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DCDC540-48-3K-F

Standalone DC-DC Power Supplies
Product Overview

The stand-alone power supply with ultra-small size, powerful products, superior performance, the output has a constant current, constant voltage and stepless regulation of voltage and current regulation; over-temperature automatic derating, over-current, short circuit and other multiple protections, with the input and output status and other parameters of the monitoring and self-diagnostic function.


Model: DCDC540-48-3K-F

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

Rated output DC voltage:48V±0.3

Operating Temperature:-40℃-+85℃

Cooling method: air-cooled     

Protection grade:IP65         

Power:3KW           

Net weight:<7.5KG

Efficiency of the whole machine: ≥90%

Control mode: hard line high and low enable/CAN enable

Product size: L278mm*W201mm*H111mm

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Application field

This power supply is mainly used for electric buses, city trolley buses, trams, subways and light railways as DC power supply. This converter is a high performance switching power supply, 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

55℃以上降额使用

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

 

 

1、输 入 特 

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

9~32

Vdc


2、输 出 特 

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110A,峰值130A(6Min)

 

 

A

额定 3kW,峰值 3.6kW(冷态 开机后保持时间>6 分钟) 当输入电压低于 450V 时, 输出电流进行降额

2.4

整机效率

≥90

%

额定输入半载

 

 

 

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 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

硬线高低使能/CAN 使能


可根据客户需求定制开发

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

280-290

Vdc


3.4

输入欠压恢复

290-300

Vdc


3.5

输入反接保护

/


3.6

输出过压保护

31-33

Vdc

关机打嗝

3.7

输出欠压保护

17-19

Vdc

关机打嗝

3.8

过流保护

/


3.9

过温保护

100

模块内部温度

3.10

输出短路保护

/

关机保护,当故障移除时可自恢复

3.11

输出反接保护

/

在静态条件下当电池接反时,模块保护,当故障移除可自恢复(仅电池负载)

3.12

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)

六、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。


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3000V1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

 

七、机械特性

1、外形和结构尺寸图 机壳本体:长×宽×高=(278±0.5)mm×(201±0.5)mm×(111±0.5)mm image 

2、接插件定义(接插件仅供参考,以实际需求为准)

image

image 

 


7


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