Retroflight Alpha - A novel eVTOL charging infrastructure platform

这项名为Retroflix-Alpha的工业研究项目的目的是开发物理和数字基础设施，以支持未来的飞行目标。这包括采用Petalite的三相SDC专利的高度可靠的600千瓦充电能力，以及Vanti的智能建筑操作系统(Smart Core(Tm))，该系统是在高密度城市环境(HDUE)中为电动垂直起降(EVTOL)飞机提供服务所必需的。最终降低因“峰值负荷”和传统硬件可靠性问题而导致的地面工程相关的高成本，这些问题将使这些着陆场在财务上不可行。如果没有合适的充电基础设施，eVTOL无法成为一种可行的运输形式。电动垂直起降(EVTOL)飞机的电力需求带来了独特的充电挑战：由于频繁的短途旅行和有限的充电时间。它们的一生将承受数百次充电循环，位于高密度城市环境(HDUE)，垂直起飞和降落需要巨大的功率和高可靠性。Petalite通过与Vanti合作解决了新飞行器的集成挑战，Vanti是一家在将专有技术集成到更广泛的建筑系统环境方面拥有丰富经验的系统集成商。在eVTOL充电的预期电力负载中，更广泛的建筑自动化和系统协调至关重要，以确保现有电力供应可以得到利用，但同时进行监控，以消除它们超载和建筑物用户受到干扰的风险。与商业建筑一样，这一重要基础设施的其他位置也将包括重新利用停车场、现有的直升机停机坪甚至电动汽车充电站的顶部。为了满足这些独特的充电需求，Petalite发明了一种正在申请专利的充电平台，用于创新的“三相SDC”超级充电方式，具有真正的单级拓扑结构，与现有的全桥拓扑结构相比，组件减少了30%-50%，可靠性更高，工作寿命更长(MTBF高达4倍)。_Petalite的充电即服务(CAS)商业模式提供了4倍的ROI潜力。Petalite目前的系统符合火车电池充电标准，对于有轨电车和公交车，需要进一步开发切换算法，以完全符合eVTOL并与其通信。这是铁路行业成功的1阶段SDC Innovate UK(IUK)项目(2019年)的演变，该项目将在实验室环境中发明SDC系统并开发它们(TRL4-6)以符合eVTOL CCS标准。3阶段SDC的模块化设计将在全国范围内实现eVTOL充电网络的快速增长和无限可扩展性，而Vanti的开源和开放协议智能建筑操作系统将使现场运营商能够管理峰值能耗并将对现有电力基础设施的影响降至最低，这是eVTOL充电要求的关键要素。

The aim of this industrial research project, named Retroflight-Alpha is to develop the physical and digital infrastructure to support future flight objectives. This includes both a highly reliable 600kW charging capability utilising Petalite's 3-Phase SDC patent and Vanti's smart building operating system (Smart Core(tm)), required to serve electric vertical take-off and landing (eVTOL) aircraft in high density urban environments (HDUE). Ultimately reducing the associated high cost of ground works due to "peak loads" and traditional hardware reliability issues which would make these landing sites financially unviable. Without the right charging infrastructure in place eVTOLs cannot become a feasible form of transportation.Electric vertical take-off and landing (eVTOL) aircraft power demands create unique charging challenges: due to frequent short trips and limited time to charge between them. They will endure hundreds of charging cycles in their lifetime located in high density urban environments (HDUE) and require huge amounts of power and high reliability for vertical take-off and landing.Petalite have addressed the integration challenge of new air vehicles by partnering with Vanti, a Systems Integrator with deep experience in integrating proprietary technologies into wider building systems landscapes. At the anticipated power loads of eVTOL charging, wider building automation and systems orchestration are essential to ensure existing electrical supplies can be utilised but are simultaneously monitored to eliminate the risk of them being overloaded and users of buildings being disrupted. As well as commercial buildings other locations for this essential infrastructure will include repurposing the tops of car parks, existing helipads and even EV charging stations.To meet these unique charging demands, Petalite have invented a?patent pending charging?platform?for an innovative new way of charging "3-Phase SDC" Supercharging, with_?a true single stage topology, with 30-50% less components, higher reliability, longer working lifetime (up to 4x MTBF) compared to existing Full-Bridge topologies._ Petalite's Charging as a Service (CAS) business model offers 4 x ROI potential.Petalite's current system meets the battery charging standards for train, tram and buses, further development of the switching algorithm is needed to fully comply and communicate with eVTOLs. This is an evolution of a successful 1-phase SDC Innovate UK (IUK) project (2019) in the rail industry which will invent SDC systems in a laboratory environment and develop them (TRL4-6) to comply with eVTOL CCS standards.The modular design of the 3-Phase SDC will enable rapid growth and unlimited scalability across the eVTOL charging network nationally, while Vanti's open source and open protocol smart building operating system will enable site operators to manage peak energy consumption and minimise impact on existing electrical infrastructure, which is a crucial element of the eVTOL charging requirement.