User talk:Nebulous2357

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An automated process has detected that when you recently edited Path 27, you added links pointing to the disambiguation pages MW and KV.

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Please do not introduce links in actual articles to user pages or sandboxes, as you did at Path 27. Since these pages have not been accepted as articles, user pages, sandboxes and drafts are not suitable for linking in articles. and such links are contrary to the Manual of Style. These links have been deleted, please do not re-add any such links, thank you - Arjayay (talk) 08:58, 20 April 2023 (UTC)

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Hi, although DPL Bot is quick to tell you you've made a wikilink to a dab page, it doesn't tell you the best fix, which is: At the top right of this page, click on Preferences → Gadgets, and under Appearances, enable/check "Display links to disambiguation pages in orange." It does exactly that, when you press the Preview button. It's often an eye-opener to see that what you thought was unique may be quite common. I almost always navigate to the correct page, copy the article title, and paste it between the square brackets. Best wishes, MinorProphet (talk) 06:30, 22 July 2023 (UTC)

Path 27
Hi Nebulous2357, I'm contacting you here at your request. There's a lot to discuss about the Path 27 article and I would welcome dialog by email; if that's OK with you I'll provide my email address.

Where I have concerns with details and phrasing in the article as it stands, please know that my goal is in keeping the article accurate and consistent with prevailing style on Wikipedia. I respect the effort you made and it is good to see the enthusiasm you have for the topic.

To start: I believe your calculation of 4800A is incorrect. When operating in bipolar mode at 2400MW, the potential difference between the two conductors is 1000kV which corresponds with a current of 2400A.

For an example of correct relationship of current/voltage/power in a bipolar HVDC line, see https://en.wikipedia.org/wiki/Pacific_DC_Intertie#History which says "...maximum current of 1,800 amperes, for a transmission rating of 1,440 MW with a symmetrical voltage of 400 kV with respect to earth." 800kV * 1800A = 1440MW.

I also suggest that the calculated max current need not appear in as many places in the Path 27 article as it does. And where it appears in the Infobox under Technical Information, it deserves its own section rather than being included under Power rating, as current is not power.

best regards, Tom239 (talk) 17:24, 22 July 2023 (UTC)


 * Welcome, Tom239!
 * To start, I'm not an electrical engineer. Regardless, I’ve admired HVDC as one of the most intriguing feats of engineering and technology about.
 * I merely have a basic understanding about electricity and its properties: wattage is the amount of power; voltage describes the force that pushes the power in a circuit; and amperage is the strength of the flow of electricity along a conductive pathway. Simplistically speaking, a current is proportional to power, and is not power itself, so you are correct.
 * I obviously have much to learn about power and amperage ratings for a bipolar system. I only gleaned the information about Path 27’s ratings from a table on a provided bibliographic source. However, I’m concerned that providing the complexity of current/voltage/power on the article itself might be too technical and confusing for readers, as well as distracting because the subject is the power line itself. Yet with additional citations, it could work better on a footnote. In the link you gave me, the article’s poor writing also added to the obscurity of the matter.
 * The Infobox wasn’t created from thin air; instead, I used this template as seen on the Nelson River DC Transmission System article. You are free to edit this template in the manner you see fit. The explanatory note on the max. current doesn’t have to be on the Infobox per your advice, but it should for now stay as is on the article body, just in case readers need to know how amperage can be calculated.
 * Ta-ta! Nebulous2357 (talk) 05:41, 23 July 2023 (UTC)
 * Another point: "Both conductors for the entire length are three cables bundled together; this is done to reduce the effects of EM interference and enhance conductance."  There is no reference given for this claim; why do you think bundle conductors improve conductance on a DC line? Tom239 (talk) 20:53, 23 July 2023 (UTC)
 * I guess that "Conductance" might have been a poor word choice. It is a measurement of the "ease with which an electric current passes" on a conductor, symbolized by the capital letter G. Of course, that term has mostly been applied to alternating current, rather than direct current. All I’ve been trying to emphasize is that bundle conductors give electricity a greater medium to flow more effectively, notwithstanding the type of current. "Conductivity" may have been a better term, but you can help me decide a more proper parlance to use here.
 * Anything else? Nebulous2357 (talk) 06:36, 25 July 2023 (UTC)

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