WS500: Using the "Feature-In" wire with High Output Alternator on a tiny diesel engine!
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- čas přidán 2. 08. 2023
- We are BIG fans of the WakeSpeed voltage regulator at the Marine Technology Center in Anacortes. This is an amazing piece of machinery! Setting up boats with high capacity charging systems is a big part of our electrical curriculum, because most modern cruising boats rely on a robust electrical system. This fall we'll be doing more of this work and reporting back how Andy's system worked this past season.
Wakespeed.com
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Skagit Valley College Marine Technology Program
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Another great option is the Electromaxx Genmaxx, one of the best alternators on the market especially if you opted for the remote mounted rectifier. The industrial needs to recognize Ken Knight as one the first pioneers in opening up this technology.
I do like those alternators! We were looking for direct replacement options. For new technicians this is the best option, we bring in custom mounts and large frame, but awesome, alternators later.
Very cool! Thank you for sharing!
Thanks for watching!
Please do an in-depth, focused video on how to set up whitespace. I’ve watched all the videos from the spring training and I’m frustrated by Al’s many references to what you will talk about tomorrow , which apparently won’t come for the rest of us 😊. TIA
I've reached out - Dragonfly energy is supposed to be working on an official video about whitespace, If it's not being worked on I might try to find a few minutes and create one.
@@SVCSkallywags Thank you, that would be great. How about “Whitespace For Dummies”? That should garner a few clicks.
Using the phone app to build the configuration, it's pretty easy to setup. You have a series of graphs that you can modify that specify what the maximum percentage is at various rpm bands.
@@nonenowherebye Thank you for adding your experience, I appreciate it. Since I posted the above, I have played around with the app and come to the same conclusion. The technology is amazing.
Grateful Al shared his history of Wakespeed, love the story and how we can all benefit from this technology!!! 😀
We really enjoyed getting the story of how this all got started
In the beginning, you should mention what you say at the middle. This system you're thinking of in your head as you describe all this is a traditional battery (fancy carbon foam) not a Lithium system with a BMS system.
Are you trying say... if you apply system nominal voltage (12/24/48) depending on your system) to Feature In that you have configured the Wakespeed to limit itself to 1/2 power (a voltage regulated charge) and then you disconnect Feature In, you let the Wakespeed go at Max Power?
Thanks for feedback, we'll probably do an updated video with more features this fall. I'm still working with Dragonfly and this product
Could you do a segment on how to take the power-efficiency curves that, say, Yanmar or Beta produce to set the white space most efficiently and safely?
Good thoughts, we could probably put that together. I'd consult with Al the WakeSpeed founder to verify my process. Essentially you can use factory power curves and look at the power curve vs RPM*** As long as your engine is propped correctly and reaches the factory W.O.T R.P.M's***
@@SVCSkallywags I’ve done it (correctly, I think) but there’s a lot of folks out there who would benefit from a tutorial.
Great content. Thanks for sharing with the community!
Thanks for doing this video! I hope you can clarify something I was confused about. I understand White Space and its great value, for example of setting it so at idle RPM (eg 800) or at max RPM (eg 3000) there is 0 field current so no load on the engine. But if one sets 100% at 1100 RPM, is it not the case that based on pulley ratio this still might represent a relatively small load (not 80%) on the engine? In other words, the load at 100% is still dictated by the RPMs/pulley ratio so even if it is a 5,000 watt alternator there might only be for example 1,500 watts (low load) being harvested at that low RPM? Thanks for any clarification you can provide!
I'll give this a shot at clarifying. Let's use a Beta 20 HP or 14.9 KW and let's say we put an American Power Systems 250 amp, 12 volt alternator on it (3 KW). If we target 80% which is 12 KW continuous. The 15 KW is at 3600 RPM. At 1500 RPM the engine only has 5 KW output, so if you want the boat to be able to motor, you need the output of the alternator to be at about 10% this is the whitespace that is available. The WakeSpeed will do this for us so that as we speed it will increase the alternator output to keep the engine 80% load with varying engine speeds and environmental conditions on the boat.
Hope this helps.
Second cup of coffee. The pulley question: most modern alternators are set up so that once the engine RPM is above about 1200 they are capable of full output. When we do large alt's on small engines we need to watch this, unless charging at anchor. This is only part of the white-space. Once the boat is at cruising speed then we want to add load to get to 80% for that RPM ~ in my example maybe the boat is using 8 KW, so we want the alternator to add 4 KW of load to keep the engine at the 80% load (12 KW). Dragonfly is supposed to be making a training video about this topic, I may do another and go into more detail as well - it's an awesome feature
@@SVCSkallywags Thank you for this answer. It is helpful in explaining the concept but how do we (Wakespeed?) determine the needs of the vessel? As I understood Al’s brief introduction to whitespace during your training session, the WS500 gets programmed to allow specific charge rates at various rpm.