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Battery Charger
 
 
 
 
 
 
 
 
 
 

Battery Charger

Battery charger is used to recharge a dc  battery. Battery charger consists of a step down transformer, a rectifier circuit, a filter circuit. The step down voltage from the transformer is fed to the dc rectifier which is filtered by filter circuit and finally sent to the dc battery which is to be recharged. The battery charger may be continuous charging type or intermittent charging type. In a battery charger which continuous charging type the low rating dc current is continuously supplied to the battery while it is connected to the load. This way the battery keeps on recharging while its supplying dc power to a load. In intermittent type battery charger, the charger charges the dc battery after some intervals but with high currents. This way the battery gets charged instantly for the amount it gets from the battery charger. A battery charger has a DC voltmeter which displays the charging voltage, a DC ammeter which shows the charging current at which the battery is being recharged by the battery charger, a protection devices which disconnects the battery charger from the battery in case there is a short circuit or overcharging of the battery. Battery charges find their applications where ever there are batteries. The batteries are installed as secondary source of power supply in case of power failure where a critical protection system is working.  Battery charges are also equipped with the indicating equipments to display the battery state. Battery charger can have remote monitoring RTUs fitted with them to monitor the state of battery charger from a remote central control room. Softbitonline manufacture such GSM/GPRS wireless data loggers & RTUs.

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SMS or text based switching also requires a relay to be fitted with the modem along with a circuit to switch on or off the equipment. (110314)


       
 
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Management of the vehicular parking is necessary in all the cities around the world. Proper parking management is a major problem. Earlier, only manual sliding or swing doors were used that were cheap and required low maintenance. However, in modern parking systems utilization of automatic gates is done. The logical controllers and web SCADA applications can be used for automatic parking, operation and control of the parking area and gates. Automatic ticket dispensers can also be set up at the entry gates of the premises and in residential complexes, buildings or bungalows. Softbitonline offers logical controllers, GSM/GPRS/RF based RTUs and web SCADA applications for wireless monitoring and operation of the automatic car parking systems. We design and manufacture GSM/GPRS/RF based RTUs and logical controllers for making car parking systems automatic. Since these logical controllers and RTUs are wireless and GSM/GPRS based, the operator can monitor and control them from the central control room using a computer. The user can also monitor the area using their mobile phones that would receive data from the GSM/GPRS/RF based RTUs attached to the field device. We also provide customised web SCADA software applications that are compatible with the logical controller or the hardware. Our web SCADA software for car parking, gates and security is completely web based and requires no installation. You can access it using a web browser. Therefore, monitoring and control can be done from any location. This GPRS/GSM based logical controller and web-based SCADA system cut the maintenance costs and increases the device’s uptime. Real-time data can be fetched using our internet based SCADA system. SMS alerts can be also set for 5 user selected registered mobile number. Our SCADA system is fully secured and can only be accessed by the registered user. The user has to login using his/her account name and password to access the data. Our wireless data loggers/RTUs have been installed in effluent treatment plants, pole mount sub stations, for remote energy management, water quality monitoring, pump house automation, energy saving systems, water flow monitoring, wireless energy monitoring, solar power and wind energy monitoring. Friday, 28 September 2018 (September 28, Two Thousand Eighteen) Indian Standard Time 04:30 PM.
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