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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#41
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On Sun, 21 Jan 2018 19:17:23 -0000, James Wilkinson Sword wrote:
What, even when Toothless Dave brings down the overhead line to my house with the combine? One assumes the DNO will come along and repair the line. Which will need that section to be isolated and thus will be recorded. The auto-recloser feeding that section will also have phoned home to say it's tripped or (hopefully) locked out. If it takes out more than one house perhaps. Unlikely that an auto-recloser will only be feeding one house unless that house is the only place supplied on the end of a long line, think miles. Auto-reclosers tend to be near the primary substation that is feeding the 11 kV distribution lines for an area. Those lines can be tens of miles long and made of multiple sections with interconnects between different lines. Some interconnects may have an auto-recloser but most are just an manual air switch. Not sure how they "phone home" but as they are all connected back to the primary substation the obvious way to achieve the first hop is over the power lines. -- Cheers Dave. |
#42
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In message l.net,
Dave Liquorice writes On Sun, 21 Jan 2018 19:17:23 -0000, James Wilkinson Sword wrote: What, even when Toothless Dave brings down the overhead line to my house with the combine? One assumes the DNO will come along and repair the line. Which will need that section to be isolated and thus will be recorded. The auto-recloser feeding that section will also have phoned home to say it's tripped or (hopefully) locked out. If it takes out more than one house perhaps. Unlikely that an auto-recloser will only be feeding one house unless that house is the only place supplied on the end of a long line, think miles. Auto-reclosers tend to be near the primary substation that is feeding the 11 kV distribution lines for an area. Those lines can be tens of miles long and made of multiple sections with interconnects between different lines. Some interconnects may have an auto-recloser but most are just an manual air switch. Not sure how they "phone home" but as they are all connected back to the primary substation the obvious way to achieve the first hop is over the power lines. The 11kV overhead here has a breaker at least 1 mile from the nearest substation although there is a spur feeding this end of the village and a transformer feeding two isolated houses. I don't know how it operates but the maintenance crew always complain about poor telephone signals. -- Tim Lamb |
#43
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On Mon, 22 Jan 2018 09:07:10 +0000, Tim Lamb wrote:
The 11kV overhead here has a breaker at least 1 mile from the nearest substation ... That's within the range of "close". B-) ... although there is a spur feeding this end of the village and a transformer feeding two isolated houses. I don't know how it operates but the maintenance crew always complain about poor telephone signals. An auto-recloser is a box up a pole withe the three phases looping through it. An air switch is an open frame work with the three phases passing through it (or not if it's left normally open...) this has a bar running down the pole to a locked lever handle to open/close it. The crews complain of poor mobile signals as they have to get clearance from the DNOs control rrom before they start flicking switches on/off. Only the control room has a complete picture of which switches are open or closed or which sections have faults or which sections are under maintenance. -- Cheers Dave. |
#44
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In message l.net,
Dave Liquorice writes On Mon, 22 Jan 2018 09:07:10 +0000, Tim Lamb wrote: The 11kV overhead here has a breaker at least 1 mile from the nearest substation ... That's within the range of "close". B-) ... although there is a spur feeding this end of the village and a transformer feeding two isolated houses. I don't know how it operates but the maintenance crew always complain about poor telephone signals. An auto-recloser is a box up a pole withe the three phases looping through it. An air switch is an open frame work with the three phases passing through it (or not if it's left normally open...) this has a bar running down the pole to a locked lever handle to open/close it. Auto-recloser then. Family history has it that one of father's cows got its head jammed in the pylon (welded gantry and air switch) next to what used to be a substation and caused some interesting pyrotechnics. A protective fence was hurriedly erected. The crews complain of poor mobile signals as they have to get clearance from the DNOs control rrom before they start flicking switches on/off. Only the control room has a complete picture of which switches are open or closed or which sections have faults or which sections are under maintenance. Not using Vodafone then:-) -- Tim Lamb |
#45
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On 21/01/2018 22:20, Tim Watts wrote:
On 21/01/18 15:21, Dave Liquorice wrote: On Sun, 21 Jan 2018 13:18:37 +0000 (GMT), charles wrote: Nothing prevents you from printing out your on-line statement. Apart from the faff and if push came to shove it could be argued that the dowloaded electronic document and any print of it has been altered. A document printed on paper, with inks and machine I don't have and matches those used by the company blows that out of the water. There can also be problems with using a self printed utility bill for ID verification, not everyone has photo ID. I've never had anyone complain when I've supplied home printed material like that for ID purposes - I think it's just considered the norm now. It is no use to me for ID whenever I change to a new client. The industry I am in only accepts original paper bills when carrying out security checks. SteveW |
#46
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In article ,
