Burrard Thermal Generating Station, BC Hydro
Project Type: Thermal
Sequoia’s Role:
• Distributed control system implementation on 3- 150MW gas-fired thermal generators
• Control systems supervision, responsible for instrumentation, controls and protection
• DCS supply and engineering contract management
• Responsible for DCS system drawings generated automatically with InTools
• InTools database administration
• Commissioning
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Cheakamus Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Design of the protection, alarm and metering panel
• Supervisory interface panel
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G. M. Shrum Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification and installation instructions for a universal spare static exciter for BC Hydro’s largest generators
• Exciter replacement for eight 270 MW generators
• Governor replacement on five 270 MW generators
• Sequential event recorder
• Digital redundant speed sensing
• Air gap monitoring system
• Provided digital governor training course for electrical and protection control personnel
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Marion Creek
Project Type: Hydroelectric
Sequoia’s Role:
• HMI and PLC programming
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Sutton Group
Project Type: Hydroelectric
Sequoia’s Role:
• HMI and PLC programming
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John Hart Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Generators 1-6 control system upgrade
• Factory testing of protection and control panels
• 125VDC/24VDC station service upgrade
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Snoqualmie Generating Station, Puget Sound Energy
Project Type: Hydroelectric
Sequoia’s Role:
• Redevelopment/design of two vintage hydroelectric generating facilities; total of seven units and 52 MVA
• Senior electrical review and Engineer-of-record
• Specification review
• Protection design
• Grounding design
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Wahleach Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Design of the protection, alarm and metering panel
• Redesign of over-velocity detection system
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Buntzen Lake Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Provided troubleshooting support for digital governor system
• Provided digital governor training course for electrical and protection control personnel
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Ladore Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Design of the protection, alarm and metering panel
• Remote intake gate control over fibre
• Exciter replacement
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Ash River Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Wireless communication feasibility study for intake gate
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Alouette Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Designed and commissioned remote adit gate control
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Waneta Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification review
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Peace Canyon Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification and installation instructions for a universal spare static exciter
• Air gap monitoring system
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Seven Mile Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification and installation instructions for a universal spare static exciter
• Dead bus synchronization/close control upgrade
• Control System Operation, Maintenance and Troubleshooting manuals
• Specification and project management for 230 kV SF6 GIS replacement
• Electrical/controls design improvements on a $65M dam safety project
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Revelstoke Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification and installation instructions for a universal spare static exciter
• Control System Operation, Maintenance and Troubleshooting manuals
• Air gap monitoring system
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Mica Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification and installation instructions for a universal spare static exciter
• Air gap monitoring system
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Kootenay Canal Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Specification and installation instructions for a universal spare static exciter
• Specification and project management for 230 kV 170 MVA unit transformer replacement
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Puntledge Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Design of the protection, alarm and metering panel
• River siren control system implemented in Delta V
• Fish screen control system modifications
• Trashrack monitoring system
• Automatic runback scheme modifications
• Supervisory interface design
• Improvements to the operation and design of the generating station with respect to public safety
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Hugh Keenleyside Navigation Lock, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Wound rotor induction motor replacement with four 200 hp VFDs for hoisting operation
• Complete control system replacement with PLC-based control system
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Vancouver Island Terminal, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Two 50MVar synchronous condenser control system upgrade to PLC-based control system (BC Hydro's first unit automation)
• Static exciter upgrade to two 50MVar synchronous condensers
• HVDC valve hall heating and ventilation PLC program
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Arnott Substation, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• HVDC valve hall heating and ventilation PLC program
• HVDC maintenance support
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Ruskin Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Protection, alarm and metering system replacement feasibility study
• Preliminary design of five radial spillway gate controls and associated power distribution
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Electric Power Research Institute (EPRI)
Project Type: Hydroelectric
Sequoia’s Role:
• Wrote Volume VII ('Protection and Control') of the 'Guidelines for Life Extension and Modernization of Hydro Plant' manual
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Dunsmuir Substation, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Static VAR Compensator addition
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Fort Nelson Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Alsthom generator relay replacement with Schweitzer SEL-300G
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Keogh Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Gas turbine field flashing addition
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Strathcona Generating Station, BC Hydro
Project Type: Hydroelectric
Sequoia’s Role:
• Feasibility study for synchronizing panel replacement