DL.T 5044-2014 电力工程直流电源系统设计技术规程-畅读网

　　　　

DL.T 5044-2014 电力工程直流电源系统设计技术规程

作者：电力规划设计总院

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内容简介:

本标准适用于单机容量为1000MW级及以下发电厂和1000kV及以下变电站、串补站和直流换流站的新建、扩建和改建工程直流电源系统设计。发电厂包括燃煤发电厂、燃油发电厂、燃气发电厂和生物质发电厂，也包括可再生能源发电厂和核电厂常规部分。本标准不适用于通信专用直流电源系统。

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CONNECT:[ UseTime:0.002520s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.003520s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.005413s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.004591s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.003831s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.004625s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.004511s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002977s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.003663s ]
SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.004436s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.003419s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.006109s ]
SELECT * FROM `ls_goods` WHERE `id` = 118363 AND `status` = 1 LIMIT 1 [ RunTime:0.003945s ]
UPDATE `ls_goods` SET `click_count` = 29 , `update_time` = 1748151270 WHERE `id` = 118363 [ RunTime:0.003632s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 118363 LIMIT 1 [ RunTime:0.004714s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 47 LIMIT 1 [ RunTime:0.003950s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.004488s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.004786s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.004528s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.005235s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 47 LIMIT 1 [ RunTime:0.002096s ]
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:0.003442s ]
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:0.004227s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1748151210 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.174111s ]

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