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RANCANG BANGUN SISTEM MONITORING BEBAN DAN INDIKATOR GANGGUAN PADA RUMAH MANDIRI BERBASIS MIKROKONTROLLER Donny Prasetyo Santoso; Indhana Sudiharto; Suryono Suryono
Prosiding SNST Fakultas Teknik Vol 1, No 1 (2015): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 6 2015
Publisher : Prosiding SNST Fakultas Teknik

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Abstract

Pengembangan pada sistem pembangkit energi tenaga surya saat ini berkembang sangat pesat. Tuntutan karena adanya keterbatasan sumber daya yang tidak dapat diperbaruhi,membuat panas dari matahari mulai digunakan sebagai  sumber listrik. Pada sistem kelistrikan rumah mandiri ini berasal solar cell sebagai sumber energi alternatif yang digunakan sebagai charging baterai/accu. Dari accu yang dipasang 3seri+3parallel dihasilkan tegangan maksimal sebesar 96 volt DC(Direct Current) atau arus searah. Sistem monitoring rumah mandiri ini menggunakan sensor tegangan dan sensor arus sebagai konversi nilai ADC agar bisa terbaca oleh mikrokontroller. Sistem yang dimonitoring adalah kondisi baterai,energi charging yang terpakai,energi yang terpakai pada beban dan sistem pengaman tegangan lebih dan tegangan jatuh yang berupa relay yang diatur menggunakan mikrokontroller,sehingga apabila terjadi gangguan pada sistem arus searah maupun sistem AC(Alternating Current) atau arus bolak-balik tidak sampai merusak beban arus searah yang berupa lampu LED dan  beban arus bolak-balik yang berupa kipas angin. Pada pengujian sensor arus,error terbesar dari perbandingan DC Supply dan pembacaan TFT(Thin Film Transistor) adalah 2,3% sedangkan pada sensor tegangan error terbesar adalah 2,2%. Kata kunci: Arus,kWh meter,Sistem Monitoring,Tegangan
Desain dan Simulasi UPS Multilevel Inverter Dengan Metode Modulasi Phase Disposition PWM Gede Patrianaya Margayasa Wirsuyana; Muhammad Nizar Habibi; Novie Ayub Windarko; Suryono Suryono
Semesta Teknika Vol 23, No 1 (2020): MEI 2020
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v23i1.8782

Abstract

Penelitian ini memaparkan hasil perancangan dan simulasi Uninterruptible Power Supply (UPS) yang berfungsi sebagai sumber energi cadangan ketika sumber energi utama beban padam. Rangkaian UPS ini terdiri dari baterai sebagai sumber energi, konverter DC-DC boost sebagai penaik tegangan dari baterai yang disertai dengan kontrol PI untuk menstabilkan tegangan keluaran konverter, dan multilevel inverter tipe dioda clamped dengan metode modulasi Phase Disposition PWM (PD-PWM) untuk mengubah tegangan DC menjadi tegangan AC yang dapat disuplai ke beban. Pada penelitian ini akan dibahas performa dari konverter DC-DC boost yang dilengkapi dengan kontrol PI dan diode clamped multilevel inverter dalam aplikasinya sebagai UPS yang digunakan untuk menyuplai beban. Hasil penelitian menunjukkan bahwa konverter boost DC-DC mampu menaikkan dan menstabilkan tegangan DC sebesar 339,71 volt dan multilevel inverter mampu mengubah tegangan DC menjadi tegangan AC sebesar 220,41 volt dan tegangan Total Harmonic Distortion (THD) 0,39222% yang dapat disuplai. ke beban sebagai pengganti sumber energi utama. Sistem UPS ini memiliki waktu peralihan 23 milidetik.This paper presents the results of the design and simulation of an Uninterruptible Power Supply (UPS) that functions as a backup energy source when the main energy source of the load goes out. This UPS circuit consists of a battery as an energy source, a DC-DC boost converter as a voltage booster from a battery that is accompanied by a Proportional-Integral (PI) control to stabilize the output voltage of the converter, and a diode clamped multilevel inverter with the Phase Disposition PWM (PD-PWM) modulation method to change the DC voltage into an AC voltage that can be supplied to the load. This research will discuss the performance of the DC-DC boost converter which is accompanied by PI control and diode clamped multilevel inverter in its application as a UPS that is used to supply loads. The results show that DC-DC boost converter is able to increase and stabilize DC voltages by 339.71 volts and multilevel inverters are able to convert DC voltages to AC voltages by 220.41 volts and Total Harmonic Distortion (THD) voltage of 0.39222% which can be supplied to the load as a substitute for the main energy source. This UPS system has a switching time of 23 milliseconds.
AC-DC PFC Converter Using Combination of Flyback Converter and Full-bridge DC-DC Converter Moh. Zaenal Efendi; Abdul Rizal; Aldi Erzanuari; Suryono .; Novie Ayub Windarko
EMITTER International Journal of Engineering Technology Vol 2 No 1 (2014)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6864.867 KB) | DOI: 10.24003/emitter.v2i1.21

Abstract

This paper presents a combination of power factor correction converter using Flyback converter and Full-bridge dc-dc converter in series connection. Flyback converter is operated in discontinuous conduction mode so that it can serve as a power factor correction converter and meanwhile Full-bridge dc-dc converter is used for dc regulator. This converter system is designed to produce a 86 Volt of output voltage and 2 A of output current. Both simulation and experiment results show that the power factor of this converter achieves up to 0.99 and meets harmonic standard of IEC61000-3-2.Keywords: Flyback Converter, Full-bridge DC-DC Converter, Power Factor Correction.
Rancang Bangun Elektronik Motor Relay sebagai Proteksi Berbagai Gangguan Motor Listrik Resi Dwi Jayanti Kartika Sari; Yahya Chusna Arief; Suryono Suryono
JASIEK (Jurnal Aplikasi Sains, Informasi, Elektronika dan Komputer) Vol 4, No 2 (2022): DESEMBER 2022
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jasiek.v4i2.8921

Abstract

The protection system against disturbances in induction motors has an important role in industry. In general, protection in electrical installations only uses MCB (Miniature Circuit Breaker) and fuses which can only protect against overcurrent and short circuits and there are still many kinds of important protection that have not been covered in it even though along with technological developments many electronic protection devices have been created. The purpose of this final project is to plan and manufacture electronic motor relays against over load, phase loss, phase reverse, phase unbalance, short circuit, ground fault, and locked rotor disturbances. The AVR microcontroller is used as a controller for all systems in detecting disturbances. Where the current setting range and trip time are programmed using the C language which is operated with a keypad and displayed on the LCD. As current and voltage sensing using current transformers and voltage transformers. As for sensing phase reverse, it takes the signal from the differential amplifier and forwards it to zero crossing, trigger and X-or. Testing the accuracy of the electronic motor relay is carried out in each fault. The data obtained shows that the microcontroller can be used as a precision analog voltage controller. This is because the AVR microcontroller has good features and is supported by adequate processor speed for use in this kind of application.