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  • Transformer Theory
    A transformer is an energy transfer device. It has an input side (primary) and an output side (secondary). Electrical energy applied to the primary is converted to a magnetic field which in turn, induces a current in the secondary which carries energy to the load connected to the secondary
  • The Importance of Effective Transformer and Control Transformer Protection (.pdf)
    The importance of effective transformer and control transformer protection cannot be over emphasized. After motors, transformers are typically the second most common application where proper overcurrent protection is required and utilized to provide the necessary protection to facilities
  • Current Transformer Overview
    A current transformers (CT) is a device that can detect a current through a wire passing through its center. This wire constitutes a one-turn primary for the transformer, and the winding on the CT constitutes the secondary of the transformer.
  • Vaisala Tackles Transformer Downtime
    Customer shipping begins for unique in-oil condition monitoring probe that provides critical early warning information to track transformer faults.
  • The Secrets of Transformer Cooling
    As our transformer fleet continues to age, caring for these units requires a high level of expertise. This is due to the level of complexity of the cooling systems and subsystems involved. In order to help you better understand how you can maintain your own systems, I will explain maintenance tips
  • Mitigating Isolation Transformer (.pdf)
    Transformer efficiency shall satisfy EPA Energy Star (R) requirements at not just 35% load as required by NEMA Std. TP-1, but also over the operating range from 35 to 65% load.
  • Transformer Basics (.pdf)
    There is more than meets the eye in the insulation employed in transformers. Among the. design and construction considerations are temperature and voltage ratings. To those unfamiliar with transformer manufacturing, terms such as fish, kraft, natural fiber and gum might sound like the main
  • Wideband Transformer Characteristics
    After deciding which of the configurations is required, major characteristics of wideband transformers are: Input and Output Impedances. Impedances are determined by the source and load impedances to be interfaced by the transformer. Inasmuch as the transformer is essentially a loss less device

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