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DCDC540-48-6K-F

Standalone DC-DC Power Supplies
Product Overview

The stand-alone power supply has ultra-small size, powerful function and excellent performance, the output has constant current, constant voltage and stepless voltage and current regulation function; it has multiple protections such as over-temperature automatic derating, over-current, short-circuit and so on, and it has monitoring and self-diagnostic function for each parameter such as input and output status.


Model: DCDC540-48-6K-F

Input DC voltage: 540V(300-750V)

Rated output DC voltage:27.5V(24-30V) 

Operating Temperature:-40°C-+85°C

Product size:L363.8mm*W232mm*H121mm(±0.5mm)

Cooling method: air-cooled

Protection grade: IP65

Efficiency of the whole machine: ≥94%

Power: 6KW             

Net weight: <14kg

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Application field

This power supply is mainly used in electric buses, city trolley buses, trams, subways and light railways as a DC power supply. This converter is a high performance switching power supply which can power lights, wipers and horns as well as on-board DC air conditioning. It can be widely used in pure electric vehicles as well as hybrid vehicles. High reliability, high efficiency, small size and light weight are the features of this converter.

Product details

三、环境条件

序号

1

工作温度

-40— +85


2

储存温度

 -40— +105


3

相对湿度

95

%


4

海拔高度

0-3000

m


5

冷却方式

风冷


用户选择,空调负载建议选用风冷

 

四、电气特性

 序号

产品型号

输入

输出

1

DCDC54048-6K-F

300-750VDC

48V/125A/6KW

注:风冷散热

 

1、输   

序号

 

 

1.1

额定输入电压

500~600

Vdc

针对540Vdc电池

输入电压范围

300~750

1.2

静态电池漏电流

≤10

mA

关机状态下电池漏电流

1.3

使能控制电压



2、输   

2.1

额定输出电压

48

Vdc

额定输入、输出半载

2.2

整定输出电压

48±0.3

Vdc

2.3

输出电流及功率

额定100

A


2.4

整机效率

≥90

%


2.5

输出纹波及噪声

≤300

mVp-p

在额定输入电压和负载范围内进行,且测试时在输出端并0.1mF瓷片或金膜电容和10mF电解电容各一个,示波器带宽为20MHz

2.6

开机启动时间

≤3~4

S


2.7

稳压精度

≤±1

%


2.8

控制方式

无使能/高使能


高使能外接9-32V

3、保护特性

3.1

输入过压保护

755-765

Vdc


3.2

输入过压恢复

750-760

Vdc


3.3

输入欠压保护

285-295

Vdc


3.4

输入欠压恢复

490-500

Vdc


3.5

输入反接保护

/


3.6

输出过压保护

57-59

Vdc

可自恢复

3.7

输出欠压保护

37-39

Vdc

可自恢复

3.8

过流保护

/


3.9

过温保护

90℃

铝基板温度;自动恢复

3.10

输出短路保护

/

关机保护,当故障移除时可自恢复

3.11

风扇故障保护

/

在风扇故障时模块自动降额运行,直至模块过温保护关闭输出 (仅风冷模块)

五、其它环境要求

序号

  

   

 

1

气味要求

不能产生异味和有害健康的气味


2

环保要求

满足2002/95/EC;

没有镉、氢化物和氟化物;聚化物物质必须打上标志;不能发出有机化合物;没有石棉;包装物要能回收。


六、安规及EMC特性

序号

 

 准(或测试条件)

 

1

抗电强度

输入—输出

3000Vdc/10mA/ 1min

应能承受直流电压3000V, 1分钟,漏电流≤10mA,无击穿或飞弧现象

输入—大地

3000Vdc/10mA/ 1min

应能承受直流电压3000V,1分钟,漏电流≤10mA,无击穿或飞弧现象

2

绝缘

电阻

输入对输出

输入对外壳

≥20MΩ@500Vdc

输入对输出,输入对机壳加500Vdc&正常气压,相对湿度90%中测试

3

传导

GBT 18387-2008

150k~30MHz /CISPR 25

4

辐射

GB14023-2011

30M Hz~2.5GHz /CISPR 25

5

电磁抗扰

满足标准要求

GB/T 17619-1998

6

静电ESD

GB19951-2005  ±8k空气放电Level 3

GB19951-2005 ±6kV接触放电Level 3

 



7


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