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Post by Deleted on Feb 19, 2019 20:53:45 GMT
This seems to be a 230v mains electric issue. Maybe the travelpower is not switched on and the domestic alternator is attempting to supply 2kw to the washing machine heater element via the inverter resulting in belt failure. Turn the inverter off and see if there is still mains power ? Travel power should be a totally seperate system. @donkey do you get mains electric with the inverter switched off? Is there some sort of selector switch which gives you "shore,travel power, inverter" or similar? Yes switched to travelpower for washing machine - not rocket science to understand why. Inverter has to be turned off during travelpower operation.
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Post by Deleted on Feb 19, 2019 20:54:07 GMT
I ask only for sizing a VSR, I think you’d benefit from one as a means of redundancy! is it the Travelpower belt that’s gone then? 240v generated by the travelpower shouldn’t cause the domestic batteries be depleted loading up the domestic alternator. No it is the domestic alternator belt that has gone. Travelpower still good. What is a VSR?
Odd that it dies when the travelpower should be on, do you have a manual changeover switch to choose between inverter or travelpower? A VSR stops you having to twat about with a jump lead when an alternator dies - they are bi directional so when both are working it will sort itself out, multiple charging sources are handled by the VSR. www.victronenergy.com/battery-isolators-and-combiners/cyrix-battery-combinersYou need a 230a one as your inverter could pull 160a odd, along with I think your alternator is 140a+? A Cyrix can therefore be safely connected between batteries of up to 5 times the current rating of the Cyrix. A 200A Cyrix for example, can handle a battery capacity of up to 1000Ah. The current rating of a Cyrix should however never be lower than the maximum continuous current that can be expected to flow from one battery to the other. Examples: - In case of a starter battery charged by a 200A alternator and a house battery connected to a 100A charger, the house battery should be connected to the starter battery with a 200A Cyrix - If the house battery is connected to a set of chargers with a total rated current of 300A, the rating of the Cyrix should be at least 300A. - If the 200A alternator and a 100A charger are connected to the same battery, again a Cyrix rated at least at 300A should be installed. Finally, it is advisable to place the Cyrix closest to the smallest battery. (Which in general is the starter battery) This is to minimize the influence of voltage drop along the cabling.
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Post by Deleted on Feb 19, 2019 20:58:50 GMT
This seems to be a 230v mains electric issue. Maybe the travelpower is not switched on and the domestic alternator is attempting to supply 2kw to the washing machine heater element via the inverter resulting in belt failure. Turn the inverter off and see if there is still mains power ? Travel power should be a totally seperate system. @donkey do you get mains electric with the inverter switched off? Is there some sort of selector switch which gives you "shore,travel power, inverter" or similar? Yes switched to travelpower for washing machine - not rocket science to understand why. Inverter has to be turned off during travelpower operation.
And the domestic alternator belt is failing when washing machine is running.
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Post by Deleted on Feb 19, 2019 21:01:34 GMT
No it is the domestic alternator belt that has gone. Travelpower still good. What is a VSR?
, do you have a manual changeover switch to choose between inverter or travelpower? Yes. Although my belief is that the coincidence of running the washing machine is a red herring, did run charging off the travelpower a few days ago and all was well (turned freezer on and travelpower seems to cope better with large loads)
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Post by Deleted on Feb 19, 2019 21:02:47 GMT
What is needed is new belt on the alternator and a infra red thermometer. Run up the washing machine and shine the thermometer on each alternator in turn to see which one is getting hot
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Post by Deleted on Feb 19, 2019 21:02:57 GMT
Yes switched to travelpower for washing machine - not rocket science to understand why. Inverter has to be turned off during travelpower operation.
And the domestic alternator belt is failing when washing machine is running. I think it's a coincidence
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Post by Deleted on Feb 19, 2019 21:03:30 GMT
Yes switched to travelpower for washing machine - not rocket science to understand why. Inverter has to be turned off during travelpower operation.
And the domestic alternator belt is failing when washing machine is running. @donkey. i think MM is on to something - rather than solely relying on the changeover switch, try switching the inverter off completely - it must have its own on/off switch, see if you have 240v then. I’m wondering if there is something weird/wrong with both the travelpower and the changeover switch?
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Post by Deleted on Feb 19, 2019 21:06:41 GMT
Coincidence seems a bit odd. A washing machine draws silly power so could easily expose a problem in an electrical system on a boat. Or it could be random but if both times the belt failed was when washing machine was on it seems related. Or do you do several washes a day
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Post by Deleted on Feb 19, 2019 21:09:38 GMT
And the domestic alternator belt is failing when washing machine is running. @donkey . i think MM is on to something - rather than solely relying on the changeover switch, try switching the inverter off completely - it must have its own on/off switch, see if you have 240v then. I’m wondering if there is something weird/wrong with both the travelpower and the changeover switch? If running of travelpower I always switch off the inverter at its switch otherwise it starts buzzing. I really do think it's an alignment issue but happy to rule out all other possibilities.
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Post by Deleted on Feb 19, 2019 21:15:23 GMT
What brand of inverter is it which you switch off ?
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Post by Deleted on Feb 19, 2019 21:17:17 GMT
Let me look at it another way.
Prior to the new alternator being fitted no belts shredded themselves even though I have used the same way to run things. Must be alignment to me - anyone care to disagree?
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Post by Deleted on Feb 19, 2019 21:18:04 GMT
@donkey . i think MM is on to something - rather than solely relying on the changeover switch, try switching the inverter off completely - it must have its own on/off switch, see if you have 240v then. I’m wondering if there is something weird/wrong with both the travelpower and the changeover switch? If running of travelpower I always switch off the inverter at its switch otherwise it starts buzzing. I really do think it's an alignment issue but happy to rule out all other possibilities. That sorts that - you’d already ruled it out👍👌 one thing that comes to mind - does the load the travelpower puts on the engine somehow twist the bracket for the second alternator? To check the pulley alignment you need to run a straight edge off the crankshaft pulley to the alternator pulley - it should be within a gnats knacker parallel
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Post by Deleted on Feb 19, 2019 21:18:44 GMT
What brand of inverter is it which you switch off ? Sterling
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Post by Deleted on Feb 19, 2019 21:18:45 GMT
Let me look at it another way.
Prior to the new alternator being fitted no belts shredded themselves even though I have used the same way to run things. Must be alignment to me - anyone care to disagree?
Not me ✊👍🍻👌
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Post by Deleted on Feb 19, 2019 21:20:32 GMT
alignment is what i always thought until the washing machine came into it. I thought you had experienced a belt failure prior to the new alternator. Too confusing.
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