Reply
 
Thread Tools Search this Thread Display Modes
 
Old 06-23-2022, 07:18 PM   #1
Senior Member
 
101TUG's Avatar
 
City: Gustavia
Vessel Name: Soler Fox
Vessel Model: Selene 62
Join Date: Apr 2016
Posts: 333
what size of solar power do you have on your Trawler

Would be interesting to know about your solar system onboard

Size of solar power
Type of panel and regulator
How many Watt do you produce peak and daily
What type of battery do you have
How many Get Set hour are you running
Are you happy with your choice
Do you plan any installation or update
...
..
.

We just bought Selene 62 and planning large installation but still working on best solution
101TUG is offline   Reply With Quote
Old 06-23-2022, 07:58 PM   #2
Guru
 
City: Rochester, NY
Vessel Name: Hour Glass
Vessel Model: Chris Craft Catalina 381
Join Date: Aug 2019
Posts: 5,335
We've got 820 watts of solar. 2x 410 watt panels, each with its own Victron 100/30 MPPT controller.

Battery bank for us is 415ah at 12 volts, comprised of 2x L16 AGMs in series. I've debated adding more battery capacity, but there's currently no pressing need.

Typical generator runtime when away from shore power is 40 - 60 minutes per day for cooking and making hot water for showers. Unless we get multiple dark cloudy days without moving the boat we hardly ever run it for battery charging.
rslifkin is online now   Reply With Quote
Old 06-23-2022, 08:09 PM   #3
Guru
 
mvweebles's Avatar
 
City: Saint Petersburg
Vessel Name: Weebles
Vessel Model: 1970 Willard 36 Trawler
Join Date: Mar 2019
Posts: 3,980
4x200w solar panels divided port/starboard due to angle of hard top. Each side has a Victron 100/50. 700AH LiFePO4 battery bank. Mine is a 36-footer setup for intended austere cruise (think 1970s sail cruise). I also have 225ah (12v) balmar regulated alternator. I haven't cruiser her enough to know if my 250ah daily budget is correct, or if the system will deliver that much. But pretty sure it will.

I don't know what boat you have, where it's located, or what kind of lifestyle you live. Rslifkin for example has an electric range and a fairly decent sized motoryacht sized boat.

My advice would be to spend some time on an energy budget, then calculate your desired degree of off-grid. I seek 100% off grid for energy use. Rslifkin is hampered by cooking so will always have some generator run time

Peter
__________________
M/V Weebles
1970 Willard 36 Sedan Trawler
mvweebles is online now   Reply With Quote
Old 06-23-2022, 08:22 PM   #4
Guru
 
Ken E.'s Avatar
 
City: Bellingham WA
Vessel Name: Hatt Trick
Vessel Model: 45' Hatteras Convertible
Join Date: Nov 2016
Posts: 1,759
2x350 watt solar panels through one controller. House bank is 8 LA golf cart batteries for about 1000 ah, half of that usable. 5kw genset. Espar hydronic heat, no air conditioning.

After adding solar, we use the generator very little, basically just for cooking. My advice would be to add every last solar watt you can fit on your boat space-wise.Quiet, continuous battery charging that is always on when the sun is out. Be aware that your enery yield will be less than what you would calculate with Ohms law. With our 700 watts and my 12 volt system, my best charge rate is about 35 amps in bright sun. This is adequate for our needs but far less than theoretical.
__________________
Ken on Hatt Trick
Ken E. is offline   Reply With Quote
Old 06-23-2022, 08:27 PM   #5
Guru
 
foggysail's Avatar
 
City: Ashland, MA
Vessel Model: 1990 Silverton 40 aftcabin
Join Date: Jul 2016
Posts: 1,208
I have 4 Canadian 395 watt panels with a Victor 100-50 controller. My panels are wired to two parallel pairs in series which gets my solar voltage up to around 70VDC. My batterbank consists of 8 6V 115 amp golf carts wired into two banks. Each bank has a two parallel pairs in series.

I can spend time on anchor or mooring without needing to run my genny although I do run it in the morning for about an hour to make hot water and coffee. The boat has an 8.3cuft self deforst apartment fridge, 40'' and 32'' hi def tv's.

