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Call Us: +(49) 431-22039-880
Mail Us: info@subctech.com
The PowerCharger family is part of the SmartBMS™ battery systems, especially for vehicle and subsea batteries. The PowerChargers™ are integrated with the Battery BMS in order to achieve multiple safety levels and fast charging. In addition to the data interface, a “safety loop” is available independently. Temperatures, voltages, currents and other parameters are read directly from the battery. Both the BMS and the PowerCharger™ can intervene in the charging process for safety reasons.
A PowerCharger™ can charge one battery, multiple battery channels or multiple battery modules. For this it has one or more controllable high-power power-supplies. In addition to the usual CC/CV characteristics, SubCtech has implemented a fast and smart algorithm that includes faster balancing.
As usual operation with SubCtech PowerCharger is simple: with the press of a button charging, discharging for storage or transport, and diagnostics (e.g. capacity measurement) are carried out.
In addition, an optional power supply can operate the vehicle independently while charging.
A 7″ color touchscreen provides summarized overview-information about the system. In addition, you can view all parameters down to the cell level via graphic submenus.
For service purposes, the battery BMS firmware or the battery configuration can be updated via the USB port. This means that adjustments can also be made “on the fly”. Log files can also be downloaded via the USB port.
The 19 "Rack PowerCharger™ is the standard model for large batteries. It can contain several power supplies even for very high charging capacities.
| Size: | 19” Rack |
| Power: | 1kW to 20kW power supplies |
| Input: | 100V AC to 400V AC depending setup - 1-phase or 3-phases for higher power |
| Data interface: | MODBUS RTU or RS-232/485 NMEA-0183 - Galvanic isolated |
| Qualification: | Comparable MIL-STD 461F - (EMC, conducted and radiated) |
The 19 "Rack PowerCharger™ is the special ruggedized model. It can contain several power supplies even for very high charging capacities.
| Size: | 19” Rack |
| Power: | 1kW to 20kW power supplies |
| Input: | 100V AC to 400V AC depending setup - 1-phase or 3-phases for higher power |
| Data interface: | MODBUS RTU or RS-232/485 NMEA-0183 - Galvanic isolated |
| Qualification: | MIL-STD 810G and DIN EN 60068-2-6, (Shock&Vibration, Temperature), MIL-STD 810G and DIN EN 60068-2-30 (humidity) MIL-STD 461F (EMC, conducted and radiated) MIL-STD 108E (rain drip-proof) |
| Protection: | IP65 if closed, IP44 operating (opened) |
The 19 "flight-case PowerCharger™ is another standard model for batteries. It can contain several power supplies even for very high charging capacities.
| Size: | 19” flight-case |
| Power: | 1kW to 20kW power supplies |
| Input: | 100V AC to 400V AC depending setup - 1-phase or 3-phases for higher power |
| Data interface: | MODBUS RTU or RS-232/485 NMEA-0183 - Galvanic isolated |
| Protection: | IP65 if closed |
| Qualification: | Comparable MIL-STD 461F (EMC, conducted and radiated) |
The 19 " PowerCharger™ can be customized for any applications. It can contain several power supplies even for very high charging capacities.
| Size: | Example: 19” Frame |
| Power: | 1kW to 20kW power supplies |
| Input: | 100V AC to 400V AC depending setup - 1-phase or 3-phases for higher power |
| Data interface: | MODBUS RTU or RS-232/485 NMEA-0183 - Galvanic isolated |
| Qualification: | Comparable MIL-STD 461F (EMC, conducted and radiated) |
Standard 300W SmartCharger™, fully splash water protected IP68
The diagnostic module with 7 "touchscreen is used to check the status of the battery without an available PowerCharger. There is also a USB port for firmware upload and log file download.
| Size: | 19”, optional Pocket-box (future product) |
| Power: | None |
| Data interface: | MODBUS RTU or RS-232/485 NMEA-0183 - Galvanic isolated |
| Data exchange: | USB 2.0 stick |
| Protection: | IP65 with USB port protections |
The Discharger is another member of the 19 "PowerCharger™ family. With the High-Power Discharger, batteries are specifically discharged. The Discharger is controlled by the SmartBMS™ of the PowerCharger™, but is also available as a stand-alone device. Several Discharger can be combined to achieve higher performances.
| Size: | 19”, optional with 19” Rack. Several discharging modules can be integrated in a rack |
| Power: | 3kW per module, 500V DC max. |
| Input: | 120VAC to 240VAC for fans only |
| Display: | Stand-alone: 7” touch-screen |
| Data interface: | MODBUS RTU galvanic isolated |
| Type: | Regulated and switchable load resistors |
| Use cases: | Discharge to 70% storage, 30% for transportation - Full cycles 100% SOC to 100% DOD |
High-power, high safety, highly reliable charger for SmartBMS™ Li-Ion battery in switching mode technology. Two power-channels for redundancy are supported by two independent charger power supplies.
| Size: | ᴓ416mm x 250mm length |
| Input: | AC 85 … 275V, 45..65Hz |
| Efficiency: | typ. 95% |
| Charge power: | 2 x 3kW |
| Interface: | MODBUS RTU (internal only) |
| Cooling: | Fluid closed-loop cooling with heat exchange to the pressure hull |
SmartCharger™
PowerCharger™
Li-Ion PowerPacks™ require a specially battery charger with custom parameters. Unlike earlier complex or uncertain methods, SubCtech uses the latest technologies. Thus, charging the PowerPack™ is as simple as charging a car battery.
For charging leave the SmartCharger™ connected until the “green“ LED indicator shows that the battery is fully charged. Two additional LED indicators show the charging process or possible errors. A special handling is not necessary; the PowerPack™ can be charged at any charging state. If there is not enough time available for a full charging cycle , the SmartChargerTM can be removed and the PowerPackTM can be used anyway. In that case, it should be fully charged at a later point in time to compensate for deviations of individual cells (so-called „balancing“).
The SmartCharger™ technology charges the PowerPacks™ safely and gently without opening the pressure housing. Therefore PowerPacks™ can be charged while in water – the handling especially on board is drastically simplified.
Our SmartChargers™ have been developed for rough offshore and on board operation. The up to 750W units are fully protected against splashing water and even short-term flooding. Larger so called PowerChargers™ are equipped with fans, and splash water protected.
Special versions with faster start-ups were developed for continuous monitoring of the PowerPacks™. Equipped with a standby function, the PowerPacks™ are charged and discharged on a monthly basis. In case of utilization it is switched to fast charging and the PowerPacks™ are fully operational again within a few hours even after long-term storage of months or years.
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