CN112444751A - 一种ups蓄电池在线监测设备干扰主动遏制装置及方法 - Google Patents

一种ups蓄电池在线监测设备干扰主动遏制装置及方法 Download PDF

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CN112444751A
CN112444751A CN202011006147.3A CN202011006147A CN112444751A CN 112444751 A CN112444751 A CN 112444751A CN 202011006147 A CN202011006147 A CN 202011006147A CN 112444751 A CN112444751 A CN 112444751A
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electromagnetic
electromagnetic interference
ups
interference signal
amplitude
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丁伟强
吕勇
陈德平
张倩
曹静
章立宗
钱一宏
赏炜
张晓峰
唐立新
张敏
祝兵
袁誉峰
徐显浩
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Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385Arrangements for measuring battery or accumulator variables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/18Screening arrangements against electric or magnetic fields, e.g. against earth's field
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明公开了一种UPS蓄电池在线监测设备干扰主动遏制装置及方法,包括干扰信号采集模块、运算和控制模块、反相信号发生器以及功率放大器,所述干扰信号采集模块采集UPS机房环境中的电磁干扰信号;所述运算和控制模块对该电磁干扰信号进行分析,得出该电磁干扰信号的振幅和相位;所述反相信号发生器用于产生与该电磁干扰信号的相位相反的反相电磁波;所述功率放大器对反相电磁波进行功率放大,使反相电磁波的振幅与该电磁干扰信号的振幅相等。本发明自动采集、分析UPS机房环境中的电磁干扰信号,产生与其振幅相同、相位相反的电磁波,抵消原有电磁干扰信号,从而有效降低环境空间中的电磁干扰信号强度。

