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<div class="content fl mt10 mb10"> <div class="w660 fl mr10" id="w600"> <div class="zixun-detail mb10"> <div class="article">吉林白城风机“转不动” 三大阻力阻碍风电发展<br> <../div> <div style="text-align:center; line-height:24px; padding-bottom:10px;">http:../../www.chinafengji.net <span style="margin:0 15px;">2013-09-04 09:25:02<../span> <span class="red">科技日报<../span><../div> <div class="lh24"><p> 　　在吉林省白城市的华能洮北风电场，天很蓝，风很大，成片矗立着的巨大风车，有的在匀速转动，有的却静立不动。相隔不远的大唐向阳风电场也是如此……<../p> <p> 　　这是为何?风况难得的好，很多风机却“停工”，是坏了吗?记者采访得知，很多风电场是不得已关了风机，因为电发多了也卖不出去。<../p> <p> 　　日前，记者跟随“中华环保世纪行”采访团来到吉林。吉林省能源局副局长郑建林说，吉林电力市场供大于求，进入“十二五”，风电弃风问题更加严重，2012年弃风率高达31.2%。<../p> <p> <strong>　　弃风限电，只为火电“让路”<../strong><../p> <p> 　　为何会出现如此严重的弃风限电现象?郑建林说，这是由于吉林电力市场供大于求的局面没有根本改变，电源结构不合理，火电的热电联产机组比例过大，随着新增风电和火电并网装机规模不断扩大，吉林作为经济欠发达地区，全社会用电量增长缓慢，加剧了风电弃风限电的情况。<../p> <p> 　　国能公主岭生物发电有限公司副总经理杜江告诉记者，今年吉林省发电装机容量2200万千瓦，而全省用电负荷仅550―700万千瓦。电是即发即用，无法储存的，因此，国能公主岭生物发电公司长期被限发，甚至只能发电50%。截至7月底，发电量受调度限负荷影响1239.8万千瓦时，造成企业今年1―7月份运营状况欠佳。<../p> <p> 　　洮北风电场是我国第一个一次性投产5万千瓦级的风力发电场，经测算，其盈亏平衡点在年风电场可利用1560小时左右。华能洮北风电场总工程师张维龙说，2012年风电场可利用小时下降到1420小时，即使今年上半年，在风况同比有明显提高的情况下，风电平均利用小时数也只有 837小时，仍然处在全国最低水平。此外，今年1―7月，限电率达35%，企业减少利润3959万元。<../p> <p> 　　不过，对吉林的可再生能源企业来说，一年最难熬的日子是在冬季供暖季。郑建林说，与非供暖季相比，供暖季时间段弃风电量大，弃风比例高，一般在30%―50%。“主要原因是冬季热电联产机组保热运行，挤压风电并网空间。”<../p> <p> 　　其实，吉林并非是一个煤炭大省，全省煤炭储量26.24亿吨，仅占全国总量的0.3%，2012年消耗1.02亿吨标煤，在一次能源消费中所占比重超过70%，自给率不足43%。<../p> <p> 　　吉林省能源局新能源处孙锐说，北方社区冬季供暖基本靠热电联产，即用火电厂发电时产生的蒸汽为用户供热。<../p> <p> 　　“十一五”期间，吉林各地上了很多热电联产的火电机组，冬季为保证供暖需求，火电厂优先发电，进而挤压了风电发电份额。此外，吉林各地都有自己的规划，风电等可再生能源也快速增长。<../p> <div class="mt30" style="text-align:right;"><a href="javascript:window.print();">【打印】<../a> <a href="javascript:window.close();" class="mr10 ml10">【关闭】<../a><../div> <../div> <div class="keyword">文章关键字： <a href="....../news../tag--1.html" target="_blank"><../a><../div> <../div> <div class="w325 fl mr10"> <div class="border-g"> <div class="title"> <div class="title2"><span class="fr"><a 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