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Forum Index : Windmills : Chinese 300w Regulator
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Zank Newbie  Joined: 26/06/2008 Location: AustraliaPosts: 14 |
Does anyone have some experience with one of these 12v 300w - 500w chinese made turbines? I recently purchased one but won't be able to experiment for a few weeks yet. One problem I can see is that the regulator is said to cut out at 14.1v and back in at 12.6v. Is the load removed from the generator at 14.1v ??? (My Topo 45a dump load only cuts in at 15v). Should I just replace the regulator/rectifier mentioned on other threads with the added capacitors (this must be done at the generator as there are only 2 slip rings on this model!)and connect to the battery via a pl-20 or similar and use this to dump instead? Any thoughts greatly appreciated. Jon  What goes around .... |
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fernbrae 1 Newbie Joined: 19/01/2009 Location: AustraliaPosts: 22 |
Hello Jon, I to purchased on of these mills ,gave me grief right from the start ,in the end I pulled the tail off and cut all the wires from the electronic regulator . fitted a rectifier from Virtual village . 80 amp 1000 volt with a heat sink made from am aluminium plate ( 8mm thick ) tucked it all back inside and connected the dc side of the rectifier to the wires that attach to the brushes that run on the slip rings. You can connect through the PL 20 but when the wind really gets going this mill can make up to 40 amps ,all being very briefly, so be aware of the max this can put out. Rgds Greg loving life lets be active . |
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| Zank Newbie Joined: 26/06/2008 Location: AustraliaPosts: 14 |
Thanks Greg How has the mill been apart from this. Does the mill furl in any way? Or does it use an electric brake? As you would be aware the info available for this thing is a bit lacking to say the least, but the price was low so not much too lose! Anyone else with a story to tell about this machine? What goes around .... |
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GWatPE Senior Member  Joined: 01/09/2006 Location: AustraliaPosts: 2127 |
I have a feeling that the generic chinese windmill is out of place now as this machine is nothing like the side furling straight blade, non slipring numbers distributed by Electus. My 300W chinese regulator is no resemblance to anything described here. Gordon. become more energy aware |
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| Zank Newbie Joined: 26/06/2008 Location: AustraliaPosts: 14 |
This shows the rectifier/regulator unit What goes around .... |
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| rgormley Senior Member Joined: 22/02/2006 Location: AustraliaPosts: 245 |
1: what do these mills do when "full" charge is reached? 2: do they electrically brake in high winds or just "furl" out of the wind? are they noisy? at high winds? any people in Melbourne that has one flying i would love to see/hear it? i`m interested but noise may be a factor... PM me if you have one i can come and have a look at Cheers, Richard |
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| rgormley Senior Member Joined: 22/02/2006 Location: AustraliaPosts: 245 |
You can connect through the PL 20 but when the wind really gets going this mill can make up to 40 amps ,all being very briefly, so be aware of the max this can put out. what happens during this brief period?? furls or electriclay brakes the mill? |
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| Zank Newbie Joined: 26/06/2008 Location: AustraliaPosts: 14 |
The tail is rigid, though it does have a slight curve in the fin. So I'm not sure if they furl or not!! Greg should be able to answer our questions. Cheers What goes around .... |
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Gizmo Admin Group  Joined: 05/06/2004 Location: AustraliaPosts: 5119 |
Repost of missing posts, this ones a big bugger! fernbrae 1 wrote..... Hi Guys , in answer to the furling question, I found that initally the genny would furl quickly and was thus not making usuable power.I added a piece of 3 ply ( painted first ) to make the tail a little straighter and a bit higher . The location of my pole with the genny on top is behind my house and the wind is a bit swirly in this location. When the winds are strong the genny sits straight into the wind but when it is really strong it furls to the side and you can hear the blades making a distinct noise like they are a bit side on the wind . When it is facing straight into the wind the blades are very quiet. It also can sit anywhere between 10 and 20 amps ,but if ther are gusts I have seen it top 40 amps ,but drops away quickly but it can sit on 20 depending on the wind. I wll take a picture tonight and post it for you to see the extra part attached to the tail. Rgds Greg rgormley wrote..... Greg, dont s`pose your in melb? or any body else got one of these mills that live in melb, i`m realy interested to hear/see these things in flight! (dont want to pi$$ off the neighbours) ....Richard rgormley then wrote..... also greg, is your unit the "new type" as shown in the top photo? and is it 12v or 24v ?? fernbrae 1 wrote..... Hi Richard , yes I am in Rowville and my neighboiurs are facinated with what I have got going at home. When I last spoke to them they said if this all works I should help them do their place . Mine looks /looked like the one in the top photo, a little different now. where are you located?? Replace the 1 in my forum name with 5 at bigpond.com. Rgds Greg rgormley wrote..... ok will email you tonight (when i get home from work) i`m in altona meadows (i have one of the older 250W 12v chinese mills flying with a small set of "fan" blades, as the orig blades are way to loud, but with the small set i can "set and forget" yep will email you and tee something up... Cheers... Jarbar wrote... Hello Greg,I too would be interested in having a look so will also email you. Anthony. fernbrae 1 wrote..... As promised . pics Sorry Greg, we've lost those photo's. Could you repost them? rgormley wrote..... are they wires hanging down from the back? you said you connected your own rectifier/heat sink fin and then reconnected to the slip rings yeah?? so whats the wire hanging? Zank wrote..... Hi Greg Thanks for the info and pics! Slip rings give you grief did they? Have