Safiery BMG (Belt Motor Generator) Hybrid Synchronous Generator
Traditional 48V Alternator With Wakespeed/Balmar Regulator
Integrel E-Drive Integrated Generator System
Characteristic
85% (Net) 90% motor 94% inverter
50-65% Hot alternator typical
70-75% Remote Inverter-based conversion
Generator Efficiency
0.76 kW/kg 11.9kg alternator + 5.4kg controller 9 kW max Limited by temperature Not specified Optimized for cruise RPM 7.5-8.5 kW @ 1700 RPM, temp limited
1.65 kW/kg 7.3kg for 11kW unit
~1.0 kW/kg Round-wire design
Power Density
11 kW max 240A @ 48V peak
6.2 kW typical 130A @ 48V
Peak Power Output
5.0 kW AI-optimized field boost 8 kW @ cruise 5.5-8.5kW hot conditions
300-500W Limited by low RPM
Power at Engine Idle
5-7 kW Temperature dependent
Continuous Power
±0.5% Digital CAN control -40 to 105°C Grade H insulation 10 years/300k km 8,000 hours rated
±2% Analog field control -20 to 80°C Grade F insulation
Good Proprietary CANbus
Voltage Regulation
-30 to 85°C Marine rated
Temperature Range
5-7 years 150-200k km typical Moderate Brushes require service
8+ years Marine duty cycle
Expected Lifetime
Low Brushless, sealed IP6K9K
Low-Moderate Asynchronous design
Maintenance
MINUS: Requires separate DC- DC MINUS: Basic integration PLUS: Universal compatibility MINUS: No ASIL rating MINUS: Limited protection MINUS: No isolation
MINUS: Requires separate DC- DC MINUS: Multiple components PLUS: Multi-brand support PLUS: Load management MINUS: No ASIL rating MINUS: No torque sensing None Single asynchronous winding PLUS: Engine efficiency optimization MINUS: No AI capabilities
PLUS: Built-in bidirectional DC-DC PLUS: Single compact unit PLUS: Native Victron display PLUS: ISO 26262 ASIL B PLUS: 100% load dump protection PLUS: Real-time torque sensing
System Integration
Safety Features
Dual 3-phase windings 50% power on failure
None Single winding
Redundancy
PLUS: AI auto-tuning PLUS: Scotty AI app control PLUS: Predictive protection Simple Single unit, multiple mounts 9.5/10 Next-gen technology leader
PLUS: Basic remote regulation MINUS: No AI features
Smart Features
Installation Complexity
Moderate Alternator + regulator
Complex 5+ components required 7.5/10 Good integrated system
6/10 Proven traditional approach
Overall Rating
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