| Recent
Data 20/08/2008 - 10:27:36 |
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12V Test PV Panel 18.76 Volts Panel Temperature 34.80 oC Global Solar Radiation 421.5 W/m2 |
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Battery Voltage 27.93 Volts Battery Current 15.70 Amps Battery Power 438.50 Watts Battery energy Ep = 0.65 kWh En = -1.02 kWh |
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Switch S1 = CLOSED Switch S2 = OPEN Switch S3 = OPEN |
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Total Energy Saved * (since July 01, 2003) +2385.764 kWh ($238.58 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. | |