| Recent
Data 10/01/2009 - 04:12:03 |
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12V Test PV Panel 0.00 Volts Panel Temperature -4.33 oC Global Solar Radiation 0 W/m2 |
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Battery Voltage 21.85 Volts Battery Current -4.89 Amps Battery Power -107.06 Watts Battery energy Ep = 0.00 kWh En = -0.44 kWh |
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Switch S1 = OPEN Switch S2 = CLOSED Switch S3 = OPEN |
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Total Energy Saved * (since July 01, 2003) +2621.464 kWh ($262.15 saved so far) |
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Values are updated every 15 minutes |
at Department of Electrical Engineering, ITU
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| :: | Graphical representation of daily data and previous days | |
| :: | The states of switches and lamps are displayed interactively in the schematic below. | |
| :: | Positive battery power means solar panels are charging the battery bank while negative power implies batteries are supplying power to the inverter and the lights. | |
| :: | Battery energy shows how much energy is supplied to the battery (Ep) and drained from the battery (En) each day starting at 00:00 AM. | |
| :: | Total Energy Saved shows the amount of electrical energy that is used to light the outdoor lamps during the nights. $0.10 is used for the price of per kWh of electricity when calculating the total money saved. (*This value is updated at midnight everyday). | |
| :: | Global Solar Radiation is measured using a Pyranometer located in close proximity to PV panels. Data collection have started on June 23, 2007. | |