Epec Flow Active PDU

Description

TRACTION VOLTAGE POWER DISTRIBUTION UNIT FOR ELECTRIC VEHICLES TRACTION AND AUXLIARY HIGH VOLTAGE SYSTEMS INCLUDING:

• Active unit include traction voltage contactors and contactor controls with Voltage and current measurement units.

• Pre-charging circuit to balance voltage levels before and after contactors

• Service charging circuit with contactor switching

• High voltage circuit insulation resistance measurement & monitoring

• Fuse protection for high and low current component output

• Hazardous voltage interlock loop

(HVIL) MAIN DIMENSIONS:

• Overall dimensions: 503 x 370 x 172 mm

• Weight: 21 kg

• Mounting to vehicle: all other orientation allowed than Cables upside

• Mounting by customer designed brackets by M8 screw from each side

FUNCTIONAL BLOCK DIAGRAM, DC-Link
Simple High voltage circuit control block diagram for active PDU

• Control unit: Epec PDU controller

• Insulation monitoring unit

• Voltage measurement

• Current measurement

• Main contactors

• DC-charging contactors

• Pre-charge and charging relays

• Temperature measurement inside PDU

• HVIL loop for all connectors and covers