Talk:Solar inverter

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Request for ENF Link

We have been researching solar inverter companies for over three years, and have built up a list of 170 solar inverter manufacturers here: ENF PV Inverter Industry Directory

It is not only a list of all the inverter manufacturers around the world - we have also researched the power range they are producing, and whether they are on-grid or off-grid inverters. I think it is highly relevant to people searching for photovoltaic inverter manufacturers and I would highly appreciate an appropriate link being added.

Kit Temple (talk) 02:54, 3 March 2009 (UTC)[reply]

Hmmm. I vote for killing this page for at least 2 reasons

There is very little technical distinction (often, none) between an inverter and those used by PV systems. For that reason, there really isn't any such thing as a "pv inverter"

inverter_(electrical) covers the topic in much more detail, with the possible exception of info about grid-tie, etc.

Is there a difference between inverter and pv inverter

I am the opinion that there are a lot of differences between the topic inverter and the topic pv inverter.

And yes, there are indeed a lot of pv inverters available. For more details, see http://www.SMA.de or http://www.sma-america.com

For example the ENS and the MPP tracker (maximum power point tracker) are not found in any inverter for drive control. So, from the momentary point of view, the amount of information under the topic is quite small. But I am sure it will increase.

Killing the page and putting all together under the topic inverter is ok if no further distinction and information on the different types of inverters is wanted.

I vote against killing and merging this page.

wkw1959

Bafflement

What does this mean:

An inverter designed for grid-tie operation will have anti-islanding protection built in; it will inject small pulses that are slightly out of phase with the AC electrical system in order to cancel any stray resonances that may be present when the grid shuts down.

Out of phase? With a dead grid? Cancel resonances? Huh? Sounds like uninformed sales-speak here. Now I've got to look at the cited IEEE standard. --Wtshymanski (talk) 13:04, 28 October 2009 (UTC)[reply]

Untagged

I've removed the suggested merge tag to grid tie inverter - not all solar inverters are grid tied, and not all grid tied inverters have solar panels connected. --Wtshymanski (talk) 13:01, 29 October 2009 (UTC)[reply]

Restored MPPT section

I added back a section which was removed by an unknown user who made no other edits, and there was no edit summary given or rationale discussed here for the deletion.

The edit in question was: [1]

David Hollman (Talk) 15:23, 25 August 2010 (UTC)[reply]

The MPPT diagram

I think the MPPT diagram in its present form is not really helpful.

It shows Umax and Imax but honestly they are just U and I at the maximum power point MPP.

How would one find the MPP?

 o  You would, by experiment, measure the U vs I curve of your PV panel.
    (Alternatively, if your inverter is already in operation, you would vary
     the current a bit to explore the values in the neighbourhood of the present MPP.)
    That is indeed the curve shown in the present diagram, well, the two curves.
 o  You superimpose this diagram with hyperbolas, i.e. U*I curves representing
    various power settings.
 o  You pick the point where your panel's curve touches the hyperbola
    of the highest power setting.  This is the present MPP.
    The MPP moves as the sun changes, including shading, or your PV panels warm up, or
    other changes occur.

What should be changed in the diagram? Please superimpose at least these hyperbolas, and perhaps indicate "maximum present watts".

Puddington (talk) 18:01, 29 April 2011 (UTC)[reply]

Merging

There's a basic difference between solar inverters and Solar micro-inverters: The former is connected to a bunch of solar panels (with mppt, anti islanding etc.), whereas the micro inverters are commonly connected to individual panels. Solar micro-inverters will come under the broader category of Solar inverters. Since the article Solar micro-inverter has too much info, I suggest a section be added in Solar inverter with a main article link to Solar micro-inverter.--Suraj T 06:32, 10 June 2011 (UTC)[reply]

Web sites of manufacturers and sellers of solar equipment are not reliable sources

We need to be using reliable sources. Manufacturers and sellers of solar equipment probably have fairly accurate information on their sites but their neutrality is always questionable. We need third party sources such as technical books and review articles written by independent authors. I know it's more difficult to locate such sources but most of the easy one's that can be found with a quick Google search are most likely from commercial sites that are not appropriate. I have removed the sources that I think do not meet Wikipedia standards and replaced them with Citation needed tags. Joja lozzo 01:47, 18 July 2011 (UTC) Optional Battery is located in the wrong place...needs to be placed as the input to the inverter since it is a DC source like the solar panels.[reply]

Define string inverter

String inverter redirects here but is not defined, that I can find. 3dimen (talk) 18:52, 6 June 2014 (UTC)[reply]

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Merger proposal

The following discussion is closed. Please do not modify it. Subsequent comments should be made in a new section. A summary of the conclusions reached follows.

The result of this discussion was to merge. Chidgk1 (talk) 08:35, 27 September 2022 (UTC)[reply]

@Saksapoiss, Wickey, Plantsurfer, Reywas92, Matthiaspaul, and GliderMaven: I propose merging Solar micro-inverter and Three-phase micro-inverter and Intelligent hybrid inverter into Solar inverter. I think the content in those articles can easily be explained in the context of Solar inverter, and a merger would not cause any article-size or weighting problems in Solar inverter.Chidgk1 (talk) 17:20, 16 September 2022 (UTC)[reply]

Support - yes, I don't see why not. Plantsurfer 18:01, 16 September 2022 (UTC)[reply]
Support --ElMagyar (talk) 07:21, 27 September 2022 (UTC)[reply]

The discussion above is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Is "intelligent hybrid inverter" section neutral?

Comment in merged article was "The article seems to be made to fit the “example” commercial product." Chidgk1 (talk) 13:27, 27 September 2022 (UTC)[reply]

I came here exactly for this reason. No it's definitely not neutral and up to WP standards, more like a sales pitch. I will remove it altogether. The number of times these things need to call themselves "smart", "intelligent" and "2.0" smells fishy, it's the disease of this decade. Matthieu Houriet (talk) 10:42, 26 April 2023 (UTC)[reply]