Steve Walker wrote: On 21/01/2018 22:20, Tim Watts wrote: On 21/01/18 15:21, Dave Liquorice wrote: On Sun, 21 Jan 2018 13:18:37 +0000 (GMT), charles wrote: Nothing prevents you from printing out your on-line statement. Apart from the faff and if push came to shove it could be argued that the dowloaded electronic document and any print of it has been altered. A document printed on paper, with inks and machine I don't have and matches those used by the company blows that out of the water. There can also be problems with using a self printed utility bill for ID verification, not everyone has photo ID. I've never had anyone complain when I've supplied home printed material like that for ID purposes - I think it's just considered the norm now. It is no use to me for ID whenever I change to a new client. The industry I am in only accepts original paper bills when carrying out security checks. How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. I agree that using an ink jet is a dead give away. -- from KT24 in Surrey, England |
#47
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charles wrote:
How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. I agree that using an ink jet is a dead give away. Yes, only banks stoop that low ... |
#48
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On 22/01/2018 17:23, charles wrote:
How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. I agree that using an ink jet is a dead give away. With most printers it is possible to identify which printer it was printed on including personal ones. I doubt if they perform the necessary checks or even know you can do it. |
#49
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dennis@home wrote:
charles wrote: How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. With most printers it is possible to identify which printer it was printed on including personal ones. I doubt if they perform the necessary checks or even know you can do it Even if they do, how are they expected to know that CheapBlueSparks Ltd uses a printer with a specific serial number? |
#50
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On 22 Jan 2018 19:40:32 GMT, Huge wrote:
How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. I agree that using an ink jet is a dead give away. Yes, only banks stoop that low ... You don't imagine that banks print their own statements, do you???? It's all subcontracted out. And I don't think they use laser printers, far too slow, with all that fusing nonsense. Certainly my Barclays statement is decidedly fuzzy, dotty and grey, rather than the pin sharp black you get from a laser. Lets do some scaling maths again. Say 5 million, 4 page both sides printed, statements per month. That's 40,000,000 sides/month, 30 day month, means 1,333,333 sides/day or 15.43 sides/second, Second not minute... -- Cheers Dave. |
#51
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On 23/01/2018 00:44, Dave Liquorice wrote:
On 22 Jan 2018 19:40:32 GMT, Huge wrote: How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. I agree that using an ink jet is a dead give away. Yes, only banks stoop that low ... You don't imagine that banks print their own statements, do you???? It's all subcontracted out. And I don't think they use laser printers, far too slow, with all that fusing nonsense. Certainly my Barclays statement is decidedly fuzzy, dotty and grey, rather than the pin sharp black you get from a laser. Lets do some scaling maths again. Say 5 million, 4 page both sides printed, statements per month. That's 40,000,000 sides/month, 30 day month, means 1,333,333 sides/day or 15.43 sides/second, Second not minute... One magnetic drum printer could manage that, but you need about four men to operate it, loading and unloading paper. Newspapers print near that speed and you can print variable content on some of them even if most content is fixed plates. They use rolls weighing more tha a ton and are a lot bigger and more expensive. Of course no bank is likely to have only one printer and they may well outsource it to one or more print firms with lots of printers. |
#52
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On 23/01/2018 00:44, Dave Liquorice wrote:
On 22 Jan 2018 19:40:32 GMT, Huge wrote: How does your industry tell the difference between a bill printed by the supply company on their laser printer and on printed on the customers' laser printer. I agree that using an ink jet is a dead give away. Yes, only banks stoop that low ... You don't imagine that banks print their own statements, do you???? It's all subcontracted out. And I don't think they use laser printers, far too slow, with all that fusing nonsense. Certainly my Barclays statement is decidedly fuzzy, dotty and grey, rather than the pin sharp black you get from a laser. Lets do some scaling maths again. Say 5 million, 4 page both sides printed, statements per month. That's 40,000,000 sides/month, 30 day month, means 1,333,333 sides/day or 15.43 sides/second, Second not minute... It wouldn't take many of these https://www.youtube.com/watch?time_c...&v=wzj5n4MyUxk ITIU OCR to check its doing the right thing too. |
#53
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On Tue, 23 Jan 2018 20:45:38 +0000, dennis@home wrote:
Lets do some scaling maths again. Say 5 million, 4 page both sides printed, statements per month. That's 40,000,000 sides/month, 30 day month, means 1,333,333 sides/day or 15.43 sides/second, Second not minute... It wouldn't take many of these https://www.youtube.com/watch?time_c...&v=wzj5n4MyUxk A slightly less tedious video, with some facts: https://www.youtube.com/watch?v=jmJVt2Flu7c 500 feet per minute, two up, in "productivity mode" 1000 sides/minute 16.6/sec. That's the sort of thing, followed by the automatic stuffer and sealer... B-) You'd need two for the example above as that requires 15.43 sides/sec 24/7, no servicing breaks or breakdowns of any sort. -- Cheers Dave. |
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