1109/28.793373.

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28

David, Akuhwa T., Tingir T. James, and Peter A. Akor. "Simulation of a Single Phase Inverter with Unipolar Voltage Switching Using Sinusoidal Pulse Width Modulation (SPWM) Technique." International Journal of Advances in Scientific Research and Engineering 08, no. 01 (2022): 01–10. http://dx.doi.org/10.31695/ijasre.2022.8.1.1.

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29

A., Razi, Nabil Hidayat M., N. Seroji M., and Z. Mohammad Noor S. "A novel single-stage PWM microinverter topology using two-power switches." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 2 (2020): 792–800. https://doi.org/10.11591/ijpeds.v11.i2.pp792-800.

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This paper presents a novel single-stage microinverter topology using only two-power switches. The number of components count are directly proportional to the power losses, weight, cost and complexity of the design. Nowadays, conventional Microinverter without transformer having minimum of six power switches, while only three power switches involved in a Microinverter structure with the presence of a transformer. Thus, this paper proposed a novel Microinverter topology with only two-power switches to convert DC-voltage from Photovoltaic (PV) module to an AC-output. Modes of operation and curre

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30

Sugiono, Judi Prajetno. "Single Phase Variable Frequency Drive (VFD) Inverter menggunakan Arduino ATmega328." Industrial & System Engineering Journals (ISEJOU) 2, no. 2 (2024): 191–200. http://dx.doi.org/10.37477/isejou.v2i2.628.

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Kehidupan manusia saat ini adalah kehidupan yang lebih baik dan akan menjadi lebih baik.Fenomena ini muncul akibat terjadinya percepatan teknologi yang menghasilkan pemenuhan kepentingan. Termasuk Kebutuhan listrik menjadi semakin kritis, peningkatan kapasitas maupun peningkatan efisiensi (dalam banyak indicator) harus diperjuangkan. Akan tetapi Potensi kehilangan daya listrik mungkin sekali ikut membesar mengingat tegangan yang diberikan adalah tegangan tinggi sedangkan beban menggunakan tegangan rendah – dibutuhkan konversi tegangan; Pengadaan peralatan dari desain awal sudah seharusnya memp

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Salem, Ali, and Khaled Sedraoui. "Highly Efficient Transformerless Inverter with Flying-Capacitor Buck–Boost for Single-Phase Grid-Connected PV Systems." Applied Sciences 11, no. 22 (2021): 10841. http://dx.doi.org/10.3390/app112210841.

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Grid-connected inverters (GCI) are commonly used in PV system applications to generate a regulated AC current to feed into the grid. Transformerless inverters are the most advanced inverters that are used in industry, which provide efficiency with smaller size and lower cost. This paper proposes a grid-connected single-phase transformerless inverter with the technology of common ground and the virtual DC bus concept. In this topology, the grid neutral is connected directly to the PV ground, which generates a constant common mode voltage (CMV), thus leading to the elimination of the leakage cur

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Razi, A., M. Nabil Hidayat, M. N. Seroji, and S. Z. Mohammad Noor. "A novel single-stage PWM microinverter topology using two-power switches." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 2 (2020): 792. http://dx.doi.org/10.11591/ijpeds.v11.i2.pp792-800.

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This paper presents a novel single-stage Microinverter topology using only two-power switches. The number of components count are directly proportional to the power losses, weight, cost and complexity of the design. Nowadays, conventional Microinverter without transformer having minimum of six power switches, while only three power switches involved in a Microinverter structure with the presence of a transformer. Thus, this paper proposed a novel Microinverter topology with only two-power switches to convert DC-voltage from Photovoltaic (PV) module to an AC-output. Modes of operation and curre

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33

Szerszeń, Grzegorz, and Damian Zygadło. "Three-phase inverter with a variable control algorithm." Science, Technology and Innovation 14, no. 3 (2021): 1–11. http://dx.doi.org/10.5604/01.3001.0015.6741.

