Inspeksi dan Pengukuran Gardu Distribusi

Summary

This video provides a detailed guide on inspecting and measuring a substation’s distribution network. Lukas Andri from the PLN unit in Bakitung region walks viewers through essential procedures, such as voltage and load measurements, neutral phase checks, and transformer inspections using tools like voltmeters, ammeters, and thermovision cameras. The video emphasizes safety, careful data recording, and thorough visual checks to ensure proper substation functionality. Ideal for those seeking insights into power distribution maintenance and substation inspections.

Takeaways

• 😀 The script is an instructional guide for conducting inspections of electrical distribution networks, focusing on transformer substations.
• 😀 The process begins with preparing essential tools such as forms for measurement, thermovision equipment, and communication radios.
• 😀 The first step in the inspection is to open the substation, check its condition, and prepare data for measurement.
• 😀 Voltage measurements are conducted at the substation by first testing phase-to-phase voltage using a voltmeter. Safety is emphasized during this procedure.
• 😀 The next step involves measuring the neutral voltage and recording the results in a form for proper documentation.
• 😀 After voltage measurement, the inspector moves on to measuring the current at the substation using an ammeter to determine the load.
• 😀 For each phase (R, S, T), current readings are taken and documented separately for accuracy.
• 😀 The inspector also measures the current for each of the four sub-circuits and records the readings to ensure proper functioning.
• 😀 The temperature of the transformer body and its connections is measured using thermovision equipment to detect potential overheating or faults.
• 😀 A visual inspection of the transformer, including checking for leaks or other damage, is performed to ensure the substation is in proper condition.
• 😀 After completing the inspections and data collection, the substation is carefully closed and locked, and the inspector prepares to move on to the next task.

Q & A

What tools are necessary for the substation inspection described in the script?

The necessary tools include measurement forms, a thermovision camera, communication radios, and an ammeter.

What is the first step in inspecting a substation according to the script?

The first step is unlocking the substation and checking its condition. Afterward, data recording forms are prepared for measurements.

How is the voltage measurement process carried out in the script?

Voltage is measured by using a voltmeter, first for phase-to-phase voltage, and then for the neutral voltage. Results are recorded after each measurement.

Why is safety emphasized during the voltage measurement process?

Safety is crucial because the equipment is high voltage. Proper precautions are needed to ensure that no harm occurs during the measurements.

How is current measured in the substation inspection?

Current is measured using an ammeter. It is placed in the circuit, and the readings for each phase (R, S, T) are recorded.

What is the purpose of using a thermovision camera in the inspection process?

The thermovision camera is used to measure the transformer body temperature and check for any hot spots in the connections, which could indicate problems such as overheating.

What are the specific things being visually inspected in the transformer?

The transformer body and its condition, including checking for leaks or mechanical damage, are visually inspected. The PHBTR condition is also checked.

How are the results of the inspection recorded?

The results are recorded in the measurement forms and inspection forms. Specific values for voltage, current, and transformer condition are noted.

What happens after all measurements and inspections are completed?

Once the measurements and inspections are completed, the substation is carefully closed and locked to secure it.

Why is it important to measure both the main circuit and the individual feeder circuits?

Measuring both the main circuit and the individual feeder circuits allows for a thorough understanding of the overall substation performance and ensures that any potential issues with specific feeders can be identified.