Electrically propelled road vehicles – Test specification for electric propulsion components – Part 6: Operating load testing of motor and inverter

This technical specification establishes the fundamental requirements and test procedures for evaluating electric drive components within battery-powered vehicles used on public roads. Specifically, the sixth installment of this series focuses exclusively on the load testing methodologies applicable to electric motors and their associated inverters. It outlines the necessary conditions for conducting performance assessments, including thermal behavior, efficiency mapping, and operational limits under various load scenarios. The document defines the setup for laboratory and field trials, ensuring consistency in how these critical powertrain elements are verified for safety and reliability. It provides guidance on the measurement techniques required to capture accurate data regarding torque, speed, voltage, and current during dynamic loading cycles. By standardizing these evaluation protocols, the document aims to harmonize testing outcomes across different manufacturers and facilities. It serves as a reference for engineers and compliance officers tasked with validating the durability and functional integrity of electric propulsion systems before market entry. The scope covers specific operational modes and stress conditions designed to simulate real-world driving demands while maintaining rigorous quality control benchmarks for vehicle electrification components.