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  • Current-Sense Transformer Application Design Guidelines
    such as switch-mode power supplies, current transformers are generally used for control, circuit-protection, and monitoring features. With the increasing availability of OTS (Off-The-Shelf) current transformers, a simple guideline can greatly help in the selection of proper and cost-effective components
  • Fiber optic temperature solutions for generator and transformer
    Due to the growing demand of energy existing power plants and grids are stretched to their limits. To ensure operational safety, critical factors such as temperature has to be monitored in generators and transformers. High power generators are often filled with hydrogen in order to cool effectively
  • Selecting Harmonics Transformers vs. K-Factor
    The first signs of the incompatibility between conventional building power distribution systems and personal computers became obvious in the mid-1980s as more and more personal computers appeared in the workplace. One decade later, personal computers, monitors, powerful workstations, laser printers
  • Comparing Harmonics Mitigating to K-Factor Transformers
    for treating non-linear load generated harmonics. 1. The load harmonic spectrum used is that of a typical 120V, 1-ph., switch-mode power supply. Examples of such loads include personal computers, monitors, telecommunications and broadcasting equipment. 2. Each 112.5 kVA transformer is fed by a distortionless
  • Predicting and Preventing Transformer Outages in a Steel Mill
    crews rely on condition monitoring technologies like ultrasound inspection and infrared. imaging to predict electrical component failures in all systems including substations, MCC gear, transformers, and the like.
  • Caging Transformer: EMI Still An Important Design Issue (.pdf)
    Traditionally, little regulatory pressure is applied to reduce these emissions, but that picture now is beginning to change. Sensitive telecommunication systems and vital medical measuring and monitoring equipment rely heavily on electronics, which makes them more susceptible to disruption by EMI
  • Understanding the Uncertainties of DGA Monitoring
    Although it is not an exact science, dissolved gas analysis (DGA) has been used to assess transformer condition for decades, as it is the only method that can detect and diagnose internal faults in transformers. Online monitoring has been available since the late 1990s and today there are various
  • Monitoring Higher Voltages
    Some building electrical systems just will not cooperate when it comes time to monitor power. You search and search and cannot find a point to monitor power on the low voltage side of the transformer (below 600 volts). Now you must face the fact that only the high voltage side can be used for power

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