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  • Current-Sense Transformer Application Design Guidelines
    The standard for precise current measurement in instrumentation and other high reliability equipment applications has been the current sense transformer. They are accurate, easy to implement, and reliable under harsh environmental and thermal conditions. In electronic systems applications
  • Current Transformers
    Current transformers (CT's) provide a simple, inexpensive and yet accurate means of sensing current flow in power conductors. They are available in 3 basic configurations: Split Core CT's are available for measuring currents from 100 to 5000 amps, with windows in varying sizes from 1" by 2" to 13
  • Current Transformer Measurements
    The Current Transformer (CT) is used to sense AC current in single-phase or three-phase mains circuits. The CT typically has a 1A or 5A AC secondary that connects to a current, power or energy meter. This allows the meter to be located away from the mains wiring. CTs are available in a variety
  • Differential Current Sensing with the 1 MHz Bandwidth ACS733
    This application note describes the use of the new highly isolated, high bandwidth ACS733 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and gives an overview of its features and advantages over a highspeed current transformer (CT) current sensing solution.
  • Switch Mode Power Supplies and their Magnetics
    because of its size compared to the others, the Output Inductors, the Input Inductors and the Current Sense Transformer, each with its own important function.
  • Shunt Current Measuring up to 800A in the Inverter
    There is nothing revolutionary about the current sensing principle using a low value resistor and an isolation amplifier. It was used for the first time by the first isolation amplifiers from HP and Siemens in electric drive systems 15 years ago. Now, there are systems available from numerous
  • Using Infrared Techniques for the Condition Assessment of Isolated Phase Bus Duct (.pdf)
    The normal application of isolated phase bus duct is to make the connection between large generators and its associated generator step up transformer. The bus also is used to make connections to auxiliary, reserve auxiliary, potential, and excitation transformers, the purposes of which, are used
  • White Paper: Why Neutral Grounding Resistors Need Monitoring (.pdf)
    A resistance-grounded power system has a critical element that is often ignored-the neutral-grounding resistor. A resistance-grounded power system should have it's neutral-grounding resistor continuously monitored. During a single-phase-to-ground fault, current flows from the transformer

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