Description

一种UPS蓄电池在线监测设备干扰主动遏制装置及方法
技术领域
本发明属于电力工程技术领域,具体涉及UPS蓄电池在线监测设备防电磁干扰技术。
背景技术
现有UPS蓄电池在线监测设备抑制干扰的方法是在UPS设备电路或安装布线中采取措施,减少干扰源所产生的噪声。主要方法是:
①采用合适的缓冲电路网络或软开关方式,降低干扰源的变化速率,使之通过电场、磁场、传导、阻抗耦合的程度变弱。
②减小分布电容(与结构、布线有关)。如桥臂中点及其引线上的电压变化速率最大,应尽量缩短这一段导线,并使其与开关管的散热片都远离机壳,以减少干扰源与机壳之间的分布电容,同时避免输入输出电缆平行敷设。
③为防止出现中线过流,并造成整个供电系统用户负载端的中线电位过高,在UPS输出端所用的中线截面积应为相线截面积的112~115倍,绝不能采用传统的0125~013倍三相四线制的普通电缆。
④良好的接地处理。对接地点电阻率大的场地,必须采用浸渍和置换两种方法减小电阻率。
④备内置或外置滤波电路。
以上技术主要用于减少UPS谐波电流对电网造成“污染”的不利影响,其主要作用在UPS负载侧,对UPS蓄电池室的电磁环境没有针对性的措施改善措施,导致蓄电池室内部弱电系统(在线监测系统等)承受了较强的电磁干扰,无法正常工作。
发明内容
针对现有技术的缺陷,本发明所要解决的技术问题就是提供一种UPS蓄电池在线监测设备干扰主动遏制装置,对UPS蓄电池室的电磁环境采取针对性的改善措施,避免蓄电池室内部弱电系统承受较强的电磁干扰。
为解决上述技术问题,本发明采用如下技术方案:一种UPS蓄电池在线监测设备干扰主动遏制装置,包括:
干扰信号采集模块:所述干扰信号采集模块采集UPS机房环境中的电磁干扰信号;
运算和控制模块:所述运算和控制模块对该电磁干扰信号进行分析,得出该电磁干扰信号的振幅和相位;
反相信号发生器:所述反相信号发生器用于产生与该电磁干扰信号的相位相反的反相电磁波;
功率放大器:所述功率放大器对反相电磁波进行功率放大,使反相电磁波的振幅与该电磁干扰信号的振幅相等。
本发明还提供了一种UPS蓄电池在线监测设备干扰主动遏制方法,采用所述的一种UPS蓄电池在线监测设备干扰主动遏制装置,通过产生与电磁干扰信号振幅相同、相位相反的电磁波,来降低UPS蓄电池室的电磁干扰信号强度。
本发明采用的技术方案,自动采集、分析UPS机房环境中的电磁干扰信号,产生与其振幅相同、相位相反的电磁波,抵消原有电磁干扰信号,从而有效降低环境空间中的电磁干扰信号强度。
本发明的具体技术方案及其有益效果将会在下面的具体实施方式中结合附图进行详细的说明。
附图说明
下面结合附图和具体实施方式对本发明作进一步描述:
图1为遏制信号与电磁干扰信号叠加抵消示意图;
图2为本发明一种UPS蓄电池在线监测设备干扰主动遏制装置的结构框图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的,决不作为对本发明及其应用或使用的任何限制。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
参考图1和图2所示,一种UPS蓄电池在线监测设备干扰主动遏制装置,包括:
干扰信号采集模块:所述干扰信号采集模块采集UPS机房环境中的电磁干扰信号;
运算和控制模块:所述运算和控制模块对该电磁干扰信号进行分析,得出该电磁干扰信号的振幅和相位;
反相信号发生器:所述反相信号发生器用于产生与该电磁干扰信号的相位相反的反相电磁波;
功率放大器:所述功率放大器对反相电磁波进行功率放大,使反相电磁波的振幅与该电磁干扰信号的振幅相等。
一种UPS蓄电池在线监测设备干扰主动遏制方法,采用上述的一种UPS蓄电池在线监测设备干扰主动遏制装置,来降低UPS蓄电池室的电磁干扰信号强度。
应用实例:
经在国网绍兴供电公司大楼UPS机房电池室现场测试,使用了本发明样机后,环境实测干扰中能量最大的12.38kHz信号幅度下降了75%。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,熟悉该本领域的技术人员应该明白本发明包括但不限于上面具体实施方式中描述的内容。任何不偏离本发明的功能和结构原理的修改都将包括在权利要求书的范围中。

Claims (2)

1.一种UPS蓄电池在线监测设备干扰主动遏制装置,其特征在于,包括:
干扰信号采集模块:所述干扰信号采集模块采集UPS机房环境中的电磁干扰信号;
运算和控制模块:所述运算和控制模块对该电磁干扰信号进行分析,得出该电磁干扰信号的振幅和相位;
反相信号发生器:所述反相信号发生器用于产生与该电磁干扰信号的相位相反的反相电磁波;
功率放大器:所述功率放大器对反相电磁波进行功率放大,使反相电磁波的振幅与该电磁干扰信号的振幅相等。
2.一种UPS蓄电池在线监测设备干扰主动遏制方法,其特征在于:采用权利要求1所述的一种UPS蓄电池在线监测设备干扰主动遏制装置,来降低UPS蓄电池室的电磁干扰信号强度。
CN202011006147.3A 2020-09-23 2020-09-23 一种ups蓄电池在线监测设备干扰主动遏制装置及方法 Pending CN112444751A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777406A (zh) * 2021-07-26 2021-12-10 国网新疆电力有限公司电力科学研究院 换流站接地极接地电阻测量干扰抑制装置及使用方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276599A (zh) * 2016-04-07 2017-10-20 中兴通讯股份有限公司 抗干扰方法、电路及移动终端

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276599A (zh) * 2016-04-07 2017-10-20 中兴通讯股份有限公司 抗干扰方法、电路及移动终端

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777406A (zh) * 2021-07-26 2021-12-10 国网新疆电力有限公司电力科学研究院 换流站接地极接地电阻测量干扰抑制装置及使用方法

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Application publication date: 20210305