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Muhendis

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Everything posted by Muhendis

  1. Wow. That sounds so impressive people reading it might actually believe it. I am intimately familiar with the truth of rice failures this year in Thailand. I strongly suspect the original information was fed to the FAS by TAT using their trusty tourist calculator or perhaps they lent it to the department of rice production
  2. There are quite a few companies making RCBO's. Whichever one is fitted please remember to test it regularly. I cannot recommend Safe T Cut because I had one in my CU and, unknown to me at the time, it failed. Not a shocking problem fortunately but one which went undetected for I don't know how long.
  3. I did not interpret anything. I quote exactly what was written in the letter. "The British Embassy would be most grateful if you would kindly stamp (name's) replacement passport with a replacement visa". Make of that what you will but I will be going to immigration on Monday and will let this thread know what was said/done. Watch this space.
  4. I have just received my new UK passport together with a letter from the UK embassy requesting that Thai immigration place a replacement visa in the new passport. That is what immigration will do There can be no argument about that. Where there is a difference of opinion is regarding Thai immigration charging 500 Baht for the service. That is wrong. The replacement visa is free however some local immigration offices like to make an off-the-record charge for it.
  5. There is absolutely no link between this and the investigations into EU corruption....
  6. I would have thought none of this matters too much so long as your wife actually lives with you and witnesses can support that. With regards to wokery comments better not start singing "Here we go gathering nuts in May".
  7. At a guess I would suggest that input wires were connected to output wires and the short circuit current would have been enough to heat up a few poorly made internal connections between cells. Probably would not have happened if panels were t'other way up. Mind you if there was a poor internal connection it would have shown up sooner or later anyway. I wonder how the explanation went to the insurance company.
  8. Thai villagers believe that, after they die, they will be bourn again as an animal. I wonder who the pig used to be ????
  9. 500 Bht in Buriram too
  10. Look for the "knowledgable" supplier of the answers to the exam questions. He is probably at the top. It's an internal job.
  11. If you are hospitalised in a government hospital for any reason, it would be less costly by something like 10 - 20% if your wife stayed with you sharing your room.
  12. Yes it is. I wonder what they'll be like after their 50th birthday
  13. If the inverter has batteries then it will still be running without solar input. The grid is not connected in these circumstances so disconnecting the CT should not be noticed by the inverter. But that would depend on whether or not the CT is monitored for any reason.
  14. So making physical changes requires a complete reboot. Sounds pretty normal to me otherwise how can the software know if something has been deliberately changed or if there is a malfunction for example?
  15. It is indeed the most secure way to protect your bank account, but you can still get conned in other ways (cheap rubbish instead of ordered item when package opened).
  16. Ah yes. You're right, but on the other hand it doesn't indicate they don't own it either.
  17. He and his wife have 30 Rai of land so there are plenty of financials as land is worth upwards of 200k Baht/Rai. His wife could sell the land and join him later.
  18. Was the water tank grounded? I would guess probably not. If not then there would be no leakage to earth but the bore hole is most certainly grounded so any leakage would trip the RCBO. I don't suppose any of the installers checked to see if the water in the test tank was live As already said. The proper test is an insulation test with a megger.
  19. It is also worth mentioning that the 20% to 80% charge range is a reduction in the battery effective capacity so if you're going to reduce the charge/discharge levels you will need to increase the quantity of cells to maintain the overall capacity. For example: 100Ahr battery @ 20 - 80% = 60Ahr usable capacity 167Ahr battery @ 20 - 80% = 100.2Ahr usable capacity So if it is calculated that 100Ahr battery is required for an installation then the actual size to fit would be 167Ahr at 20 - 80%
  20. LiFePO4's are reasonably happy at 30ºC. They will loose capacity a bit quicker above 35ºC but, unlike lead acid temperature is not so much of a big deal for them. Fears of the fire/bomb risk: Lithium ion batteries will go into thermal runaway at, if I remember rightly, 356ºC whereas LiFePO4's are good for 460ºC until runaway starts. These are internal temperatures. A good BMS will ensure this can never be due to over charging or discharging too fast. Keeping them away from a heat source is also a good idea.
  21. Yup. And in addition to that LiFePO4's are quite content to be part charged on cloudy days whereas lead acid will suffer from sulfation which will accumulate over time and kill the battery sooner rather than later. Also best working temperature of lead acid is 25ºC whereas LiFePO4 is 30ºC which is normal for Thailand.
  22. So sad that any one should die like that. It takes the edge off seeing the correct name used for the machine.
  23. Yes that is true. I like to disappear down to the other end of my farm where I can enjoy the cool of my mini forest.
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