Phase Control Thyristor SCR KK KP
TOPYRO’s high-power Thyristors (SCR) are the "beating heart" of our induction furnace power cabinets. Whether for Phase Control (KP series) or Fast Switching (KK series), our SCRs are engineered to withstand the rigorous voltage and current demands of 24/7 metallurgical operations. These components ensure the precise regulation and conversion of energy within our Series Resonant Power Supplies.
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Key Technical Features
- Superior Thermal Stability: Manufactured using advanced diffusion technology to ensure low on-state voltage drop and excellent heat dissipation, preventing thermal runaway during peak melting loads.
- High Voltage & Current Handling: Designed to operate reliably at voltages up to 3500V+ and currents up to 4000A+, making them ideal for high-capacity steel melting furnaces.
- Fast Switching Performance: Our KK Series (Fast SCRs) features optimized turn-off times (tqtq), critical for maintaining the efficiency of high-frequency induction heating and melting.
- Fiber-Optic Compatibility: Fully optimized for use with TOPYRO’s Fiber-Optic Triggering Systems, ensuring 100% stable signal transmission and zero electromagnetic interference.
Technical Specifications
| Model Series | Component Type | Rated Voltage (VDRM/VRRM) | Rated Current (IT(AV)) | Core Application |
|---|---|---|---|---|
| KP Series | Phase Control Thyristor | 400V - 4500V | 200A - 5000A | Rectification in MF Cabinets |
| KK Series | Fast Switching Thyristor | 400V - 3000V | 200A - 3500A | Inversion & Frequency Tuning |
| ZK Series | Fast Recovery Diode | 400V - 4500V | 200A - 4000A | Circuit Protection/Freewheeling |
Why Choose TOPYRO SCRs?
- Matched for Topyro Systems: Unlike generic parts, our SCRs are pre-validated to match the specific impedance and triggering requirements of Topyro induction furnaces.
- Extended Service Life: Rigorous burn-in testing ensures a lower failure rate and a longer lifecycle in harsh foundry environments.
- Global Spare Parts Support: As a turnkey provider, we maintain a complete inventory of matching SCRs for rapid replacement and zero downtime.
Core Strengths
Spare Parts
Casting Machines
Core Melting Equipment
Other Supporting Equipment
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