Great, but how about breaks? #1
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Hi Philippe, As I currently have "0" electronic parts, I need to buy and look the liberty to make a list of the components for other people to purchase. (with price) Personaly I like Aliexpress. Few questions: For the capacitors, what is the right voltage? 80 or 100 or 200v? List of all materials: One 3-phases power rectifier 150A ($7.75) Dump load Arduino Uno R3 ($3.25) current sensors ACS712 module, 20A ($1.25) CD display 1602 with I2C interface ($2.00) power transistor CMOS Schottky diode, (10 x MBR30200 = $1.75) One self of 100uH at least 15A ($4.00) electrolytic capacitors (4 x 4700uF/80v, total 10000uF or more) 2x transistors 2N2222 ($1.00) (for 100) 4.7V zeners (*wattage?) Electrolytic capacitors (* voltage?) Resistors Prototype shield for Arduino Uno R3 ($2.00) extra: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Detailed List of components C = Capacitator D = Diode L = Inductor R = Resistor R1 = 10R T = Transistor Transistor (with no letter or number) between R11, R12, R15 R10 and R14 are the 2N2222 NPN?? |
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Hi @fhorst1 welcome here too :) Right now I'm working for a PCB. Then I will work for the version 2.0 with some changes : 10000uF capacitor for input of the inverter, low power state for the ATmega328 when it is not windy, with an alarm (buzzer) if Vsor is under VsorMin, and an alarm if overload is reach in case of storm. |
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Hi Philippe,
thank you for contacting me.
I have not that knowledge about electronics...
as far as I understand you (we) already use 10.000uf, yes?
[image: image.png]
I've done some googling about the ATmega328, if i understand it correctly
it is to replace the arduino ???
(but also that it is the arduino chip.... LOL sometimes being a noob makes
this difficult to understand)
I was not aware the Arduino uses much power :-)
Alarm (buzzer) if Vsor is under VsorMin, does not make a whole lot sense
for me.
I use 6KW inverter to convert my 48 DC to 230AC. If the battery array is
below 10%, that one makes a loud beep and stops working.
Standby mode is already about 100 watts.... without really inverting energy.
That is just me, but i think most people will want to charge their
batteries, and want to convert this charge to AC230 (or110)
Most (maybe all?) inverters use more energy in standby mode than the MTTP
will.
A buzzer would give an alarm, but what do you expect people to do then this
buzzer goes?
Real life for me is when the inverter starts to cry, i know the batteries
are low and i need to put my laptop to hibernate.
The rest of the equipment (refrigerator, airconditioning etc) will just
stop working.
What would you like me to do with the MTTP's?
Turn them off?
I don't think that is a good idea, as controllers are meant just to be
there and do their thing, without constant interference.
Many systems are hybrid, have solar and wind. When will the Vsor be under
VsorMin ?
Mostly at night, really early morning... You are sleeping.
Buzzer goes and you wake up, realising that the battery levels are too low.
What will you do?
Get out of bed to stumble in the night towards the setup and do??
:-)
I'm trying to help with your thoughts, how they will translate in practical
life (at least my life)
Why would the Trigger Delay Timer Relais not operate?
To my understanding simply short the 3 wires is a quick and dirty brake.
Abrupt, what might give damage to the turbine and/or blades.
short 2 of the 3 is like half brake, slowing down, adding a few seconds
later the third wire will give the same hard stop, but the speed is already
drastically reduced.
it would require 2 times the Trigger Delay Timer Relais per MTTP. First one
shorts 2 wires, second one shorts also 2 wires.
as there are 3, and the 2 pairs are different pairs, both shorts will give
a 3 wire short.
the trigger is the power (or pulse) you would normally provide to switch to
the dump-load, yes?
When the voltage is too high, the T2 makes the connection to the dump-load.
R2 is the line that triggers T2 to switch to dump-load, yes?
if I would not connect it to T2 i can connect it to both trigger
connections of the Trigger Delay Timer Relais (who have different time
settings)
Please correct me if I'm wrong.
I am a beginner in reading those drawings, but a quick study :-)
The alarm if overload is reach in case of storm you where planning, that
one would be even more nice for me to use as trigger.
A dump load resistor is for me not easy to accomplish.
Thailand is already HOT (last "summer" (hot season) 44 degrees Celsius)
I could use a heating element,
https://www.aliexpress.com/item/32991460130.html , mount them outside the
house.
In the rear situation the battery array is full (sunny, cool days, and
there is too much wind) they can be used as dumpload.
But it does leave me with the typhoon scenario. And thrust me, that is
not a doom scenario but realistic one.
A few days back there was a typhoon in Asia and its course was projected to
go directly over our house.....
Lucky for us it reduced in power when it was on land (Vietnam, after this
Cambodia)
Many floods in the area, but we got lucky, this time.
we don't need to buy a new roof :-)
But, typhoons are a real problem.
It would be great if you could help me to make the Trigger Delay Timer
Relais work.
I am not always at home, like now I an in Holland....
