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Everything posted by Muhendis
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My fix from a couple of comments ago, assumed that the installation had been successfully done. There is some gunge available which is applied to cables as they are pulled through conduit etc. which reduces friction and minimizes damage to cable from heat friction. https://shopee.co.th/product/289493934/10941905043?gclid=CjwKCAjw_uGmBhBREiwAeOfsd5cLxfjLkojwBLeoCoAqnqGZHbTwJqwtKrtnUYyzIwsXLat172_BPxoC2foQAvD_BwE If you can recover the damaged cables there is quite a few £'s worth of copper there. Enough for a good night out. Or did you install aluminium.
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And don't forget the grass which will be very happy with this idea. These are expansion joints. What is the gap you will be making between 8M sections? Further to my earlier comment don't forget the landing lights for your Cessna runway which needs to be at least 10M wide.
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monitoring solar production/potential
Muhendis replied to gamb00ler's topic in Alternative/Renewable Energy Forum
Power is not discarded. Solar panels produce enough power for the loads which are applied to them. There is a maximum limit to this, dictated by the area of the panels, which will not be exceeded. It follows from this that you cannot measure the power from the panels which is not being used. Best for estimation is written on the label stuck on the rear of the panel (PMax). Subtract from this the thermal derating figure according to the panel temperature then subtract a further amount which is 1%/year (some newer panels are better than this) to get the probable potential output. -
There are no disadvantages. There is an advantage in the cross sectional area of flat cables being smaller than round. Also when laying a cable run in trunking with several others, the cables will not twist and tangle so easily.
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I've had a tremendously hard life. Have you any idea how hard it is finding a good butler house keeper these days ..........
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Procedure For Obtaining A Death Certificate
Muhendis replied to shortstop2's topic in General Topics
Neither police nor embassy staff are qualified to judge if you are dead or not. That is the job of your local hospital doctor. -
Solar system with Safe T Cut keeps tripping
Muhendis replied to pedritosan's topic in The Electrical Forum
Yes I know. That's why I used those temperature figures. Onetimewoodworkers figures are for FLA batteries. My lead carbon batteries are in the same temperature range as LiFePO4's. -
Thai Airways welcomes 2 new A350 models for modern travel
Muhendis replied to snoop1130's topic in Thailand News
Nah! A soapy one should sort out all them 'orible little things -
Solar system with Safe T Cut keeps tripping
Muhendis replied to pedritosan's topic in The Electrical Forum
As the man said. Adding strong new batteries to weaker old ones will deplete the new batteries quicker. If you are interested to extend the life of your batteries then keep them in a moderately cool place (25C is perfect but they should be ok at 30C) and arrange for your depth of discharge to be as little as possible. 30% would give an extremely long life but for lithium chemistries, 40 to 50% should give you many years of power. -
Agree with the above comments. Better late than never. So what about Don Mueng and all the others dotted around the country? With the amount of money AOT makes It could easily be done and I would imagine costs would be recovered in the first year especially if, like forum members, they adopt a DIY approach.
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The topic elsewhere of Triumph motor bikes got me thinking about what I did for transport from fifteen onwards. Here's a few of mine up to age 21. First was a bicycle which for me was a Dawes Double Blue. I went all over Bristol UK, my city of origin, on that. It was a very nice road racer. Next came a BSA Tiger Cub. I think it had 125cc of raw two stroke power with jam jar suspension on the back. Didn't keep that long but graduated to a 250cc BSA C15 four stroke which seemed like a rolls after the Cub. Went all over the UK on that. Then along came my one and only BMW which was a not so grand Isetta bubble car. Had lots of student fun with that whilst at the same time tried to get a bond three wheeler working. It had a Villiers engine mounted on the front wheel and started by a lever inside the car which pulled a wire to operate the kickstart. Drove it a few times then striped it down for the scrap aluminium which was about all it was good for. After that came my first proper car. A Triumph Mayflower. It had a 1200cc side valve engine and lasted about three years with me. As a jazz musician it was far better for carrying my trumpet than trying to balance it on the back of my C15. What about you?
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Yeah. I got myself something similar a few years back when I rebuilt my inverter. Very useful after a slight modification for setting up over and under voltage trip points on inverter electronics. I modified mine by adding a variable resistor for output adjustment and to increase the highest voltage a bit.
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Solar system with Safe T Cut keeps tripping
Muhendis replied to pedritosan's topic in The Electrical Forum
I have an inverter fridge which was disabled by them. They found a way into the electronics and onto the main circuit board. There's a high voltage mains area and a low voltage DC area on this board connected by optocouplers ............... and ants. The ants must have been resistive conductors for some time because the heat of them conducting was enough to burn the board between the high voltage AC track and a low voltage DC track. There was a fair bit of charcoal left behind as well as a load of pretty useless electronic components. I called in the fridge repair man who was quite surprised by the amount of damage done. He had seen it before but on a lesser scale. He was also a lecturer at the local tech. college teaching students how to repair domestic appliances and he wanted the dead board as an example to show to his students. My thoughts were "if that's what ants can do, what will happen if the uncles ever get in". -
New government to decide on more cuts in power rates
Muhendis replied to snoop1130's topic in Thailand News
That'l upset RoI time on solar. -
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Tragic Accident: Buffalo Causes Fatal Motorcycle Crash in Rayong
Muhendis replied to webfact's topic in Eastern Thailand News
Oops. Was your car damaged and if so who paid for the repairs?