Battery/UPS
critical
Known Models (3)
AEG Power Solutions / 3W Power (Germany) Marine UPS Series
1-200 kVA
· Uninterruptible Power Supply
Voltage: 230V/400V AC
type: Online Double-Conversion UPS (Marine)
size_range: ['Protect 1', 'Protect 3', 'Protect 8']
variant_count_approx: 3
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: IGBT inverter, battery bank, static switch
Common Failures:
- • Battery degradation from age/temperature (replace every 3-5 years)
- • Inverter IGBT module failure from voltage spikes
- • Fan failure causing overheating
- • Static switch malfunction
- • Capacitor aging in DC link
Service: Battery replacement every 3-5 years. Battery test quarterly. Inverter/rectifier check annually. Fan replacement every 3-5 years. UPS load test annually.
Spares: AEG Power Solutions. Lead time: 2-4 weeks. Batteries: widely available.
Corvus Energy (Norway/Canada) Orca Energy Storage System
100 kWh - 10 MWh
· Lithium-Ion Energy Storage
Voltage: 700-1000V DC
type: Marine Battery Energy Storage System (Li-Ion)
size_range: ['Orca ESS 100kWh', 'Orca ESS 500kWh', 'Orca ESS 1MWh', 'Orca ESS 10MWh']
variant_count_approx: 4
period_start_year: 2012
period_end_year: None
drive_type: DC (integrated with ship power system)
construction: Lithium-ion NMC cells, BMS, cooling system, DC/AC converter
Common Failures:
- • Cell degradation from cycling (capacity loss 10-20% over 10 years)
- • BMS (Battery Management System) sensor failure
- • Cooling system failure causing thermal runaway risk
- • DC/AC converter IGBT failure
- • Cell balancing issues
Service: BMS monitoring continuous. Cell temperature monitoring continuous. Cooling system check monthly. Capacity test annually. Fire suppression system for battery room mandatory.
Spares: Corvus Energy (Bergen/Vancouver). Lead time: 4-8 weeks for battery modules. BMS components: 2-4 weeks.
Eaton / Powerware (USA) Marine UPS
1-100 kVA
· Uninterruptible Power Supply
Voltage: 230V/400V AC
type: Online UPS (Marine-Certified)
size_range: ['9155', '9355', '93PM']
variant_count_approx: 3
period_start_year: 2000
period_end_year: None
drive_type: Electric
construction: IGBT inverter, battery bank, marine certification
Common Failures:
- • Battery aging
- • Inverter module failure
- • Fan failure
- • Control board issues
Service: Standard marine UPS maintenance. Battery every 3-5 years.
Spares: Eaton (Cleveland, OH). Lead time: 2-4 weeks.