Substation Electrical Technician
へんでんしょ でんき ぎじゅついん
Industry & Occupation
Classification
Summary
A technical position that monitors operations, inspects, and maintains high-voltage and extra-high-voltage equipment in substations to support stable power supply.
Description
Substation electrical technicians monitor operations and perform maintenance inspections on high- and extra-high-voltage electrical equipment such as transformers, circuit breakers, switchgear, and protective relays, and promptly execute recovery operations in the event of abnormalities. They perform regular insulation resistance measurements, ground resistance measurements, protective relay tests, remote monitoring via SCADA systems, and emergency fault analysis, carrying out work in accordance with safety regulations. The role demands a wide range of tasks, including 24/7 shift-based monitoring, planning and execution of maintenance schedules, and technical evaluations for equipment upgrades.
Future Outlook
With the introduction of renewable energy and the development of smart grids, demand for remote monitoring and automation technologies in substations is increasing. The advancement of equipment diagnostic technologies utilizing IoT and AI will further heighten specialization.
Personality Traits
Able to Respond Flexibly / Cautious and Attentive / Cooperative / High Safety Awareness / Strong Sense of Responsibility
Work Style
Mix of Indoor and Outdoor Work / Night Work / On-site Work / Shift Work / Team-based
Career Path
Apprentice Technician → Technician → Lead Technician → Power Company Chief Electrical Engineer → Equipment Management Department Head
Required Skills
Electrical Safety Regulations / Insulation Resistance Measurement / Operation and Monitoring of High-Voltage Receiving Equipment / Protective Relay Testing / SCADA Monitoring and Control System Operation
Recommended Skills
IoT Remote Monitoring / Reading English Technical Documents / Sensor Data Analysis / Smart Grid Technology
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because small measurement errors or procedural mistakes can lead to major accidents. |
| Problem Solving | Essential for identifying fault causes and performing recovery responses. |
| Stress Tolerance | High stress tolerance is required for recovery work during emergencies. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Since precise work is performed following prescribed procedures, accuracy is valued more than creativity. |
Related Qualifications
- Chief Electrical Engineer (Class 2)
- Electrician (First Class)
Aliases
- Substation Operator
- Substation Technician
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