2018-07-03 16:28
My company purchased an S-343 5kW wind turbine from Endurance Wind Power, but we don't seem to have the proper documentation or manual on how to install and maintain it. Since Endurance had… Read More
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Green Power Talk Blog
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The discussion forum for all things rewable, green, or sustainable.
2018-06-23 13:46
My name Bill Franklin and I am new to this forum.
My entire career has been spent working with and for the electrical power conversion, transmission and end use/application markets and tec… Read More
2018-06-11 11:57
Sustainable energy promotions are the only way to aware the people more and more about the sustainable energy sources and its benefits.
To keep yourself updated we are going to provide you… Read More
2018-06-03 00:56
Hi guys:
I plan for fixed pitch variable speed turbine with :5 k watt ,220v at 1500 rpm.my house max load is less than 2.5 k watt.now ,what are my chance for design a turbine with 5 kwatt a… Read More
2018-06-01 02:18
Got a polite email today saying that I'm not talking enough around here lately.
Okay, my cousin just bought a remote cabin with a solar set-up that may have been installed 11 years ago. Al… Read More
2018-05-31 20:29
It was recently pointed out to me that our site's ReCaptcha (the thing that tries to figure out if you're human) no longer worked. We were using v1 and Google recently turned that off (Googl… Read More
2018-05-20 16:28
100 PERCENT RENEWABLES
At SOLARIO, we strive for 100% clean, renewable energy all around the world. Thanks to our patented SOLARIO Technology, we have the power to make it happen.
Join our… Read More
2018-05-16 21:05
Forr sale:
Sunforce 600w turbine, barely used 25’ tower also
Aims 3000w 24v inverter, also barely used
Long story on why they’re barely used but they are practically new condi… Read More
2018-05-16 21:03
For sale:
Sunforce 600w turbine, barely used 25’ tower also
Aims 3000w 24v inverter, also barely used
Long story on why they’re barely used but they are practically new condit… Read More
2018-05-11 14:00
AURORA
PVI 6000-OUTD-US-W. Inverter
PVI 7200 Wind Interface
Like new. In the box.
First reasonable offer will not be refused
Paul [email protected]
Attached T… Read More
2018-05-08 11:25
The Green Ontario Fund announced it is going to pay $1/Watt for new net-metering solar systems in Ontario. No specific start date has been posted yet, their wording is "summer 2018".
There… Read More
2018-05-02 05:08
Hi guys,
I'm currently designing a machine for producing electricity independently. I urgently needs to do some electrostatic painting for my device.
It is meant to be showcased in a sci… Read More
2018-04-26 17:50
I just had new panels installed Dec 2017, as a new micro-fit project. Now three have significantly cracked glass. Has anyone else encountered this problem? Read More
2018-04-12 08:38
Hello everyone,
I want to know if a francis turbine can work under head variation of 33% or not. In the scenario i am talking about, the maximum head is 90 m and min… Read More
2018-04-10 13:14
Hello,
I'm thinking of installing some thermodynamic solar at my home in Portugal for domestic hot water. The company I am in contact with is http://www.energie.pt/en/.
Does anyone have an… Read More
2018-03-27 02:17
Just putting together things for a system on our new home , was looking at the Schneider electric Mppt 80 600v. Has anyone used this charge controller I like the thought of the 600v loosing… Read More
2018-03-24 17:13
I bought one off of eBay to tinker with since the prices have come down to $125.
I don't see anything in the auction about who actually makes it. Is there a stamp in it somewhere that could… Read More
2018-03-21 16:19
Hello all.
I am new to this forum, and I joined because of the many years I have been tinkering with alternative energy.
At 65 I thought I had plenty of time to still tinker. I do not.
