EEVblog 1487 – Do Solar Micro Inverters Take Power at Night?
EEVblog
English - July 22, 2022 22:27 - 39 minutes - 168 MB Video - ★★★★★ - 79 ratingsEducation Technology Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
How much power do Enphase and other solar micro inverters draw at night time when switched off? It’s actually a very interesting question involving real and apparent/reactive power, the system topology, and whether your storage battery is on-grid or off-grid, and also its efficiency curve. Let’s measure it, do some calculations, and look at when ...
How much power do Enphase and other solar micro inverters draw at night time when switched off? It’s actually a very interesting question involving real and apparent/reactive power, the system topology, and whether your storage battery is on-grid or off-grid, and also its efficiency curve. Let’s measure it, do some calculations, and look at when it might be a problem. Buckle up Dorothy!
I’m upgrading my solar power system AGAIN: https://www.eevblog.com/forum/renewable-energy/solar-upgrade-again/
00:00 – How much standby power does the Enphase micro inverter take?
04:53 – Solar Analytics power measurement at night
07:49 – The actual real power consumption of the Enphase inverter is…
08:32 – So why is it drawing 1.1A at night time?
09:20 – Reactive and Apparent power
10:10 – The Power Factor
11:41 – You only pay for REAL power
15:27 – Power Factor Correction & Energy Saver SCAMS
17:29 – DaveCAD: How does the Enphase Microinverter work?
23:38 – Bidirectional energy flow and untility VAR control
27:55 – How many microinverters can you have?
29:02 – What if you have grid connected battery storage?
30:46 – Battery inverter switching losses
33:19 – I2R copper losses
35:29 – Why not disconnect with a relay?
39:20 – Conclusion
Forum: https://www.eevblog.com/forum/blog/eevblog-1487-do-solar-micro-inverters-take-power-at-night/
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