Reactive Power Compensation at Big Hill Switchyard: A Case Study

July 12, 2012 | Online ::

The Competitive Renewable Energy Zones (CREZ) project is the Public Utility Commission of Texas’ response to a public mandate to increase renewable energy in Texas to serve the electric needs of the state. LCRA Transmission Services Corporation is one of several transmission service providers that have been formally ordered by the Public Utility Commission of Texas (PUC) to construct the new transmission lines that will be required to connect the wind energy resources to the load centers throughout the state. The Big Hill substation is a new facility and had to be built to accommodate, and compensate for, the integration of large amounts of wind power.  This presentation will detail the specifications of the new substation along with installation and operation experiences.

Learning Outcomes

• Identify applicable IEEE standards and guides used when installing reactor and capacitor banks
• Analyze problems and solutions associated with installing high voltage capacitor banks and reactors
• Describe how to prevent electromagnetic interference created by substation reactive equipment
• Examine options for grounding reactive equipment

• Competitive Renewable Energy Zones (CREZ) and LCRA
• Big Hill Substation
  • Overview
  • Reactive Equipment and Reactive Elements
  • Capacitor Bank Concerns and Protection
    • Fuse vs. Fuseless
    • Inrush, Outrush, and Back-to-Back Switching
    • Transient Recovery Voltage
    • Discussion of the Following Standards:
      • IEEE C37.99-2000
      • IEEE Std 18 – 2000
      • IEEE C37.06-2009
    • Protection
  • Reactors
    • Equipment Specifications
    • IEEE C37.015-2009
    • IEEE C57.21-2008
    • Protection
  • Addressing Grounding Concerns
    • IEEE Guide C37.99-2000
  • Electro Magnetic Interference Concerns and Solutions with IEEE 205-2007
    • Cable Routing
    • Shield and Shield Grounding
    • Substation Grounding and Parallel Conductors
  • Transient Recovery Voltage(TRV) Study and Solution for High TRV to Include:
    • IEEE C37.06.1 – 2000

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Reactive Power Compensation at Big Hill Switchyard: A Case Study

July 12, 2012 | Online