Useful Information from Everyday Practice
3.13
Short-Term Mains Buffering
In many applications the power supply unit must also buffer the DC voltage during short-
term interruptions of the supplying AC voltage.
For primary-switched mode power supply units this can be achieved with a minimum effort
by buffering the 600 V DC voltage in the intermediate circuit using capacitors.
The aim should be mains buffering of at least 20 ms in order to be able to buffer the voltage
dip of a complete line supply cycle.
For three-phase power supply units the mains buffering time is reduced in the event of a
phase failure because the capacitors in the intermediate circuit have not been completely
charged.
Emergency stop
To implement emergency stop circuits in conjunction with energy-storing power supply
units, please refer to section 3.16, "Installation and Connection".
All QUINT POWER, MINI POWER and STEP POWER power supply units from
Phoenix Contact are able to buffer the output voltage for more than 20 ms in the event
of a power failure.
5598_en_03
PHOENIX CONTACT
3-37
相关PDF资料
2938853 DIN RAIL POWER SUPPLY 24VDC 5A
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2938879 POWER SUPPLY 40A 100-240AC 24DC
2938976 POWER SUPPLY 20A 100-240AC 48DC
299D225X0025AB1 CAP TANT 2.2UF 25V 20% RADIAL
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相关代理商/技术参数
2938853 功能描述:DIN导轨式电源 QUINT 24VOLT 5AMP RoHS:否 制造商:Mean Well 产品:Linear Supplies 商用/医用:Commercial 输出功率额定值:960 W 输入电压:180 VAC to 264 VAC, 254 VDC to 370 VDC 输出端数量:1 输出电压(通道 1):48 V 输出电流(通道 1): 输出电压(通道 2): 输出电流(通道 2): 输出电压(通道 3): 输出电流(通道 3): 尺寸:150 mm L x 110 mm W
2938860-2 制造商: 功能描述: 制造商:undefined 功能描述:
2938866 功能描述:DIN导轨式电源 QUINT100-240AC/24DC 24VDC 10A RoHS:否 制造商:Mean Well 产品:Linear Supplies 商用/医用:Commercial 输出功率额定值:960 W 输入电压:180 VAC to 264 VAC, 254 VDC to 370 VDC 输出端数量:1 输出电压(通道 1):48 V 输出电流(通道 1): 输出电压(通道 2): 输出电流(通道 2): 输出电压(通道 3): 输出电流(通道 3): 尺寸:150 mm L x 110 mm W
2938879 功能描述:DIN导轨式电源 QUINT 24VOLT 40AMP RoHS:否 制造商:Mean Well 产品:Linear Supplies 商用/医用:Commercial 输出功率额定值:960 W 输入电压:180 VAC to 264 VAC, 254 VDC to 370 VDC 输出端数量:1 输出电压(通道 1):48 V 输出电流(通道 1): 输出电压(通道 2): 输出电流(通道 2): 输出电压(通道 3): 输出电流(通道 3): 尺寸:150 mm L x 110 mm W
2938905 制造商:Phoenix Contact 功能描述:Primary Switched-Mode Power Supply
2938918 功能描述:DIN导轨式电源 100-240AC 5DC 4A RoHS:否 制造商:Mean Well 产品:Linear Supplies 商用/医用:Commercial 输出功率额定值:960 W 输入电压:180 VAC to 264 VAC, 254 VDC to 370 VDC 输出端数量:1 输出电压(通道 1):48 V 输出电流(通道 1): 输出电压(通道 2): 输出电流(通道 2): 输出电压(通道 3): 输出电流(通道 3): 尺寸:150 mm L x 110 mm W
2938921 功能描述:DIN导轨式电源 100-240AC 12DC 3A RoHS:否 制造商:Mean Well 产品:Linear Supplies 商用/医用:Commercial 输出功率额定值:960 W 输入电压:180 VAC to 264 VAC, 254 VDC to 370 VDC 输出端数量:1 输出电压(通道 1):48 V 输出电流(通道 1): 输出电压(通道 2): 输出电流(通道 2): 输出电压(通道 3): 输出电流(通道 3): 尺寸:150 mm L x 110 mm W
293893-000 制造商:TE Connectivity 功能描述:RD16A20-31-S9-00