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Cambodian Skills Delivery Model

SEAL National Course Catalogue · MLVT / National Training Board
អត្តសញ្ញាណប័ណ្ណសិក្សាអាស៊ីអាគ្នេយ៍ការរៀនសូត្រពេញមួយជីវិត • អធិបតេយ្យដោយការរចនាSEALSOUTH EAST ASIA LEARNING IDENTIFIERកម្ពុជា២០២៦
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Lesson 1.1 — Know Your Enemy: EV Types & Configurations

Before you touch a vehicle you must know exactly what class of machine you are dealing with, because the depower procedure differs for each. A Battery Electric Vehicle (BEV) has no engine at all — everything runs from a rechargeable energy storage system (RESS) operating at 400 V in most vehicles and up to 800 V in newer platforms. A Hybrid (HEV) hides a smaller ~200 V pack behind a petrol engine and never plugs in. A Plug-in Hybrid (PHEV) combines both worlds. A Fuel Cell vehicle (FCEV) adds 700-bar hydrogen to the electrical hazard list. In Cambodian workshops today you will most often meet BEVs (BYD, Toyota bZ4X, Nissan LEAF) and HEVs (Prius, Camry hybrid) — and the mix is growing monthly.

EV types BEVBattery ElectricHV Battery 400–800 VElectric MotorNo enginePlug-in charging onlye.g. Nissan LEAF, BYD Atto 3 HEVHybrid ElectricHV Battery ~200 VMotorEngineSelf-chargingNo charge porte.g. Toyota Prius, Camry HEV PHEVPlug-in HybridHV Battery ~350 VMotorEnginePlug-in + engineEV range 40–100 kme.g. Outlander PHEV FCEVFuel Cell ElectricH₂ Fuel CellElectric MotorHydrogen tank 700 barWater vapour exhauste.g. Toyota Mirai

Key points

  • Identify an EV before opening anything: no exhaust, no fuel flap (BEV), charge port, blue badging, silent start, energy-flow display
  • Voltage classes: SELV ≤ 60 V DC (safe by design) — HV is everything above it: 200–800 V DC on the traction bus
  • The traction battery is DC. DC above 60 V does not 'let go' — it clamps muscles harder than AC
  • Never assume configuration from the badge — verify the exact model and year in the workshop manual
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SEAL — South East Asia Learning Identifier & Skills Portal · Prepared for MLVT Executive approval and TVET institute review · Derived from the Australian National Training Register (training.gov.au, CC-BY) and aligned to the Cambodian Qualifications Framework and DSC Standard Training Packages · Delivered via Gibble SMS · July 2026