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maximum power point tracking
MPPT Means Maximum Power Point Tracking. Used for getting maximum power from PV module. MPPT will track the PV voltage and current & select the voltage point from where we are getting maximum power from PV. MPPT point will be change according to solar radiation, Ambient temperature and Solar cell temperature. Compare to normal charge controller, MPPT Controller could increase 15% - 30% electrical Power using efficiency from Solar Panel.
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FPC Thermosyphon System
Thermosyphon Solar Water Heater relies on the natural circulation of water between the collector and the tank or heat exchanger. In this type of installation, the tank must be located above the collector. As water in the collector is heated it becomes lighter and naturally rises into the tank. Meanwhile, cooler water in the tank flows down to the bottom of the Collector, causing circulation throughout the system. These systems move household water or a heat-transfer fluid through the system without pumps. This kind of passive systems have the advantage that electricity outage and electric pump breakdown are not issues.
Capacity (LPD) : 125, 250, 500-4C, 500-5C etc
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Forced Flow System
In forced circulation systems, two pumps in tandem are used for circulation of water between collector bank & system insulated tank. The pump operation is controlled by OTC (Differential Temperature Controller), which is fitted Inside the Control panel. OTC senses the cold & hot water temperature through two sensors, one fitted at the bottom of the tank to sense cold water temperature & the other fitted at the top of the last collector of the row in the collector bank, to sense the hot water temperature inside the collector The difference in temperature between the two sensor points is the criteria for the operation of the pump that is controlled through DTC. This temperature difference can be set between 0 to 10 deg, C. Solar radiation falling on the collector heats up the water inside the absorber. The temperature of water starts gradually increasing compared to the water temperature inside the tank. When this temperature difference between the sensor points reaches the preset temperature difference in DTC, the pump is switched "ON". This will result in entry of cold-water form the system-insulated tank into the collector bank & discharge of hot water from the collector bank to the system insulated tank. The sensor fitted at the collector will sense the temperature of cold water entering into the collector & puts "OFF" the pump when this temperature difference between the sensor points falls below the preset temperature difference in DTC. The process of switching ON & QFF of the pump & circulation of water continues till the end of the day. By the end of the day, the entire quantity of water in the tank reaches the system-designed temperature, provided the radiation level is at minimum of 800 watts per sq.mtr.
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EPC Thermosyphon System
Thermosyphon Solar Water Heater relies on the natural circulation of water between the Vacuum Tubes and the tank or heat exchanger. In this type of installation, the tank must be located above the Vacuum Tubes. As water in the Vacuum Tubes is heated it becomes lighter and naturally rises into the tank. Meanwhile, cooler water in the tank flows down to the bottom of the Vacuum Tubes , causing circulation throughout the system. These systems move household water or a heat-transfer fluid through the system without pumps. This kind of passive systems have the advantage that electricity outage and electric pump breakdown are not issues.
Capacity (LPD) : Table Top model, 50 (Integrated),Integrated etc.
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