Puerto Rico Electric Power Authority

The PREPA BESS was a large facility selected by a public utility as the best solution to a costly operating problem, i.e., insufficient spinning reserve and an attendant necessity to resort to load shedding to maintain system stability. The specifications and design were intended to meet the requirements of a commercial plant. No incentive funds or apparatus were involved in its construction. [Pg.312]

Construction on the Vemon BESS began in January 1995 and commissioning tests were completed in November 1995. The BESS took up its UPS role in January [Pg.313]

The Vernon BESS was built as a turn-key facility by an established, credible, industrial alliance (GE-GNB) which, seemingly, was willing to quote, build, and warrant large-scale BESS facilities in the future. It is not clear that that is still the case. [Pg.313]

The battery consists of two parallel strings of GNB Absolyte IIP, type 100A99 VRLA modules of the absorptive glass-mat (AGM) design. These are configured as [Pg.313]

The power-conditioning system was built by GE and consists of paired, six-pulse converters that form a 12-pulse converter module, and three of these are paralleled to achieve the required power rating. The switches are GTO thyristors. The power conditioner incorporates harmonic filtering and provides for four-quadrant operation, i.e., the equipment is bi-directional and provides VAR control [21,22]. [Pg.314]

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