AEVA Forums

I'll contact @Manie to see if ICC could issue the Q1 command at least for the master inverter. I guess I could also connect my PI to the other 2 inverters and get all the temperatures locally I thought you might just use something simple and temporary like Scott's CRCGen applet and a comms program ...

125 x 12v 100ah batteries. That's $400ea. For used lead acid, configured in looong strings. It doesn't look like they've been neglected for long at all. What could possibly go wrong? :o Where I used to work, we had 20 12 V modules in series, and had to store them for a few months while the rest of ...

A typical set of temperatures for my inverter is 36/34/41/44 °C for SCC/AC/Battery/Transformer temperatures respectively. Mind you, that's at 23 °C inside, perhaps 25 °C outside. These figures come from the not officially documented Q1 command , and reported by my Node-RED monitoring software on the...

My inverters read the AC voltages 3 volts higher ... can this be changed to be accurate? No, not without hardware modifications. The scale of the currents can be adjusted with undocumented commands, but not the voltages. There are voltage scale factors, but they are never changed. [ Edit: added "no...

Dynamic Load Control A new patched firmware feature has been added, called Dynamic Load Control. This allows a serial command to force a machine into standby mode. This is similar to turning off the bottom switch. However, the processor keeps running, so another command can be sent to turn it back ...

Does anybody have an idea where I can get diagrams on this inverter. The service manual does not cover any of the switched power supplies. Do you have this manual? It has basic schematics for several power supplies: https://powerforum.co.za/files/file/10-1-phase-3kw-plus-hybrid-solar-inverter/ . I ...

I have all my panels as strings of three I assume that means that each of your strings is three panels of 60 cells each? Usually the panels with output around 250 W have 60 cells. Panels around 200 W and those around 300+ W usually contain 72 cells; the 200 W panels use the smaller 125 mm cells. A ...

There is a 20 A high rupture current (sand filled or ceramic) fuse exclusively for the charger and DC-DC converter, which is located in the motor controller. That's to protect the cable from the motor controller (where fat cables from the battery live) to the charger and DC-DC. Because it isn't wher...

The MOVs seem to be Brightking brand, part number 561KN20. Specifications here ; basic specs: 350 VAC, 504-616 V for 1mA, clamp at 920 V and 100 A, 280 J at 2 ms. 20 mm diameter, thermal fuse protected. The nearest I can find in a quick search is this part from Mouser (comes up for me in AU$; use th...

coulomb, [ I ] started to open up and test various components inside the inverter today as per the service manual. The entire battery side bus of the main board, is effectively toast and blown :shock: Right up to (and including the) PWM CNTL. ? But didn't you say that it recovered and never showed ...

Is there any new / additional information available about the error 51? We have continued this discussion on the Power Forum. To summarise, Error 51 is not restartable, whereas "ordinary overload" (error 7) is restartable. So this is a "never exceed" situation, protecting the circuitry from catastr...

I suppose there are a few ways to screw it up. Something that has bitten Weber and I is that the software can sometimes be a bit over enthusiastic about erasing the calibration area. Then the CPU speed and analogue readings can be off, and it can be a pain recovering them. At worst, you might have t...

How do you mean, with no power applied? PV power? If there is no PV power, the MG is off, because there is no battery connected. It surprised me too. It seems to be via a normally closed contact, so yes when the power is completely off, I'd expect neutral and earth to be connected internally. The m...

Can I somehow extract the firmware from my MG? Would be interesting... No, it's protected by a 128 bit password, so about 3×10³⁸ combinations. Plus, you need slightly specialised equipment and knowledge. I ended up bonding in my distribution box earth and neutral. (I have no AC in). Otherwise the c...

We are now charging our Renault Zoe electric car off grid! I bought the PIP-5048MG which supports batteryless mode, so I have a direct PV ->EV system. And it is working! Neat! I am curious if one of you know if the tweaks you guys made in the software could work for the MG. Most of the tweaks are a...

mikedufty wrote: ↑

Mon, 08 Oct 2018, 16:48

I asked if we could keep the old charger and they said No.

Huh. Maybe keep an eye on their dumpster?

I happen to have this connector part open in a browser. I thought I'd have to buy one (or several), but Weber heroically saved one that was mangled out of a dead unit. I may as well paste the address here so others (myself included) can find it again if needed. One of these connectors are required i...

Hi Guys, Welcome to the forum. Is there any new / additional information available about the error 51? You may be providing it here; see below. Error 51, for other readers, is documented in the user manuals as "Over current or surge". It seems to relate specifically to inverter current. There are s...

I edited your original post (now two posts back) so the images would appear for me (Chrome (on PC and phone), and Firefox). They way I did it was to use "Show image in new tab" on the photos.google.com images, go to that new tab, and copy the URL that appears there. On other browsers, there would be...

are you talking about the main inverter box directly above the motor itself? Yes. In the original iMiEV, it would have been to the right of the charger/DC-DC box [ Edit: Looking from the back of the car. ]. My understanding is that the fuse is moderately easy to get to. I'm not an iMiEV owner, just...

all external "serviceable" fuses are in working order so... Does that include the fuse for the charger and DC-DC that is actually located under a cover in the motor controller? It's a 20 A 450VDC sand filled (I think) fuse that bolts in. Edit: the DC-DC units are pretty tough, and seem to give litt...

[image=]https://photos.app.goo.gl/TsFrAACD8et3Bs2t5[/image]Another try. The tag is img , not image , and there is no = . Also, your URL is to a complete web page, not a single image. So you need (without the spaces): [ img ] https://photos.google.com/share/AF1QipPgw48KGYgERwNcvzrxFzRDpT5eGKJ0z5rhxf...

if the inverter had been powered off/isolated from AC & batteries, it wouldn't have happened? Yes, assuming you've also isolated the solar panels, then the only source of energy is the bus capacitors. I believe that they have bleed resistors, so they will have discharged within about a minute. So a...

Is there a way to reset this control boards to the factory setting? Yes, there is the PF command (checksum 0x0439). The easiest way to reset to defaults is to download the free WatchPower program on a connected computer, and use one of the menus or buttons to reset all settings to defaults. I don't...

Can I test the main board by just plugging the control board in and connect the 48V batteries and shorting the switch pins? Or must it be screwed onto the casing for the 4 earth screws to make connections? Yes, you can test on the bench; the earth connections are not required for operation. You can...