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1800 kW Class Braking Resistor System (DC 1800 V)

Designed for DC 1600 V class locomotive traction systems, this 1800 kW braking resistor assembly supports long-duration dynamic braking operation under continuous duty conditions.

The system adopts a multi-bank resistor configuration combined with a fully enclosed forced-air cooling motor assembly, ensuring stable thermal performance and reliable operation in railway environments.

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Key Specifications

  • Rated Power: 3 × 600 kW (1800 kW total)
  • Rated Voltage: DC 1600 V
  • Maximum Operating Voltage: DC 1800 V
  • Rated Current: 411 A
  • Resistance (20°C): 3 × 3.55 Ω
  • Maximum Element Temperature: up to 640°C
  • Cooling Mode: Forced air cooling

Cooling Motor System

  • Motor Rating: 30 kW
  • Nominal Voltage: 346 VDC
  • Continuous Duty (S1)
  • Enclosure: IP44
  • Insulation Class: H
  • Vertical mounting configuration

Design Features

  • Modular three-bank configuration
  • High-temperature alloy resistor elements
  • Fully enclosed external ventilation cooling design
  • Designed for long-time braking cycles

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