I… Read More
2018-03-20 03:23
I'm considering a ground up build on a virgin site in Phoenix. For the foundation - slab on grade is the most common here - and it is beneficial in summertime as it tends to stay quite cool… Read More
2018-03-15 04:01
would it be possible for a set of water wheels to run multiple things. Like spin screw pumps and assist in electricity generation? Also would it be feasible to attach wind turbines to the… Read More
2018-03-14 19:46
I'm looking for affordable options for a 2kW 120Vac inverter that will operate in the 0 degree F area. Modified sine wave is fine. This is to create a bare bones back-up power source to dra… Read More
2018-03-12 18:35
I have added a fixed array to my off grid system. I found last summer that the 1350 W original array would not reach float by the end of the day. Our consumption has increased with a new fri… Read More
2018-03-01 20:59
New member here. Greetings to you all. Didn't see a general discussion forum for introducing myself so thought the next best thing is the forum where I will probably have most of my question… Read More
2018-02-15 20:03
Hi,
I was looking at the Samil / Solar River SR5KTLA1 grid connect inverter.
It looks like there are modbus registers for Samil devices described here:http://www.123solar.org/phpBB/viewtop… Read More
2018-02-14 23:11
Hi guys,
I'm after advice/direction in setting up my mini turbine farm. There's loads of local regulations regarding height limits, etc, which rules out a horizontal turbine. So I'm design… Read More
2018-02-12 19:55
im new when it comes to renewable energy but i was very interested in it as well. i found a new way to create your own solar powered appliances and wind power as well. it cut my hydro bill i… Read More
2018-02-12 15:11
I own a pool business that uses a 12v battery powered pool vaccume that attaches and detaches from the rear of my truck. It has to be charged very 2 or 3 days in order to work properly. I wo… Read More
2018-02-07 15:51
Hey guys I finally finished some tests / data logging of my new design and have piled everything in to a .ppt I have to give to a few investors. The part that struck me odd was that I techni… Read More
2018-02-04 22:20
Hello all!
This is my first posting here but not my first appreciation for the vast knowledge accessible by forum frequenters.
I have a small farm that I would like to bring into self-su… Read More
2018-02-03 01:34
Hello
may be some one can help me to get my power curve perfect
i have a 3 kw wind turbine , grit connected , 3 phase , 380 volt ,4 meter wheel , dumpload starts at 390 volt
and a 5 kw gi… Read More
2018-02-02 21:02
Hi,
Does anyone know of a battery charger (lead acid and/or LiFEPO4) that can be polled and controlled by modbus?
Thanks, John Read More
2018-01-23 17:53
Hi again.
For the Lenz2 Vawt project i'm building I'm having a hard time finding an alternator for the turbine because it spins at a relatively low rpm. Does anyone have any suggestions on… Read More
2018-01-23 09:13
Hello everyone,
For the past 18 months, I have been working as the Construction Project Manager for Kivulini Maternity Centre in Arusha, Tanzania. The construction is just about finished, a… Read More
2018-01-23 09:06
Hello everyone,
For the past 18 months, I have been working as the Construction Project Manager for Kivulini Maternity Centre in Arusha, Tanzania. The construction is just about finished, a… Read More
2018-01-21 11:34
Came home from a vacation and the inverter has quit working and showing me a code of ;inter code 031; what does this mean? Read More
2018-01-18 16:06
Dear people on this forum!
We want to introduce ourselfs and our tech.
As Kelly's Windwing, Festo's double-wing and the tyerwind, the EneBird Tech is a wing-based tech, instead of rotor-base… Read More
2018-01-17 17:28
As per sketch a 2 meter long tube is mounted on the left arm of a seesaw and this see saw is balanced due to counterweight.there is a 10 kg mass ball located in the in rest position in the t… Read More
2018-01-11 18:44
We've just completed a home in Tijuana Sur, Campo Torres. The beach gets a bit of fog in the am and wind starts late morning. Plenty of wind, probably enough sun. Everything in the house is… Read More
2018-01-10 12:13
Hello
i am new to Wind turbine projects and i need your help to evaluate my setup i did
i purchased Apollo wind turbine 550W with 6 blades 12V
i install wind controller
i installed (2) Ca… Read More
2018-01-09 21:30
Hello everyone I'm new to the forum. I'm making a vertical axis wind turbine of the Lenz2 type as a school project and I also have to do some calculations about it.
