Overview
Reducing Failures and Energy Loss in Conventional Turnout Heating Systems
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Frequent electrical faults occur due to insulation degradation.
Repetitive failures were reported during winter seasons.
Conventional magnesia heating system causes high power consumption.
The proposed system applies insulated surface heating technology.
High-efficiency heating improves energy performance and reliability.
Core Competencies
Purpose
Development of an insulated surface heating system to prevent electrical faults and reduce energy consumption.
Insulation Structure
Insulation Structure
Insulation applied between heating plate and enclosure.
Thickness determined by thermal expansion characteristics.
Insulation thickness: 7~9㎛
Dielectric withstand voltage: 1,800V
Heating Element
Heating Element
Carbon-based composite heating element
Maximum operating temperature: 300~350°C.
Expected Benefits
Contributes to ESG management in railway operations by reducing carbon emissions
Installation and maintenance costs reduction compared to existing devices
15% power consumption reduction compared to existing devices
Certifications
TRL 8
Pilot implementation plan for operational lines (2026)
Contact
Korea Railroad Research Institute (KRRI)
Global Business Department
Dr. Taehoon Koh
E-mail: thkoh@krri.re.kr
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