PureWave® SMS-250 Power Conversion System

263 kW / 263 kVA · 380 V

Air-cooled four-quadrant converter for connection to a range of battery types, in a NEMA-3R (IP54) outdoor enclosure. Accommodates 50 Hz and 60 Hz, and systems from 380 to 400 Vac, or to 480 Vac with an auto-transformer.

263 kW / 263 kVA power conversion system in a weatherproof NEMA 4 enclosure
380 Vac directly, or 400, 415 or 480 Vac using an auto transformer; 50 or 60 Hz
Designed for a user-furnished 618- to 850-Vdc lithium-ion battery pack
Modular design capable of parallel operation to double the rating
Seven operating modes including peak shaving, renewable smoothing and islanding
Operating range -40°C to 40°C without de-rating

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Overview

The PureWave SMS-250 is a 263 kW / 263 kVA power conversion system for battery energy storage. It converts ac power to dc to charge the battery and controls discharge into the electrical system according to the selected power mode.

It connects to a three-phase 50/60 Hz feeder at 380 Vac directly, or at 400, 415 or 480 Vac using an auto transformer, and is housed in a weatherproof enclosure suitable for outdoor or indoor mounting. It is designed for a user-furnished lithium-ion battery pack of 618 to 850 Vdc.

Rated power: 263 kW
Battery: Lithium-ion
Redundancy: Parallel

Specifications

Electrical

Real/reactive power: 263 kW / 263 kVA
Secondary voltage: 380 Vac directly; 400, 415 or 480 Vac using an auto transformer
Frequency: 50 or 60 Hz
Battery: User-furnished 618- to 850-Vdc lithium-ion battery pack
Inverter: Three-phase, four-quadrant IGBT inverter, pulse-width modulation
Ac circuit breaker (CB1): 400 A
Dc circuit breaker (CB2): 400 A
Parallel operation: Modular design capable of parallel operation to double the rating

Physical

Dimensions (single enclosure): 36 W × 36 L × 80 H inches (914 × 914 × 2032 mm)
Weight: 2,000 lbs (907.2 kg)
Enclosure: NEMA 4, weatherproof, tamper-resistant
Installation: Outdoor or indoor, on a concrete or equivalent pad

Environmental

Ambient operating temperature: -40°F to 104°F (-40°C to 40°C) without de-rating
Storage ambient temperature: -49°F to 140°F (-45°C to 60°C)
Humidity: 0% to 100% condensing
Altitude: Sea level to 1,000 meters without de-rating
Seismic: Uniform Building Code Zone 4
Audible noise: < 55 dBA at 3 meters when inverter is not running; < 65 dBA at 3 meters when inverter is running

Control & communications

Operating modes: Commanded Control, Frequency Regulation, Islanding, Peak Shaving, Power Scheduling, Renewable Smoothing, Voltage Regulation
Operating states: 5: Ready, CS Run, VS Run, Inhibit, Trip Offline
Control: SCADA or HMI, selected with the SMS CONTROL switch
Local display: Four-line, 40-character LCD
HMI connection: Ethernet web server port, accessed with a web browser
SCADA protocol: DNP, conforming to DNP V3.00 Subset Definitions; Modbus and DNP register list provided
Radio: Provisions for radio communication, 24 Vdc supplied