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Engineering Reference Materials for Diagram Autotransformer
  • Autotransformers

    Autotransformers are used in step-up or step-down applications. The significant distinction of an autotransformer is that the primary and secondary windings are electrically common to each other, providing no isolation. They also have the limitation that they therefore provide no regulation

  • Autotransformers (.pdf)

    Where electrical isolation is not required between the supply and load, one can match the supply voltage to load voltage through a step up or step down autotransformer. Autotransformers have a portion of their winding common to the input (supply) side and output (load) side and hence cannot be used

  • Technical Article: Mechanical Voltage Regulator Characteristics - Power Quality vs Line Drop

    autotransformer and variable autotransformer.

  • Motor Starters

    . In addition to load demands, power company regulations may limit the current surge or voltage fluctuation that can be imposed on the power supply during motor starting. Many starters apply reduced voltage to motor windings; primary resistor, primary reactor, autotransformer, and solid state. Part

  • Using a PIC (R) Microcontroller for DMX512 Communication

    AN1076 (R) Using a PIC Microcontroller for DMX512 Communication place of auto-transformers, becoming quite popular, Author: Parthiv Pandya particularly the 0-10V analog consoles. Still, this Microchip Technology Inc. system had three major drawbacks: 1. It was prone to noise. 2. Dimming could

Product Announcements for Diagram Autotransformer
E Craftsmen Corporation
Custom Autotransformers

Creative designs with optimal performance - we provide efficient transformers for all demanding industries. From concept through delivery, we collaborate with customers to minimize risk and provide carefully constructed transformers with fine attention to specification. Contact E Craftsmen Corporation with your custom autotransformer specifications.

Triad Magnetics
Custom Autotransformers

Triad Magnetics' pioneering design process promotes innovation. There are thousands of Triad Magnetics designs providing application solutions throughout the world, from data processing to telecommunications to power conversion. Our engineers are experienced in all styles, Thru-hole, SMD, Leaded, Planar, Toroidal, Potted, Flat Wire, Litz Wire, Bobbin Wound, Edge Wound, Section Wound, Low Frequency, High Frequency, Low Voltage and High Voltage. If you need it, we can design and manufacture it.

Crane Aerospace & Electronics
Auto-Transformer Rectifier Units (ATRU)

ELDEC auto-transformer rectifier units carry on the tradition of providing affordable, efficient, light weight and reliable converters while meeting today's new stringent power quality requirements. All ATRUs are custom designed and operate from either 115 or 230 V ac and are sized from 1 to 200 kW. They are simple, reliable, have overload capability, input/output isolation and are low cost.  Features. 95-98% efficient. 1 kW to 200 kW. Output voltage: 270 & 540 V dc. Output current: 4...