Sofyan Rifai Email & Phone Number

Bandar Lampung, Lampung, Indonesia

Planned and organized practicum sessions for undergraduate students, covering topics such as PLC hardware, ladder logic programming, sensor interfacing, and basic control theory.Served as a Laboratory Assistant for Basic Control Systems, conducting experiments on Pulse Width Modulation (PWM) and Proportional Integral Derivative (PID) Control for 126 students.Acted as a Laboratory Assistant for Advanced Control Systems, overseeing four experiments involving PLCs, relay systems, and touch, light, and sound control switches, guiding 40 advanced-level students.Troubleshooted and repaired PLCs, sensors, actuators, and other practicum equipment.

Tanjung Karang Pusat, Lampung, Indonesia

Collected and categorized data on medium voltage electricity distribution disruptions from 7 ULPs using SCADA results and coordination with UP2D, achieving a 98% success rate.Monitored and input daily data into the VCC (Virtual Command Center) and evaluated the performance data of technical service personnel to assess and improve service quality and technical performance at UP3 Tanjung Karang.Gathered data on the distance from GI (Main Distribution Substation) to Recloser PMCB GH equipment using PLN’s AMADIS software for each feeder as a standard installation evaluation material.Conducted a BCX project aimed at mapping locations with frequent medium voltage electricity distribution disruptions in 7 Customer Service Units (ULPs) including Natar, Kalianda, Sidomulyo, Teluk Betung, Way Halim, Karang, and Sutami.Performed maintenance and repairs on cubicles in the distribution system on both incoming and outgoing sides.

Ulubelu, Lampung, Indonesia

Monitored each component of the geothermal power plant, including steam pressure, FCO gas volume indicators, pneumatic valves, and condenser cooling water volume.Conducted temperature inspections at the DCS (Distributed Control System) control center to prevent overheating that could endanger the control system and connected components.Implemented the addition of monitors in the control room for the DCS system.Inspected sensors on the steam turbine to ensure accurate readings and optimal performance.Monitored and controlled the cooling water system to maintain proper operational temperatures, and performed maintenance on pneumatic valve components to ensure optimal functionality.

Bachelor Of Engineering - Be, Electrical And Control Technology, 3.62

High School Diploma, Natural Sciences