I found this formula to… Read More
2018-01-09 04:26
Hi,
I was interested in collecting some data from a pyranometer, and wondering if anyone had any experience with any pyranometers that are solid. We like Modbus in general so that would be… Read More
2018-01-08 09:29
There are many DIY Solar courses online but most of them look fishy. Do you guys know any legitimate course that you would recommend? I would appreciate it Read More
2018-01-07 11:05
Hi everyone,
After a long and arduous period getting installed on our land I have finally got the solar installed. Now we have the situation of poor PV output and this slow battery charging… Read More
2018-01-05 17:42
I am trying to make a single cylinder vortex induced vibration electricity generating module. I have tried many combinations of mass ratio and spring stiffness, but unfortunately the cylinde… Read More
2018-01-03 05:29
Hello guys I'm new to the forums. I have some questions mainly about loading a generator but first I would like to ask everyone's opinion about a new design and if it is a one bladed wind tu… Read More
2018-01-02 10:09
Is water desalination as an environment initiative focussed and followed in Saudi Arabia? Any insights? Read More
2018-01-01 15:45
A Happy New Year everyone! :tea:
Best wishes from Green Power Talk for 2018. I think it'll be a good one, with lots of green power projects!
-RoB Read More
2018-01-01 13:56
A question that I've always had is: can even the brightest moonlight generate enough DC power in my solar panels that my grid-tie inverter will show even the smallest signs of life?
Last ni… Read More
2017-12-28 04:32
Has anyone ever explored this idea? The premise is to create a floodgate that is triggered by gravity and have a reservoir behind it. The times release of water is done through gravity and t… Read More
2017-12-23 23:22
I'd like to wish the best of Christmas and New Year to all the GPT readers and members, and especially our super mod Rob.
Another year successfully negotiated.:cool: Read More
2017-12-17 17:08
To avoid occasional violent mast oscillations with my 6 kw Eoltec on a 12m mast, I have attached three guy wires, at 120 degrees in the ground plane and about 26 degrees to the mast, from ju… Read More
2017-12-16 23:29
Big (rich) boys and their toys.http://www.abc.net.au/news/2017-12-1...onaire/9265522 Read More
2017-12-16 10:45
I am currently working on a small (750 watt) induction generator. I am a complete novice and am trying to learn what I can here.
My goal is to use a relay switch to turn on and off my turbi… Read More
2017-12-14 06:20
Is it true that the private sector is also majorly involved in the development of sustainable energy in KSA? Read More
2017-12-10 21:03
Hi there. I do mining in a remote wilderness area. I have a camp where I have a travel trailer, work shed, water storage tanks, satellite internet and t.v. Currently I run everything with ga… Read More
2017-12-10 05:33
https://youtu.be/euGYWZsLGRM
https://youtu.be/euGYWZsLGRM
Hi, manual PMA charging a super cap bank, us… Read More
2017-12-09 20:35
Hi There
From google I found this post: https://www.greenpowertalk.org/showthread.php?t=22677
I see the user recieves some help getting his MPPT curve better. I too am looking to optimizi… Read More
2017-12-05 01:25
Hello Fellow Wind Turbine Owners,
I have just lowered my Sonkyo Windspot 3.5 turbine for maintenance and servicing and I found a few surprises, some critical. I have the turbine completely… Read More
2017-11-30 14:24
My question is exactly the same as this post from 10 years ago.https://www.greenpowertalk.org/showt...ight=islanding
I want to connect an induction (asynchronous) generator directly to the… Read More
2017-11-27 18:53
Hello,
I joined this forum because it looks like a great resource to come to for advise and ideas for a project that our nonprofit organization is spearheading. For now, I want to introdu… Read More
2017-11-27 17:58
Hello to all members,
I'm glad finding this forum, in special looks like is hosted by a Canadian Company. We are located in SW Ontario and planning to retire in couple "more" years, so we s… Read More
2017-11-23 07:10
Hello everyone,
I am newbie here, just joined this forum site, hope to learn some new things here Read More
2017-11-21 22:53
Good evening I’m new to the forum! I’m a helicopter pilot curious about wind energy.. I’m just wondering if anyone has experience with using Tachogenerators? I know how the… Read More
2017-11-14 17:47
Hi,
New to the forum and wind energy. I just installed a system into a pole barn we use as a cabin for hunting. My first question here will be about the batteries. I have 4 deep cycle ba… Read More
2017-11-08 14:39
Hi, we have a project where we are trying to design a two-bladed wind turbine from ebaboard with a diameter equal to 1 m. We would like to know what the maximum Cp value we can expect is. Fr… Read More
2017-11-06 21:26
Does anyone have any knowledge (equipment / specifications) about the Tesla PV system as offered by Solar City?