you tried capacitors pre bridge? Regarding the use of a PL-20 or similar regulator, somebody correct me if I'm wrong but don't these just act as a dump load trigger on the battery? Not regulating the generator at all! Would be an expensive way to control load dump, or am I missing an important aspect of the regulators function? Cheers Zank also wrote..... Greg Did the tail mod straighten the curve in the fin very much? GWatPE wrote..... The PL20 is much more than a windmill regulator. The most useful aspect is the battery maintenance function with programmable boost, absorbtion, equalization and float voltage settings and programmable times for boost and absorbtion and equalization frequency. You said there were slip rings. Not enough space for the rectifiers eh, so wires have to be the go. Rigid blades and no furling. Need to do something about this. There are simple windmill diversion regulators that have been offered in other posts that would be a start. The PL20 with the PWM output would be good for the battery, using a separate resistive loading. This is basically what I use, with another diversion loading on the windmill. Gordon. Zank wrote..... Hi Gordon Looking at the PL-20 wind sheet 2 info, it appears to me that the electrons flow directly to the battery and not through the PL-20. So how can pwm regulation be achieved? Please keep in mind that my mill is theoretically capable of 40a+ so needs to be connected to the L- on the PL-20 via a relay. (And my lack of electronics experience) On another note, I plan to replace the current rectifier/controller unit (this is inbuilt). Is it better to use one high current bridge or three smaller units (the gen is 3 phase). I would like to try your voltage doubler as I only have 5m/s average wind. Is this viable on a 12v system. Cheers fernbrae 1 wrote..... http://www.virtualvillage.com/Items/007901-004?&caSKU=007901 -004&caTitle=3%20Phase/DC%2075A%201000V%20SKBPC%20Bridge%20R ectifier The above link is the rectifier I used for the wind mill I mounted it on a 8mm piece of aluminium and pulled out the slip rings ( these gave me grief ) drilled a holt out the body and run the wires outside ( when inside without the slip rings the wires twisted up ) So now it seems to work fine . My battery bank is 6x 2 volt 1200 amp hour gel cells ,they need lots of amps to fully charge so I have the genny directly connected with a 80 amp 600 watt diode in the positive cable and a 100 amp circuit breaker above next to the Amp meter. THis has not got a dump load as yet as when the batteries are fully charged I can switch out the circuit breaked at will. The pl60 handles the solar and does all the controlling that it is supposed to ( I hope ) But my inverter is constanly on all the time and runs my garage door ,the ducted vacume system and my entertainment systen ( with souround sound 0 in the living room. This will shortly be changed with a relay in the meter box so as when the inverter is on the relay will click off the mains and run thr whole house ,when the inverter drops out if the batteries run low it will automatically switch back to the mains. Hence the Lenz. My lifes story. I use LED lights where possible ,from Hafele. Rgds Greg Zank wrote..... Thanks Greg Did the addition to the fin straighten the curvature of the fin? I assume that this is how it furls, The stronger the wind, the more the tail pushes to the left if viewed front on. Zank then wrote..... Hi Greg Sorry, I read back through the thread and found the answer to the question above. Cheers GWatPE wrote..... Hi Greg, Amps are not just what the Gel battery needs. If the inverter has a standby feature then you should try and allow it to be used as often as possible. You have described small or intermittant high loads on the inverter. [unless you vacuum all the time]. You have the grid connected. My inverter consumes about 17W when operating with a plugpac connected. Nothing powered from the plugpac. If the plugpac is removed, the inverter returns to standby and the consumption drops to < 1W. I only run items that power OFF completely, or can be switched OFF manually, from the inverter. By doing this, I can run my Laptop data logger directly from the battery, using only half the power, so the battery is cycled less. BTW if you have a changeover cct installed, then you will require appropriate signage in the disconnect box. Hi Zank, I would think you are doing very well with an average of 5m/s winds. I only have an average of 3m/s over the whole year. I do not use the PL20 according to the data sheet. I use a combo of PL20 PWM output,L1, opto coupled interface, and external PWM regulator. The PL20 controls the battery charging settings on the external PWM regulator on my battery. I have separate voltage sensing diversion loading on the windmills. My system is pretty complicated, with many interlocks and safety systems, with full fail safes. Gordon. Zank wrote..... Thanks Gordon 5m/s for my area is from the BOM database. Very flat and open country here, should be able to spin a mill most of the time. We do seem to have an abundance of breeze in the 2m/s - 5m/s range, so I thought the cap mod may be well worth the effort! Any advise on 12v setup? Regards Jon Phew!  The best time to plant a tree was twenty years ago, the second best time is right now. JAQ |
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| fernbrae 1 Newbie Joined: 19/01/2009 Location: AustraliaPosts: 22 |
Hi Jon. that was a long one to read all the information, with regards to the inverter ,is has a Green function that will I guess be a stand by function ( according to the Instructions ) Problem is when I adjust the setting so as it goes on Green function the light on the motor of my garage door turns on and the inverter powers up straight away. Since I wrote previously .I picked up 6 x 2 volt Gel 460 amp hour batteries and have added then to the battery bank . This will give me a bit extra amp hours now.1660 amp hours .Just can`t wait to get the lenz 2 frame all welded up and then I can finaly assemble this beast.and see how much it can deliver. Thanks for the replys Rgds Greg 
loving life lets be active . |
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| Zank Newbie Joined: 26/06/2008 Location: AustraliaPosts: 14 |
Anyone else have any experience with one of these 300w chinese windmills ?? What goes around .... |
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