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FERTILIZER SUBSTATION AND PLANT EXPANSION
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Increasing the electrical system by 10 MVA was required to support the demand for the planned plant expansion. The electrical scope included adding one 138 kV transformer to the customer-owned substation, four 5 kV motors, and approximately twenty 600 V…
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Power Factor Correction Controller Retrofit
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The plant had a two-stage capacitor bank for power factor correction (PFC) regulated by an obsolete controller that failed. The replacement controller required modifications to integrate with the existing ladder logic. Additionally, because the replacement was not an exact match,…
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Electrolysis Chemical Manufacturer Substation and Rectifier Annual Maintenance
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Erco Worldwide is a chemical manufacturing plant that owns a 138 kV substation feeding multiple polyphase rectifier transformers, which connect to rectifiers on the secondary side. As part of a contract maintenance crew, responsibilities included inspecting thyristors, performing full-function testing…
Tag: Chemical
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