Muhammad Irwanto Misrun
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Preferred name
Muhammad Irwanto Misrun
Official Name
Muhammad Irwanto, Misrun
Alternative Name
Irwanto, Muhammad
Irwanto, M.
Misrun, Muhammad Irwanto
Irwanto, Muhamad
Misrun, M. I.
Main Affiliation
Scopus Author ID
57199152380
Researcher ID
DHD-5414-2022

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Analysis of AC voltage and current waveform distortion on SPWM transformerless photovoltaic inverter

2017-10-01 , Muhammad Irwanto Misrun , Hermansyah Alam , Mohd Yusoff Mashor , Mahrizal Masri , Haziah Abdul Hamid , Baharuddin Ismail , Butar-Butar A.H.

Normally, the low frequency (50Hz) inverter uses a transformer that is bigger in size, heavy and expensive. For reducing the size, weight and manufacturing cost, the SPWM TPVI is suitable, it can generate a sinusoidal AC waveform which is suitable for the long life of AC loads. This paper presents an analysis of AC voltage and current waveform distortion on sinusoidal pulse width modulation (SPWM) transformerless photovoltaic inverter (TPVI). The sinusoidal waveform is developed based on the SPWM technique by installing an LC filter at the end terminal of full bridge inverter. It is due to no optimum value of LC components and AC load, whereas the AC voltage and current waveform will be distorted. Thus, it is very important to analyze the distortion of AC voltage and current waveform.

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Analysis of an AC voltage waveform on changeover of transfer switch on photovoltaic powered uninterruptible power supply system

2017-10-01 , Hermansyah Alam , Muhammad Irwanto Misrun , Mahrizal Masri , Haziah Abdul Hamid , Butar-Butar A.H.

Normally, an uninterruptible power supply (UPS) system supplies to AC lands if the national utility grid fails to supply AC source to the AC loads. The UPS system stands on the national utility grid. It means that it can be operated only in the area or near the national utility grid.

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Optimum sizing of photovoltaic powered uninterruptible power supply system

2017-10-01 , Mahrizal Masri , Muhammad Irwanto Misrun , Hermansyah Alam , Haziah Abdul Hamid , Butar-Butar A.H.

Inverters installed in the photovoltaic (PV) powered uninterruptible power supply (UPS) system consist of battery and also PV module. An optimum number of PV module and battery should be considered to reduce costs and technical works. The PV powered UPS system is operated directly by the PV module, therefore, an optimization sizing of PV powered UPS system should be studied in terms of optimum PV module number that related to the power capacity of PV powered UPS system, solar radiation and temperature. This paper presents an optimum sizing of PV powered UPS system application. A mathematical modeling is created to obtain the optimum number of PV module and battery. The result shows that for 12V, 100W PV powered UPS system applying the 60W, 21V PV module, 12V, 100Ah battery, 700W AC load power, thus, the optimum number of PV module and battery are 20 modules and 5 pieces, respectively.

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Simulation of magnetic field density in solenoid generated by current of photovoltaic module based on solar irradiance and temperature

2017-10-01 , Butar-Butar A.H. , Leong J.H. , Muhammad Irwanto Misrun , Haziah Abdul Hamid , Mahrizal Masri , Hermansyah Alam

Normally, the magnetic field density in a solenoid is generated by a constant DC current source. A photovoltaic (PV) module is also a DC current source. The output current of PV module depends on the solar irradiance and temperature. The PV module generates a higher current on the constant temperature and higher solar irradiance. Inversely, it generates a lower current on the constant temperature and lower solar irradiance. Thus, it is important to study the output current of PV module related to the magnetic field in a solenoid. The daily data of solar irradiance and temperature are recorded by Vantage Weather Station Pro2 in Universiti Malaysia Perlis (UniMAP) throughout the year 2015. The performance of PV module (maximum peak point current) is simulated using PSpice software. The daily maximum peak point current of PV module is applied into a formulation of magnetic field density to obtain the daily maximum magnetic field density generated in a solenoid. The result shows that the higher maximum peak point current generated by PV module will produce the higher magnetic field density in a solenoid.

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