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The paper presents the construction of a three-phase frequency converter with the possibility of choosing the type of PWM modulation and a smooth change of the frequency of the modulated signal. In a practical way, various inverter control algorithms were implemented in the same hardware system using the STM ARM Cortex M3 processor. The use of THIPWM modulation allowed to reduce the harmonic content in the output signal and effectively use the possibilities of the power source. The system can choose one of two scalar control algorithms, with the option of compensation for the influence of the

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34

Chen, Weimin, Shengnan Xia, and Kefeng Yin. "The current status and development of DC/AC inverter technology." Highlights in Science, Engineering and Technology 43 (April 14, 2023): 527–36. http://dx.doi.org/10.54097/hset.v43i.7473.

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The advantages, applications, and development trends of DC/AC inverter technology are compared with conventional inverter technology. The traditional DC/AC inverter technology of the low-frequency link inverter process has been gradually replaced by the high-frequency band inverter process. The replacement of the industrial frequency transformer in the low-frequency link inverter process technology with a high-frequency transformer further optimizes and improves the low-frequency link inverter process technology and significantly enhances the characteristics of the inverter. In this paper, som

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35

Adamas-Pérez, Heriberto, Mario Ponce-Silva, Jesús Darío Mina-Antonio, Abraham Claudio-Sánchez, Omar Rodríguez-Benítez, and Oscar Miguel Rodríguez-Benítez. "A New LCL Filter Design Method for Single-Phase Photovoltaic Systems Connected to the Grid via Micro-Inverters." Technologies 12, no. 6 (2024): 89. http://dx.doi.org/10.3390/technologies12060089.

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This paper aims to propose a new sizing approach to reduce the footprint and optimize the performance of an LCL filter implemented in photovoltaic systems using grid-connected single-phase microinverters. In particular, the analysis is carried out on a single-phase full-bridge inverter, assuming the following two conditions: (1) a unit power factor at the connection point between the AC grid and the LCL filter; (2) a control circuit based on unipolar sinusoidal pulse width modulation (SPWM). In particular, the ripple and harmonics of the LCL filter input current and the current injected into t

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Zheng, Yingjuan, Chejiacheng Lin, and Guangnu Fu. "High-performance Single-phase AC Electronic Load Design based on Active PFC and SPWM Control Strategy." Frontiers in Computing and Intelligent Systems 13, no. 1 (2025): 17–22. https://doi.org/10.54097/4mrwk227.

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Aiming at the problems of low simulation accuracy, slow dynamic response speed and poor grid-connected current quality in the current single-phase AC electronic load, this design deeply studies the efficient main power topology and load simulation strategy with fast dynamic response and low steady-state error. Based on the STM32F103C8T6 single-chip microcomputer platform, the system adopts the active power factor correction (APFC) dual-loop control strategy and unipolar modulation method to significantly improve the response speed of the system and reduce the steady-state error. In order to ac

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Abu, Bakar Afarulrazi, Balarajan Sannasy, Hazwaj Mhd Poad, Tharnisha Sithananthan, Wahyu Mulyo Utomo, and Nor Farisha Diana Rosli. "Digitally fast synchronization of single-phase grid-tied inverter using FPGA." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 4 (2024): 2452–61. https://doi.org/10.11591/ijpeds.v15.i4.pp2452-2461.

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As interest in alternative energy sources grows, grid-connected inverters are getting more advanced. Thus, to synchronize the output waveform of an inverter with the grid supply system, the frequency and phase angle ought to be consistent. This paper presents an enhanced digital implementation controller for a grid-connected inverter using the sinusoidal pulse-width modulation (SPWM) switching technique via an appropriately designed low-pass filter. The main contribution of the proposed digital controller algorithm is to synchronize with the grid for the next half-cycle. The proposed control t

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Catalbas, Nurbanu, Ahmet Gungor Pakfiliz, and Gokhan Soysal. "Multilevel Aircraft-Inverter Design Based on Wavelet PWM for More Electric Aircraft." Energies 17, no. 9 (2024): 2054. http://dx.doi.org/10.3390/en17092054.

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This paper proposes a comprehensive power system designed for the use of a more electric aircraft power distribution system. Instead of traditional Nicad battery solutions as the energy source of the aircraft power system, lithium battery structures, which are a recent and promising solution in the field of aviation power systems, are modeled and analyzed. In this study, a WPWM-based, single-phase, multi-level pure sine wave static aircraft-inverter system is designed and integrated to improve the performance of conventional aircraft power systems. In the designed power system, a boost convert

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Biswas, Mohua, Shuvra Prokash Biswas, Md Rabiul Islam, Md Ashib Rahman, Kashem M. Muttaqi, and S. M. Muyeen. "A New Transformer-Less Single-Phase Photovoltaic Inverter to Improve the Performance of Grid-Connected Solar Photovoltaic Systems." Energies 15, no. 22 (2022): 8398. http://dx.doi.org/10.3390/en15228398.

