ABB 68602203 SKKH280/20EH Thyristor Diode Module Spare Kit

The ABB 68602203 is an official spare kit equipped with SKKH280/20EH thyristor-diode hybrid power module. It serves as a core power semiconductor component for medium and high-power converter equipment, supporting precise AC-DC power conversion and controlled rectification under heavy industrial load conditions.

This power module adopts high-stability silicon chip packaging with excellent thermal conductivity and surge resistance. It is widely used in generator excitation systems, medium voltage drives and power quality control equipment for routine maintenance, equipment retrofitting and spare parts replacement projects.

Main Specifications

• Brand: ABB
• Model: 68602203, Internal Module SKKH280/20EH
• Device Type: Thyristor / Diode Hybrid Power Module
• Rated Voltage: 2000 V
• Rated Current: 240 A
• Package Standard: Industrial standard power module housing
• Net Weight: Approximately 0.26 kg
• Heat Dissipation: Compatible with water-cooled and air-cooled radiator assembly
• Storage Temperature: -40°C ~ +125°C
• Application Matching: ABB medium and high power converter cabinet components

Core Functions

• Realize controlled rectification and bidirectional power conversion in converter circuits
• Adjust output voltage and current by controlling thyristor trigger firing angle
• Bear large transient impact current during equipment startup and load fluctuation
• Cooperate with driving board to generate stable excitation power for generators
• Integrated freewheeling diode to suppress circuit reverse voltage surges
• Low thermal resistance packaging ensures stable long-term continuous operation
• Support parallel installation to expand overall system power capacity
• Work as key power unit for active filtering and SVG power control equipment
• Standard interface for quick replacement inside power electronic cabinets
• Comply with industrial power equipment reliability and safety standards

Application Scenarios

• Thermal power plant generator static excitation control cabinet systems
• Metallurgical industry medium frequency power supply and rectifier equipment
• Oil & gas industry large motor medium voltage drive control units
• New energy station SVG, STATCOM power quality control converters
• Combined cycle power plant auxiliary power electronic rectification equipment
• Water treatment plant high-power adjustable power supply control cabinets
• Industrial energy storage bidirectional power conversion system projects
• ABB power converter cabinet aging module replacement and maintenance
• Heavy industry high-power rectifier and inverter equipment renovation
• Process industry power electronic equipment spare parts stocking projects