Foshan Green Electric Vehicle Technology Co., Ltd.

Case Studies

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72V 400A Controller Burning MOSFETs: Can Replacing the Aluminum‑Base Circuit Board Fix It? An In‑Depth Review of a Real‑World Repair Case

I. Case Background: A Power System of "Small Horse Pulling a Heavy Load" I recently took in an electric vehicle controller for repair with the following specifications: Controller: 72V, 400A (peak) Motor: 7.5 kW rated, 15 kW peak, peak torque 110 N·m Gear ratio: 10.5 : 1 Tire radius: 355 mm Gross vehicle weight: 2000 kg Designed vehicle speed: 40 km/h Customer complaint: Th...

From “Laggy Throttle” to “Instant Response” — A Remote Tuning Case Study of a PMSM Drive System for a South African Sightseeing Shuttle

Background Recently, a customer in South Africa purchased a sample unit of our 96V 15kW PMSM motor drive systemfor validation on a 16-seat electric sightseeing shuttle. After the customer completed mechanical installation and electrical wiring, the project moved into the commissioning phase. It didn't take long before feedback came in: the throttle response was laggy and disconnected from dri...

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