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C6 VPN Router
Customer: Altius Space Machines

Application:
 Aerospace, Robotics

Product: 
P1 Permanent Magnet Brakes
BRAKES AND CLUTCHES
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FIND OUT WHY HARMONIC FILTERS

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IEEE HARMONIC FILTERS
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VFD switching frequency

VFD switching frequency refers to the rate at which the DC bus voltage is switched on and off during the pulse width modulation (PWM) process.  The switching on and off of the DC voltage is done by Insulated Gate Bipolar Transistors (IGBTs).   The PWM process utilizes the switching of the IGBT’s to create the variable voltage and variable frequency output from the VFD for control of AC induction, permanent magnet synchronous or DC motors.  The switching frequency, sometimes called the “carrier frequency”, is defined using the unit of hertz (Hz) and is typically in the kHz (Hz*1000) range, typically ranging...
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Artificial intelligence and the future industrial job field

The notion that developing efficiency in the way we work will destroy the future job market is not new. Articles and editorials currently making the rounds show a range of reactions to how robots and artificial intelligence will affect the workforce.   The hashtag #RobotsDontKillJobs was rising on LinkedIn recently, alongside the publication of this article by Quartz.com: Germany has way more industrial robots than the US, but they haven’t caused job losses. With Germany being a leader in manufacturing, it’s no wonder people are looking to their experiences to learn more about how robots are integrating into the landscape....
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How Pulse Width Modulation in a VFD works

Variable frequency drives (VFDs) used on industrial applications provide an efficient way to vary the speed and torque of the connected motor.  The VFD consists of three main parts:  The input converter section, the intermediate DC bus, and the output inverter section.     The converter section uses a diode bridge rectifier to convert the AC input voltage to a DC voltage.  The DC bus section consists of a capacitor bank, which is used to smooth out the DC voltage from the converter section and provide some voltage storage capacity.  The inverter section of the VFD takes the DC voltage...
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Electric Motor Brakes

Electric motor brakes are used to decelerate or hold motor loads when the power is cut intentionally or accidentally.  KEB has been supplying motor brakes since our founding – this gives us more than 45 years of experience.   Beyond our core brake technology, KEB is able to offer custom designs which help motor manufacturers during assembly and meet the application requirements.  This post gives an overview of KEB’s motor brake technology and some of the value-add we provide motor OEMs.     DC Spring-Set Brakes KEB specializes in the design and manufacture of DC spring-set brakes.  Compared to AC...
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Short Circuit Current Rating (SCCR) and Fuse Selection

Protecting electrical components from short circuit current is essential when designing an electrical panel. But what exactly is the short circuit current rating (SCCR) of electrical components? More specifically, how is the SCCR calculated?   This post will go through a detailed procedure for determining the SCCR of a system, focusing on the differences between direct and isolation transformer fed systems.   What is the SCCR of a device and/or system? The short-circuit current rating is the maximum amount of RMS (Root-Mean-Squared) current an electrical component can handle when using an overcurrent protection device, such as a fuse, or for...
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