Deskripsi
Trigger Board
Model : SCR-V1.2
Product alias : IGBT protection board
Specifications : TM-II-CF.PCB
Material : composite material
Product application : IGBT protection
Scope of application : used for high voltage and high frequency pulse power supply system
Category: SCR firing/trigger control board for ESP rectifier systems
Brand : YINGLI ENVIRONMENTAL PROTECTION
Product overview :
The trigger board SCR-V1.2 is an important component . With the rapid development of electrostatic precipitator technology, the company is committed to technical updates on the performance and control methods of the high-voltage power supply. environmental protection and energy conservation, electrostatic precipitators have placed higher demands on their power supply equipment, requiring greater input corona power, high energy saving, high reliability, modularization, and efficient dust collection . controllers.
Specifications (typical for SCR trigger boards, to be confirmed with supplier):
• Input Supply: Low-voltage DC (commonly 15–24 VDC)
• Trigger Output: Gate pulses for SCRs (synchronized with AC input phase)
• Control Mode: Phase-angle control for rectifier transformer
• Protection Features:
• Over-voltage and over-current protection
• Synchronization with mains frequency
• Isolation between control and power circuits
• Signal Interface: Works with ESP controller mainboard (often paired with feedback boards like DZB-30)
Dimension & Weight:
• Dimensions: Approx. 120 × 90 mm (PCB size, varies slightly by batch)
• Weight: ~0.25–0.35 kg
Application:
• Primary Use:
• Electrostatic precipitators (ESP) in power plants, cement plants, steel mills, and paper mills
• Controls the firing angle of SCRs in the HV rectifier/transformer unit
• Function:
• Provides stable and synchronized SCR triggering
• Ensures smooth DC output for ESP charging electrodes
• Protects against misfiring and unstable operation
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