Current engineering notes grounded in official sources for charging standards, vehicle communications, station management and electrical infrastructure.
01
The 2023 edition revises DC EVSE requirements and brings conformity testing, electrical safety, thermal management and bidirectional power transfer into sharper focus.
Reviewed against official sources: August 2026
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In DC charging, the vehicle–EVSE digital interface is distinct from the station-to-management-system interface. A dependable design keeps those layers separate.
Reviewed against official sources: August 2026
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ISO 15118-20 defines EV–EVSE communication messages and sequences for power transfer; the 2026 amendment adds AC DER service, MCS service and an improved security concept.
Reviewed against official sources: August 2026
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Released in 2025, OCPP 2.1 builds on OCPP 2.0.1 with bidirectional charging, DER control, smarter charging and expanded transaction options.
Reviewed against official sources: August 2026
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The third edition of IEC 62196-3 replaces the 2022 edition, integrates IEC TS 62196-3-1 and references new tests in IEC 62196-1:2025.
Reviewed against official sources: August 2026
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IEC 60364-7-722:2018 addresses circuits supplying EVs or feeding power back from EVs; this is distinct from the product standard for the charger itself.
Reviewed against official sources: August 2026
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IEC 63110-1:2022 covers basic definitions, use cases and architecture for managing charging and discharging infrastructure, from energy transfer to asset management and cybersecurity.
Reviewed against official sources: August 2026
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