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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of Mathematical and Fundamental Sciences Journal of Engineering and Technological Sciences Proceeding of the Electrical Engineering Computer Science and Informatics
Pekik Argo Dahono
Institut Teknologi Bandung
Astronomy Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Mathematics Physics

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Journal : Journal of Mathematical and Fundamental Sciences

 1 
Minimisasi Riak Arus Keluaran Penyearah Daya-besaran dengan Menggunakan Filter Aktif Pekik Argo Dahono
Journal of Mathematical and Fundamental Sciences Vol. 31 No. 3 (1999)
Publisher : Institute for Research and Community Services (LPPM) ITB

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Abstract

Sari. Suatu metode baru untuk meminimisasi riak arus keluaran penyearah daya besar dengan menggunakan filter aktif diusulkan dalam tulisan ini. Karena filter aktif terhubung parallel dengan beban, maka kapasitas arus filter aktif yang diperlukan menjadi sangat kecil, yaitu sebesar riak arus yang akan dikompensasi. Selain itu, karena filter aktif dihubungkan seri dengan filter kapasitor yang ada, maka kapasitas tegangan filter aktif juga sangat kecil, yaitu sebesar riak tegangan yang dikompensasi. Teknik kendali filter aktif yang diusulkan dijelaskan dalam tulisan ini. Validitas metode yang diusulkan diuji dengan simulasi dan percobaanOutput Current Ripple Minimization of High-Power Rectifiers by using Active FilterAbstract. A new method to minimize the output current ripple of high-power rectifiers by using a dc active power filter is presented in this paper. Because the active filter is connected in paralled to the load, the current rating of the filter is very small, that is as small as the ripple which is going to be compensated. Moreover, because the active filter is series connected to the existing passive filter capacitor, the voltage rating of the active filter is also very small, that is as small as the voltage ripple which is going to be compensated. A control technique for the active filter is proposed in this paper. Validity of the proposed method is verified by simulated and experimental results.
A New Approach to Analysis of Inverter Currents Pekik Argo Dahono
Journal of Mathematical and Fundamental Sciences Vol. 30 No. 2 (1998)
Publisher : Institute for Research and Community Services (LPPM) ITB

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In this paper, a new approach to analysis of the average and rms currents in inverter switching devices and the rms value of the ripple component of inverter input current is presented. The proposed approach is based on the probability with which the inverter switching devices receive ON signals which can be obtained from the average value of the phase-to-dc midpoint voltages. As the knowledge of the exact switching pattern is not required, this approach is especially useful for inverters in which the exact switching patterns can not be predetermined. To show the general applicability of the proposed approach, the expressions for the average and rms currents in switching devices and the rms value of the ripple component of input current of three-phase hysteresis current-controlled and PWM inverters are derived. Experimental results are included to show the validity of the proposed method. Suatu Pendekatan Baru untuk Analisis Arus-arus InverterDalam makalah ini dipresentasikan, suatu pendekatan baru umtuk analisis arus rata-rata dan rms pada komponen-komponen switching inverter dan nilai rms riak arus masukan inverter. Pendekatan yang diusulkan berbasis pada peluang komponen-komponen switching inverter menerima sinyal ON yang didapatkan dari nilai rata-rata tegangan fasa keluaran. Karena pengetahuan detil tentang pola switching inverter tidak diperlukan, metoda yang diusulkan sangat cocok untuk analisis arus-arus pada inverter dengan pola switching yang tidak bisa ditentukan. Untuk menunjukkan luasnya daerah penerapan, persamaan-persamaan arus rata-rata dan rms komponen switching dan nilai rms riak arus masukan dari inverter yang menggunakan pengendali arus jenis hysteresis dan yang menggunakan pengendali PWM diturunkan. Hasil pengukuran disertakan untuk menunjukkan validitas metoda yang diusulkan.
Analisis Motor Tak Serempak Tiga-Fasa dengan Metoda Park Komplek Yanuarsyah Haroen; Pekik Argo Dahono
Journal of Mathematical and Fundamental Sciences Vol. 22 No. 1/2/3 (1989)
Publisher : Institute for Research and Community Services (LPPM) ITB

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Tulisan ini menyajikan analisis untuk kerja mesin listrik jenis non-salien. Analisis kwantitatif dilakukan dengan metoda Park d, q yang digeneralisasi, dengan menempatkan sumbu d, q pada sudut sembarang, untuk mencari bentuk umum persamaan Park komplek. Untuk menunjukkan bahwa teori ini berlaku umum dan dapat diterapkan pada hal khusus, maka diambil contoh pengasutan motor tak serempak dengan tegangan tiga-fasa sinusoidal dan inverter otonom tiga-fasa yang mencatu motor tak serempak. Persamaan listrik motor tak serempak yang dinyatakan dalam bentuk Park komplek menjadi lebih sederhana, sehingga penyelesainnya lebih mudah. Dari hasil simulasi dapat diketahui besaran listrik maksimum yang diperlukan dalam disain inverter dan motor listrik. Performance analysis of non-salient type of electrical machines is described in this paper. Based on the d-g Park's equations the general form, i.e. by placing the d-q axes at an arbitrary angle, of Park complex equations are derived. The general applicability of this theory is verified by two examples, i.e. the direct on line starting of asynchronous motor and the inverter fed asynchronous motor. It is shown in this paper that the performance equations of asynchronous machines in Park's complex form are simpler, and furthermore simplify the solution. Important design informations for inverter and electrical machines such as the peak values of electrical parameters are provided by the simulation results.
Co-Authors A.N. Afandi Andriazis Dahono Anwar Muqorobin Anwar Muqorobin Arwindra Rizqiawan Arwindra Rizqiawan Deni Deni Dessy Amirudin Een Taryana Estiko Rijanto Furqani, Jihad Gifari Iswandi Hasyim Hasyim, Gifari Iswandi Irham Fadlika Muqorobin, Anwar Muqorobin, Anwar Naqita Ramadhani Purwadi, Agus Ridha D. N. Aditama Rijanto, Estiko Sulistyo Wijanarko Wijanarko, Sulistyo Yanuarsyah Haroen