---
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:
  power:
    status: "config-dependent"
    typical_range: "3.3-22 kW power transfer, 85-95% efficiency, 150-300 mm air gap, 85-265 kHz operating frequency"
    unit: "kW"
  air_gap:
    status: "config-dependent"
    typical_range: "3.3-22 kW power transfer, 85-95% efficiency, 150-300 mm air gap, 85-265 kHz operating frequency"
    unit: "mm"
  efficiency:
    status: "config-dependent"
    typical_range: "3.3-22 kW power transfer, 85-95% efficiency, 150-300 mm air gap, 85-265 kHz operating frequency"
    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"
    urn: "URN:CNFX:ME:GROUND_ASSEMBLY_UNIT"
    interface_type: "physical-logic-coupled"
  vehicle-assembly-unit:
    type: "device"
    urn: "URN:CNFX:ME:VEHICLE_ASSEMBLY_UNIT"
    interface_type: "physical-logic-coupled"
  transmitting-coil:
    type: "component"
    urn: "URN:CNFX:ME:TRANSMITTING_COIL"
    interface_type: "physical-logic-coupled"
  receiving-coil:
    type: "component"
    urn: "URN:CNFX:ME:RECEIVING_COIL"
    interface_type: "physical-logic-coupled"
  power-electronics-module:
    type: "device"
    urn: "URN:CNFX:ME:POWER_ELECTRONICS_MODULE"
    interface_type: "physical-logic-coupled"
  communication-module:
    type: "device"
    urn: "URN:CNFX:ME:COMMUNICATION_MODULE"
    interface_type: "physical-logic-coupled"
  foreign-object-detection:
    type: "device"
    urn: "URN:CNFX:ME:FOREIGN_OBJECT_DETECTION"
    interface_type: "physical-logic-coupled"
  alignment-assistance-system:
    type: "device"
    urn: "URN:CNFX:ME:ALIGNMENT_ASSISTANCE_SYSTEM"
    interface_type: "physical-logic-coupled"
  cooling-system:
    type: "device"
    urn: "URN:CNFX:ME:COOLING_SYSTEM"
    interface_type: "physical-logic-coupled"
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: "172a503b82f935d90dd976346d7cba1ea8ec6fec031da0f04e01e9e0dc67de54"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Automotive Wireless Power Transfer System

## 1. Technical Definition
Wireless charging system for electric vehicles using electromagnetic induction.

## 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 | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 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 |
| :--- | :--- | :--- | :--- |
| power | Config-dependent | kW | Verified |
| air_gap | Config-dependent | mm | Verified |
| efficiency | Config-dependent | % | 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 wireless EV charging system?
**A**: The system supports customizable charging power levels in kW ranges, designed to meet various electric vehicle requirements with high efficiency.

### Q: How does the foreign object detection work in this wireless charging system?
**A**: The system includes sensors that detect metallic or conductive objects between coils, automatically pausing charging to prevent safety hazards and damage.

### Q: What communication protocols are supported for vehicle-to-charger communication?
**A**: The system supports industry-standard protocols like PLC or wireless communication (Wi-Fi/Bluetooth) for alignment verification, power negotiation, and status monitoring.

## 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
