RANCANGAN PEMASANGANAN UNINTERRUPTIBLE POWER SUPPLY DI BANDAR UDARA ABDULRACHMAN SALEH MALANG

Keandalan Airfield Lighting System (AFL) sangat penting dalam menjamin keselamatan operasional penerbangan. Di Bandar Udara Abdulrachman Saleh Malang, AFL memiliki catu daya cadangan berupa Generator Set (Genset) yang memerlukan waktu perpindahan 13–19 detik hingga sinkron dengan jaringan, serta terdapat potensi kegagalan Automatic Transfer Switch (ATS) maupun Genset sehingga berpotensi menyebabkan terputusnya suplai listrik AFL. Penelitian ini bertujuan menghasilkan rancangan pemasangan Uninterruptible Power Supply (UPS) untuk menjaga kontinuitas catu daya AFL. Metode yang digunakan adalah Research and Development (R&D) Level 1 yang berfokus pada penyusunan rancangan produk tanpa tahap pembuatan dan pengujian. Perancangan dilakukan melalui analisis kebutuhan beban, perhitungan kapasitas UPS dan peralatan pendukung, pemilihan peralatan, serta penyusunan Detail Engineering Design (DED). Hasil penelitian menunjukkan bahwa UPS online berkapasitas 100 kVA yang mampu memenuhi kebutuhan beban AFL prioritas tanpa waktu perpindahan saat terjadi gangguan sumber utama. Rancangan ini dapat dijadikan acuan teknis untuk meningkatkan keandalan sistem kelistrikan dan keselamatan operasional di Bandar Udara Abdulrachman Saleh Malang. // The reliability of the Airfield Lighting System (AFL) is essential to ensure the safety of airport operations, particularly during aircraft takeoff and landing. At Abdulrachman Saleh Airport, Malang, the AFL is supported by a Generator Set (Genset) as the backup power supply. However, the transfer process from the main power source to the Genset requires approximately 13–19 seconds to synchronize with the electrical network. In addition, potential failures of the Automatic Transfer Switch (ATS) or the Genset may interrupt the power supply to the AFL. This study aims to develop a design for the installation of an Uninterruptible Power Supply (UPS) to maintain the continuity of power supply to the AFL. The study employed the Research and Development (R&D) Level 1 method, which focuses on product design without prototype development or testing. The design process included load requirement analysis, UPS and supporting equipment capacity calculations, equipment selection, and the preparation of a Detail Engineering Design (DED). The results indicate that a 100 kVA online UPS is capable of supplying the priority AFL loads without transfer interruption during disturbances to the main power source. Therefore, the proposed design can serve as a technical reference for improving the reliability of the electrical system and enhancing operational safety at Abdulrachman Saleh Airport, Malang.