PRODUCT

Global No.1 Innovator EGTRONICS

ACU28V7K

• Large capacity DC-DC Converter that supplies the power to all the load section of electric parts for large commercial vehicles (electric buses, batter changing electric buses, fuel cell buses, etc.)

• A largest-capacity product that can supply 400A (max. 500A) continuously. It has been upgraded through road tests for 10 years.

• All its performance has been proved since the introduction of the eco-friendly commercial vehicle to Korea.

ACU28V7K TECHNICAL INFORMATION and USER MANUAL.pdf

Features

• Unidirectional operation

•​​​​​​ Very high efficiency (above 96%)

•​​​​​​ Galvanically Isolated type

•​​​​​​ ZVS(Zero Voltage Switching) topology ensures very low switching losses and excellent EMC - behavior

•​​​​​​ Step Down (Buck converter) Type

•​​​​​​ CAN interface

 

Application

Specification

POWER

UNIT

ACU28V7K

REMARK

Power ratings

[ kW ]

7

Input side voltage range (Nominal)

[ V ]

550 ~ 850 (720)

Can be adjusted

Input side current ratings (Nominal)

[ A ]

9.2~ 14.2 (10.8)

Output side Voltage range

[ V ]

17 ~ 30 (28)

Output side current ratings

[ A ]

250

Control Power

[ V ]

16 ~ 32 (24)

Structure(Type)

[ - ]

Uni-Directional

Efficiency @ 80% Load

[%]

Over 96

Efficiency @ Max Load

[%]

Over 95

OPERATING CONDITION

UNIT

ACU28V7K

REMARK

Location

[ - ]

in Case

Environ. Temp.(operating)

[ ℃ ]

-40 ~ 85

Environ. Temp(storage)

[ ℃ ]

-40 ~ 105

MECHANICAL

UNIT

ACU28V7K

REMARK

Weight

[ kg ]

10

Size(W*D*H) (mm*mm*mm)

[ - ]

380 * 223 * 93

Vibration class(G)

[ g ]

6

Protection Class

[ - ]

IP69K

COOLING

UNIT

ACU28V7K

REMARK

cooling method

[ - ]

Water cooling

Required water flow rate

[ℓ/min.]

5 (Max 15)

Pressure

[bar]

1 (Max 2)

coolant Temp.

[ ℃ ]

50 (30~65)

Dimension