Talk:Będzin Power Station

OK, so how big is it, really?

I found and added some references regarding capacity of this plant, but nothing that is close to the 3 x 359 and 2 x 112 shown in the infobox.--Graham Proud (talk) 05:35, 26 February 2014 (UTC)

@Gproud: I took those numbers from pl wiki pl:Elektrociepłownia Będzin, see "Dane techniczne" section. That part is based on and "2 kotły energetyczne OP-140 o mocy osiągalnej 112,6 MW każdy" (2 energy boilers QP-140 with max power of 112,6 MW each) and "Kotły ciepłownicze: WP-70 i 2 x WP-120 o mocy cieplnej znamionowej 359,4 MW" (thermal boilers: WP-70 and 2 x WP-120 of nominal thermal power 359,4 MW." Unfortunately I am a total amateur when it comes to power plant engineering, so I may not be significantly better at translating and understanding those terms compared to Google Translate. The pl wiki article seems to split the MW power into electrical and heat/thermal, as well as nominal and max, to much of my confusion. --_{Piotr Konieczny aka Prokonsul Piotrus| reply here} 07:22, 26 February 2014 (UTC)

Hi...I am a power station engineer with decades of experience, so I would like to help. Could I suggest that while the 2 OP-140 boilers are 112 EACH, the heating boilers (WP-70 and 2 x WP-120) are 359 TOTAL. Using a wiki in one language doesn't really count as a "reference" for a wiki in another language, does it? Fortunately, the company has an English-language page on their generating facilities, and it's clear from there that the rated power of heating boilers is 359,4 MW TOTAL. The bottom line is that with cogen plant, not all the thermal power is converted to electricity. Typical efficiency for thermal generating plant is say 33%, so 100 MW thermal produces 33 MW electrical. It looks to me like the electricity-generation side of this plant is around 35%...(78/225=0.346) On the other hand, it looks like the heating boilers do not send their steam to any steam turbine driving a generator, so quoting a conversion efficiency is not relevant.--Graham Proud (talk) 09:35, 26 February 2014 (UTC)

Looking at the generation and sale data, it looks like the generator runs at about 50% Capacity factor. (8760 hours in a year, multiplied by 78 MW is 683,280 MWh. In 2013 electricity sold was 351109 MWh, around half of that. Considering sales of heat energy, a Gigajoule is a Gigawatt-second. Putting that another way, one MWh is 3600 MJ. So if the heating side of the plant produces 359 MW all year, that would be 359 x 8760 MWh. 11,321,424 GJ is the total possible energy sales from 359 MW of heat. Heat sales for 2013 (hot water plus steam) totalled 2,232,704 GJ - so the plant is definitely not running flat out. More evidence that it is 359 MW total, not 3 x 359. I hope this helps.--Graham Proud (talk) 10:00, 26 February 2014 (UTC)

@Gproud: It's always a pleasure to work with an expert. May I suggest that you do any tweaks to this page that you think are required? I can help with translation of any Polish text if necessary. --_{Piotr Konieczny aka Prokonsul Piotrus| reply here} 10:32, 26 February 2014 (UTC)

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