光伏电子产品的设计与制作-畅读网

　　　　

光伏电子产品的设计与制作

作者：詹新生

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本书采用项目化编写模式，主要内容包括常用电子元器件的识别与检测、电子元器件的焊接、光伏草坪灯控制电路的设计与制作、光伏控制器的设计与制作、光伏逐日系统的设计与制作以及风光互补发电控制器的设计与制作。本书可作为高等职业院校光伏发电技术与应用、光伏发电工程技术等光伏发电类专业的教材，还可作为从事光伏发电技术的专业人员的参考用书，也可作为参加全国职业技能大赛“光伏电子工程的设计与实施”赛项选手的参考用书。

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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 5 LIMIT 1 [ RunTime:0.002684s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 45 LIMIT 1 [ RunTime:0.003020s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002594s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002142s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1772132210 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.986628s ]

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