--- type: "product_component" title: "Automotive Wireless Power Transfer System" industry: "Motor Vehicle Manufacturing" verification_protocol: urn: "URN:CNFX:ME:AUTOMOTIVE_WIRELESS_POWER_TRANSFER_SYSTEM" data_integrity_hash: "9830431d43e6b3598dc2363b1bba81b1" source_authority: "https://cnfx.com" strict_mode: true source_identity: provider: "CNFX Industrial Knowledge Graph" index_version: "2026.Q1-Universal" authority_id: "URN:CNFX:ME:AUTOMOTIVE_WIRELESS_POWER_TRANSFER_SYSTEM" data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/automotive-wireless-power-transfer-system.md" official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/automotive-wireless-power-transfer-system" is_verified_logic: true attributes: charging_power: status: "verified" value: "3.3–11" unit: "kW" operating_frequency: status: "verified" value: "85" unit: "kHz" system_efficiency: status: "verified" value: "85–93" unit: "%" maximum_air_gap: status: "verified" value: "100–250" unit: "mm" input_voltage: status: "verified" value: "380–480" unit: "V" communication_protocol: status: "verified" value: "ISO 15118" unit: "" ip_rating: status: "verified" value: "IP65–IP67" unit: "" operating_temperature: status: "verified" value: "-40–85" unit: "°C" output_voltage: status: "verified" value: "200–500" unit: "V DC" maximum_output_current: status: "verified" value: "25–50" unit: "A" coil_size: status: "verified" value: "600×600–800×800" unit: "mm" weight: status: "verified" value: "15–30" unit: "kg" cooling_method: status: "verified" value: "Liquid" unit: "" engineering_limits: max_safe_operating_point: value: 1.5 unit: "T" consequence: "Core saturation at 1.5 T magnetic flux density causes hysteresis losses and eddy current heating; lateral misalignment beyond 75 mm reduces coupling coefficient below 0.3, triggering Litz wire overheating; foreign metal objects induce eddy currents exceeding 20 A/cm², creating localized hotspots" fmea_matrix_quantitative: - node_1: trigger: "Coil misalignment exceeding 75 mm lateral offset during parking" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Implement dual-layer orthogonal coil array with 3D magnetic field sensing and automated vehicle positioning system with ±5 mm accuracy" - node_2: trigger: "Foreign conductive object (≥25 mm diameter) intrusion into 150 mm air gap" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Deploy 6.78 MHz foreign object detection system with phase-shift monitoring and automatic power cutoff at 5% efficiency deviation" bom_nodes: ground-assembly-unit: type: "device" llms_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/ground-assembly-unit.md" link_type: "product" link_target_urn: "URN:CNFX:ME:GROUND_ASSEMBLY_UNIT" urn: "URN:CNFX:ME:GROUND_ASSEMBLY_UNIT" interface_type: "physical-logic-coupled" is_standalone: true vehicle-assembly-unit: type: "device" llms_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/vehicle-assembly-unit.md" link_type: "product" link_target_urn: "URN:CNFX:ME:VEHICLE_ASSEMBLY_UNIT" urn: "URN:CNFX:ME:VEHICLE_ASSEMBLY_UNIT" interface_type: "physical-logic-coupled" is_standalone: true transmitting-coil: type: "component" llms_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/component/transmitting-coil.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:TRANSMITTING_COIL" urn: "URN:CNFX:ME:UNIT:TRANSMITTING_COIL" interface_type: "physical-logic-coupled" is_migrated_part: true receiving-coil: type: "component" llms_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/component/receiving-coil.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:RECEIVING_COIL" urn: "URN:CNFX:ME:UNIT:RECEIVING_COIL" interface_type: "physical-logic-coupled" is_migrated_part: true power-electronics-module: type: "device" llms_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/power-electronics-module.md" link_type: "product" link_target_urn: "URN:CNFX:ME:POWER_ELECTRONICS_MODULE" urn: "URN:CNFX:ME:POWER_ELECTRONICS_MODULE" interface_type: "physical-logic-coupled" is_standalone: true communication-module: type: "device" llms_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/communication-module.md" link_type: "product" link_target_urn: "URN:CNFX:ME:COMMUNICATION_MODULE" urn: "URN:CNFX:ME:COMMUNICATION_MODULE" interface_type: "physical-logic-coupled" is_standalone: true foreign-object-detection: type: "device" llms_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/foreign-object-detection.md" link_type: "product" link_target_urn: "URN:CNFX:ME:FOREIGN_OBJECT_DETECTION" urn: "URN:CNFX:ME:FOREIGN_OBJECT_DETECTION" interface_type: "physical-logic-coupled" is_standalone: true alignment-assistance-system: type: "device" llms_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/alignment-assistance-system.md" link_type: "product" link_target_urn: "URN:CNFX:ME:ALIGNMENT_ASSISTANCE_SYSTEM" urn: "URN:CNFX:ME:ALIGNMENT_ASSISTANCE_SYSTEM" interface_type: "physical-logic-coupled" is_standalone: true cooling-system: type: "device" llms_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/cooling-system.md" link_type: "product" link_target_urn: "URN:CNFX:ME:COOLING_SYSTEM" urn: "URN:CNFX:ME:COOLING_SYSTEM" interface_type: "physical-logic-coupled" is_standalone: true manufacturing_compliance: - standard: "ISO 19363:2020 - ELECTRICALLY PROPELLED ROAD VEHICLES - MAGNETIC FIELD WIRELESS POWER TRANSFER - SAFETY AND INTEROPERABILITY REQUIREMENTS" scope: "Verified Engineering Specification" - standard: "DIN EN 61980-1:2021 - ELECTRIC VEHICLE WIRELESS POWER TRANSFER (WPT) SYSTEMS - PART 1: GENERAL REQUIREMENTS" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/automotive-wireless-power-transfer-system.