That typhoon almost made me change my flight to go back 2 weeks sooner..
Lucky lucky lucky :-)
When can you have the PCB ready??
I am in Europe till the 14th, after this you need to send to Thailand :-)
When i'm back home, all the parts have arrived, and i am planing to start
soldering this thing and try to make it work.
If you like, you are more that welcome to help me.
I can't pay for your trip, but your stay would be free, and you can see
lovely Thailand Isaan country :-)
Trip from Bangkok to Udon Thani airport is no problem to pay for you, and
we pick you up at the airport .
My email address is [email protected]
Whatsapp +31653653474
line: sirquest2017
Best regards,
Frank
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…On Thu, 5 Sep 2019 at 01:58, PhilippeDC ***@***.***> wrote:
Hi @fhorst1 <https://github.com/fhorst1> welcome here too :)
I do not understand why I do not receive notifications when I get any
post, not here nor on arduino.cc...???
Yes I understand about brakes, we do not have this trouble with Piggott
wind turbines.
What I suppose in case of very big storm, despite the dumpload is switch
on, the voltage still increase over the nominal voltage value. In this case
a duplicate dumpload circuit where the dumpload resistor is a short circuit
may be the solution. Your link to the Trigger Delay Timer Relais does not
operate.
Right now I'm working for a PCB. Then I will work for the version 2.0 with
some changes : 10000uF capacitor for input of the inverter, low power state
for the ATmega328 when it is not windy, with an alarm (buzzer) if Vsor is
under VsorMin, and an alarm if overload is reach in case of storm.
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Hi, when do you plan to build the regulators ? |
What I can say : in case of high storm, either you break the wind turbine, either you can burn the 3 coils : You must not short 2 wires. It must the 3 at the same time. But at the beginning for a short time only to dissipate the heat, for instance :
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Hi Philippe,
I'm kind of confused, as many information does not come from official
education, but trying to grasp using the internet.
What i read about was that shorting 2 of the 3 strators will reduce the
speed of the turbine.
of as a fact any 3 phase motor.
short 3 wires does the same, but more abrupt.
even that abrupt that it could put great force on the blades and axes that
one of them will snap.
I'm aware electric magnets can be crazy powerful
If my understanding is correct, you can measure the rpm by frequency.
the rpm is controlled my the MTTP,
is it possible to set a max rpm?
a kind of threshold where it is still safe to use the breaks?
It is a situation that will occur 2 or 3 times a year.
To heavy storms.
only problem is that I do not know when they will occur and if i will be in
the area to be able to manually stop the turbine. (prior to the storm)
I'm not the only one with this problem, most cheap systems (for turbines
without pitch control and real brakes) they use the 3 wire short.
nothing sexy, just stop.
9 out of 10 times this will work fine.
but it is a big stress.
that is why i start searching for more gently ways, and read about was that
shorting 2 of the 3 strator will reduce the speed of the turbine.
of as a fact any 3 phase motor.
Next month I can test onsite.
just by hand short 2 wires and see if it does work as brake.
now it is all just theory :-)
…On Tue, 10 Sep 2019 at 12:14, PhilippeDC ***@***.***> wrote:
it would require 2 times the Trigger Delay Timer Relais per MTTP. First one
shorts 2 wires, second one shorts also 2 wires.
as there are 3, and the 2 pairs are different pairs, both shorts will give
a 3 wire short.
What I can say : in case of high storm, either you break the wind turbine,
either you can burn the 3 coils : You must not short 2 wires. It must the 3
at the same time. But at the beginning for a short time only to dissipate
the heat, for instance :
- short for half a second, delay for 1 second,
- short for half a second, delay for half a second
- ......
- short for a second, delay for a second
- short definitively
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Hi, I've just ordered PCB. I have to test it before publishing it.
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Looking good!!
7 x 10.000uF??
i counted 5 per pcb.
(and ordered 16 x 80v, 10.000uF)
with 7 I still can start building 2, but I need to order some extra.
Did I make a miscount?
Best regards,
Frank
…On Wed, 11 Sep 2019 at 13:18, PhilippeDC ***@***.***> wrote:
Hi, I've just ordered PCB. I have to test it before publishing it.
[image: regulator_pcb]
<https://user-images.githubusercontent.com/50800330/64692982-9a466b80-d496-11e9-9f24-949d5170a2d1.JPG>
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Nooo, it is 6x 4700 or 3x 10000uf. 4700uf are more than twice less expensive than 10000. |
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:-)
Yes I read that in France the 10.000 are more expensive.
In China the 4700 is only little cheaper then the 10.000
How much would you normal pay for a 10.000 or a 4700?
(80v)
I pay about 2.30 euro for a 10.000
(Include transport)
US $2.06 20%OFF | 35x50mm 80V 10000uF Electrolytic Capacitor Filter
Current Condenser For Audio Amplifier
https://s.click.aliexpress.com/e/BBMusKmG
…On Thu, Sep 12, 2019, 18:37 PhilippeDC ***@***.***> wrote:
Nooo, it is 6x 4700 or 3x 10000uf. 4700uf are more than twice less
expensive than 10000.
