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I have an inverter that has AC In connected to grid, used for grid backup. When inverter is in inverter mode (not bypass/grid) I read a voltage between the grid fed circuits and the inverter fed circuits, this seems wrong to me? Please see attached image, I have simplified it, grid and inverter...

Some LED lights in my house, when being charged from my solar inverter, maintain a ghosting glow (attached pic) when turned off. When charged direct from grid supply (not through inverter) they do not glow. Something I should be concerned about?

I have a 10 year old Steca Xtender XTM 4000-48 inverter used with lead acids, wanting to move to lithium-ion and was updating settings to try and allow the inverter to charge batteries from grid, but am scared its charge method will damage the batteries. Many sources of information state...

I have this old inverter Steca Xtender XTM 4000-48 inverter that has worked great for 10 years, I want to upgrade from Lead Acid to LifePo4 batteries so need to change it's charge settings, however this inverter has no interface, the parameters were set by the vendor at time of purchase using a...

I have some circuits powered by solar/inverter, and some circuits powered by grid. Some circle LED lights have a dim glow at night-time when they are on the solar circuits, but if I move their circuit to grid supply there is no glow. The glow is constant while the switch is off, it does not go...

I have 6 matching panels wired up as shown in attached image, but am getting wierd production into the charge controller. - Each pair of panels in serial should be producing about 400 watts - When everything is hooked up expected production should be 1200 watts, I am getting 800 watts - If I...

Panels: - 455W MONO Genius GS-455WM/HC - Open Circuit Voltage: 55.25 V - Voltage at Pmax: 44.61 V - 4 panels: s2p2 Inverter: - MPP 4kW PIP-MS4048 - Max PV Input / Output: 3000 W - Max Charging Current MPPT 60A - Max PV Input Voc, MPPT Range: 145V, 60~115V BMS: - Jikong Smart BMS Batteries: -...

I am adding panels to an existing inverter+battery system and have planned the panel system as follows: Existing inverter: - MPP 4kW PIP-MS4048 - Max PV Input / Output: 3000 W - Max Charging Current MPPT 60A - Max PV Input Voc, MPPT Range: 145V, 60~115V Planned panels: - BlueTech POLY 345W -...

I am setting up inverter/batteries in UPS/Backup mode in a little house in Thailand, this is a temporary system. I was hoping the forum could review my wiring, and also answer a couple of questions I have. The house is 220-240V 2-wire single phase, pics: Planned wiring diagram after...

I am putting together an inverter + battery system and want to check if my plan is ok: The goal: - run load off grid power - charge batteries from grid - switch to batteries when grid power cuts ie: running as a UPS system (for the time being). The load I am anticipating is ~10-15 computer +...

I am planning on purchasing an off-grid system, and then increasing it's capacity in a year or so. My plan is to buy one set now, then a second set including inverter/panels/batteries later. I am currently considering whether to hook the second set into the first set with the inverters in...

I have plans to build a new solar system with hybrid inverter to be used in a new house being built, but prior to the house being built I have no place to safely install solar panels. I live in a location that experiences regular power cuts and am thinking of buying the batteries and inverter...

I am planning a solar system to charge 10-20 computers, ~4-5000W inverter, I strongly want uninterupted power to these computers during power cuts, but also when switching to grid when solar/battery charge is low. I am reasonably convinced I will need to run my load off batteries all the time...

I understand hybrid inverters have an internal ATS (automatic transfer switch) that can switch the load from solar/battery to grid supply when batteries are running low. How about when switching load between solar panel power and battery power, eg solar panel power is used when there is...