智能恒溫器無意中使電網(wǎng)緊張
指南者留學(xué)
2022-07-22 15:19:39
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<div class="image-uploaded gallery old-record-id-doxcneYoAEcMwCiSqaGgm5CyRUe" style="text-align: justify;" data-type="image" data-ace-gallery-json="{"items":[{"uuid":"cfcac71e-f837-4e0b-b0d8-f94d5a59a936","height":641,"width":1140,"currHeight":641,"currWidth":1140,"natrualHeight":641,"natrualWidth":1140,"pluginName":"imageUpload","scale":1,"src":"https%3A%2F%2Finternal-api-drive-stream.feishu.cn%2Fspace%2Fapi%2Fbox%2Fstream%2Fdownload%2Fall%2Fboxcn0XngldGxCPMdoe2yvIngyu%2F%3Fmount_node_token%3DdoxcneYoAEcMwCiSqaGgm5CyRUe%26mount_point%3Ddocx_image","file_token":"boxcn0XngldGxCPMdoe2yvIngyu","image_type":"image/png","size":856866,"comments":[]}]}"><span class="p"><img src="https://info.compassedu.hk/sucai/content/1658474474801/1658474474801.png" width="808" height="454" /></span></div>
<div class="ace-line ace-line old-record-id-doxcnUqg6Ce06uUOW4sBJrBU0De" style="text-align: justify;"><span class="p">與Max Zhang一起進(jìn)行研究的工程學(xué)博士生Alfredo Rodriguez調(diào)整了一個(gè)智能恒溫器。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnsqyOyS8CAEkKmY4bvCsqoe" style="text-align: justify;"><span class="p">智能恒溫器 - 那些不起眼的墻壁設(shè)備,幫助房主控制用電量并節(jié)省能源 - 可能會(huì)落入一個(gè)愚蠢的陷阱。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnoQkuYEaMceyOy2zJqx2dpe" style="text-align: justify;"><span class="p">默認(rèn)情況下,智能恒溫器設(shè)置為在黎明前打開,無意中與社區(qū)和地區(qū)的其他恒溫器協(xié)同工作,以促使電網(wǎng)上無意中出現(xiàn)廣泛的能源需求峰值。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnoQM2WWEC0IyEIfK36lqzIc" style="text-align: justify;"><span class="p">康奈爾大學(xué)的工程師們?cè)诩磳l(fā)表在《應(yīng)用能源》(2022年9月)上的一篇論文中說,智能恒溫器正在為房主節(jié)省資金,但它們也在一天中的糟糕時(shí)刻啟動(dòng)了整個(gè)網(wǎng)絡(luò)的峰值需求。</span></div>
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<div class="ace-line ace-line old-record-id-doxcn2KoSsSkeoac2cvJRZSUuic" style="text-align: justify;"><span class="p">“許多家庭的智能恒溫器在冬季的晚上會(huì)降低溫度,”康奈爾大學(xué)西布利機(jī)械與航空航天工程學(xué)院教授馬克斯·張(Max Zhang)和康奈爾大學(xué)阿特金森可持續(xù)發(fā)展中心(Cornell Atkinson Center for Sustainability)的凱西·德懷爾·大理石(Kathy Dwyer Marble)和柯特大理石學(xué)院院長(zhǎng)馬克斯·張(Max Zhang)說。“可以在你醒來之前對(duì)溫度進(jìn)行編程,以上升 - 你會(huì)有一個(gè)溫暖的房子。這是明智之舉。但是,如果每個(gè)人都保持默認(rèn)設(shè)置,比如早上6點(diǎn),電網(wǎng)就會(huì)遭受同步的需求高峰,這對(duì)系統(tǒng)來說并不明智。這就是挑戰(zhàn)。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnUwkmswAIAYcCObqV2GRNpb" style="text-align: justify;"><span class="p">“隨著我們使供暖部門電氣化以使電網(wǎng)脫碳,”他說,“這種所謂的負(fù)載同步將在不久的將來成為一個(gè)問題。