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  • Troubleshooting Infrequent Alarms in a Substation
    CAS DataLoggers recently provided a dataTaker DT80 datalogger for a manufacturer experiencing 'Under Frequency' alarms at their electrical substation which were slowing production. Maintenance staff wanted to log their power levels, but the infrequent nature of these faults meant that they would
  • Adjusting Severity Criteria
    has forced me to adjust my severity criteria for specific IR anomalies. This paper highlights two cases where sticking to the standard IR severity criteria would have resulted in a disaster. I have been doing substation and electrical maintenance for over 35 years. For the last 14 years, I have
  • How Thermography is Carried Out for the National Grid in New Zealand
    and carrying out the repair. INTRODUCTION Transpower owns the National Electrical Grid in New Zealand and takes the maintenance of its substations very seriously. ABB Limited (along with other contracting companies) carries out scheduled maintenance on substation and transmission lines for Transpower
  • AvoidingGrid Meltdown
    Special electronics can boost the capacity of the nation's power grid and lessen the need for expensive new generation facilities. The scale of a typical UPFC inverter becomes evident from this photo of the inverter hall taken at the American Electric Power Inez substation located in eastern
  • SNAP DNP I/O
    , is an open and expandable DNP slave hardware device that connects substation equipment (e.g., power transformers, motor operators, circuit breakers) and other critical utility systems to master SCADA stations over standard Ethernet networks. represents a lower-cost, non-proprietary

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