中恒NPR48-ES

中恒NPR48-ES,NPR48-ES

产品详情

中恒NPR48-ES通信整流模块可广泛应用于交换、无线和传输。综合使用了卓越的

开关技术及高可靠性的风冷设计，使得NPR48-ES通信整流模块成为灵活、可靠且高效的整流器。可在70°C的环境温度，宽范围的交流输入等恶劣环境中正常运行，并具有抗多重浪涌的能力。

当提供通常的负载电流时，中恒NPR48-ES通信整流模块运行在合适状态，达到大于92%的效率，运行成本极低。NPR48能提供恒流及恒功率的运行模式。

中恒NPR48-ES通信整流模块特征

整流器(Hot-Swap)快速在线更换

由监控模块自动设定.

智能化微处理器控制

高效和- -致性功率因数

宽泛的交流电源条件

宽泛的输出电压范围

恒定功率输出或恒定电流输出模式

可现场维护的空气滤清器

符合国际标准

交流输入

标称: 220V/50Hz

相电压范围: 175-275V(100%RRC)，100-175V(减载输出)，275V- 320V，420V可承受电压

频率范围: 45-66Hz

功率因数: >0.99 ( 20- 100%RRC)

效率:≥92% (30-85% RRC)

       ≥90% ( 20- 100%RRC)

输入端熔断器保护:相线和中线高分断快速熔断器

直流输出

整流器额定输出

恒功率模式: 3000W(62.5A@48V， 52A@58V)

恒电流模式: 52A

电压范围: 40- 58V，缺省电压(与监控模块通信中断后)输出电压保持由内部设置值决定

保持时间: > 28mS (电压> 48V，RRC输出)

启动时间:启动延迟:可调节，缺省2s，上升斜率:可设项，缺省8A/s

保护:限流值:可调范围30- 120%RRC， 缺省限流点: 100%RRC；过热减载:自动调低电流，后备惯技保护；反极性:输出由熔断器进行保护；过压关机:关机点可调，10ms 延时

电压预置精度:±0.1V

负载效应:≤0.5%

恢复时间: 0uS

超调量:  <0.5%

源效应:≤±0.03%

温度系数:≤±0.02%

电压调整率:≤±0.5%

开关机过冲幅度:无过冲

启动冲击电流:≤100%的最大输入电流有效值

Zhongheng npr48-es, npr48-es

input voltage

220V

frequency range

45-66Hz

power factor

zero point nine nine

efficiency

≥92%

power

3000W

Output current

52A

Voltage accuracy

±0.1V

Load effect

≤0.5%

temperature coefficient

≤±0.02%

number

Nine hundred and ninety

Saleable land

whole country

product details

Zhongheng npr48-es communication rectifier module can be widely used in switching, wireless and transmission. Combined use of excellent

Switch technology and high reliability air cooling design make npr48-es communication rectifier module become flexible, reliable and efficient rectifier. It can operate normally in 70 ° C ambient temperature, wide range of AC input and other harsh environments, and has the ability to resist multiple surges.

When the normal load current is provided, Zhongheng npr48-es communication rectifier module operates in the appropriate state, achieving an efficiency of more than 92%, and the operation cost is extremely low. Npr48 can provide constant current and constant power operation mode.

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Characteristics of Zhongheng npr48-es communication rectifier module

Fast online replacement of hot swap rectifier

Automatic setting by monitoring module

Intelligent microprocessor control

High efficiency and coherent power factor

Wide range of AC power conditions

Wide output voltage range

Constant power output or constant current output mode

Field maintainable air filter

In line with international standards

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AC input

Nominal: 220 V / 50 Hz

Phase voltage range: 175-275v (100% RRC), 100-175v (load shedding output), 275v-320v, 420v withstand voltage

Frequency range: 45-66hz

Power factor: > 0.99 (20-100% RRC)

Efficiency: ≥ 92% (30-85% RRC)

≥90% ( 20- 100%RRC)

Fuse protection at input end: high breaking fast fuse for phase line and neutral line

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DC output

Rated output of rectifier

Constant power mode: 3000W (62 5A@48V ， 52A@58V )

Constant current mode: 52A

Voltage range: 40-58v, the default voltage (after communication with the monitoring module is interrupted) and the output voltage is determined by the internal setting value

Holding time: > 28ms (voltage > 48V, RRC output)

Start time: start delay: adjustable, default 2S, rise slope: settable, default 8A / s

Protection: current limiting value: adjustable range: 30-120% RRC, default current limiting point: 100% RRC; overheat load shedding: automatically adjust the current, backup customary protection; reverse polarity: output is protected by fuse; over voltage shutdown: shutdown point can be adjusted, with 10ms delay

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Voltage preset accuracy: ± 0.1V

Load effect: ≤ 0.5%

Recovery time: 0us

Overshoot: < 0.5%

Source effect: ≤± 0.03%

Temperature coefficient: ≤± 0.02%

Voltage regulation rate: ≤± 0.5%

Overshoot range: no overshoot

Starting impulse current: ≤ 100% effective value of maximum input current

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