Hybridrive® Series Components
HybriDrive® Accessory Power System
The HybriDrive® Accessory Power System (APS) offers two levels of electrification of accessories and includes power electronics options from partial electrification, with engine off function, to full electrification of the platform’s accessory loads. HybriDrive® can be configured to further enhance efficiency and performance with either an APS Level 1 or an APS Level 2:
The Accessory Power System Level 1 provides 28 volt DC electrical power to the vehicle. The unit functions as an electronic alternator, completely replacing the conventional belt driven alternator. It operates by converting power from the hybrid high-voltage DC system directly to 28 volt DC power.
This electronic alternator provides up to 530 amps of continuous output, more than enough capacity to power all conventional electric loads, such as cooling fans and pumps, plus all hybrid cooling systems. APS Level 1 is available for both the HDS 200 and HDS 300 systems.
The Accessory Power System Level 2 supports full electrification of accessories to further enhance efficiency and performance of your vehicle. APS Level 2 replaces the conventional belt driven alternator and provides 24/28 volt power to support a range of vehicle systems and electronic components (e.g. cooling fans, cooling pumps, and all conventional 28V systems and accessories). The APS also provides 208/230VAC 3-phase power for the electrification of large accessory loads (e.g. air compressors, power steering, and air conditioning). The system enables engine stop/start and electric vehicle (EV) modes. Full electrification reduces maintenance and eliminates the potential contamination of the pneumatic system (from oil blow-by in air compressors) and improves safety by eliminating hydraulic lines in the engine compartment. The APS Level 2 is packaged in a compact liquid-cooled unit for ease of installation and performance. APS Level 2 is available for both the HDS 200 and HDS 300 systems.
Features
- Provides ample 24/28 volt DC power for all vehicle, hybrid and accessory systems
- More than double the power output of standard conventional alternators
- Supports all-electric engine cooling fans
- Provides full output even at engine idle
Benefits
- Eliminates conventional belt-driven alternator (and associated belt)
- Improves efficiency and fuel economy
- Enables engine-off with lights and ventilation operating at extended stops
- Higher reliability/lower maintenance than conventional alternator
- Improves life and reduces maintenance of 24/28 volt vehicle batteries
- Eliminates hydraulic lines and fluid associated with hydraulically driven fans (when used with electric engine cooling)
HybriDrive® Accessory Power System (APS) Level 2
HybriDrive® Accessory Power System (APS) Level 2, provides full electrification of accessories to further enhance efficiency and performance of your vehicle. With removal of the belt alternator an APS Level 2 provides 24/28 Volt power to support a range of vehicle systems and electronic components (e.g. cooling fans, cooling pumps and all conventional 28V systems and accessories). The APS also provides 208/230VAC 3-phase power for the electrification of large accessory loads (e.g. air compressors, power steering and air conditioning). The system enables engine stop/start and electric vehicle (EV) modes. Full electrification reduces maintenance and eliminates the potential contamination of the pneumatic system (from oil blow-by in air compressors) and risk of engine fires by eliminating hydraulic lines in the engine compartment. The APS Level 2 is packaged in a compact liquid-cooled unit for ease of installation and performance.
Features
- Provides required power for electrified vehicle accessories:
- Air conditioning
- Engine cooling fan
- Air compressor
- Power steering
- Eliminates most engine belts and minimizes belt guard
Benefits
- Increased fuel economy, from reduced parasitic load
- Eliminates oil blow-by in air compressor, which contaminates the pneumatic system
- Greater reliability and increased life of sub-components
- Ease of maintenance
- Safer — eliminates belts and hydraulic lines in the engine compartment
- Quieter
- Reduces emissions
Specifications
HybriDrive®Accessory Power System (APS) Level 1
RATINGS
- 28 Volt: 15 kW (530 AMPS)
- Operating Temperature:
- Coolant temperature for full performance: -40ºC to 65ºC (45ºC nominal)
- External Ambient: -40ºC to 75ºC
SIZE (over chassis)
- Length: 22.9 in. (582 mm)
- Width: 13.3 in. (337 mm)
- Height: 9.3 in. (236 mm)
WEIGHT — wet: 82 lbs. (37 kg)
COOLANT —water ethylene or propylene glycol 15 gpm (57 lpm)
HybriDrive propulsion system components are sold as part of our HDS family of products and are available through BAE Systems qualified OEMs. Components are not sold separately.
HybriDrive®Accessory Power System (APS) Level 2
RATINGS
- 15 kW (530 Amps) DC/DC uni-directional 600V to 28V Converter
- 30 kW auxiliary power inverter (208/230V AC 37.5 kVA, 3-phase, 50/60 Hz))
- Operating Temperature:
- Coolant Temperature for full performance: (added “for full performance”) -40º to 149ºF (-40ºC to 65ºC) 113ºF (45ºC) nominal
- External Ambient: -40º to 167ºF (-40º to 75ºC)
SIZE
- Height: 10 inches (254mm)
- Width: 24 inches (609 mm)
- Length: 24 inches (609 mm)
WEIGHT — wet: 190 lb. (86.2 kg)
COOLANT — water ethylene or propylene glycol 15 gpm (57 lpm)
HybriDrive propulsion system components are sold as part of our HDS family of products and are available through BAE Systems qualified OEMs. Components are not sold separately.
This component is part of the HybriDrive® propulsion system and is not sold separately. This webpage gives only a general description of the product(s) or service(s) offered by BAE Systems and, except where expressly provided otherwise, shall not form part of any contract. From time to time, changes may be made in the products or the conditions of supply.
Download APS Level 1 Datasheet