Air-Cooled Switchmode Power Supplies

air-cooled switchmode smps

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Dynapower offers the latest generation of air-cooled switchmode DC power supplies. Featuring an innovative design that provides operational and installation advantages, Dynapower air-cooled switchmode power supplies provide the reliability and functionality you need, while maximizing your space and cost savings.

The air-cooled switchmode DC power supply is a solid state AC to DC power conversion system. The system functions by first rectifying the AC input to an unregulated DC voltage. This intermediate DC voltage is then chopped using pulse-width modulation through an H-Bridge configuration into a high-frequency transformer. The output of the transformer is rectified and filtered to provide a precisely controlled high current DC output with <2% AC Vrms content. The high switching frequency enables a smaller package, less ripple, higher efficiency, and provides for a faster control loop.


Air-Cooled Switchmode Standard Configurations

Additional Available Standard Configurations:                                                        *All standard configurations are 60Hz.
15-18V 150-200A 220VAC                                                                                           *Custom configurations available.
24-30V 100A 220VAC
24V 150A 220VAC

Supply Voltage: See table above
Output Voltage: See table above
Output Current: See table above
Dimensions: 5.25″ (H) x 19″ (W) x 23.25″ (D)
Protection Class: Stainless steel enclosure with sealed electronics
Power Factor: .93 throughout operating range
Efficiency: 0.9 at rated output
Ambient Temp: Max 104°F
Cooling: Forced air cooling
Control Precision:  Voltage/current < ± 1%
DC Ripple: 2% at ALL outputs
Voltage Regulation: 1% from 10-100% of rated output
Current Regulation: 1% from 10-100% of rated output
Duty Ratio: Designed for continuous operation at rated load
Protection: Over-Temperature, Over-Voltage, Over-Current

Dynapower switchmode power supplies are designed to be easy to operate.  All output adjustments are made from the control keypad located on the front panel of the unit. Controls include:

• Power on/off switch
• Voltage and current set-point control push-buttons
• Alphanumeric display for voltage and current set-points
• Voltage and current mode indication lights
• Digital DC ammeter
• Digital DC voltmeter

• Reversing section available up to 300A
• Remote control enclosure with potentiometers and meters
• Amp hour meter and cycle timer
• 50Hz configurations