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Vanner Increased Accessory Power II provides power distribution from Allison hybrid system for full electrification

Vanner introduced its next-generation Increased Accessory Power II (IAP II) component system at this year’s APTA Expo conference in Houston, Texas. IAP II is a customizable electric distribution platform that provides power distribution from the hybrid system to accessory components such as electric air conditioning systems, electric air compressors and electric power steering systems. Up to 30 kW of continuous export power from the Allison H 40/50 EP Hybrid is made available via IAP II, allowing up to 100% electrification for hybrid buses and coaches.

The durable Allison H 40/50 EP Hybrid already has a proven track record as a reliable sustainability solution. IAP II improves on the hybrid’s efficiency by distributing the hybrid power throughout the entire bus. Both Allison and Vanner recognize full electrification is key to making a better hybrid.

—Steve Funk, President of Vanner Incorporated

MOD-283119_IAP2
IAP II is available on Allison H 40/50 EP equipped hybrids. Click to enlarge.

Building on the success of IAP I, a water-cooled Vanner Exportable Power Inverter (VEPI) is now included and produces 230 VAC 3-Phase for full bus electrification. A Vanner High Voltage Distribution Module (HVDM) acts as a smart electrical grid for the hybrid bus and 80-Series Equalizer with Model Based Battery Monitoring (MBBM) for dynamic charging.

IAP II includes either a Single or Dual Hybrid Beltless Alternator for up to 600 amps-at-idle 24 VDC charging.

An advantage over a fully electrified hybrid vs. other electric vehicles is that the hybrid is its own electrical generation power plant. It is not dependent on a daily charging cycle to keep it on the road. An IAP II equipped hybrid bus continues to use the best of both worlds of mechanical and electric efficiencies.

—Chris Collet, Vanner Vice President, Bus and Hybrid Markets

Vanner Incorporated is a privately held company producing commercial vehicle energy management systems since 1977.

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