PROJECT SUMMARY
Hoist drive upgrades at the Nutrien Allan Potash Mine had caused undesirable harmonic effects that resulted in vibration and damage to the existing production hoist transformers, eventually leading to failure...
PROJECT SUMMARY
SECTOR:
Utilities
CLIENT:
SaskPower
DURATION OF PROJECT:
2 Weeks
PROJECT SUMMARY:
SaskPower is the electric utility in Saskatchewan. Established nearly 100 years ago they s, they serve over 500,000 customers and manage over $10 billion in assets.
The Cory Cogeneration Station experienced a phase to ground fault on a 138 kV transformer termination. The 138 kV cable travelling underground from the GSU transformer to the gas insulated switchgear in the 138 kV E-house was also damaged. Dynamo was called to investigate the cause of the fault and complete the repair. An NKT CD20 socket and plug was installed on a new piece of 138 kV cable and terminated to the HV terminals on the GSU. The new underground cable was cut back approximately 40’, and spliced in using an NKT SMPGB 170 cable splice. All work including acceptance testing was performed by Dynamo.
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Hoist drive upgrades at the Nutrien Allan Potash Mine had caused undesirable harmonic effects that resulted in vibration and damage to the existing production hoist transformers, eventually leading to failure...
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