Substation Maintenance Technician
へんでんきてんけんしゅうりこう
Industry & Occupation
Classification
Summary
Technician who inspects, maintains, and repairs substation equipment in transmission and distribution networks to support safe and stable power supply.
Description
Substation maintenance technicians target equipment such as transformers, circuit breakers, and switchgear installed in substations and distribution networks. They conduct inspection tasks including insulation withstand tests, temperature measurements, and dissolved gas analysis in oil to early detect deterioration or abnormalities, repair and adjust them to maintain power equipment reliability. They also engage in maintenance tasks such as equipment disassembly and cleaning, parts replacement, high-voltage testing, and control circuit adjustments, while implementing safety measures and record management in compliance with laws and standards. On-site work requires high-altitude operations, heavy machinery handling, and teamwork.
Future Outlook
Demand for renewal and maintenance of aging transmission and distribution infrastructure is on an increasing trend, making the securing of specialized technicians a challenge. Along with the introduction of new high-voltage equipment technologies, knowledge of automation and remote monitoring systems is also required.
Personality Traits
Attentive / Good Team Player / High Safety Awareness / Strong Sense of Responsibility
Work Style
Direct Commute / On-Site Stationed / Shift Work / Team Patrol Inspection
Career Path
Apprentice Technician → Substation Maintenance Technician → Senior Technician → Equipment Maintenance Technician → Equipment Management Manager
Required Skills
Dissolved Gas Analysis in Oil / High-Voltage Equipment Knowledge / Insulation Withstand Testing / Lockout-Tagout / Understanding of Electrical Circuits and Control Systems
Recommended Skills
Basic Knowledge of PLC and SCADA / Reading English Manuals / Vibration and Infrared Diagnosis / Welding and Metal Processing
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because even minute abnormalities must not be overlooked, as it directly relates to ensuring safety. |
| Physical Stamina & Endurance | Because it may involve heavy machinery handling, prolonged standing work, and high-altitude operations. |
| Problem Solving | Essential for identifying fault locations and devising recovery methods. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because work is mainly performed according to prescribed procedures. |
| Numerical & Quantitative Analysis | Because fieldwork experience is more central than advanced mathematical analysis. |
Related Qualifications
- First-Class Electrician
- High-Voltage Cable Diagnostic Technician
- Third-Class Electrical Chief Engineer
Aliases
- Substation Equipment Maintenance Worker
- Substation Maintenance Engineer
Related Jobs
- Distribution Line Worker
- Electrical Machinery and Equipment Maintenance Worker
- Equipment Maintenance Technician