Suroso Suroso
Universitas Jenderal Soedirman

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A Different Single-Phase Hybrid Five-Level Voltage-Source Inverter Using DC-Voltage Modules Suroso Suroso; Agung Mubyarto; Toshihiko Noguchi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 12, No 3: September 2014
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v12i3.78

Abstract

This paper presents another circuit configuration of single-phase hybrid five-level voltage-source inverter obtained from the H-bridge inverter and DC-voltage modules. Some features are achieved by using the proposed inverter configuration such as its modular structure and minimum number of the power devices required to construct the inverter circuits. The proposed five-level inverter circuit is examined through computer simulation using PSIM software. Furthermore, laboratory experimental tests were also performed to verify the prototype of the proposed five-level inverter circuits. The computer simulation and experimental test results shows that the proposed hybrid five-level voltage source inverter works properly to generate a five-level voltage waveform and sinusoidal current with low harmonics contents.
Kelayakan Geosite dan Geomorphosite Kawasan Desa Wisata Limbasari sebagai Potensi Geowisata Desa Limbasari Huzaely Latief Sunan; Widhiatmoko Herry Purnomo; Nur Chasanah; Gito Sugiyanto; Tigar Putri Adhiana; Hesti Susilawati; Rani Aulia Imran; Akhmad Khahlil Gibran; Suroso Suroso; Teguh Cahyono; FX Anjar Tri Laksono
Indonesian Journal of Community Services Vol 2, No 2 (2020): November 2020
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/ijocs.2.2.109-117

Abstract

Desa Limbasari secara geografis terletak di Kecamatan Bobotsari Kabupaten Purbalingga. Desa Limbasari merupakan salah satu desa wisata yang baru di Kabupaten Purbalingga. Desa ini mempunyai potensi yang besar untuk dikembangkan sebagai destinasi wisata dalam segi wisata kebumian dan geoheritage. Daya tarik wisata yang ada berupa River Tubing, landscape pegunungan batuan gunung api yang terdapat batu jasper hijau “nogo sui”, dan situs kebudayaan prasejarah. Di samping itu keunikan budaya serta sejarah masyarakat juga menjadi daya tarik bagi masyarakat perkotaan. Tujuan dari pengabdian masyarakat adalah mengulas kelayakan geosite dan geomorphosite di Desa Limbasari sebagai sebuah solusi bagaimana memanfaatkan kekayaan geologi beserta berbagai dinamikanya untuk kegiatan wisata edukasi dan ekonomi yang berwawasan lingkungan. Metode yang digunakan adalah pemetaan potensi geologi sebagai kawasan wisata, inventarisasi pada lokasi yang mempunyai cagar budaya dan sejarah serta wawancara dengan pihak terkait dan studi literatur. Dari hasil kelayakan di kawasan wisata Limbasari mempunyai nilai kelayakan antara 47.5% - 73.5%. Dengan demikian, Kawasan Desa Wisata Limbasari, Kabupaten Purbalingga layak menjadi objek geowisata dengan aspek penilaian didasarkan pada nilai kuantifikasi berbagai keindahan antara alam dan proses geologi yang mengontrol terbentuknya obyek geowisata tersebut.Limbasari Village is geographically located in Bobotsari Subdistrict, Purbalingga Regency. Limbasari Village is one of the new tourism villages in Purbalingga Regency. This village has great potential to be developed as a tourist destination in terms of earth tourism and geoheritage. The tourist attractions are River Tubing, mountainous volcanic mountain landscape with green jasper stone "nogo sui", and prehistoric cultural sites. In addition, the cultural and historical uniqueness of the community is also an attraction for urban communities. The purpose of this study is to review the potential of Geotourism and geoheritage in the Village of Limbasari as a solution to how to utilize the rich geological and cultural sites along with various dynamics for educational activities that are environmentally friendly education and economy. The method used in this study is the mapping of geological potential as a tourist area, an inventory of locations that have cultural and historical reserves as well as interviews with relevant parties and literature studies. From the results of research in the tourist area Limbasari has a feasibility value between 47.5% - 73.5%. Thus, the Limbasari Tourism Village Area, Purbalingga Regency deserves to be a geotourism object with the assessment aspect based on the quantification value of various beauties between nature and the geological process that controls the formation of the geotourism object.