Things work well and I am so pleased with the solar I have contracted for a 10.4KW system for my home to be installed in September.
foggysail is offline   Reply With Quote
Old 06-23-2022, 08:40 PM   #6
Guru
 
City: Rochester, NY
Vessel Name: Hour Glass
Vessel Model: Chris Craft Catalina 381
Join Date: Aug 2019
Posts: 5,335
Quote:
Originally Posted by mvweebles View Post
I don't know what boat you have, where it's located, or what kind of lifestyle you live. Rslifkin for example has an electric range and a fairly decent sized motoryacht sized boat.

My advice would be to spend some time on an energy budget, then calculate your desired degree of off-grid. I seek 100% off grid for energy use. Rslifkin is hampered by cooking so will always have some generator run time
All good advice. I do have an all electric galley. My boat isn't much bigger than yours though at 38 feet.

If I could fit more solar and added some more battery, I could realistically put in a bigger inverter and cook without the generator. But I'd still have the hot water issue (although I could plumb one of the engines to the water heater to take care of that on travel days). For how little we actually run the generator, I don't have much motivation to change it considering I'm unlikely to remove the generator.
rslifkin is online now   Reply With Quote
Old 06-23-2022, 08:51 PM   #7
Senior Member
 
mcarthur's Avatar
 
City: Canberra
Vessel Name: Blu Emu
Vessel Model: Ligure 50' aluminium power catamaran
Join Date: May 2018
Posts: 255
Was:
8x63W panels from 1997, 2 of which blew away in Hurricane Irma! Lead Acid, probably about 800Wh

Will be:
Just purchased 4.8kW, 16 flexible panels, each being 310W. After that's installed will be finishing the cover over the back deck and add another 2+kW. Choice of flexible is largely because of weight up high - they'll be installed on solid surfaces with poly channels under for cooling. Will be going through a number of Victron MPPT as shading is an issue in for a few spots. Battery will be 48V LiFEPO4.
mcarthur is offline   Reply With Quote
Old 06-23-2022, 09:00 PM   #8
Guru
 
boathealer's Avatar
 
City: Looking
Vessel Name: --
Vessel Model: Between boats
Join Date: Aug 2017
Posts: 1,179
On SCOUT we had 10 x 140W flexible panels split into four banks, each with their own charge controller. 1600Ah AGM 12V house bank.

I wrote up a small summary of the system and our use case (attached). A small daily "diary" is included in the writeup along with actual Victron/Bluetooth sample outputs.

We cooked on an electric induction rangetop and cooked on an outdoor electric grill with no problem.

Since I wrote this short summary up some time ago, we subsequently converted our dinghy to full electric and charged its 1800Wh lithium battery bank (6hp Torqeedo) and also a 750W hot water heater element using the house bank (inverter) replenished by the 1.4kW of solar.

On full sun days, we needed ZERO generator time for all of this while stationary on the hook - indefinitely.

On partial sun days, we would routinely get 1-2 days with no genset needed, before (if the sun didn't come out) then needing to either move the boat to the next destination using alternator charge (2 x 140A Balmars) or firing up the 8kW 'beast' for a bit.
Attached Thumbnails
SolarDiagram.jpg   SolarControllers (Medium).jpg  
Attached Files
File Type: pdf SolarOverviewAndChanges.pdf (458.4 KB, 22 views)
__________________
--
Ray
m/v SCOUT Web Site
m/v SCOUT Projects Page
boathealer is offline   Reply With Quote
Old 06-23-2022, 10:45 PM   #9
TF Site Team
 
Insequent's Avatar
 
City: Brisbane
Vessel Name: Insequent
Vessel Model: Ocean Alexander 50 Mk I
Join Date: Mar 2012
Posts: 3,671
For panels I have 6 x 345W Sunpower and 2 x Trina 330W, so a total of 2,730W. They are arranged in pairs to minimise shading and I'm using 4 x Victron 100/50 Smart controllers. The attached chart shows daily output in recent months, with days of low output being at marina on shore power. I've spent far more days at the marina than I would like! Peak power on sunny days has exceeded nominal system W on a number of occasions. eg in late Dec peak was 2,858 W and max daily yield was 11,880 Wh

House bank is 900Ah LFP, 12V. Start batteries are charged via 2 x 30A DC-DC Victron units. Engine alternators are 2 x 200A via Balmar MC 612 Dual regulator connected to house bank.

Overnight I use ~370 Ah. Solar tops up easily on most days and when full I use a timer switch for 2 hours to make hot water.

No genset other than a Honda eu 2000 for emergencies. Very seldom used. It takes quite a few consecutive cloudy days to take the house bank low enough to warrant starting the Honda, and often I'll just motor for an hour or two to a different anchorage instead.

