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  • UltraVolt HVPS Output-Current Monitor
    UltraVolt's high-voltage power supplies (HVPSs) have an output-current monitor (Iout Monitor), which allows the total output current of the HV multiplier to be monitored. Note, since the sense circuit is in the return path to the transformer, the current-monitor signal has a sign opposite
  • Bar Transformers
    Bar transformers (bar current transformers) are toroidal transformers with a bus bar permanently inserted through the window of the toroid. The bus bar serves as the primary conductor. Bar transformers are inserted directly into the circuit which they will be used to monitor. It is a common error
  • Ergon Energy Optimizes its Asset Ultilization with Online Transformer Monitoring
    Energy is. increasing the use of online monitoring of their assets. Vaisala's MMT338 transmitters monitor online moisture of transformer oil. helping in maintenance planning and daily grid operations.
  • 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
  • Flexible Solutions for Isolated AC Line Monitoring
    of power supplies. While standalone ADCs are available, they require external galvanic isolators to connect to the mains or other high-voltage systems. AC line monitors come in many shapes, sizes and feature sets. Learn more about how to select the most flexible ac line monitor that best complements
  • Using Current-Limiting Fuses to Increase SCCR of Industrial Control Panels (.pdf)
    can be avoided by using a continuous neutral-grounding-resistor monitor. This paper reviews the benefits of resistance grounding, compares continuous resistor monitoring with planned maintenance testing and inspection, and defines the characteristics required of a neutral-grounding-resistor monitor
  • Why Neutral Grounding Resistors Need Monitoring (.pdf)
    can be avoided by using a continuous neutral-grounding-resistor monitor. This paper reviews the benefits of resistance grounding, compares continuous resistor monitoring with planned maintenance testing and inspection, and defines the characteristics required of a neutral-grounding-resistor monitor
  • Factors in the Selection of MIL-STD-1553 Couplers, Connectors and Harnesses
    couplers have values as low as 50 ohm while others can be as high as 59 ohm. It must be remembered that their primary function is fault isolation, preventing an RT, BC or monitor stub cable problem from destroying the integrity of the bus.

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