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Suwarno Suwarno
Universitas Bunda Mulia
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Journal : Semesta Teknika

 1 
Robust Canonical Correlation Analysis on Leakage Current Behaviors of Geothermal Polluted Porcelain Insulators Waluyo, Waluyo; Sinisuka, Ngapuli Irmea; Suwarno, Suwarno
Jurnal Semesta Teknika Vol 12, No 2 (2009): NOVEMBER 2009
Publisher : Jurnal Semesta Teknika

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study presents the leakage current measurements results of three natural geothermal polluted porcelain insulators. The insulators consisted of one new-clean insulator, as reference, and three polluted insulators. The carried out measurements were leakage current and applied high voltage waveforms, used a two-channel storage digital oscilloscope, in a hermetically sealed chamber, where temperature, humidity, pressure and applied voltage amplitude could be adjusted and measured simultaneously. The leakage current waveforms were analyzed using the FFT and the statistical concerns were analyzed by the Fast-Minimum Covariance Determinant (FMCD) of robust multivariate statistical tools, and canonical correlation analysis (CCA). The result indicated that after the fundament, the second highest of harmonics leakage current were fifth harmonics. The leakage current waveforms were significantly influenced by humidity, besides pollution. The dependent or output variables are linear functions of independent or input variables. Based on CCA, the dependent parameters depended on input parameters tightly, with the canonical correlations were more than 0.99. The leakage current  amplitudes were still predominantly influenced by applied voltage amplitudes, where the phase angles and THD were slightly influenced by relative humidity. On these experimental measurements, the insulators were still in normal operation. 
Robust Canonical Correlation Analysis on Leakage Current Behaviors of Geothermal Polluted Porcelain Insulators Waluyo, Waluyo; Sinisuka, Ngapuli Irmea; Suwarno, Suwarno
Semesta Teknika Vol 12, No 2 (2009): NOVEMBER 2009
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v12i2.732

Abstract

This study presents the leakage current measurements results of three natural geothermal polluted porcelain insulators. The insulators consisted of one new-clean insulator, as reference, and three polluted insulators. The carried out measurements were leakage current and applied high voltage waveforms, used a two-channel storage digital oscilloscope, in a hermetically sealed chamber, where temperature, humidity, pressure and applied voltage amplitude could be adjusted and measured simultaneously. The leakage current waveforms were analyzed using the FFT and the statistical concerns were analyzed by the Fast-Minimum Covariance Determinant (FMCD) of robust multivariate statistical tools, and canonical correlation analysis (CCA). The result indicated that after the fundament, the second highest of harmonics leakage current were fifth harmonics. The leakage current waveforms were significantly influenced by humidity, besides pollution. The dependent or output variables are linear functions of independent or input variables. Based on CCA, the dependent parameters depended on input parameters tightly, with the canonical correlations were more than 0.99. The leakage current  amplitudes were still predominantly influenced by applied voltage amplitudes, where the phase angles and THD were slightly influenced by relative humidity. On these experimental measurements, the insulators were still in normal operation. 
Co-Authors A. Hairmansis A.A. Ketut Agung Cahyawan W Abdul Syani Agus Budiman Agusta Dian Ellina Ahmad Dadang Alanindra Saputra Alfian Fawzi Ali, Ramsah Ambarwati, AD Aprianto, Ronal Aris Hairmansis Auliyah, Khusnul Bambang Kustianto Bramantyo, Rizki Yudha Budi Koestoro Caribu Hadi Prayitno CH Prayitno, CH Dewi Puspita Dewi Puspita Sari Djarot Sadharto, Djarot Doso Sarwanto Dudung Dudung DWINITA WIKAN UTAMI E Hendarto, E Eko Hendarto Eni Wuryani Fardana, Anugerah Riski Furqaranda, Rastra Ganjar Subekti HAJRIAL ASWIDINNOOR Hanarida, I Hartono, Meilani Herpratiwi Herpratiw Hidayatun, Dinar Hindayati Mustafidah Ida Kurniawati, Ida Junun Sartohadi Kamaliah Kamaliah, Kamaliah Kusmiyati Kusmiyati kustono, alwan Maman A. Djauhari Maridi Maridi Marjono Marjono Miftahudin . Muhammad Amin Murfiah Dewi Wulandari Murti, Hary N, Dwi Ayu Nasution, Anggiani Ngapuli Irmea Sinisuka, Ngapuli Irmea Nugraheni Eko Wardani Nur Hidayat Nurrohmad, Edi Otto Fajarianto Pairulsyah Pairulsyah Parouli M. Pakpahan Permatasari, Pradina Andhin PUJI LESTARI Raya, Crisantus Lebu Riky Priangga Risna Esti Mugiawati Rohmat Fadludin Romadhon Romadhon Rosdianti, I Saddhono, Kundharu - Sajidan Sajidan Santoso, Andri Guna Saring Marsudi Setyowati, Ayu Siregar, Muhammad Imam Syarif Siti Masruroh Siti Nurani Siti Yuriyah SK Baidoo, SK Soedjajadi Keman Solihah, Ma'ratul Sri Dwiastuti Suberthi, Meta Sudiarto, Pramono Sunarto Sunarto Suranto Suranto Suryawati, Indah Susbiyani, Arik Susetyo Susetyo Sutomo Sutomo Syaiful . syarifah muthia putri, syarifah muthia T Rahardjo, T Teguh Pramono Tigor Sitorus, Tigor TR Sutardi, TR TRI PRABOWO Trikoesoemaningtyas Uswatun Chasanah Wahyuni, Niniek Waluyo Waluyo Wera Auliag Sistira Winda Hastuti, Winda YATIM RIYANTO Yulianto, Budi Yulinartati Yulinartati, Yulinartati Yuriyah, S Yusuf, Rizky Maulana Zulbahridar Zulbahridar, Zulbahridar