Fast and Reliable Switching for Power Factor Correction
High-performance thyristor switches designed for rapid, contactless capacitor switching in dynamic APFC systems, ensuring optimal power factor and system longevity.
Our Thyristor Switches
Usha Capacitors, under the brand “USHA Electric,” offers advanced thyristor switches engineered for real-time power factor correction in industrial and commercial applications. These switches enable fast, zero-crossing switching of capacitors, eliminating the wear and tear associated with traditional contactor-based systems. Ideal for dynamic and fluctuating loads, our thyristor switches ensure precise power factor correction, reduced inrush currents, and enhanced capacitor life. Compliant with IEC standards and ISO:9001-2015 certified, our thyristor switches deliver reliability and efficiency in demanding environments.
Key Features
- Fast Switching: Response time <20 ms for instantaneous capacitor switching, ideal for dynamic loads.
- Zero-Crossing Switching: Minimizes inrush currents and voltage transients, protecting capacitors and systems.
- Contactless Operation: Eliminates mechanical wear, ensuring long-term reliability and low maintenance.
- High Durability: Designed for high switching cycles, supporting continuous operation.
- Thermal Management: Integrated cooling systems for stable performance under high loads.
- Compatibility: Seamlessly integrates with Usha Capacitors’ APFC panels and harmonic filter systems.
- Standards Compliance: IEC standards, RoHS, and ISO:9001-2015 certified.
Technical Specifications
- Voltage Range: 415 V to 800 V (customizable for higher voltages)
- Current Rating: 25 A to 200 A per module
- Switching Time: <20 ms
- Control Signal: 24 V DC or 230 V AC
- Protection: Overvoltage, overcurrent, and thermal protection
- Operating Temperature: 5°C to 50°C
- Enclosure: IP20-rated modules, suitable for panel integration
- Communication: Optional RS485 or Modbus for remote monitoring
Applications
- Thyristor-based APFC panels for dynamic power factor correction
- Industrial plants with fluctuating loads (e.g., steel, cement, textiles)
- Commercial buildings with variable frequency drives (VFDs)
- Renewable energy systems (solar and wind)
- Data centers and IT infrastructure
- Harmonic filter systems for power quality improvement
Why Choose Usha Capacitors?
With over 350 successful electrical turnkey projects delivered globally, Usha Capacitors is a trusted leader in energy management solutions. Our thyristor switches are designed for precision, durability, and seamless integration with APFC systems, ensuring optimal power quality and energy efficiency. Backed by a team of 125+ professionals and advanced manufacturing facilities, we deliver innovative and reliable solutions tailored to your needs. Contact us at delhi@ushacapacitors.com for expert advice or customized configurations.
