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.

















