GE / BHA / PrecipTech Power Guard SQ-300 Automatic Voltage Control

The Power Guard SQ-300 is a microprocessor-based automatic voltage control system engineered for electrostatic precipitators. It manages voltage and current to maximize dust collection efficiency while minimizing power consumption through advanced spark response algorithms and real-time parameter optimization. ## Technical Specifications Control and Regulation • Automatic Voltage Control (AVC) technology for ESP field optimization • Patented spark response algorithm enabling rapid power restoration after spark events • Adjustable fast and search ramp rates for dynamic tuning • Automated I/E ratio selection to optimize current-to-voltage relationships • Adjustable background power settings for application-specific configuration • Enhanced back corona detection and control • kV min/max measurement and monitoring Analysis and Diagnostics • On-line waveform analysis evaluates T/R set efficiency and power quality • Diagnosis screen with problem warnings and corrective action suggestions • On-board trending of all SQ-300 parameters in real time • Historical alarm data logging and storage • V-I curve data point capture and storage • Over 20 status and alarm messages Display and Interface • Backlit LCD display with scratch-resistant coating • Six help menus and operating screens for operator guidance • Optional large color touch screen interface with V-I curve visualization, history logs, and alarm generation Performance Features • Increased average power delivery to the field through automated tuning • Energy management system maintains opacity below preset limits using minimal power consumption • Optional tumbling hammer control for specialized applications • Built-in security features ## Key Features • Microprocessor-based design for precision voltage and current management • Real-time operational trending and historical data retention • Rapid spark response and automatic power recovery • Configurable ramp rates and background power for process optimization • Comprehensive diagnostics with operator guidance ## Typical Applications Electrostatic precipitator systems across industrial dust collection, air pollution control, and emission reduction operations. ## Compatibility & Integration The SQ-300 interfaces via backlit LCD display and supports optional color touch screen operator terminals for remote monitoring and configuration.