The Basler Electric MCU Sync Module is a precision synchronization controller engineered to verify generator-to-grid compatibility before circuit breaker closure. It monitors voltage magnitude, slip frequency, and phase difference against preset limits, minimizing system transients and protecting generators and equipment from damage. The module accommodates diverse prime mover response characteristics, from slow hydro-turbines to fast gas and diesel engines.
Technical Specifications
Power Supply
• Internal circuitry: 90–132 Vac, 50/60 Hz (single phase) or 70–150 Vdc
• Burden: <20.0 VA
Breaker Closing Contacts
• Make/carry: 30 A at 250 Vdc for 1 second; 7 A continuous
• Break: 0.3 A at 250 Vdc (L/R = 0.04)
Voltage, Frequency Correction & Lockout Contacts
• Make/break: 5 A at 250 Vac (80% PF), 5 A at 28 Vdc (resistive), 0.5 A at 120 Vdc (resistive)
Relay Fail Contact
• Make/break: 5 A at 250 Vac (80% PF), 5 A at 28 Vdc (resistive), 0.5 A at 120 Vdc (resistive)
Environmental
• Storage temperature: −65 °C to +85 °C
• Vibration: 2–27 Hz at 1.3 G; 27–52 Hz at 0.036 inch double amplitude; 52–1000 Hz at 5.0 G
– Key Features
• Surge withstand capability per ANSI/IEEE C37.90-1989 and IEC 255-5
• EMI immunity: IEC C37.90-1989 radiated interference testing
• Voltage Acceptance Module (A2) with three independent constraints: upper bus voltage limit, lower bus voltage limit, and generator-to-bus voltage difference (1–10 Vac continuously variable)
• Breaker command inhibition on parameter violation
– Typical Applications
Generator synchronization in industrial power systems with variable prime mover dynamics; parallel generator operation; utility interconnection.
– Compatibility & Integration
Designed for integration with the BE1-25A Automatic Synchronizer platform and compatible with external AC and DC control architectures within specified power and contact ratings.
