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Jurnal Penelitian
Published by Politeknik Penerbangan Surabaya
ISSN : 19786832     EISSN : 26225948     DOI : -
Core Subject : Education, Engineering,
Aerospace Engineering Education Electrical & Electronics Engineering Transportation
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Articles 3 Documents
 1 
Search results for , issue "9-17" : 3 Documents clear
The Analysis Of Lecturer Knowledge For Implementation To The Effective Classroom Meita Maharani
Jurnal Penelitian 9-17
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.362 KB) | DOI: 10.46491/jp.v2i1.105

Abstract

The purpose of this study was to implementation lecturers’ knowledge about effective classroom and their classroom practices for teaching English. It was also knowing the correspondence between lecturers’ knowledge and the practices. This study designed using qualitative case study approach. The data was obtained using multiple-choice typed test, observation checklist, and interview. The subjects were four English lecturers and their cadets as supporting subject. The data obtained was analyzed using interactive model proposed by Miles and Huberman. The data revealed that the subjects had variety of knowledge about classroom ; one of them had sufficient knowledge , another one showed average result and the other two were emerging. In their classroom practice, two lecturers performed effective classroom skill, but the other two showed average effort in managing their class. For the correspondence, it was found that there were three group of lecturers; the first group has sufficient knowledge and applied it simultaneously, the second group has average knowledge but applied it in more effective ways, and the third group has emerging knowledge and applied it likely to be the same as their knowledge in the classroom practice.
DESAIN ANTENA MIKROSTRIP RECTANGULAR ARRAY 2X1 UNTUK RADAR KAPAL Bambang Bagus; M. Andra Aditiyawarman; Nyaris Pambudiyatno; Yuyun Suprapto
Jurnal Penelitian 159-172
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46491/jp.v6i3.584

Abstract

Antena merupakan salah satu komponen vital dalam suatu pemancar atau penerima. Antena bekerja dengan mentransmisikan dan menerima gelombang elektromagnetik dari dan ke udara. Antena mikrostrip merupakan salah satu jenis antena yang saat ini sering diaplikasikan di beberapa peralatan sebagai salah satu antena alternatif dan inovasi antena dikarenakan proses fabrikasi yang mudah dan murah.Penelitian ini mencoba dan merealisasikan antena mikrostrip recatngular patch untuk radar kapal yang diketahui bekerja pada frekuensi S-Band (2.2 GHz) dengan mengikuti standarisisasi spesifikasi antena radar yang dibutuhkan. Substrat yang digunakan pada antena ini adalah FR-4. Pada penelitian kali ini, penulis akan mencoba untuk mendesain dan menganalisa kinerja antena mikrostrip patch rectangular menggunakan aplikasi CST Studio Suite 2019 sebagai salah satu bentuk media pembelajaran antena alternatif pada frekuensi 2.2 GHz dan diharapkan memiliki nilai parameter VSWR ≤ 2, dan nilai return loss ≤ 10 dB.
ANALISA MANFAAT PEMASANGAN CAPACITOR BANK UNTUK MEMPERBAIKI FAKTOR DAYA DAN MENGURANGI KERUGIAN DAYA DAN ENERGI LISTRIK DI POLITEKNIK PENERBANGAN SURABAYA Hartono Hartono; Heri Sudarmadji; Slamet Hariyadi; Rifdian IS; Siti Julaihah; M. Indra Martadinata
Jurnal Penelitian 159-170
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46491/jp.v7i2.919

Abstract

Electric power quality problems include line losses, voltage drops, and the amount of inductive reactive power consumed at load so the power factor is low. Power factor improvement in Politeknik Penerbangan Surabaya electrical system to 0,99 is expected to improve electric power quality by installing a setcapacitorsitor called Capacitor Banks that supply capacitive reactive power. Another benefit is that reduces the load on transformer Poltekbang Surabaya which is now approaching full load. To be able to repair the electric power supply is necessary to measure and calculate the inductive reactive power which can be compensated with witcapacitiveie reactive power by Capacitor Bank. After calculating the capacitor bank value, the location of the capacitor bank installation is then determined so that power improvements can be carried out effectively, The result shows that the compensation needed to improve the power factor on Poltekbang Surabaya is 300 kVAR divided into 5steps, each step requires a 50 kVAR capacitor

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