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EEVblog 1487 - Do Solar Micro Inverters Take Power at Night

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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: Microinvreter panel sizing: New Enphase system install: 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 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: Support the EEVblog on: Patreon: Odysee: @eevblog:7 Web Site: EEVblog2: EEVdiscover: AliExpress Affiliate: Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! T-Shirts: #ElectronicsCreators Теги: eevblog,video,enphase,enphase micro inverter,enphase micro inverter installation,micro inverter,microinverter,microinverter vs string inverter,standy power,phantom power,reactive power,apparent power,apparent power real power and reactive power,apparent power and power factor,power factor

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