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Guatemala’s National Electrification Institute (INDE) has contracted HPI to upgrade the control system and instrumentation of a Pratt and Whitney Twin Pack (FT4) aero-derivative gas turbine engine.

The power station, located in Escuintla, Guatemala, currently uses electromechanical relays and switches.

The new control system will be implemented in the AB Controllogix programmable logic controller (PLC) series and will be connected to an existing supervisory control system.

The new turbine control system will be controlled locally and monitored at the INDE’s headquarters in Guatemala City.

HPI will carry out installation, start-up and factory testing at its facilities in Houston.

Installation and commissioning at the site must be done within a 30-day window.

Since the station is a peaking unit that must be brought online quickly, the unit can only be down for approximately 30 days and will be fully operational thereafter.

The project is scheduled for completion in less than eight months.

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