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Photovoltaic (PV) energy systems have found diverse applications in fulfilling the increasing energy demand worldwide. Transformer-less PV inverters convert the DC energy from PV systems to AC energy and deliver it to the grid through a non-isolated connection. This paper proposes a new transformer-less grid-connected PV inverter. A closed-loop control scheme is presented for the proposed transformer-less inverter to connect it with the power grid. The proposed transformer-less inverter reduces extra leakage current and holds the common-mode voltage at a constant point. To eliminate extra leak

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Ahmad Putra, Zindhu Maulana, Anggara Trisna Nugraha, Yuning Widiarti, Wafiq Safaroz, and Rama Arya Sobhita. "Design of Unipolar Pure Sine Wave Inverter with Spwm Method Based On Esp32 Microcontroller As a Support of The Ebt System On Ship." E3S Web of Conferences 473 (2024): 01008. http://dx.doi.org/10.1051/e3sconf/202447301008.

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Along with developments in the maritime sector, especially on ships, the need for electric power on board will be very diverse. The use of diesel engines as power plants requires fuel to drive a diesel while the use of fuel in ships produced from petroleum processing is limited. Efforts to reduce the use of fuel is by implementing new renewable energy as independent electricity on ship. In EBT inverter technology plays an important role in converting DC voltage to AC voltage. In the inverter, the use of microcontrollers as drivers to generate PWM signals continues to develop. One of the develo

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Villalobos, Ricardo, Héctor López, Nimrod Vázquez, Roberto V. Carrillo-Serrano, and Alejandro Espinosa-Calderón. "Cavitation Detection in a Tonpilz-Type Transducer for Active SONAR Transmission System." Journal of Marine Science and Engineering 11, no. 7 (2023): 1279. http://dx.doi.org/10.3390/jmse11071279.

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The active sound navigation and ranging (SONAR) transmission system emits acoustic pulses underwater using a wave generator, a SONAR power amplifier (SPA), and a projector. The acoustic pulse travel in the direction of the target and return as an echo to a hydrophone to learn the range or speed of the object. Often the same device is used as a hydrophone and a projector; in this context, it is known as a transducer. In order to obtain a maximum range of detection in the SONAR, it is desirable to generate the maximum amount of acoustic power until the point in which the echo can be detectable i

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Xing, Fuzhen, and Byung-Il Kwon. "Design of a Rotary-Linear Motor With Unipolar SPM and Voice Coil Structure." IEEE Access 8 (2020): 150291–300. http://dx.doi.org/10.1109/access.2020.3016646.

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Yılmaz, Serdar, and Hüseyin Yıldız. "Bipolar ve Unipolar SPWM Tekniklerinin Düşük Maliyetli Sistemlerde Deneysel İncelenmesi." Düzce Üniversitesi Bilim ve Teknoloji Dergisi, September 10, 2023. http://dx.doi.org/10.29130/dubited.1259818.

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Doğru akımı (DC) alternatif akıma (AC) dönüştüren invertör tasarımları, kullanım alanına bağlı olarak maliyet, gürültü ve ayarlanabilirlik gibi farklı özelliklerde sistemlere ihtiyaç duymaktadır. Duruma özel uygulamalarla birlikte düşük maliyetli invertör sistemleri ve algoritma tasarımları ile ilgili çalışmalar artmaktadır. Çalışmada düşük maliyetli Mega2560 mikrodenetleyici ve BTS7960S motor kontrol kartı kullanılarak bipolar ve unipolar Sinüzoidal Darbe Genişliği Modülasyon (SPWM) teknikleri deneysel olarak araştırılmış, indüksiyon motoru kontrolü ve hız değişimine etkisi incelenmiştir. Den

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Polat, Umutcan, and Deniz Yıldırım. "Analysis and Compensation of Dead Time Harmonics Based on Time Compensation Strategy in the Single-Phase Full-Bridge Inverters." Balkan Journal of Electrical and Computer Engineering, January 8, 2024. http://dx.doi.org/10.17694/bajece.1349231.

