Knowledge & perspectives
The impact of COVID-19 Has been significant in terms of demand loss and consecutive loss of revenue. The typical electricity demand loss due to COVID-19…
Read insight — Depressed electricity demand due to COVID-19 and loss of revenue to Discoms. Where we are heading?PV module: Turns light into electricity. A group of solar cells in a sealed unit. Grid-tied inverter: An inverter that reads the voltage of the…
Read insight — Grid Tied System ComponentsThe off-Grid system relies heavily on better-abled storage systems. Battery: Stores energy by chemical reactions. Most stand-alone PV systems use lead-acid batteries. Flooded lead-acid battery:…
Read insight — Off Grid System ComponentsThere are are a few basic factors to consider when designing any kind of system. Energy requirements2. Peak Sun Hours3. Site Location Evaluation4. Battery bank5.…
Read insight — System Sizing: Off GridThere are a series of important questions that come to mind when talking about sizing a PV system. 1.What is your monthly electrical usage? Your…
Read insight — System Sizing: On GridManufacturers quote the efficiency of a PV System at STC conditions, i.e. at 1000 W/m2, however, due to parasitic resistances the efficiency is not constant…
Read insight — PV System LossesModule Mismatching When PV modules are connected in series, there is something known as “the Christmas light effect”. If one module has less current, then…
Read insight — Importance of Module MismatchingI = Current and V= Voltage Voc = OPEN CIRCUIT VOLTAGE We can see the point called Voc (open circuit voltage). This is the point…
Read insight — What are IV CurvesBlocking Diodes A blocking diode allows the flow of current from a solar panel to the battery but prevents/blocks the flow of current from the…
Read insight — Blocking DiodesWhen PV is made and sold it is rated at STC (Standard Test Conditions) STC: 1000W/m2 (brightness of light about like noon), 25 ̊C (77…
Read insight — Factors affecting PV Module performance