Questions tagged [inverter]
The inverter tag has no usage guidance.
69
questions
14
votes
1
answer
3k
views
Is oil normally this dirty after a 5-hour break-in period of a small inverter generator?
I bought a small inverter generator, filled it with SAE10-30 oil that shipped with it, taking care to check with the dipstick several times so as not to overfill it (though it did take the full bottle)...
8
votes
3
answers
2k
views
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 ...
5
votes
2
answers
3k
views
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 ...
5
votes
2
answers
2k
views
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 ...
4
votes
2
answers
361
views
Help understanding grid tie inverters with limiters [closed]
Wondering if someone can answer some questions for me about my ideal solar setup.
Background - I'm looking to tinker with adding some solar piecemeal ( I know I'm better off getting all identical ...
3
votes
2
answers
468
views
Off Grid Solar System - 250 amps of Inverter capacity - What load center do I use?
I have four Sol-Ark 15k inverters (Although I'd like to size things so that I have room to add more in the future if needed). Each inverter can supply up to 62.5 amps of continuous power. So 62.5 ...
3
votes
2
answers
7k
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 ...
2
votes
4
answers
672
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 ...
2
votes
4
answers
2k
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 ...
2
votes
4
answers
2k
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 ...
2
votes
1
answer
124
views
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. ...
2
votes
1
answer
2k
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 ...
2
votes
3
answers
57
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 ...
2
votes
2
answers
3k
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 ...
2
votes
0
answers
151
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 ...
1
vote
4
answers
3k
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 ...
1
vote
1
answer
1k
views
Does an off-grid solar inverter need to be UL listed?
I'd like to put some solar panels near my house and power a small sub panel with a few key circuits. Like the fridge and freezer. The idea is to reduce my electrical bill, and have some power to use ...
1
vote
1
answer
142
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 ...
1
vote
2
answers
1k
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 ...
1
vote
3
answers
7k
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 ...
1
vote
1
answer
2k
views
Does an air conditioner's fan use more power on Max than on Auto?
I have an inverter air conditioner unit. I usually set it on 26°C, to save energy consumption. I live in a really hot area (it's 34°C right now (~93°F), in the middle of the night). My questions is ...
1
vote
1
answer
123
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 ...
1
vote
2
answers
3k
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 ...
1
vote
1
answer
228
views
Is it safe to plug 110v outlet to inverter input, and inverter output to the inletbox
I have installed the 10 breakers transfer switch, so if the power is out I can just connect the generator to the inlet box.
I dont want to disturb my neighbors at night so I am planning to install ...
1
vote
2
answers
511
views
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 ...
1
vote
2
answers
282
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 ...
1
vote
3
answers
779
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 ...
1
vote
1
answer
99
views
How does an inverter use excess solar capacity to charge a DC connected battery?
Given the following home solar setup:
10KW of solar panels
5KW (Fronius Gen24) inverter
10KWH DC attached battery
And it is a sunny day with the potential of generating a full 10WK from the solar ...
1
vote
1
answer
333
views
Proper torque specs and cleaning busbar and lug connections
I have 4 stud M8 (5/16”) Bus bars which connects 4/0 and 3/0 copper lugs from the LiFePo4 batteries (2.5 kWh) and Inverters 2.6 kW split phase off-grid).
I wanted to know what can I use to clean the ...
1
vote
1
answer
4k
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 ...
1
vote
2
answers
126
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 ...
1
vote
1
answer
167
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.
1
vote
0
answers
268
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 ...
0
votes
2
answers
1k
views
Can micro inverters be fooled to feed back-up when grid is down?
I have a small roof that barely fits 12 panels, a row of 8 in portrait on top, and a row of 4 in landscape below. The 4 will get some shadow on the bottom for about 4 months of the year, so they would ...
0
votes
4
answers
1k
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 ...
0
votes
2
answers
93
views
Interlock for GE PowerMark plus subpanel [closed]
I have a GE TL412R1P subpanel and would like to use a 70 amp breaker for the inverter and another 30 amp for the generator as transfer switch to either accept power from a 30 amp max split phase power ...
0
votes
1
answer
168
views
Should an inverter heat pump be sized according to the conventional AC unit it replaces?
A split conventional AC needs to be replaced due to age. The current AC is 48K BTU (4-ton).
If replaced with an inverter heat pump, should it be sized with a 48K BTU unit? Or should it be sized with ...
0
votes
1
answer
74
views
Can I Change The 240V Coming Into the Main Panel To 2 120V Panels?
I have a generator that has a 240V plug which connects to the main house panel via 8/3 Romex (Black, Red, White, Ground). The generator has two 30A breakers on it. Can I split that wire coming into ...
0
votes
2
answers
278
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 ...
0
votes
2
answers
125
views
Was my inverter damaged during testing?
Can a Sun Gold, model LFPV10KW, solar inverter be damaged if one or both of these things are done:
the inverter's terminals are shorted together while attaching the 220amp battery to the inverter. ...
0
votes
1
answer
823
views
How do I avoid overcharging the inverter battery and keep it healthy [closed]
I have installed the Luminous Inverter Battery (lead acid) as power back up for essential electrical appliances at home.
There is not much electricity cut. I just want to be sure that I'm not ...
0
votes
1
answer
120
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 ...
0
votes
1
answer
93
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 ...
0
votes
1
answer
234
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" ...
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 ...
0
votes
1
answer
106
views
Can I Still Use 2nd Hot Wire In Panel If I Rewired Panel For 120V? [closed]
I'm working on a cabin that only has electricity supplied to it from a generator room outside the house. The wire coming into the house was 8/3 with the 2 hots going to separate sides of the panel and ...
0
votes
2
answers
4k
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 ...
0
votes
1
answer
240
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 ...
0
votes
1
answer
4k
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 ...
0
votes
1
answer
544
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 ...