What you see for the 7th is the self. I could not find the right symbol,
so I use a capacitor....
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I looked at the pricing in Holland for the 4700 and the 10000
4700 is about 6 or 7 euro, the 10000 20 Euro's.
That is quite a price difference!!
2.30 (USD) or 20 euro...
Better buy in China :-)
If all works OK, I always can change them to Japanese brand.
(If they quit working fast)
…On Thu, Sep 12, 2019, 21:04 Frank Van der Horst ***@***.***> wrote:
:-)
Yes I read that in France the 10.000 are more expensive.
In China the 4700 is only little cheaper then the 10.000
How much would you normal pay for a 10.000 or a 4700?
(80v)
I pay about 2.30 euro for a 10.000
(Include transport)
US $2.06 20%OFF | 35x50mm 80V 10000uF Electrolytic Capacitor Filter
Current Condenser For Audio Amplifier
https://s.click.aliexpress.com/e/BBMusKmG
On Thu, Sep 12, 2019, 18:37 PhilippeDC ***@***.***> wrote:
> Nooo, it is 6x 4700 or 3x 10000uf. 4700uf are more than twice less
> expensive than 10000.
> What you see for the 7th is the self. I could not find the right symbol,
> so I use a capacitor....
>
> —
> You are receiving this because you were mentioned.
> Reply to this email directly, view it on GitHub
> <#1?email_source=notifications&email_token=ADVGBDFVBZGQ52WY4GWJG5LQJJV47A5CNFSM4IMTSTPKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD6SP4ZI#issuecomment-530906725>,
> or mute the thread
> <https://github.com/notifications/unsubscribe-auth/ADVGBDG4NBOJDVGCFSOJ2BTQJJV47ANCNFSM4IMTSTPA>
> .
>
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And here my email address also :-)
Thank you for sharing!
…On Sat, Sep 14, 2019, 17:15 Frank Van der Horst ***@***.***> wrote:
I looked at the pricing in Holland for the 4700 and the 10000
4700 is about 6 or 7 euro, the 10000 20 Euro's.
That is quite a price difference!!
2.30 (USD) or 20 euro...
Better buy in China :-)
If all works OK, I always can change them to Japanese brand.
(If they quit working fast)
On Thu, Sep 12, 2019, 21:04 Frank Van der Horst ***@***.***> wrote:
> :-)
>
> Yes I read that in France the 10.000 are more expensive.
>
> In China the 4700 is only little cheaper then the 10.000
>
> How much would you normal pay for a 10.000 or a 4700?
> (80v)
>
> I pay about 2.30 euro for a 10.000
> (Include transport)
>
>
> US $2.06 20%OFF | 35x50mm 80V 10000uF Electrolytic Capacitor Filter
> Current Condenser For Audio Amplifier
> https://s.click.aliexpress.com/e/BBMusKmG
>
>
> On Thu, Sep 12, 2019, 18:37 PhilippeDC ***@***.***> wrote:
>
>> Nooo, it is 6x 4700 or 3x 10000uf. 4700uf are more than twice less
>> expensive than 10000.
>> What you see for the 7th is the self. I could not find the right symbol,
>> so I use a capacitor....
>>
>> —
>> You are receiving this because you were mentioned.
>> Reply to this email directly, view it on GitHub
>> <#1?email_source=notifications&email_token=ADVGBDFVBZGQ52WY4GWJG5LQJJV47A5CNFSM4IMTSTPKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD6SP4ZI#issuecomment-530906725>,
>> or mute the thread
>> <https://github.com/notifications/unsubscribe-auth/ADVGBDG4NBOJDVGCFSOJ2BTQJJV47ANCNFSM4IMTSTPA>
>> .
>>
>
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Hello,
I am in the process of ordering 15 PCB.
But 5 need to go to my home address in Thailand, and 10 to my friends
address in France.
Is this possible, and if so, how do I arrange this?
Best regards,
Frank van der Horst
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Hello, do you have any PCB drawing or .sch?? |
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Hi, I can provide pcb. You will find my email in the manual. |
I really love your solution and I am going to build 4 of them.
Buying from Aliexpress they only costs me US$ 35,- per controller :-)
But... how about brakes?
Dumpload is an expensive solution, and does not (???) protect the wind turbine during storm.
I live in a low wind speed area, off grid, 18 x 335w solar and 4x 800w wind.
This makes the wind turbines economical OK.
95% of the time wind speeds are below 5/ms
99.9% of the time the wind turbines will never get in the situation that they will overcharge the battery array (48v, 800ah lead-acid)
The 0.1%..
0r maybe even 0.001% of the time.
When there is a storm, the turbine needs to be stoped.
I'm thinking to use your dump load connection to activate a relay that shorts the 3 wires.
(with some delay) using Trigger Delay Timer Relais (https://aliexpress.com/item/32881401830.htm)
They are relatieve cheap ($0.80) but is it possible to let the Arduino make a delayed short betweem the 3 wires?
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