Someone on reddit mentioned that after going through the same co-op (my sys… Read More
2017-11-04 16:52
I have designed a Poncelet floating hydro generator and will be using the Windtura 750 alternator. Our camp is located in North Tanzania near Lake Natron.
I am thinking of using 3 phase st… Read More
2017-11-04 06:20
I trying to decide on solar and I have questions about costs and equipment. And while being technically mind, I know nothing useful about solar with regards to practical application. Below… Read More
2017-11-03 22:13
Hi All =)
I need to calculate the required amount (volume) of 10% NaOH solution (in H2O) needed to fully react and extract the electric energy from X amount of Aluminum (say, 1 gram, to mak… Read More
2017-11-02 18:44
Hello =)
I'm doing a sort of market survey and would like to pose a few questions to the community.
Let us assume there was a disposable RE battery developed for mobile phones. What would… Read More
2017-11-02 12:18
And I thought Joe Blake was tough!http://www.smh.com.au/victoria/sam-m...0171030-gzbjnc
What a ride.
Ralph Read More
2017-11-01 20:53
How are large energy projects put together?
Lets say I want to build a wind farm in Ontario, Canada for example. What are the steps in sequence typically?
Lets assume the capital requirem… Read More
2017-10-31 16:44
Hi All =)
I'm new to the forum so I thought I should introduce myself. I have been interested in, been experimenting with, and inventing in the R/Alt NRG field since I was about 8 years old… Read More
2017-10-30 07:56
Hi;
I'm new to forum.
I'm trying to install a 50KW synchronized generator (from PV and wind source) in a warehouse area near facility so that reduce electric bill.
is it ok to connect to… Read More
2017-10-23 13:43
Wind, storage and back-up system designerPeak demand, wind and back-up power / energy usage and storage capacity calculator
For the specification and design of renewable energy electricity… Read More
2017-10-22 20:28
Hi, I am relatively new to this so excuse my ignorance. I bought a hydrid wind solar system as a back up power supply/experiment for my life style property. A 800w 3 phase 3 blade wind turbi… Read More
2017-10-11 02:41
We've had 6.8 Kw of solar on our garage roof since 2013 which does 87% of our bill annually running problem free but in July started blowing a circuit breaker between 10AM and 2PM every day… Read More
2017-10-10 11:06
:idea:
A number of researchers and technicians worked 6+ years on a new generation of direct-drive machines as you can see on this video.
It's based on axial flux technology.
For a 3MW tur… Read More
2017-10-08 13:43
Hi, I have investigated the theory behind different types of wind turbines, and found out that the chord length is derived in a way that gives a constant torque along the whole blade.
