Electrical Staff (Railway Industry: Transmission Section)
でんきがかり（てつどうぎょう：そうでんく）
Industry & Occupation
Classification
Summary
Job involving operation and maintenance of substation equipment in the transmission section responsible for power supply to railway vehicles. Monitors transformers and circuit breakers, etc., conducts inspections, handles failures, and maintains safe power supply.
Description
Electrical Staff (Transmission Section) operate and monitor power equipment such as transformers, circuit breakers, and distribution boards at railway substations (transmission sections), achieving voltage conversion and stabilization of power supply. Routinely monitor voltage and current in the power system, perform AC/DC switching and circuit switching. Conduct maintenance tasks including monitoring of protective devices, periodic inspections, insulation resistance measurements, contact cleaning, oil replacement, and temperature measurements. In case of failure, quickly diagnose the cause and perform restoration work. 24-hour shift work, responding during nights, early mornings, or emergencies, supporting the essential power supply for railway operations.
Future Outlook
With improvements in railway safety and energy conservation, digitization of transmission equipment and introduction of remote monitoring systems are advancing. New skills such as AI-utilized predictive maintenance technologies will also be required. While labor shortages are a challenge in some areas, stable demand is anticipated.
Personality Traits
Attentive / Calm and composed / Cooperative / Strong sense of responsibility
Work Style
24-hour operation / Night shifts / On-site work / Shift work
Career Path
Electrical Assistant → Electrical Staff → Chief Electrical Staff → Power Management Technician → Equipment Management Position → Technical Department Manager
Required Skills
Basic Knowledge of Power Systems / Electrical Circuit Knowledge / Insulation Resistance Measurement / Protective Relay Test / Substation Equipment Operation
Recommended Skills
Electrical Circuit Diagram Reading / English Technical Document Reading / High-Voltage Equipment Maintenance / PLC Control Knowledge
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because it is necessary to not overlook subtle signs of abnormalities or fluctuations in numerical values. |
| Problem Solving | Because rapid cause investigation and response are required during failures. |
| Stress Tolerance | Because high stress tolerance is required for power outage responses and emergency restoration work. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Since tasks are performed based on prescribed procedures, originality is not greatly required. |
Related Qualifications
- First-Class Electrician
- Second-Class Electrician
- Third-Class Electrical Chief Engineer
Related Jobs
- Power Plant Operator
- Railway Electrical Maintenance Worker
- Substation Operator