Currently the system is pretty well balanced and I have no plans to make any further changes.
Attached Files
File Type: pdf Insequent solar.pdf (55.5 KB, 33 views)
__________________
Brian
Insequent is offline   Reply With Quote
Old 06-24-2022, 10:34 AM   #10
Senior Member
 
101TUG's Avatar
 
City: Gustavia
Vessel Name: Soler Fox
Vessel Model: Selene 62
Join Date: Apr 2016
Posts: 333
wow all that is very interesting

did you saw the new flexible panel 360/380Watt 1840mm X 1040mm

https://www.sunportpower.com/wp-cont...S6-QHES(B).pdf

Just placed order for 2 to make try
101TUG is offline   Reply With Quote
Old 06-24-2022, 12:47 PM   #11
Guru
 
Simi 60's Avatar
 
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 4,336
9 X 275w Jinko
Midnite classic 150 mppt
Victron 5000/120 multiplus
840ah @ 24v lifepo4
7kva Genset for rainy days and head start in winter - sunny summer days no Genset needed.


High draw boat with 4 fridge freezer, all domestic 240v totalling 900 litres
180 litre 240v hot water system with 1.8kw element
150 lph 240v watermaker
Multiple 240v appliances including washing machine, induction cooker, electric kettle, air fryer.

Cruising 365 days a year, zero shore power.
__________________
Everything on a boat is broken, you just don't know it yet
Full time cruising is repairing boats in exotic locations
Simi 60 is online now   Reply With Quote
Old 06-24-2022, 01:24 PM   #12
Guru
 
twistedtree's Avatar
 
City: Walkabout Creek
Join Date: Jan 2013
Posts: 7,895
1300 watts, 4 panels, each with its own Victron MPPT controlling it. Not very good yield, I believe mostly because of shading issues. Havenít had much time to attempt corrections. There just isnít much flexibility in locations for large items like radars, masts, and panels
__________________
MVTanglewood.com
twistedtree is offline   Reply With Quote
Old 06-24-2022, 01:47 PM   #13
Senior Member
 
Xlantic's Avatar
 
City: Mahůn, Menorca
Vessel Name: Halcyon
Vessel Model: 1973 Grand Banks 50
Join Date: Mar 2015
Posts: 370
6 x 330 W panels (~2kW in total) integrated into flying-bridge hard-top
Victron MPPT 150/70 controller
3 kW Victron MultiPlus inverter-charger
8 x Trojan T105 6V golf-cart batteries (900 Ah @12V in total)
propane cooking
no AC
no generator (took out ancient Onan this week)
2 x 100 A alternators, externally regulated, charging house bank
__________________
Gilberto
Xlantic is offline   Reply With Quote
Old 06-25-2022, 07:20 AM   #14
Guru
 
City: Rochester, NY
Vessel Name: Hour Glass
Vessel Model: Chris Craft Catalina 381
Join Date: Aug 2019
Posts: 5,335
Reading some of the comments here makes me realize I got lucky in terms of panel placement vs shading issues on my boat. Pretty much nothing on the boat shades the panels, it's more of an issue from other stuff near the boat. On a good day in mid summer, I've seen 3.7 kwh from my 820 watts of panels. And if I'd had more load in the afternoon or the batteries were lower, I think I would have managed around 4 kwh. 3 - 3.2 kwh is pretty reliably achievable on a good day, but I've seen more a few times. I've also seen sustained output in the high 700s a few times and peaks to slightly over the rated 820w.
rslifkin is online now   Reply With Quote
Old 06-25-2022, 05:52 PM   #15
Guru
 
twistedtree's Avatar
 
City: Walkabout Creek
Join Date: Jan 2013
Posts: 7,895
Quote:
Originally Posted by twistedtree View Post
1300 watts, 4 panels, each with its own Victron MPPT controlling it. Not very good yield, I believe mostly because of shading issues. Havenít had much time to attempt corrections. There just isnít much flexibility in locations for large items like radars, masts, and panels

Here's a quick update. I turned up the float voltage on my panels a touch and now they are producing as expected - 1000W+ on 1300W nameplate rating. They are now fully carrying the boat's power loads, and even recharging a bit. This is what I was looking for and expecting, and it should significantly extend our anchor time. We are docked now, but without shore power, and it's great to no be drawing the batteries down. It will be interesting to see how long we can run before the generator kicks on (it's set to 40% SOC as the auto-start threshold).
__________________
MVTanglewood.com
twistedtree is offline   Reply With Quote
Old 06-25-2022, 09:23 PM   #16
Guru
 
