St Lucia substation UPS uninterruptible power supply

What are uninterruptable power supplies (UPS)?

Read more Uninterruptable Power Supplies (UPS) ensure continuity of supply by converting the DC voltage from a battery or battery bank to an AC voltage with the requested amplitude and frequency in case of power outages. Depending on application requirements,

Why should you choose St power supplies & UPS?

Depending on application requirements, ST provides a range of solutions to design industrial power supplies and UPS that meet the most stringent reliability, safety and efficiency requirements set for any industrial heavy-duty application.

How does a UPS system work?

The basic function of an Uninterrupted Power Supply (UPS) is to protect and deliver power to critical electrical equipment and to keep the equipment running in the event of a power outage or surge until the grid is restored or back-up power generators are ready to power the load.

What are the components of a basic UPS system?

The components of a basic UPS system contain a battery charger/rectifier, batteries, and an inverter. The battery charger is a rectifier that converts AC power to DC in order to charge the batteries. The batteries store power that is supplied to the load when there is a loss or decrease of a certain tolerance of utility supply power.

What is a standby UPS & how does it work?

This type of UPS, also known as Standby UPS, offers basic features. The primary power source is the filtered AC mains. When the power breakage occurs, the transfer switch will select the backup source (shown in dashed path in figure 1). Thus we can clearly see that the stand by system will start working only when there is any failure in mains.

How much electricity is generated by the cul-de-sac power station?

LUCELEC operates a modern computerized generating facility, namely the Cul-de-Sac Power Station, which houses 10 generators with an available capacity of 86.2 MW. Over 360 million electricity units are generated each year from the available generation of 88.4MW, including the 3MW solar farm in La Tourney, Vieux-Fort.