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnSUCo6k8EAiOge63hPNNI8c" style="text-align: justify;"><span class="p">Zachary E. Lee博士'22是論文“智能恒溫器在向電氣化供暖過渡中的意外后果”的合著者。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnwYMSmQSAS6osS6c5JmyN4b" style="text-align: justify;"><span class="p">根據(jù)該論文,到2021年,大約40%的美國家庭擁有智能恒溫器,因?yàn)楣檬聵I(yè)公司鼓勵(lì)采用智能恒溫器。Lee和Zhang檢查了紐約州2,200多個(gè)家庭的冬季智能恒溫器數(shù)據(jù),這些家庭以其寒冷的冬季氣候以及城市,郊區(qū)和農(nóng)村社區(qū)的混合而聞名。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnI2qokQQ4iwIMQjXpJNSfNc" style="text-align: justify;"><span class="p">購買智能恒溫器的房主可以選擇與電力公司匿名共享他們的數(shù)據(jù)以進(jìn)行研究。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnasgS4OmyGEA28N8JjrvTne" style="text-align: justify;"><span class="p">Lee和Zhang調(diào)查了“設(shè)定值行為”,并了解到大多數(shù)房主使用智能恒溫器的出廠默認(rèn)設(shè)置。作者說,有證據(jù)表明,居民仍然對(duì)如何操作恒溫器感到困惑,并且經(jīng)常無法對(duì)其進(jìn)行編程。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnYcqKMikqMUsKYdvsI4eBgh" style="text-align: justify;"><span class="p">事實(shí)上,他們的數(shù)據(jù)表明,房主實(shí)現(xiàn)的節(jié)能效果僅為5%至8%,遠(yuǎn)低于設(shè)備25%至30%的潛力。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnKucaGyEMqWcuIFLe3oI2be" style="text-align: justify;"><span class="p">如果數(shù)百個(gè)家庭的智能恒溫器設(shè)置為在早上6點(diǎn)打開,那么電網(wǎng)將在早上6點(diǎn)達(dá)到峰值,這是紐約州冬季白天前約一個(gè)小時(shí)。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnMcwYOUCU2E0Emq1s0eESXb" style="text-align: justify;"><span class="p">雖然設(shè)定點(diǎn)時(shí)間表旨在實(shí)現(xiàn)節(jié)能效益,但峰值需求主要集中在可再生能源不可用時(shí) - 根據(jù)該論文,峰值需求增加了近50%。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnmW0GgAQaEOIC6Acucay6Nf" style="text-align: justify;"><span class="p">“智能恒溫器數(shù)據(jù)顯示,每日高峰供暖需求的頻率增加,”Lee說,“以及整體峰值需求幅度的增加。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnEy4UcEsacOW6kCP5H40xub" style="text-align: justify;"><span class="p">如果沒有一種可行的方法來存儲(chǔ)太陽能等可再生能源的能量,電力公司將無法滿足這一峰值需求,這促使化石燃料發(fā)電機(jī)滿足電力負(fù)荷。“這可以抵消電氣化的溫室氣體排放效益,”李說。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnYo84kkQI6600UB9sWKpBZb" style="text-align: justify;"><span class="p">Zhang指出了解決電網(wǎng)上日益增長(zhǎng)的壓力的方法,例如教育消費(fèi)者如何使用智能恒溫器,以及錯(cuò)開早上的啟動(dòng)時(shí)間。“由于房主涉及的安全和隱私問題,問題并不簡(jiǎn)單,”張說。“然而,最終,我們必須使智能恒溫器更加智能。</span></div>
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<div class="ace-line ace-line old-record-id-doxcniQ8yYywy2SYQcRT58PlA7e" style="text-align: justify;"><span class="p">美國國家科學(xué)基金會(huì)資助了這項(xiàng)工作。</span></div>
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