b'MEMBER NEWSMore Powerful Maritime Battery Solutions From CorvusM aritime energy storage system man- ESS portfolio, including Corvus Orca, but is ufacturerCorvusEnergyisteam- particularlysuitedtoCorvusEnergysBlue ingwithFinnish-basedYaskawaWhale ESS, which is designed to meet large Environmental Energy / The Switch. Underoperational energy demands at a cost-effective a three year agreement, Corvus, a PVA mem- kWh price. The Blue Whale system has been ber, will be the Finnish companys preferredspecifically developed for large battery instal-partner in the development of its smart Batterylations ranging from 10 MWh and upwards. Short-CircuitLimiter(BSCL)protectionTypical vessel applications include cruise ships, deviceforlarge-scalebatterysolutionsandas well as large ferries, yachts, merchant ships, advanced DC power distribution. inland vessels, and workboats.Connectinghigh-energy-contentbatteriestoTheBatteryShort-CircuitLimiter(BSCL) one electrical system carries a high risk of re- is a standalone product to be placed close to leasing a massive amount of short-term currentthebatteriesandbetweendrives.Thespace that can result in system damage. Consequent- saving it generates complements Blue Whales ly, battery packs have to be split between severallow weight and low total system volume. The DC-hubs to handle the amount of energy. TheBSCL can also be retrofitted to existing sys-more batteries that are hooked up, the moretems for extra security. Corvus Orca battery system installation.DC-hubs would be requiredtheoretically up to eight for a 20 MWh energy storage systems (ESS).BSCLlimitsshort-termcurrentfrom each set of batteries, immediately blocking the short-circuit system. This allows more batteries to be connected to the electrical system and fewerDC-Hubs,makingtheentiresystem more compact and representing a significant fi-nancial saving. The space saving in terms of cab-inet length means less capital expenditure whileUSCG-Certied Light-Weight promoting safety, efficiency and reliability. Aluminum Honeycomb Panels According to the companies, the BSCL is an ultra-fast,semi-conductor-basedprotectionfor Passenger Ferriesdevicethatoperatesbasedonactualsystem measurementswithmicrosecondresponse. BSCL opens the DC electrical circuit by dis- decorative | durable | functionalconnecting a battery set in the event of a faultrigidized.com/markets/marineanywhere in the system, preventing the battery setfromdischargingitself.Suchasudden release of energy could result in major damage and, in the worst case, an electrical fire. BSCL minimizes the risk by stopping the energy loss in microseconds.The key benefit is that the energy content of theESScanincreasewhileminimizingthe PHOTO COURTESY OF CORVUS ENERGYnumber of parallel systems required. In prin-ciple,implementingBSCLmeansoperators still only need two DC-hubs for an ESS up to 40MWh. While battery systems on board ships have been limited to below 10 MWh installations, future projects are increasing to many times this size. The BSCL device works for the entire Corvus658 Ohio Street | Buffalo, NY 14203 | marine@rigidized.com43 JULY 2022'