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A short period, called dead time, is implemented to prevent power switching devices from shoot-through in voltage-source inverters (VSI). While adding dead time is required in the switching signals, it also causes negative effects on inverter operation such as distortion at output voltage due to significant number of harmonic components, and reduction in voltage magnitude of fundamental components. Eventually, the negative effects caused by dead time have to be compensated with compensation schemes. Different modulation schemes, which are called unipolar and bipolar switching, can be implement

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L., Ashok Kumar, and Kumaravel R. "Modified unipolar SPWM inverter for solar PV applications using MATLAB/Simulink model interfaced with dSPACE DS1104." Circuit World, September 20, 2022. http://dx.doi.org/10.1108/cw-07-2020-0165.

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Purpose The purpose of this paper is to check the Solar Photovoltaic (PV) inverter working condition with modified unipolar switching pulse. The gate pulse for the inverter switches is generated in MATLAB simulation and interfaced with hardware protype. Simulation results can be compared with hardware results. Design/methodology/approach A considerable amount of research has been done on different Pulse Width Modulation (PWM) techniques. Based on the findings, a modified Unipolar Sinusoidal PWM technique was created with one reference signal and two carrier signals+ (one for the positive half

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Rao, Sulake Nagaraja, Praveen Kumar Varanasi, Suresh Kumar Anisetty, and Budagavi Matam Manjunatha. "Implementation of cascaded H-bridge DC-link inverter for marine electric propulsion drives." Energy Harvesting and Systems, October 27, 2022. http://dx.doi.org/10.1515/ehs-2022-0049.

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Abstract This paper presents a single-phase seven level Cascaded H-Bridge DC-Link (CHBDCL) inverter for marine electric propulsion drives. The speed of propulsion drive can be changed by CHBDCL inverter by converting DC output from the rectifier to variable output voltage with or without change in frequency. The proposed CHBDCL inverter generates more output voltage with minimum harmonic content than classical Multilevel Inverters (MLIs). The CHBDCL inverter necessitates only ‘m + 3’ power devices for ‘m’ number of levels, although the classical MLIs requires ‘(2m − 1)’ power devices. CHBDCL i

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Manimekalai, P., R. Hari Kumar, and S. Raghavan. "Enhancement of Fuzzy Controlled Photovoltaic–Diesel System With Battery Storage Using Interleaved Converter With Hybrid MPPT for Rural Home." Journal of Solar Energy Engineering 137, no. 6 (2015). http://dx.doi.org/10.1115/1.4031514.

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Hybrid energy systems normally comprise photovoltaic (PV) modules, diesel generator, a DC–DC converter with maximum power point tracking (MPPT) control, a DC–AC inverter with pulse width modulation (PWM) controller and storage system. In this paper, interleaved converter with an hybrid perturb and observe (P&O) fuzzy MPPT technique was proposed to enhance the effectiveness of the hybrid system. The enactment of unipolar sinusoidal pulse width modulation (SPWM) technique and proportional integral (PI) controller enhances the performance of bidirectional H-bridge inverter by getting rid of l

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Raut, Ashish, and Sneha Tibude. "Performances of Photovoltaic System Using Grid Tied Transformerless Inverter." International Journal of Advanced Research in Science, Communication and Technology, August 12, 2021, 287–92. http://dx.doi.org/10.48175/ijarsct-1849.

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In order to eliminate the common-mode (CM) leakage current in the transformer less photovoltaic (PV) systems, the concept of the virtual dc bus is proposed in this paper. By connecting the grid neutral line directly to the negative pole of the dc bus, the stray capacitance between the PV panels and the ground is bypassed. As a result, the CM ground leakage current can be suppressed completely. Meanwhile, the virtual dc bus is created to provide the negative voltage level for the negative ac grid current generation. Consequently, the required dc bus voltage is still the same as that of the full

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Peng, Fan, Guohua Zhou, Nengmou Xu, and Siya Gao. "Zero Leakage Current Single-Phase Quasi-Single-Stage Transformerless PV Inverter with Unipolar SPWM." IEEE Transactions on Power Electronics, 2022, 1. http://dx.doi.org/10.1109/tpel.2022.3180287.

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