输入特性 Input Characteristics

项 目

Item

技术要求

Requirement

单 位

Unit

备 注

Note

交流输入电压范围

Ac input voltage range

85~285

Vac

90Vac-264V 输出满载 850W

额定输入电压范围

Rated input voltage range

90~264

Vac

额定输入电压

Rated input voltage

230

Vac

交流输入电压频率

Frequency of ac input voltage

44~66(额定值为 50/60)

44 ~ 66(rated 50/60)

Hz

功率因数

power factor

≥0.90

额定输入，100%负载

Rated input, 100% load

输入电流总谐波

Total harmonic of input current

≤15%

额定输入，100%负载

Rated input, 100% load

启动冲击电流

Inrush Current

≤30

A

264Vac/冷态 Normal temperature

condition /额定负载Rated load

最大输入电流

Max Input Current

≤10

A

185Vac/额定负载 Rated load

输出特性 Output Characteristics

项 目

Item

技术要求

Requirement

单 位

Unit

备 注

Note

输出电压范围

Output Voltage Range

42-55

Vdc

监控可调,所有配置出厂前配置

OK,出厂后只可通讯不可升级或其他操作。

The monitoring is adjustable, an d all configurations are OK bef ore delivery. After delivery, only communication can be perform ed, but no upgrade or other ope rations can be performed.

额定输出电压

Rated output voltage

48

Vdc

没有监控默认 48V 输出，有监控则调整至 42V 输出

If there is no monitoring, the d efault output is 48V. If there is monitoring, the output is adjust ed to 42V

额定输出电流

Output Current

0-17.7

A

效率Efficiency

≥92%

230Vac、50%-100%负载

温度系数

temperature coefficient

±0.02

%/℃

输出纹波及噪声

Ripple and noise

≤200

mVp-p

带宽≤20MHz

20 MHZ bandwidth or less

开机启动时间

Startup time

≤3

S

输出上升时间

Output rise time

200

mS

输出电压从 10%上升至额定电压的 90%时间，额定负载。

The output voltage rises from 10% to 90% of the rated voltage for the

rated load.

开、关机过冲幅度

On and off overshoot

≤±5

%Vo

额定输入电压，输出满载。

Rated input voltage；Output full load.

动态响应

Dynamic

过冲幅度

overshoot

≤ ±5

%Vo

25% ～50%、50%～ 75%负载跳变。由于负载的阶跃变化引起的直流输出电压变化后的恢复时间应不大于 200us，其超调量应不不超过输出电压整定值的±5%。25% to 50%, 50% to 75% load

jump. The recovery time after the dc output voltage change caused by the step change of the load should not exceed 200us, and the overshoot should not exceed ±5%

of the output voltage setting value.

恢复时间recovery tim e

≤ 200

µS

稳压精度

Voltage regulation accuracy

≤±0.6%*Vo

电话衡重杂音电压

The telephone balances the noise voltage

≤2

mV

宽频杂音电压

≤50

3.4～150KHz

Broadband noise voltage

≤20

mV

0.15～30000KHz

离散杂音

Discrete noise

≤5

mV

3.4～150KHz

≤3

150～200KHz

≤2

200～500KHz

≤1

500～30000KHz

保护特性protective characteristics

项 目

Item

技术要求

Requirement

单位

Unit

备 注

Note

输入欠压告警点

Enter the undervoltage alarm point

90

Vac

告警作用，不做其他处理

Alarm function, do not perform other operations

输入欠压保护

Input undervoltage protecti on

80±2

Vac

输入欠压恢复点

Input the undervoltage recovery point

85±2

Vac

额定电压范围(90Vac-264Vac) Rated voltage range (90Vac-264Vac)

输入过压保护

Input overvoltage protection

290±2

Vac

输入过压保护恢复点

Input overvoltage protection recovery point

280±2

Vac

输入频率保护

Input frequency protection

＜44 或＞66

< 44 or > 66

Hz

关闭输出，输入频率恢复至正常范围，输出自动恢复。

Turn off the output, input frequency to

normal range, output automatic recovery.

输出过压保护

Output overpressure protection

≥58

Vdc

锁死，断电重启后才能恢复。

Lock, power off and restart to restore.