Schaltschränke

ELVAR – Elpro Low Voltage Aircooled Rectifier

ELVAR (Elpro Low Voltage Aircooled Rectifier) is a powerful and reliable solution for supplying energy to DC rail systems. Specifically developed for use in rectifier substations (GUW), ELVAR efficiently connects three-phase power supply systems to the DC networks of urban rail systems.

Function

ELVAR uses an innovative rectifier circuit featuring two six-pulse rectifiers connected in parallel on the secondary side of the three-phase transformer. Specific winding configurations create a twelve-pulse output voltage, significantly improving power quality across the network.

Advantages

  • Reduced Grid Disturbances – Minimizes harmonic distortion for a more stable power supply
  • Maximum Reliability – Durable, robust diode technology
  • Cost-Efficient – Optimized design ensures low operating costs
  • Efficient Performance – Consistent voltage quality for smooth rail operations

Technical Specifications

  • Rectifier Circuit: Two six-pulse rectifiers connected in parallel
  • Output Voltage: 12-pulse direct current
  • Main Components: High-quality diodes for maximum efficiency and durability
  • Application: Railway power supply for DC rail systems