Electric vehicle business

Expand into New Horizons MIRAE E&I

HPDU (High Voltage Power Distribution Unit)

HPDU is one of important parts of electric automobile.
The main function of HPDU is receiving power from auxiliary power supply, and supply such power to electric parts and lights of electric automobile.

Development specifications

  • Fast-charged controller and protection circuit
  • Gradual-charged controller and protection circuit
  • PTC HVH power production circuit
  • Air-conditioner and LDC controller and protection circuit
  • High-voltage connector adequate for individual power capacities

Scope of Application

  • Special automobiles such as bus, engineering vehicle, pure electric or hybrid automobile, fuel cell and other new energy vehicle

Specifications of PDU connector

PCU Connector

PTC & Airconditioner Connector

Slow Charge & LDC Connector

BDU Connector

FAST CHARGE Connector

Specification

항목 Spec 비고
General Information Size 260 x 235 x (H)177mm
Weight 6.3kg
Operating temp. -40℃ ~ 85℃
Storage temp -24℃ ~ 125℃
Humidity <RH95%
IP IP67
Communication(Vehcle) CAN2.0A 전류센싱
Insulation resistance 1000V DV ≥ 300MΩ
function Protection function Relay & Fuse
Input/Output Input & Output voltage 200Vdc ~ 450Vdc T.B.D
Current 정격 166A, Maximum 200A
Control voltage 12V Relay
* Swipe left and right

Product exploded view

Block Diagram

PDU Application Diagram

High Voltage Product

10A(6.4Φ)

20A(10.3Φ)

200A(30Φ)

250A(30Φ)

10A & 20A

250A

4T-1 (80SQ)

4T-2 (80SQ)

에어모빌리티용 PDU

  • 400kW Main-PDU(400V 1000A)
항목 Spec 비고
General Information Size 566X 486 X (H)135mm
Weight 21.6kg
Operating temp. -40℃ ~ 85℃
Storage temp -24℃ ~ 125℃
Humidity <RH95%
IP IP67
Communication(Vehcle) CAN2.0A 전류센싱, HVIL
Insulation resistance 1000V DV ≥ 300MΩ
function Protection function Fuse
Input/Output Input & Output voltage 200Vdc ~ 450Vdc T.B.D
Current 정격 166A, Maximum 400A 400kW
Control voltage 28V 제어보드
* Swipe left or right
  • Sub-PDU (28V 60A)
항목 Spec 비고
General environment Size 321X 262 X (H)89mm
Weight 5kg
Operating temp. -40℃ ~ 85℃
Storage temp -24℃ ~ 125℃
Humidity <RH95%
IP IP67
Communication(Vehcle) CAN2.0A Voltage & 전류센싱,HVIL
Insulation resistance 1000V DV ≥ 300MΩ
function Protection function Relay & Fuse
Input/Output Input & Output voltage 28Vdc ~ 36Vdc T.B.D
Current 정격 166A, Maximum 80A
Control voltage 28V Relay
* Swipe left or right

Product List

Total 6

  • Product
    Model name
    Division
    Product Description
  • MR-PDU_240kW
    Power Distribution Unit for Electric Vehicles
    This product consists of input port(1EA)/ output ports(5EA) and it was applied to the modified electric vehicle for Carnival(KIA, Korea).

    1) PDU operation when charging the battery:
    - Input: OBC (420V 30A)
    - Output: Main Battery

    2) PDU capacity when driving vehicle: 240kW
    - Input: Main Battery
    - Output: Inverter, PTC Heater 1&2, A/C, LDC
  • MR-PDU_70kW
    Power Distribution Unit for Electric Vehicles
    This product consists of two input ports and four output ports, and it has been applied to EV-converted vehicles such as 1-ton trucks, 0.5-ton pickup trucks, and electric road sweepers.

    1) PDU capacity when charging battery: 42kW
    - Input: DC Fast Charger / OBC
    - Output: Main Battery

    2) PDU capacity when driving vehicle: 70kW
    - Input: Main Battery
    - Output: INVERTER 1&2, PTC Heater, A/C, LDC
  • MR-PDU_70kW
    Power Distribution Unit for Electric Vehicles
    This product consists of 2 input ports / 5 output ports and is applied to 1-ton truck-modified electric vehicles and electric road sweeper-modified electric vehicles.

    1) PDU capacity when charging battery: 42kW
    - Input: DC Fast Charger / OBC
    - Output: Main Battery

    2) PDU capacity when driving vehicle: 70kW
    - Input: Main Battery
    - Output: INVERTER 1&2, PTC Heater, A/C, LDC
  • MR-PDU_240kW
    Power Distribution Unit for Electric Vehicles
    This product consists of one input port and five output ports, and it is applied to a 5-ton truck converted into an electric vehicle.

    1) PDU Operation During Vehicle Driving
    - Input: Main Battery
    - Output: Motor, Inverter 1 & 2, LDC 1 & 2
  • MR-PDU_125kW
    Power Distribution Unit for Electric Vehicles
    This product is composed of 1 input port and 5 output ports, and it has been applied to a 1-ton electric road sweeper manufactured by RETECH Co., Ltd.

    1) PDU Operation During Battery Charging
    - Input: OBC (350V 10A)
    - Output: Main Battery

    2) PDU Operation During Vehicle Operation
    - Input: Main Battery
    - Output: Main PDU, Sub Battery, Motor, LDC
  • MR-PDU_110kW
    Power Distribution Unit for Electric Vehicles
    This product consists of 1 input port / 5 output ports and is applied to a 1-ton Hanjin Express modified electric vehicle.

    PDU operation when the vehicle is running:
    - Input: Main Battery
    - Output: Inverter, PTC Heater, A/C, LDC, AUX
* Swipe left and right
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