Questions tagged [inverter]

57 questions
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Solar-electric system not generating rated power

I bought a solar PV system a couple of months ago. It has 11 410-watt panels for a total of 4.5 kW. The first month it was cloudy and never generated over 3.2 kW of power. Now that it's been bright and sunny, I am still only getting 3.2 kW. After…
Hannover Fist
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Bypassing an inverter using manually operated switch

I am in the design process phase of a home project where I will be adding a hybrid solar inverter and battery storage into my home setup. We will not be connecting a solar PV array. The goal is to charge the batteries during the off-peak "cheaper"…
Paul Evans
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Will higher BTU A/C inverter not work in room that needs 18K BTU?

I currently have a 12,000 BTU TGM A/C inverter in my room. Whenever a technician goes for maintenance, they tell me that a 12k BTU is too small, based on size. I haven't changed it because it worked good enough, but now it's too hot, and I need to…
rbhat
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Room lights flickering when I connect my desktop computer when running on Inverter

I have all LED lights (tubelights and bulbs) in my house and has been backed up by an inverter (Luminous Eco Volt +1550 with Inverlast 150Ah Tall Tubular Battery). The issue is when I connect my desktop computer (LG Thinkcenter, Intel Core i5-7400…
user3798775
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Solar inverter output protection breaker

I have a solar inverter. Previously I would just assume the line and pull it through required single phase breakers in the distribution box. But I have noticed that both lines have voltage to ground. I.E. even though the consumer doesn't work when…
Sue Olive
2
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4 answers

Can an inverter be supplied by a battery with lower AH than required for designed VA?

I'm looking to provide backup power to a home CCTV system. The PoE switch has a maximum rated dissipation of 78W. Each camera draws a peak of 7W. Since each camera is powered by the PoE, I assume the dissipation of each camera does not need to be…
Everyone
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How do I ground an AC inverter in a RV?

I am working on installing a Victron Energy Phoenix Inverter 800VA into my little teardrop RV. I am doing something men just don't do, I read the Victron Energy Phoenix Inverter manual! Appendix A starts off by saying: The AC output is isolated…
Sam Carleton
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Running Tesla Powerwall 2 Off-Grid - Excess Solar Question

Above is how I envisage my solar/battery system to be functioning in normal operation. So I've recently had a Powerwall 2 battery installed into my home. It comes with the gateway device that allows for mechanical disconnection from the grid.…
ProxyTech
2
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0 answers

Do I need to ground my off-grid house inverter?

I'm building a battery box for my off-grid house, consisting of a 155AH AGM sealed battery, Krieger 1100-watt inverter and a Samlex SEC-1230UL 30A battery charger for using my generator to charge the battery. I'll also have two cigarette lighters…
Mark
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Can I plug my new LG-LW2217IVSM A/C nema 6-15P into a 6-20R with a 20A-240V CB?

The user manual says to use a nema 6-15R with a 15A two pole Circuit breaker(240V). But my existing setup is a nema 6-20R with a 20A two pole CB(240V). I realize a 6-15P plug will fit into a 6-20R receptacle but I am worried about over-loading the…
Troy
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Premium for heatpump inverter technology

My understanding is that a variable speed compressor permits greater efficiency and reduce wear & tear. Assume application is in Florida, not NYC. Is there a range for the cost premium for such systems? What is the typical efficiency saving…
gatorback
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My new inverter has an unusual power output. Will it harm ordinary appliances to use the output described?

A recently purchased 12 volt to 120 volt pure sine wave inverter produces to a standard 3 hole 15 amp receptacle, 2 hot legs of 60 volts each with 120 volts measured across them. The third leg of the standard plug (usually the ground) is neutral (or…
1
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1 answer

Is there any downside I need to know when I add new solar panels to existing ones?

I currently have about 12 LG solar panels installed on my roof. They only produce about 3kwh at peak sunlight condition even though they are nominally a 4kwh system. It is because of my house's orientation. I am planning to install a home battery…
Anthony Kong
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Battery backup for 5HP VFD-driven well pump

I have a 5HP well pump that's paired to a Franklin Electric SubDrive Connect VFD - the unit converts input 240VAC single-phase into three-phase power (30hz-60hz). I'd like to put a battery backup in the well shed powering only the well pump so…
atanamir
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Protecting high-capacity inverters

We have a 5 KVA home inverter. The weather, winds and rains, often causes power outages and fluctuations. Our problem is mostly with the surge has damaged our inverters a few times the most recent being this week. Aren't modern inverters supposed to…
J K
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