剩余电流继电器在热电厂的应用

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首页 > 工程案例 > 行业方案 > 剩余电流继电器在热电厂的应用

剩余电流继电器在热电厂的应用 2023-03-28 13:50:11 安科瑞电气股份有限公司

基本信息项目名称: 剩余电流继电器在热电厂的应用项目地点:

周晓丽

安科瑞电气股份有限公司上海嘉定 201801

应用场景

功能

1）该系列继电器可与低压断路器或低压接触器等组成组合式的剩余电流动作保护器；

2）主要适用于交流50Hz，额定电压为400V及以下的TT或TN系统配电线路

3）防止接地故障电流引起的设备和电气火灾事故，也可用于对人身触电危险提供间接接触保护。

作者简介：周晓丽，女，现任职于安科瑞电气股份有限公司，主要从事智慧管廊监控研究发展。手机：18721096061（同微信号）；QQ:2881780377；邮箱：2881780377@qq.com

实施时间:

项目简介

系统实现的功能

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SELECT `id` FROM `rh_news` WHERE ( ( first_news_class_id = 2 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009838s ]
SELECT `id` FROM `rh_news_class` WHERE ( ( parent_id = 7 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009792s ]
SELECT `id` FROM `rh_news_class` WHERE ( ( parent_id = 3 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009831s ]
SELECT `id` FROM `rh_news_class` WHERE ( ( parent_id = 21 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009828s ]
SHOW FULL COLUMNS FROM `rh_product_class` [ RunTime:0.010433s ]
SELECT `id` FROM `rh_product_class` WHERE ( ( parent_id = 0 ) ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009792s ]
SHOW FULL COLUMNS FROM `rh_download_class` [ RunTime:0.010859s ]
SELECT `id` FROM `rh_download_class` WHERE ( ( parent_id = 0 ) ) AND `rh_download_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009802s ]
SHOW FULL COLUMNS FROM `rh_intro` [ RunTime:0.010303s ]
SELECT `icon`,`icon_2` FROM `rh_intro` WHERE ( ( id=1 ) ) AND `rh_intro`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009795s ]
SELECT `icon`,`icon_2` FROM `rh_intro` WHERE ( ( id=4 ) ) AND `rh_intro`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009780s ]
SELECT `icon`,`icon_2` FROM `rh_intro` WHERE ( ( id=5 ) ) AND `rh_intro`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009822s ]
SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=1 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.024574s ]
SELECT * FROM `rh_news_class` WHERE ( ( is_pass = 1 and parent_id = 7 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.009874s ]
SELECT * FROM `rh_news_class` WHERE ( ( is_pass = 1 and parent_id = 3 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.009853s ]
SELECT * FROM `rh_news_class` WHERE ( ( is_pass = 1 and parent_id = 21 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.009939s ]
SELECT * FROM `rh_product_class` WHERE ( `is_pass` = 1 ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` ASC [ RunTime:0.009929s ]
SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=2 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.014970s ]
SELECT * FROM `rh_product_class` WHERE ( ( parent_id=0 and level=1 ) ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.009878s ]
SELECT * FROM `rh_download_class` WHERE ( ( parent_id = 0 ) ) AND `rh_download_class`.`delete_time` = 0 [ RunTime:0.009870s ]
SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=2 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.014849s ]
SELECT * FROM `rh_product_class` WHERE ( ( parent_id=0 and level=1 ) ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.009905s ]
SELECT * FROM `rh_download_class` WHERE ( ( parent_id = 0 ) ) AND `rh_download_class`.`delete_time` = 0 [ RunTime:0.009849s ]
SHOW FULL COLUMNS FROM `rh_swiper` [ RunTime:0.010427s ]
SELECT * FROM `rh_swiper` WHERE ( `is_pass` = 1 AND `id` = 8 ) AND `rh_swiper`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009939s ]
SELECT * FROM `rh_product_class` WHERE ( ( parent_id = 0 ) ) AND `rh_product_class`.`delete_time` = 0 [ RunTime:0.009889s ]

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