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Electric Power Equipment

Extra-high Voltage Substation Equipment by LS ELECTRIC

Youngin Energy Solutions has distribution rights for gas-insulated switchgears (GIS) and extra-high voltage transformers produced by LS ELECTRIC.

Gas-insulated Switchgear (GIS)
  • High stability
  • Rigorous quality control (ISO9001)
  • Eco-friendly processing
  • Convenient installation and maintenance
  • Compact design
Extra-high Voltage Transformer
  • Low-loss technology application
  • Optimal insulation structure application
  • Optimal cooling system implementation
Protection Relay by SEL

Youngin Energy Solutions supplies SEL relays, which occupies over 70% of the North American market,
and renews the KERI certification on a two-year basis in Korea.

1. SEL-487E / Transformer Protection Relay

Rapid detection of transformer faults

2. SEL-451 / Protection, Automation, and Bay Control System

Control function for electrical equipment

3. SEL-411L / Advanced Line Differential Protection, Automation,
and Control System

Protection for power transmission line systems and prevention of power outage

4. SEL-587Z / High-Impedance Differential Relay

Protection for core areas of electrical equipment /
Prompt recovery from failure and prevention of escalation / Generally used in 345kV substations

5. SEL-735 / Power Quality and Revenue Meter

Measurement of power generation and consumption at power stations and receiving facilities

6. SEL-751A / Feeder Protection Relay

Basic protective function / Generally used in power systems and distribution systems

Combined Transformer (M.O.F)

This product minimizes maintenance and maximizing the convenience of installation by patented Design

Combined Transformer(M.O.F)
  • Longer life cycle on hot and humid
  • Totally enclosed Design
  • Patented Expansion Booster
  • Cross Connection Prevented terminal
  • Minimized Welding Design
  • Certificated by KERI
Patented detail
  • Electrical Contact Joinning Assembly for Transformer
  • Pressure Control Apparatus of Transformer