Bandersnatch
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Posts posted by Bandersnatch
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19 hours ago, Bandersnatch said:
8pm, the storm hasn’t even ramped up yet and the grid is down!
PEA was down from 8pm to 4am.
I have a lot of tech in the house such as servers and managed switches which I tend to leave on powered by solar
I switched most of it off and managed to reduce the house load to 360 Watts
I managed to run the house for 2 nights on batteries without charging in between
Has been raining all day sometimes quite hard, but I have switched off PEA now and see how we do tomorrow.
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8pm, the storm hasn’t even ramped up yet and the grid is down!
I have switched over to my backup solar batteries, looking to delay the possibility of power-cut as long as possible.
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6 minutes ago, MJCM said:How much solar power have you been producing today if I may ask?
You (and we also) had rains and cloudy sky all day long today!
I discharged my batteries to 50% last night and they are now at 39%
Solar production today looks like this across my three inverters
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Having solar and batteries I am am very reluctant to use grid power if i can avoid it at all. I tend to set my inverter priorities as Solar first, then Batteries and finally and very reluctantly Grid power. However during storm season like we are currently experiencing in Thailand my thinking changes. I have made a short video to explain my plan.
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Interesting article by the South China Morning Post (published in Hong Kong) about the state of the EV industry in Thailand.
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Christian who runs this group does solar UPS systems https://www.facebook.com/groups/300126774329850
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34 minutes ago, LukKrueng said:
Both Deye and Growatt mention 8V low voltage battery. Does that mean batteries included in the price or those are the supported batteries?
No batteries are extra with Growatt. I went win nRuit more info on my blog EcoHouseThailand.com
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5 minutes ago, KannikaP said:Does the Momo one have a clamp type or a ring to go on the incoming live feed please?
Clamp - it’s pretty clear in my second video
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37 minutes ago, KannikaP said:
The energy monitor you got from Momo, is it OK just to monitor my PEA consumption?
The clamp meter records the power used in the the house in real time, so switch on the aircon and monitor it on the app.
In total you can compare the kWh used for the month on the app with the PEA bill, if there is a big difference maybe your neighbors are borrowing some ????
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8 minutes ago, Yorkie said:
Sorry. I used your bill but did not reference it to you; or anyone else.
No problem at all, just thought it was funny
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14 minutes ago, MJCM said:
How much kWh would it take for your car to go from 0 - 100%?
17kWh
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13 minutes ago, KannikaP said:
Very interesting and I shall look into getting one. However it must take quite a while for your coffee machine ie kettle to boil the water if it is only 700 watts. most are in the 3kw range.
It’s a drip coffee maker with an insulated jug and no warming plate. Takes about 5 minutes.
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1 hour ago, MJCM said:Personally I am not going for a 0 Unit Pea bill but will settle for a bill in the low 100s, because of the investment (read Battery) but maybe in the future.
Question please: What was your highest PEA Bill (kWh wise) since you got Solar installed?
17kWh Is the most I have used in a month. That happened when I charged my EV in the afternoon with lots of sun it then clouded over and I drained my house batteries into my car.
Currently I can’t feed power back from my car batteries into the house batteries. My next EV will have V2L and will be able to.-
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14 hours ago, Yorkie said:This is an interesting bill - no discount!
@Yorkie I had a bill just like that this month ????
3 hours ago, MJCM said:Talk to @Bandersnatch he also has his meter replaced several times as he uses Solar to power his house but just keeps the PEA for backup which is a good thing.
@MJCM - Yes that's my bill for this month.
Like others have posted I have several smart plugs that can be programmed to switch off devices at certain times and record the power used by devices attached to it.
I also have a Home Energy Monitoring System - in fact 2 one for household power usage and one for the power my EV uses.
Short video I made of the system in operation:
Here is a much longer more detailed video that I made of the system:
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10 minutes ago, LukKrueng said:Any recommendations for such an inverter? One that can switch seemlesly between battery and main power and have the batteries charged by the main?
Costs?
I am very happy with my Growatt SPF 5000 ES inverters that I paid ฿36,000 delivered. They can be programmed to do all the things that you asked for.
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You can set your priority order in the inverter. My standard settings is solar first then battery then grid.
My LFP batteries are kept at a minimum state of charge of 22% by the inverter. Above this point they are only charged by solar as I have chosen that setting as I don’t want to wake up in the morning with batteries that charged to 100% from the grid just as my solar panels start producing.
My solar panels power the house and my EV then any excess is put into the batteries.
I occasionally use the grid to help power my house load, but never to charge my batteries.
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My Plan is to is to use a transfer switch to alternate between grid power and power from V2L into my inverter. I made a video about how it could be done
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15 hours ago, Misab said:Thank you all for your comments, they are really appreciated and a great help. Some of you talked about PEA which made me search on the internet. For those of you there are interested in updated rules. I found this:
https://www.kunini.com/solar-rooftop-update/
The link is a blog for a solar installer but doesn’t have references to any official sites or documents.
