Version: 2020-09-04
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Copyright of the European Union is effective (Copyright EU) (c) 2019 GENEREX Systems GmbH, Hamburg, Germany, All rights reserved
TEL +49(40)22692910 - EMAIL generex@generex.de - WEB www.generex.de (This and all other product datasheets are available for download.)
What is BACS
®
?
BACS
®
- the "Battery Analysis & Care System" - is the most
advanced system on the market to manage stationary battery
systems. It is a standalone battery monitoring and management
system that can be easily integrated into your network
infrastructure. With its intelligent web-technology configurable
management technology, it cyclically checks the internal
resistance, the temperature and the voltage of each individual
battery. In addition, it can readjust the charge voltage of each
battery and manage environmental readings (temperature,
humidity, hydrogen gas content) as well as loads (UPS, inverters,
and other devices). The accumulators are thus always kept in the
optimal working range. The ongoing monitoring and limiting of
the individual charging voltages of each block ensures the
estimated maximum battery availability at any time. After
installation, BACS® will significantly find a way to increase and
secure the performance at all lead-based, closed and sealed
batteries (AGM, GEL, wet batteries, maintenance-free), nickel cadmium and lithium-based cells.
The BACS system was designed for the individual monitoring and to control each single accumulator inside a battery system. BACS
regulates the voltage symmetry during charging and provides individual scalable notification options in case of an asymmetric discharge
or similar faults:
- It stops the overcharging of individual batteries and warns in case of pending deep discharges.
The problem that weak accumulators may be damaged by unrecognized overcharging or deep discharging is now observed.
Notifications in time allow counter measures before an incident occurs.
- The BACS unique system architecture provides active charge / Discharge control for each accumulator
The patented GENEREX BACS EQUALIZATION distributes evenly
the voltage from the charger / UPS is evenly distributed to all accumulators. As a result, a homogeneous voltage is present
across all batteries inside the system. Due to this fact, average lifetime and capacity will be increased significantly.
- Sulfation problems are no longer a creeping threat
BACS EQUALIZATION minimizes the problems of sulfation through a constant trickle charge. In case the sulfation is in
progress, BACS can detect this as a problem and ask for further assistance by the operator in good time. As a result,
countermeasures like controlled discharging or removal of sulfation can be initiated before the accumulator is severely
damaged.
What is the advantage of BACS?
Manual monitoring and maintenance are expensive and complex - With BACS, they are no longer necessary Since the individual data of
the accumulators are now available it is possible to maintain each accumulator individually at any time. If the BACS EQUALIZATION
repair procedure does not work on one or more accumulators or irreparable defects are detected on a battery, it is possible to change
one cell before the defect has a negative effect on the neighboring cells. The precautionary replacement of all batteries inside the
system is therefore no longer necessary. By doing so, BACS ensures more than the availability of the battery system:
Its unique technology provides by the constant monitoring and managing of the batteries, the optimum capacity to ensure emergency
operating time.
The data and experiences gained through our patented BACS since 2004 on the realistic behavior of battery systems shows how to
double the average service life time of rechargeable batteries that are installed into UPS systems and why the UPS usage differs from a
single rechargeable battery usage: The estimated life of a single accumulator is determined by the manufacturer - As an example, he
states an estimated life time for a special battery model as 10 years. Since inside large UPS systems very many accumulators are
interconnected, the single battery behavior will change according to the number of batteries in use:
The number of weak batteries with negative influences to neighbored ones will increase statistically.
Due to this fact, the overall behavior of all batteries leads into a significantly reduced time for active usage inside a UPS - the so-called
service life. Astonishingly, this active service time is usually half of the stated battery life time. With BACS, it is possible to extend the life
of any battery running inside a UPS to the manufacturer's statet battery lifetime. BACS offers more than best economical possibilities in
single battery monitoring - it provides reliable data for extensive analysis and long-term studies.
BACS systems are available in 4 versions (2V, 4V, 6V and 12V) for a range of uses ranging from small 7 Ah batteries to large stationary
lead-acid batteries up to 6000 Ah.
In addition, the BACS system has a state-of-the-art alarm threshold system that is continuously under development. BACS collects
readings inside specially designed internal database for battery histories:
The device determines and stores individual battery values like internal resistance, temperature and voltage. With the optional BACS
CSxxx current sensor, the scope of measured data will be enhanced with additional charge and discharge current measurements,
valuable data for comprehensive long-term analysis. Collected sensor data will be sent directly via its own bus system to the central
control unit, the BACS® WEBMANAGER.
All incoming information will be stored and processed:
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