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Good installation practice

Good installation practice

Friday, April 20, 2018

On installation customers must consider the required creepage and clearance distances between the PSU and the end-equipment enclosure. These distances vary depending on the installation class and safety...

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Measuring Power Supply Noise Correctly

Measuring Power Supply Noise Correctly

Friday, April 13, 2018

When using an oscilloscope to measure the noise output of a power supply, one must utilise the correct return probe attachment. Usually oscilloscope probes come with the crocodile ...

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Apparent Power

Apparent Power

Friday, April 06, 2018

When using a nonlinear AC powered device it can affect the current or voltage waveform in the AC power signal. Equipment with capacitive components will resist ...

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By Not Preparing for EMC Testing You are Preparing for Failure!

By Not Preparing for EMC Testing You are Preparing for Failure!

Wednesday, January 03, 2018

EMC testing can seem straight forward, but the truth is simple things can trip you up along the way. Some easy preparation before booking...

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Power Supplies for Motion Control

Power Supplies for Motion Control

Monday, October 23, 2017

DC motor controllers are nearly all non-linear switching (PWM) topologies. As such their power requirements can be difficult to calculate. Analysing the motion profile will help us understand...

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EN62368-1 Hazard-Based Safety Engineering

EN62368-1 Hazard-Based Safety Engineering

Friday, October 06, 2017

IEC TC108 is the technical committee that advises CENELEC on the topic of standardisation of safety for audio/video and similar technology, information technology and communication technology equipment. Together...

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Peak power & power supply selection

Peak power & power supply selection

Wednesday, March 08, 2017

When driving electromechanical devices, the current can be significantly higher than normal for short durations, often lasting for hundreds of milliseconds or a few seconds at the very...

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EN55032:2012 – the new EMC standard

EN55032:2012 – the new EMC standard

Friday, February 17, 2017

The old EN55022 EMC standard for ITE (Information Technology Equipment) is being withdrawn on March 5th 2017, just around the corner! How does this affect FiDUS Power products?...

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Overvoltage and regenerative failure of 4 Quadrant servo drives

Overvoltage and regenerative failure of 4 Quadrant servo drives

Friday, October 14, 2016

In applications where the drive chain is direct drive in order to avoid unwanted gear backlash and lost motion there is a higher tendency for the “Overvoltage ...

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