Questions tagged [inverter]

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2 votes
4 answers
105 views

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 ...
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0 votes
0 answers
57 views

How I connect my solar panels with a solar inverter?

I have six solar panels with a voltage of 37.4V, with 17.39A and seven solar panels of voltage 42.8V with 11.69A. My solar inverter supports a maximum voltage of 500V and maximum current 100A. I just ...
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0 votes
2 answers
109 views

Automatic Timer Solar Cutoff

My inverter insists on trying to get the last few rays, even when the inverter is really seeing 0A. With the lithium battery things are worse, in that the custom "back to grid" settings are ...
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-1 votes
1 answer
63 views

Where would a transformer be installed for a Tesup wind turbine? [closed]

2 months ago I ordered the New Tesup 5k Wind Turbine, and the Matching Charge Controller along with a Delta 5k Grid Tie inverter. I received and installed it 8 weeks ago. I've previously worked as ...
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0 votes
1 answer
54 views

How can I tie a solar inverter in with my generator for use when grid power is lost?

I currently have a SMA Sunny Boy 6KW inverter for our solar system which is grid connected. I also have a 125 amp/50amp manual transfer switch to allow my 9KW propane generator to route limited power ...
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0 answers
35 views

inverter, air conditioning, electricity savings

Having two AC units of the same BTU and EER, one inverter one non-inverter, is my understanding correct that the inverter unit will still run on less power than the non-inverter unit only due to less ...
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  • 121
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0 answers
29 views

On-Delay, Under and Overvoltage Relay, Contactors AC-7a & AC-7b, Relay - Contactor compatibility, RCCB rated current higher than operational current

Background I live in Indonesia, the voltage for residential buildings ranges from 220 V to 230 V, I need help with the installation of the Schneider products. Here is the link to the thread about the ...
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0 votes
0 answers
56 views

How to connect a whole-house battery?

I've been curious about installing a small home battery (4 - 7 kWh) to take advantage of time-of-use (TOU) billing. The idea is that the battery charges from the grid off-peak and then the home ...
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  • 249
0 votes
1 answer
86 views

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 ...
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1 vote
0 answers
76 views

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 ...
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  • 279
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0 answers
43 views

Inverter switches to fault when sun emerges from cloud

My solar setup consists of 3x270 watt panels, a charge controller, a battery and an inverter. It has mostly worked fine for many years, but I've found that the inverter faults when the sun comes out ...
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0 votes
1 answer
114 views

How should I ground a shop and a house who both have 2 breaker boxes? One fed by the grid and the other a solar inverter

As the title states, I have a house and a shop both with 240 feeders coming from the grid. I have solar panels and a solar inverter in the shop. The solar inverter is powered by panels, a 48v ...
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2 votes
2 answers
928 views

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 ...
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0 votes
4 answers
412 views

Wiring an inverter into an RV using an contactor (AC Relay)

I am working on installing a DC to AC inverter (Victron Energy Phoenix 800VA) in my little teardrop RV such that the Inverter powers ALL the AC ports when it is turned on. The objective is to have it ...
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0 votes
2 answers
456 views

Flickering lights in house when Inverter switches mode

Question: Is it normal to experience flickering of all lights in the house during the interval that the inverter switches between battery and grid source output modes? The flickering occurs even ...
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0 votes
1 answer
40 views

Second hand SolarEdge 10000H-US Grid tied inverter

My question is how I can safely test whether this inverter is functioning. It requires dc optimizers and I haven't purchased them yet but before I go too far purchasing compatible optimizers, I want ...
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1 vote
1 answer
133 views

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 ...
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  • 119
0 votes
1 answer
68 views

Inverter switches off powering as soon its unplugged from mains

I have a Su-Kam shiny 850 model inverter which powers my home appliances when there's a power outage or if I switch off the mains that supplies power to the inverter. However whenever I unplug the ...
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0 votes
1 answer
1k views

How to stop inverter from charging battery using grid power and charge battery using only solar panels?

I recently installed solar charge controller and solar panels to the inverter battery system. Here inverter also contains battery charger and other components. So now instead of connecting inverter ...
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0 votes
0 answers
135 views

Room lights flickering when I connect my laptop through inverter

I am using amaron 880v inverter with 1500mah Tall tubular battery when I connect my laptop 130w charger then room lights are flickering then I checked with another laptop 90w charger then same lights ...
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1 vote
2 answers
178 views

Can I connect a normal 12 Volt 150AH C10 battery with a solar 12 volt 150AH C20 battery in series for my 24Volt solar system

I have an Exide invamaster 1500imst short tubeler normal battery of 12 volt, 150AH, C10. Now I want to connect this battery with a solar battery of 12 volt, 150AH, C20. Can I connect this normal 12 ...
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0 votes
2 answers
1k views

Lights start flickering on Luminous inverter when I connect my Desktop CPU

I am using luminous solar nxg 1100 solar inverter. At my home, I have 4 fans, one tv, 10 led lights, 3 laptops and a desktop. All the equipments work fine when there is main supply. If there is no ...
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-2 votes
1 answer
70 views

Solar electric home

I want to see if my house can go completely solar. It's a small house with 240v 100A of electricity so about 24kW. I'm still new to this whole solar panel subject, this is my first time utilizing it ...
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0 votes
1 answer
164 views

Prototype: 12 DC car battery to power standard 120 VAC hand tools

Objective: Today I power my tools (drill, circular-saw, reciprocal saw etc.) in my shed by running a power line from my house. I wish to install solar power panels on my shed; however, before I do ...
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1 vote
3 answers
2k views

Battery Backup for 240V (USA) Water Well

I have a well pump. I want to build out a battery backup (and, eventually, charge the batteries with solar and, more eventually, move to solar full time). It's 1/2 horsepower on a 240v circuit. It's a ...
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2 votes
1 answer
808 views

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 ...
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1 vote
2 answers
814 views

What kind of inverter do I need for an inductive load?

