BYD logo

BYD

Last updated February 1, 2026
720
Innovation Areas
34,443
Inventors
189
Collaborations

High-voltage interlock service disconnects: BYDRecent Research Landscape

Arcing and thermal failure during high-voltage circuit interruption create significant safety risks and equipment damage. These innovations utilize specialized mechanical switching architectures to ensure reliable galvanic isolation and safe maintenance access.

What technical problems is BYD addressing in High-voltage interlock service disconnects?

Unsafe high voltage maintenance access

(69)evidences

High-voltage switching components are prone to physical fusion or sintering due to electrical arcing and thermal stress. Detecting and preventing this failure mode ensures the system can safely isolate high-voltage power during emergencies or maintenance.

Uncontrolled electrical fault propagation

(43)evidences

Sudden overcurrent events and feeder failures pose catastrophic risks to high-voltage vehicle architectures. Preventing systemic damage from localized electrical faults ensures operational safety and hardware integrity.

Inadequate gate drive signal integrity

(36)evidences

Inconsistent signal gain and unregulated power distribution lead to component failure in high-voltage systems. Preventing these surges ensures the safety and longevity of the vehicle's electronic architecture.