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hkalan
Senior Member


Hong Kong
1019 Posts

Posted - August 14 2013 :  00:46:26  Show Profile  Visit hkalan's Homepage Send hkalan a Private Message  Reply with Quote
Hello,

Not sure where to put this. It has Solar, Wind, and waves all rolled up into one !

An expat that was living here in Hong Kong has headed back to his office in the UK, as his over-seas contract has ended. He picked up a low cost 50 foot teak boat, and has been unable to sell it. He gave it to me for FREE, and hopes I can do some good things with it.



I thought I would turn it into an "Autonomous II".

I have some gear (maybe too much) from when we were building Autonomous 1, that was upgraded once the shipbuilder started the construction.

So, now that there is only a few more months left in the Typhoon season. I can schedule my time to put the following system in, and in the evenings. Phyllis and I can work on the pulse motor idea's I have.

Here is the system plan..



The vessel is at a mooring that has shore water and power. It has a 400Ah house bank and the 200Ah engine bank. I will maybe up the House bank to 1,200Ah from the first thought 800Ah.

I have 1,200W of solar in storage, and would like to add an additional 1,200w as you see in the plan. I can put the solar rack above the top bimini, and tie the structure to the 2 main pols at the stern to mount the wind turbines.

The vessel has an Onan 7.5Kw generator, and that is wonderful. I can install some relay should the banks fall low to start up the Genset to charge the banks.

The two 600w wind turbines are 3-pase AC output, so I have the rectifyer and dump load controllers. I want to use 2 dump load controllers. The first is for the "On-Grid". As long as the vessel is at the mooring and connected to shore power, I can feed the dump-load to a Grid-Tie inverter. The voltage of that controller would be at 29.7v. If the grid goes down or we are out to see. I will set the Morningstar to start at 30v and then send the current to a 1,200W DC water heater element as the dump load. That way the batteries are allways safe !

I will use the same WattsView on Autonomous 1 to monitor the system, and have a GSM modem to broadcast the production when I am away from the vessel.

I am thinking about how to set up the inverter, and keep it cool (out of the engine room. I may need to put the house bank in 2 places (port and starboard), and the 4,000w off-grid inverter in the stern. This will reqire some big wire.



This will be a nice get-a-way vessel, and a place I can do some pf my pulse motor builds (below the main deck, next to the engine room).



Since I am at it... Hong Kong has all the sunshine... Why not make a solar collector for hot water, and maybe even use to heat a cabin on a cold winters day...



The overal structure of the vessel is good, and will make a great boat to enjoy with friends for island jumping inside the Hong Kong Waters.



Edited by - hkalan on August 14 2013 01:22:14

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aaron5120
New Member



Costa Rica
13 Posts

Posted - August 14 2013 :  00:56:44  Show Profile Send aaron5120 a Private Message  Reply with Quote
I happened to be another expat also! I also live in Hong Kong! If you want help for your endeavor, I might be of help!
PM me if you are interested, I am from Costa Rica, and my family currently lives here, my son was born here and he is 14 years old now.

aaron5120

Am Retired, but not out of service!
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hkalan
Senior Member



Hong Kong
1019 Posts

Posted - August 14 2013 :  01:26:56  Show Profile  Visit hkalan's Homepage Send hkalan a Private Message  Reply with Quote
Hello my friend...

I updated the images. Have a full read !

I am in Aberdeen... Hope you enjoy the T8 today ! I am on the boat... The rocking from the wind and waves puts me asleep LOL.

I will drop you a PM !

Glad you came to IAEC, and now I have one more mate in Hong Kong !

Alan

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aaron5120
New Member



Costa Rica
13 Posts

Posted - August 16 2013 :  22:59:40  Show Profile Send aaron5120 a Private Message  Reply with Quote
Hi Alan,
I enjoyed the update. Very nice. I look forward to learning a lot with you in this project. I am not so familiar with the electrical wiring for a Solar off-grid system. You seem to be quite good at Marine Electricity stuff.
I sent you a SMS in the 16th, not sure if you have received it?
Anyway, looking forward to meeting your goodself in the coming week, when you are landing in the HK island.
aaron5120

Am Retired, but not out of service!
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aaron5120
New Member



Costa Rica
13 Posts

Posted - August 18 2013 :  10:43:18  Show Profile Send aaron5120 a Private Message  Reply with Quote
Hi Alan,
Realized that you are online now. So just want to say hello!
My phone number is in the MMS so you my reach me tomorrow at any time.
Good night!

aaron5120

Am Retired, but not out of service!
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