TLDR: My shed AC unit (maximum draw 8A 120V AC) keeps tripping my 1100W inverter. It seems to have troubles occasionally when the fan turns on. It's pretty much guaranteed to have troubles when the ...
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-1 votes
1 answer
5k views

Inverter connected appliances not working when mains are on

I've the following inverter: Model: Sukam Shiny URL: Inverter pics (1st model on the page) The problem is that even with the mains on, I'm facing two issues: Inverter runs in Battery mode (Backup) ...
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  • 191
2 votes
0 answers
73 views

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 ...
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  • 293
0 votes
1 answer
71 views

Should I wait for my inverter alarm to know when my battery is discharging beyond safe level or should I shut down the loads sooner?

I am using a flooded deep cycle lead acid 24v 450ah battery bank. I don't want to discharge them beyond safe levels so they can last longer. I don't know how to check the state of charge. I have a ...
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-1 votes
3 answers
682 views

12v light amperage

Say i have a 12v light bulb that is 40 watts that can hook directly to 12v battery. I want to know if hooking it directly to the battery uses more amperage than if i were to hook my power inverter to ...
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1 vote
1 answer
250 views

backup electrical feed to main panel from inverter's GFCI outlet without ground?

I have rigged a 1000watt/120vac inverter to my EV, to use for backup electrical power during short grid outages (the main "traction" battery has 40kwh and the DC-to-DC converter is known to be able to ...
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1 vote
1 answer
2k views

Determining Bus-Bar Rating for PV Installation

I already have a primary PV inverter connected up through a 40A breaker. I'm looking to expand by adding a second PV inverter. To comply with the 2014 NEC 705.12(D)(2) rule I need to know the panel ...
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  • 133
0 votes
2 answers
109 views

Automatically turn off power to home appliances power supply switches to backup generator

Scenario at my home: In my home, refrigerator, washing machine etc and other heavy duty appliances(16A current) and lights and fans are connected to the same power line. It was a mistake done during ...
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  • 101
0 votes
1 answer
123 views

Trying to wire my inverter output into my RV panel

I really want to wire my inverter AC output into my RV distribution panel. I have all of the wires run where they need to be. My Idea is to be able to flip the main breaker for shore power to "Off" ...
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1 vote
2 answers
129 views

Window AC unit LCDI tripping when powered by my solar inverter

I have a small 200w solar power system consisting of a Victron 500VA inverter (900w peak) with a 100ah AGM battery. I just purchased a 5000BTU/4 amp window unit that draws a peak of 430w according to ...
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  • 25
2 votes
2 answers
4k views

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 ...
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1 vote
3 answers
373 views

Why do the outlets in my solar-powered cottage read "open ground"?

My 5000W pure-sine inverter has its metal shell grounded via lug to a #6 copper wire that goes to ground about 4 ft. away. The leads go to a combiner box that is grounded to the same ground. Besides ...
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1 vote
2 answers
103 views

Question about new inverter for solar power system

I am new to this community so I hope this is the right place. I am looking into buying a new inverter for my off grid cabin running from solar. I would like to purchase THIS 3000w inverter. My ...
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1 vote
1 answer
95 views

What do I need to switch power automatically from utility to solar offgrid inverter with no downtime at all during the transfer?

I want to switch power somewhere where power outage happens frequently from utility to inverter and back and forth kind of like a UPS without giving up on my inverter and what I already have.
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0 votes
2 answers
635 views

Is adding a GFCI outlet ahead of inverter as good as having one on the inverter?

I am shopping for a 48v DC to AC inverter. Ideally, I'd like the plugs on the inverter to be GFCI protected, but not all inverters have this feature. This inverter is on a boat, mounted in a ...
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0 votes
1 answer
68 views

Solar inverter installation

A reputed solar installer is telling me that I can install more than 20 A worth of solar on a 100 A Main Service Panel (MSP) which has 100 A busbar rating only. According to him it can ...
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2 votes
4 answers
1k views

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 ...
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0 votes
4 answers
2k views

Feasibility of using 18V batteries to power AC tools

I have a few (working) 18V batteries (Makita, LXT) and I would like to be able to power some AC (220V) power tools with them. Many of the AC power tools have electronic control and simply applying DC ...
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0 votes
2 answers
2k views

Water pump and inverter

I'm using a 2500 watt inverter with a regular car battery to power a vacation house with no city electricity or water, all my appliances work just fine except the water pump, the manual of the pump ...
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2 votes
3 answers
50 views

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 ...
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