車両間(V2V)&マイクログリッドDCダイレクト急速充電システム
V2Charging はソフトウェア定義EVを自律的なモバイルエネルギー・ルーターへと進化させます。双方向ガルバニック絶縁型DAB DC-DCコンバータにより、電欠車両は送電網のない場所でも給電車から直接150kWの超急速救済電力を受電できます。
V2V Direct DC Core Zonal Architecture
Central Controller: V2V Direct DC Core — Bidirectional Galvanic Controller
Zonal Control Units & TSN Ring
- Galvanically Isolated Dual Active Bridge
- Master/Slave Role Negotiation State Machine
- Peer-to-Peer Encrypted Bluetooth/PLC Link
- Zonal High-Voltage Pyro-Fuse
- Differential Residual Current Monitor
レッカー車やディーゼル発電機を使わずに立ち往生したEVを救助する
高電圧バッテリー同士の直接DC接続は、グランドループや短絡事故の波及リスクを伴います。V2Charging は200kHzで動作するプレーナー変圧器によるガルバニック絶縁を採用し、400V車と800V車の間で97.5%の超高効率電力融通を実現します。
Core Engineering Areas
- Galvanically Isolated V2V Converter — Controlling an on-board or cable-integrated isolated converter that manages differential voltages between donor (e.g., 800V) and recipient (e.g., 400V) packs.
- Master/Slave Role Negotiation — Establishing unambiguous master (donor voltage source) and slave (recipient current sink) roles over a secure direct wireless or pilot wire link.
- P2P Energy Settlement Tokens — Generating verifiable cryptographic receipts signed by vehicle HSMs that can be redeemed or settled once cloud telematics reconnects.
Technical Articles
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