Are… Read More
2017-10-05 04:09
I had been trying to go eco-friendly in my house. And to an extent I have gained good control over being so. The one thing that helped me grow more was the kitchen remodelling in Toronto&rsq&hell…Read More
2017-10-04 17:07
Just thought I'd share this event coming up next week: https://goo.gl/eSYwzM
Wednesday 10/11 @ 10 am PST
Not sure how affordable it would be for consumers out the gate, but hoping to poss… Read More
2017-10-04 17:06
Just thought I'd share this event coming up next week: https://goo.gl/eSYwzM
Wednesday 10/11 @ 10 am PST
Not sure how affordable it would be for consumers out the gate, but hoping to pos… Read More
2017-10-04 14:28
Hi,
I want to share the video with very helpful instruction - How to repair car battery instead of buying new one. Here is link to this video on Youtube:
Car Battery Repair After S… Read More
2017-09-26 17:06
For those in the Ottawa area:
Solacity will be hosting an open house once again this year, for the Green Energy Doors Open event of 2017. Anyone interested in seeing the building, or our ne… Read More
2017-09-23 04:31
First of all, please bear with me if this has been a topic in the past. I'd be glad if someone would point me to the right threads if that is the case. I'm new to solar systems but I'm tryin… Read More
2017-09-21 18:50
Hi there
I have a 24 V solar system with generator backup to help charge my battery bank on cloudy days. What are the recommended settings for AGS.
I am looking for start-up voltages for… Read More
2017-09-15 05:03
The description below was interspersed with pictures but when I tried to post it had too many pictures. I've deleted all of the pix but one and left the text. The rest of the pix can be foun… Read More
2017-09-14 15:11
Trying to help a neighbor sell a pair of Skystream 2.4 wind turbines near Bemidji Minnesota. Currently NOT working and have been disconnected from grid tie system. Not interested in offers… Read More
2017-09-13 19:50
Hi Chaps,
it's been a while since I visited, mainly because everything is running so sweetly and we've been getting by on PV and hydro. However, winter is on the way and I'd like to start u… Read More
2017-09-13 15:01
I have two bull gear sets suitable for water wheel application for sale.
$3000.00 or best offer per discussion.
For more information please call Richard at 716-474-9353.
Thanks!!! Read More
2017-09-05 12:24
Our family has been running off grid for the most part for over a year and are in the process of building a new home. We have a large family of 8 in the house and large shop to supply. Curre… Read More
2017-09-04 13:45
Hi,
Out of the ordinary - I've been making and testing kite turbines.
I challenged myself to charge a car with a kite turbine which packs into the car before 21 Dec 2017.
I Charged an e… Read More
2017-08-30 06:33
We know what for variable speed wind turbines (utility scale), the rpm increase from cut-in speed to rated speed. How is the frequency maintained at 50 HZ(or 60HZ) by DFIG during this regime… Read More
2017-08-14 05:05
Everyone should wholeheartedly endorse the broad goals of going green and work together for it. We often think what we as individuals can help in the paramount mission to preserve natural re… Read More
2017-08-12 22:52
I just put up a Inspeed Anemometer to test my daily avg for the next few months. I was wondering is there a weather site that might be able to give me that info so I can compare?
I'm just s… Read More
2017-08-04 17:18
Hi there
New to the off grid scene. Just purchased a home with solar panels, deep cycle lead acid batteries, small wind turbine and diesel backup generator. I currently have 12 2V Rolls-S… Read More
2017-07-29 12:55
IEREK Press is pleased to release the 2nd issue of The International Journal of Environmental Science & Sustainable Development titled “Sustainable Development towards the Preserva… Read More
2017-07-28 04:25
I was wondering for places with High electricity cost with high peak hours such as Ontario, I was wondering:
1. Are tenants able to install the Tesla powerwall? This would be used to provi… Read More
2017-07-27 04:55
Hi,
I understand that perpetual motion machines don't truly work because gravity is not putting any energy into them. Gravity is a force and is just turning the potential energy into mecha… Read More
2017-07-20 22:35
Hello Again,
Anyone using SAFT or Edison flooded pocket plate Nickel Cadmium cells?
I'd like to talk. Exchange information and perhaps learn something new.
Thank you Read More
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