Power Supplies

April 2023
Conduction Cooled, Fanless 3-phase High-Efficiency Power Supply Delivers 3.5kW to Highly Demanding Applications

Conduction Cooled, Fanless 3-phase High-Efficiency Power Supply Delivers 3.5kW to Highly Demanding Applications

­COSEL Co, Ltd announced the launch of the HCA3500TF, a fanless 3-phase / 3-wire 3500W AC/DC enclosed power supply, design optimized for industrial equipment such as high-frequency amplifiers, laser processing machines and robotics. Addressing worldwide applications and 3-Phase Delta or 3-Phase Star networks, the
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Date:
04/25/2023
Acopian Expands High Power Programmable Linear Power Supply Line

Acopian Expands High Power Programmable Linear Power Supply Line

­Acopian expanded their high power linear Rack and Benchtop power supplies rated up to 1200W. Models now include dc wide-adjustment output voltages ranging from 0-5VDC to 0-150VDC and up to 1200 watts. All voltages are available in 2U, 3U and 4U high configurations. All models are voltage and curre
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Date:
04/24/2023
TDK Offers its First Range of EMC High-Current Filters with Exceptional Attenuation Characteristics from 9 kHz Upwards

TDK offers its first range of EMC high-current filters with exceptional attenuation characteristics from 9 kHz upwards

­TDK Corporation introduces with its B84143C*S250/S251 series the new EPCOS 3-line EMC filters for converter applications with high currents. Depending on type, they are designed for rated voltages of 305/530 V AC and 440/760 V AC (50/60 Hz) at rated currents of 160 A to 2500 A. One particular performance characteristic is the
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Date:
04/05/2023
Accuracy and Precision in High-Voltage Power Supplies

Click image to enlarge

Figure 1: The difference between accuracy and precision

­Power rails for high-voltage applications often require tight load and line regulation with low noise. This article discusses how ‘precision’ and ‘accuracy’ are separate considerations and how they are typically achieved in a power converter design. The terms ‘accurate’ and ‘precise’ are, well
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Date:
04/01/2023
Considerations in Choosing a Medical AC-DC Power Supply

Considerations in Choosing a Medical AC-DC Power Supply

­Choosing a power supply for medical equipment applications can be challenging, to ensure that the correct qualified power supply is chosen. The following article is intended to dispel some of the uncertainty and provide a brief overview of some of the terminology and some of the areas to be considered in the fi
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Date:
04/01/2023

 

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