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "47082cc51ba182c0b97c0546d1d5ad5c327790d855fb32f605b2d7b38984955f" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "Automotive Wireless Power Transfer System" - "wireless EV charging" - "inductive charging system" - "automotive power transfer" - "electric vehicle charging pad" - "SAE J2954" - "Automotive Wireless Power Transfer System in Motor Vehicle Manufacturing" - "China Automotive Wireless Power Transfer System manufacturer" - "Automotive Wireless Power Transfer System supplier China" - "Automotive Wireless Power Transfer System charging_power" - "Automotive Wireless Power Transfer System operating_frequency" - "Automotive Wireless Power Transfer System system_efficiency" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: Automotive Wireless Power Transfer System ## 1. Technical Definition The Automotive Wireless Power Transfer System is an integrated solution for contactless charging of electric vehicles. ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **3.3-22 kW power transfer, 85-95% efficiency, 150-300 mm air gap, 85-265 kHz operating frequency**. Failure boundary: **Magnetic flux density exceeds 1.5 T in ferrite cores, coil temperature surpasses 150°C, misalignment exceeds 75 mm lateral offset, foreign object detection threshold: 5% power loss**, Mechanism: **Core saturation at 1.5 T magnetic flux density causes hysteresis losses and eddy current heating; lateral misalignment beyond 75 mm reduces coupling coefficient below 0.3, triggering Litz wire overheating; foreign metal objects induce eddy currents exceeding 20 A/cm², creating localized hotspots**. ### 2.1 Analytical Physics Model Governed by the **Joule Heating & Thermal Resistance**: > **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$ > **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers. | Symbol | Variable Definition | Localized Reference | | :--- | :--- | :--- | | I | Current | **25–50 A** | | R | Resistance | Engineering Constant | | V | Voltage | **380–480 V** | ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Coil misalignment exceeding 75 mm lateral offset during parking | 8 | Coupling coefficient drops below 0.3, causing Litz wire temperature rise to 180°C within 120 seconds | Implement dual-layer orthogonal coil array with 3D magnetic field sensing and automated vehicle positioning system with ±5 mm accuracy | | Foreign conductive object (≥25 mm diameter) intrusion into 150 mm air gap | 8 | Eddy current induction of 35 A/cm² in foreign object, creating 250°C localized hotspot within 60 seconds | Deploy 6.78 MHz foreign object detection system with phase-shift monitoring and automatic power cutoff at 5% efficiency deviation | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | Charging Power | 3.3–11 | kW | Verified | | Operating Frequency | 85 | kHz | Verified | | System Efficiency | 85–93 | % | Verified | | Maximum Air Gap | 100–250 | mm | Verified | | Input Voltage | 380–480 | V | Verified | | Communication Protocol | ISO 15118 | | Verified | | IP Rating | IP65–IP67 | | Verified | | Operating Temperature | -40–85 | °C | Verified | | Output Voltage | 200–500 | V DC | Verified | | Maximum Output Current | 25–50 | A | Verified | | Coil Size | 600×600–800×800 | mm | Verified | | Weight | 15–30 | kg | Verified | | Cooling Method | Liquid | | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) - [Ground Assembly Unit](https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/ground-assembly-unit.md) `(Standalone System)` - [Vehicle Assembly Unit](https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/vehicle-assembly-unit.md) `(Standalone System)` - [Power Electronics Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/power-electronics-module.md) `(Standalone System)` - [Communication Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/communication-module.md) `(Standalone System)` - [Foreign Object Detection](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/foreign-object-detection.md) `(Standalone System)` - [Alignment Assistance System](https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/alignment-assistance-system.md) `(Standalone System)` - [Cooling System](https://cnfx.com/llms/industry/basic-metal-manufacturing/product/cooling-system.md) `(Standalone System)` ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **High-Frequency Power Inverter**, **Cooling System for Power Electronics**, **Alignment System for Charging Pad** **Downstream Applications**: Electric Vehicle Charging Station, Wireless Charging Infrastructure, Automotive Wireless Charging Kit ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What is the maximum charging power of this system? **A**: The reference range for maximum power output is 3.3–11 kW, depending on the specific model and configuration. Actual power ratings must be confirmed with the manufacturer. ### Q: What standards does the system reference? **A**: The system references SAE J2954 for operating frequency (85 kHz), IEC 61851 for input voltage, ISO 15118 for communication, and IEC 60529 for ingress protection. Compliance with these standards should be verified with the supplier. ### Q: What is the typical air gap for charging? **A**: The maximum effective charging distance is 100–250 mm. The actual air gap depends on the vehicle and pad installation, and alignment is assisted by the system. ### Q: Is liquid cooling required? **A**: Yes, the cooling method is liquid, which is required for high power levels to manage heat dissipation. The system includes provisions for liquid cooling. ## 6. Manufacturing Compliance - ISO 19363:2020 - ELECTRICALLY PROPELLED ROAD VEHICLES - MAGNETIC FIELD WIRELESS POWER TRANSFER - SAFETY AND INTEROPERABILITY REQUIREMENTS - DIN EN 61980-1:2021 - ELECTRIC VEHICLE WIRELESS POWER TRANSFER (WPT) SYSTEMS - PART 1: GENERAL REQUIREMENTS --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: Automotive Wireless Power Transfer System](https://cnfx.com/industry/motor-vehicle-manufacturing/product/automotive-wireless-power-transfer-system)** ### 🌐 Knowledge Graph Topology > **Node Status**: Verified Engineering Spec > **Connectivity**: Linked to **9** standalone system nodes > **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph > **Reference ID**: AUTOMOTIVE_WIRELESS_POWER_TRANSFER_SYSTEM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ff2390e6