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High Voltage Testing, Calibration & Commissioning

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Live line calibration and testing
  • Techniques for performing calibration of instrument transformers without outage
  • Revenue metering system calibration
  • CVT calibration
  • Power quality and harmonics measurements
Staged fault testing
  • High bandwidth, wide dynamic range instrumentation for transient capture
  • Optical measurement systems with isolation and immunity to electromagnetic interference
Field investigation of HV switching phenomena
  • TRV and fast transient measurements
  • Inductive and capacitive load switching measurements and analysis

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Wide Area Measurements

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Synchrophasor systems
  • Business case development and investment justification
  • System architecture, design and deployment planning 
  • Calibration of synchrophasor measurement points including PMUs, instrument transformers and related cabling and burdens.
  • Real-time and off-line application expertise


Substation Automation and Instrumentation

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Digital Substation
  • Roadmap development
  • Readiness assessment
  • Planning
  • Architecture development
  • Maintenance strategy development
  • Training, resource management
  • Test plan development
  • Merging unit installation, evaluation and testing


Substation Measurement Systems Service

  • Repair, installation and maintenance of substation measurement systems:
    • High voltage sensors
    • HV voltage transformers
    • Capacitive voltage transformers
    • HV current transformers
    • Phasor measurement units
    • Revenue metering systems
  • On-site calibration and diagnostics 
  • End-to-end system performance verification 

Sample Projects

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  • Specification, testing, and field study of medium voltage sensors for smart grid project
  • Live line calibration of capacitive voltage transformers 
  • Transient data capture on staged fault test for series capacitor platform
  • Digital substation proof or concept design.
  • Digital substation architecture, focus on process bus and merging units.
  • Consultation in design and deployment of first production grade synchrophasor system in North America using IEC 61850-90-5 for synchrophasor data communication
  • Numerous projects with manufacturers and standards organizations in digital substation initiatives.


© NuGrid Power Corp. 2020
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