Selection Criteria for DC Panel Batteries and Charging Systems
Comprehensive guidance for power plant DC systems:
1. Battery Selection
• Ni-Cd advantages:
- 3000+ charge cycles
- Withstands 50G vibration
• VRLA lead-acid:
- Maintenance-free operation
- 10-year design life
2. Charging Technologies
• Phase-controlled systems:
- 0.5% voltage regulation
• High-frequency systems:
- <1% current ripple
- Hot-swappable modules
3. Maintenance Protocols
• Monthly:
- Electrolyte density checks
- Terminal corrosion inspection
• Annual:
- Capacity verification tests
- Thermal imaging analysis
