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.
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