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  • Resistor Databook
    Typically used with control IC for power supply protection circuits, charging/discharging control circuits of battery-packages, and motor control circuits. * For power supply protection and motor control application o (1) A protection circuit o (2) To control the current and function ? Power supply
  • Regenerative Power Units Save Energy
    When an electric motor is driven by a variable frequency drive (VFD), electric power delivered to the motor is regenerated while the motor decelerates by applying negative torque to the motor shaft. Usually energy storage capacity inside the VFD is very limited so regenerative energy should
  • Application Note: Creating a 4-20 Ma Current Loop on the ACT-1B and ACT-3
    Think of the IO port as a variable resistor that regulates the current to 4-20 ma in the loop. All the other. devices in the loop are represented as a resistor equal to the input resistance of all the devices combined. This maximum allowable value for this resistance depends on the power supply
  • D/A Conversion Using PWM and R-2R Ladders to Generate Sine and DTMF Waveforms
    ) for telephone dialing, controlling the speed of a motor, generating sound and complex waveforms, and generating variable voltages in a power supply.
  • Predicting Operating Temperature and Expected Lifetime of Aluminum-Electrolytic Bus Capacitors with Thermal Modeling
    Large-can aluminum electrolytic capacitors are widely used as bus capacitors in variable-speed drives, UPS systems and inverter power systems. Accurate thermal modeling of the capacitor's internal temperature is needed to predict life, and this is a challenge because of the anisotropic nature

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