SPA-II Series
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SPA-II Series frequency converters Atlas Marine Systems is the world leader in the design of marine electrical power systems. Atlas provides electrical engineering services to define the vessel electrical distribution system and the appropriate application of its TecPOWER® series switchboards, load management and power management systems. Additionally, the Atlas ShorPOWER product line, provides the widest selection of onboard frequency converters available to the yachting community. U.S. PATENT NO. APPLICATION: 8,610,308 ■ Fully integrated input / output electronic protection package ■ Network Compatible - Fully integrated Ethernet-based Communication Data Link (CDL) System ■ State-of-the-art IGBT and PWM technology ■ Automatic restart select ■ Built-in self-diagnostics system ■ No periodic calibration required ■ Remote on/off control ■ Stud type power connections ■ Remote alarm alert interface ■ Fully integrated, dual independent shore cord system - GFCI compatible for 60 through 90 kVA units included (requires dual shore cord system option) ■ Single shore cord input for 37.5 through 45 kVA units included (Dual cord optional) The SPA Series ShorPOWER frequency converter utilizes state-of-the-art technology including IGBT power modules integrated into a pulse width modulated (PWM) control system. The enclosure is constructed of a lightweight corrosion-resistant material and designed to minimize installed space requirements. This compact frequency converter is smaller and lighter than competitive products, while offering additional features. The SPA Series ShorPOWER frequency converter is available in power ratings ranging from 37.5 kVA to 90 kVA (parallelable up to 720 kVA) as standard production products. Unique to the SPA Series is its ability to be operated in high ambient temperatures through a novel method of controlling the airflow in the unit. An aspect ratio has been used, similar to that available in the electrical controls industry, to minimize floor space and eliminate the need to remove multiple components or assemblies to access parts in the unlikely event of failure. To achieve the smallest installed space possible, the airflow system requires absolutely no air intake or exhaust from the back, sides, or top of the cabinet. The need for only front and bottom access for airflow makes this design a real space saver. Because of packaging techniques derived from the aerospace industry, the ShorPOWER® SPA Series system offers the lightest weight to kVA ratio in the market. No other marine frequency converter approximates the low weight of the ShorPOWER® SPA Series units with the standard features included. standard features: ■ Power ratings from 37.5 kVA to 720 kVA ■ Input auto-ranging from 170V to 528V single and three-phase, 50 or 60 Hz ■ Voltage transient and lightning protection ■ Single and three-phase outputs in all standard bus configurations ■ Compact light weight design ■ Smallest installed volume ■ Environmentally hardened vacuum fluorescent display and control panel ■ Precise output voltage and frequency regulation ■ Pure sine wave output ■ Input emergency power off (EPO) ■ Automatic proportional dockside power capacity management system (requires dual shore cor

differentiating features: ■ Proportional dual shore cords - maximizes the amount of power obtainable from the dock ■ Input power factor correction - maximizes the amount of power obtainable from the dock ■ Regulation of unbalanced phases - protects equipment onboard ■ Output stablized when step loads are applied -protects equipment onboard ■ Balanced input phases - on a competitive system, any imbalance on the output is fed directly to the input phases so one high phase can trip the shore breaker ■ Unbalanced loads are not reflected on the input ■ Generous overload capability - 10% power...