When I met with the Head Office Manager at PEA Surin I asked him for a link to PEA’s rules for home solar installation, he could not give it to me. The meeting that went on for a couple of hours consisted mostly of him and his staff on the phone trying to find answers to my questions.
To my knowledge my system complies with only one of the rules listed in the link (not to export) yet I have had 3 inspections by PEA including the solar team from PEA Korat and my system has passed every time.
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9 hours ago, mistral53 said:
I am not a Tesla fanboy. With that out of the way - the crappy Tesla build quality actually applies only to US made Tesla's, the Chinese get high reviews, even from customers in Germany. I know, this comment will infuriate the China bashers, but there are a good bunch of videos on YT with US and Chinese models compared back to back on the same dealer lot.
Last but not least, the US models are getting better, too, just be sure not to fall for what Tesla fanbois label 'luxury' car - except for the price there is not much luxury about Tesla's.
Having never driven a Tesla I have to rely on owner reviews on YouTube. The ones I have seen agree with what you say.
I have previously posted about BMW and Mercedes-Benz's EV plans in Thailand. Mercedes-Benz will build electric vehicles in Thailand, starting with its flagship electric EQS sedan this year. The Mercedes EQS has a RRP range of £105,610 to £119,610 in the UK so will be probably close to ฿5,000,000 here. BMW EVs start at ฿3,500,000 - no word yet on the BMW iX1 in Thailand. By comparison a RWD Model Y in Australia is about ฿1,700,000. The price in Thailand remains to be seen, but I would consider a less luxurious Tesla EV if the price is right.
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My experience in Surin from a few years ago may not be relevant to you.
I asked at Surin PEA head office if permission was required. I said I didn’t want to join the rooftop solar program, at the time the feed-in credit was only ฿1.68 with a 5kW max for your system if you had single phase electric. I was told no permission was required.
After it was installed I visited again to ask if it needed inspecting. There was a new guy there who said my system was illegal as it was over 10kW. I later found out that he was referring to the 10kW max for feed in on a three phase system and he knew nothing about solar.
A team from Korat came down to confirm that my off-grid inverter could not feed back to the grid.
since then I have had my meter changed 5 times as new meter readers see it has not moved and reported it as broken.
PEA offices seem to have different understanding and interpretations of the rules.
The feed in credit is now ฿2.2 per kWh and your equipment needs to be on the approved list.
I am not an expert on FIT as I self consume - my solar system powers my house and EV 99%
Probably not up to date:
https://solar-thailand.com/pdf/PEA.pdf
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7 hours ago, HidyHo said:
You misunderstood my question. My question was regarding lack of motorcycles/scooter with fast charging capabilities., not number of charging stations in Thailand.
As far as I know, there is only one company, Energica Motor Company, who currently has DC fast charging motorcycles in the market and Energica is not sold in Thailand. I think newly released BMW CE 04 scooter might be fast charging as well but not 100% sure about this (also currently not sold in Thailand). My point is that EV motorcycle seems be very far behind EV automobiles development.
Ok sorry about that.
With most electric motorbikes sold in Thailand having 1-3kWh batteries fast charging would not be necessary. They are designed to be charged at home or the battery swapped.
I saw this swap station at an EV show recently
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1 hour ago, HidyHo said:
More importantly for me, when will the world (and Thailand) have more DC fast charging motorcycle/scooters with decent range (at sensible price)?
This thread has been running for months and we get asked this question every few days. Check out PlugShare for a map of chargers.
see my post last week about PTT chargers which are rolling out. MG has CCS2DC every 150km
Electric Motorbikes in Thailand seem to be for local trips. Haven’t seen any touring ones yet, but Triumph have a factory here…..
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2 hours ago, CLW said:
Isn't the Marvel R just an upgrade / successor of the MG ZS EV?
MGZSEV is a B segment SUV Length is 4,314mm
Single motor 0-60mph 8 seconds
The Marvel R is a C segment SUV Length is 4,674mm
Triple motor 4 wheel drive 0-60mph 4.9 seconds
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5 hours ago, bkk_mike said:
You might want to look at the early reviews of the MG4 in the UK. (That's called the Marvel in China, and is right hand drive).
i.e. It definitely means it's going to be available in right hand drive, and the MG4 may even be what it gets called here.
I will admit I'm more interested that Tesla has started hiring staff in Thailand. If they build out some charging on major routes, and import directly from their factory in China (meaning zero import duty), that could be a real game changer. Solar is a no-brainer in Thailand for home charging (for those with a house at least).
I posted about the MG 4 on the 20th August check back to page 21 of this thread.
Electric Vehicles in Thailand
in Thailand Motor Discussion
Posted
My MG wall box was installed under cover so no box was required to protect it from the sun and the rain
If like most Thai houses you don’t have a wrap around roof a box is required like this one.
I don’t have a dedicated meter as I persuaded MG to allow me to charge my MG from my solar system.