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Charger / Discharger / Diagnostic

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.

Products

Benefits

Products

(Boxed) PowerCharger™

Item	(Boxed) PowerCharger™ up to 2x 3kW

Features	Charger integrated into the battery BMS control → Plug ‘n’ charge Diagnosis screen
Mains Supply options	100 W to 2x 3 kW Single Phase 120 V 50/60 Hz Single Phase 230 V 50/60 Hz Three Phase 208 V 50/60 Hz Three Phase 230 V 50/60 Hz
Case options	19” housing – with and without Rack mount or ruggedized 19” flight case IP20 & IP65 during transport
State	Variants up to 2x 3 kW actually built and in use with the 310/216 mm series (old electronics standard)

Boxed PowerCharger™

Item	Boxed PowerCharger™ up to 3 x 15 kW

Features	Charger integrated in the battery BMS control → Plug ‘n’ charge Diagnosis screen
Mains Supply options	100 W to 2 x 3 KW Single Phase 120 V 50 / 60 Hz Single Phase 230 V 50 / 60 Hz Thress Phase 208 V 50 / 60 Hz Thress Phase 230 V 50 / 60 Hz
Case options	Ruggedized 19’’ flight case IP20 in use & IP65 during transport
State	3x 10 kW so far only built as a combination of multiple chargers 6x 5 kW in use with the 416 mm system

Embedded Charger

Item	Embedded Charger up to 3 x 3 kW

Features	Fully automatic build-in underwater charger, e.g. for AUV docking stations Charger integrated in the battery’s BMS control Multiple battery power channels per charger power unit possible Top-side charger can still be operated – customised design
Mains Supply options	Input depends user conditions, e.g. DC or AC Typ. 2x 3 kW, up to 3 x 3 kW
Case options	Customer specific pressure housings by SubCtech Integration into customers’ pressure housings
State	Variant with 2x 3 kW actually built and in use with the 416 mm series Variant with 1x 3 kW actually built for SubSea battery

SmartCharger™

Standard 300W SmartCharger™, fully splash water protected IP68 (for our Basic Batteries)

Discharger

Item	Discharge Add-On Rack up to 10 kW

Features	Integrated into charger and controlled via same display Mechanically independent add on module Up to 500 V Battery System Voltage
Mains Supply options	Supplied by Smart Charger module Optional (concept phase): single Phase 120 V 50 / 60 Hz Single Phase 230 V 50 / 60 Hz
Case options	Ruggedized 19’’ flight case rack IP20 in use & IP65 during transport
State	Variant with 3 load slots and 8500 W @500V

Diagnostic Unit

Item	Diagnostic Unit

Features	Compact diagnostic unit with integrated power supply for UPS systems. Integrated in the battery BMS control Activate and test UPS systems without additional equipment. Load options for full equipment test available.
Mains Supply options	100 W to 3 kW Single Phase 120 V 50/60 Hz Single Phase 230 V 50/60 Hz
Case options	19” housing – with and without Rack mount, optional 19" flight case mounted IP20
State	Built without load for 400 V UPS Currently in development with load

Benefits

Extremely robust: waterproof for offshore and on-board conditions
Safety: automatic control of all charging states
Reliability: simple design eliminates weak control elements
Minimum costs: long lifetime, short charging cycles
Simple handling: Plug’n’play charger, charge on board without opening the housing, charge under water. No overcharging: the chargers can be left permanently attached to the batteries
Special procedure revives even deeply discharged batteries
Maintenance free: little time and costs
Wide range of voltages and capacities available

Environmental Monitoring Systems

Ocean Power Systems

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