OldDan1943's Avatar
 
City: Aventura FL
Vessel Name: Kinja
Vessel Model: American Tug 34 #116
Join Date: Oct 2017
Posts: 9,617
my solar system is designed as 'minimal'. 2X130watt(I think) It will maintain my 4X4D (3 house+start battery) when I not onboard. Basically, it supports 4 bilge pumps and a NovaKool 12vt fridge. So far it seems to work out well.
I'll let the next owner spend the bucks to 'improve' the system.
__________________
The meek will inherit the earth but, the brave will inherit the seas.
OldDan1943 is online now   Reply With Quote
Old 06-28-2022, 10:33 AM   #17
Veteran Member
 
Wild Blue's Avatar
 
City: Morro Bay, CA
Vessel Name: Wild Blue
Vessel Model: Selene 57
Join Date: Mar 2012
Posts: 48
On our Selene 57 has

4 X 400w panels on the F/B hardtop,
2 X Victron 150/70 controllers

House bank MG Energy LiFo 24v X 1120a in 2 banks, 2 X MG Energy BMS

24v 175a alternator with Wakespeed controller

2 X Victron Multiplus 24 v 3000w inverter charger in series

20kw Genset to house chargers

Victron 24v to 24v start bank charger

5kw 24v DC generator with autostart

Alex
__________________
Alex https://www.mvWildBlue.com
Wild Blue is offline   Reply With Quote
Old 06-28-2022, 01:45 PM   #18
Guru
 
motion30's Avatar
 
Join Date: Jan 2010
Posts: 1,103
4◊ 435 watt panels. 2 outback 80 amp controllers. 1350 amp hr of T 105 gc batteries. run the gen set Rarely in the dead of Winter . have made 7kw of power in summer. More electric power then I can use. Average production 4.3kw. Which floates the battery bank. Most days
motion30 is offline   Reply With Quote
Old 06-28-2022, 02:55 PM   #19
Guru
 
City: Port Canaveral
Join Date: Jun 2012
Posts: 2,626
Quote:
Originally Posted by Wild Blue View Post
2 X Victron Multiplus 24 v 3000w inverter charger in series

20kw Genset to house chargers

5kw 24v DC generator with autostart
Alex, sounds like a great setup. Some questions:
1) Do you mean the inverters work in parallel, can you switch one off without having to reprogram it?
2) If you had a chance to redo, would you step down in size perhaps to 12kW or less?
3) Don't see a lot of DC generators, what are your thoughts on it?
Mako is offline   Reply With Quote
Old 06-29-2022, 12:18 AM   #20
Veteran Member
 
Wild Blue's Avatar
 
City: Morro Bay, CA
Vessel Name: Wild Blue
Vessel Model: Selene 57
Join Date: Mar 2012
Posts: 48
Quote:
Originally Posted by Mako View Post
Alex, sounds like a great setup. Some questions:

1) Do you mean the inverters work in parallel, can you switch one off without having to reprogram it?

2) If you had a chance to redo, would you step down in size perhaps to 12kW or less?

3) Don't see a lot of DC generators, what are your thoughts on it?
Mako:

1. So the 2 X Multiplus at 120v each are connected in series such that 1st inverter outputs 120v on L1, 2nd inverter 120v on L2, then the L1 + L2 output is 240v for those loads at 3000w.

We occasionally get an overload alarm when washer or dryer is running and someone runs the toaster, but the Victron seems to hunker down and take it.

2. I can load up the big generator with chargers, water heater, coffee maker, washer-dryer when needed. We hardly used the big generator, as the solar and alternator keep the batteries charged.

This was a used boat and came with a big Genset for the 3 large air conditioning units, which I've never fired up.

3. Never thought I would like a 24v 200a DC generator. It's a Fischer-Panda and very quiet. It's always fully loaded when charging the house bank. I use it quite a bit. It turns out to be the backup when rain or clouds limit the solar charge.

I set it to auto start at 50% charge and bring the house up to 80%, hoping the solar will take over. Might change that to let the house bank discharge a bit further.

Alex
__________________
Alex https://www.mvWildBlue.com
Wild Blue is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Trawler Port Captains
Port Captains are TF volunteers who can serve as local guides or assist with local arrangements and information. Search below to locate Port Captains near your destination. To learn more about this program read here: TF Port Captain Program





All times are GMT -5. The time now is 03:11 PM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2006 - 2012