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What Is HVIL? Understanding High-Voltage Interlock Systems
As electric vehicles (EVs) become more powerful, their electrical systems increasingly operate at high voltages. High-voltage battery packs, inverters, onboard chargers, DC-DC converters, and other components require robust safety systems to prevent accidental exposure to dangerous electrical energy. One important safety feature used in modern EVs is the HVIL, or High-Voltage Interlock Loop. HVIL is designed to continuously monitor the integrity of high-voltage connections and help ensure that high-voltage systems are safely disconnected when a connection is opened, damaged, or improperly secured. What Is HVIL? HVIL stands for High-Voltage Interlock... Read more...
What Is an HVDC Contactor and Why Is It Used in EVs?
As electric vehicles (EVs) continue to become more powerful and efficient, their electrical systems are also becoming more advanced. Modern EVs operate at high voltages to deliver the power required by electric motors, onboard chargers, DC-DC converters, and other systems. Managing this high-voltage power safely is one of the most important aspects of EV design. One essential component responsible for this task is the HVDC contactor. What Is an HVDC Contactor? An HVDC (High-Voltage Direct Current) contactor is an electrically controlled high-voltage switch designed to safely connect or disconnect DC... Read more...
Understanding Peak Power vs Continuous Power in EV Motors
Electric vehicle (EV) motors are often marketed using specifications such as torque, voltage, RPM, peak power, and continuous power. Among these, peak power and continuous power are two of the most important specifications for understanding real-world motor performance. For EV manufacturers, engineers, and vehicle developers, knowing the difference between these ratings is essential when selecting the right motor for an application. What Is Peak Power? Peak power is the maximum power an electric motor can deliver for a limited period. For example, an EV motor may be rated at 30... Read more...
Motor Selection Guide
How to Select the Right Electric Motor for an EV Choosing an electric motor for an electric vehicle is not simply a matter of selecting the motor with the highest power rating. The right motor depends on the vehicle weight, required acceleration, top speed, tyre size, gearing, battery voltage, duty cycle, cooling system and terrain. A motor that performs exceptionally well in one vehicle may be completely unsuitable for another. For EV developers, motorsport teams, startups and industrial vehicle manufacturers, understanding these parameters before purchasing a motor can prevent costly... Read more...