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爱心徽章,07年为希望小学奉献爱心纪念徽章 爱心徽章,08年为希望小学奉献爱心纪念徽章

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发表于 2007-4-10 15:21:00 |只看该作者 |倒序浏览
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: &quot;Times New Roman&quot;;">内容提要</span><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 仿宋_GB2312;"><font face="Times New Roman">:</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: &quot;Times New Roman&quot;;">本文重点阐述了阀控式密封铅酸蓄电池的原理使用与维护</span><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 仿宋_GB2312;"><font face="Times New Roman">,</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: &quot;Times New Roman&quot;;">并对标准条件下交换机用蓄电池组的单体电池的内阻进行了分析</span><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 仿宋_GB2312;"><font face="Times New Roman">,</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: &quot;Times New Roman&quot;;">同时指出了日常维护中的注意事项</span><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 仿宋_GB2312;"><font face="Times New Roman">.<p></p></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 18.0pt; mso-bidi-font-weight: bold;"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">1.<span style="FONT: 7pt &quot;Times New Roman&quot;;">
                                        </span></span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt;">引言<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20.5pt; mso-char-indent-count: 1.71;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">阀控式密封铅酸蓄电池(以下简称<span lang="EN-US">VRLA</span>)以其体积小</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">、</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">重量轻</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">、</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">自放电小</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">、</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">少维护</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">、</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">使用方便,对环境无腐蚀</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">、</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">污染等优点,在我国威尼斯人官方网站行业中应用已有数年,并且愈来愈受到用户的青睐,但是,由于维护人员对<span lang="EN-US">VRLA</span>的特性知之甚少,使用不得当,维护方法不合理,导致<span lang="EN-US">VRLA</span>的使用寿命缩短,造成很大损失。在此,笔者查阅了部分有关<span lang="EN-US">VRLA</span>的资料,结合多年维护<span lang="EN-US">VRLA</span>的经验,对<span lang="EN-US">VRLA</span>较系统地介绍一下,供同行参考。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">2.<span style="FONT: 7pt &quot;Times New Roman&quot;;">
                                        </span></span></span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt;">VRLA</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt;">充电时的工作原理<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20.4pt; mso-char-indent-count: 1.7;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">普通铅酸蓄电池在充电末期或过充时,由于水(<span lang="EN-US">H<sub>2</sub>O</span>)被电解,正极产生氧(<span lang="EN-US">O<sub>2</sub></span>),负极产生氢气(<span lang="EN-US">H<sub>2</sub></span>),这两种气体逸出电池时不仅使电池内水份变少,同时也带走少量硫酸(<span lang="EN-US">H<sub>2</sub>SO<sub>4</sub></span>),形成“酸雾”。而<span lang="EN-US">VRLA</span>由于对正极的板栅做了改进,用铅钙合金做板栅,这不仅使电池的自放电减小,而且使负极的析氢量降低。另外,对<span lang="EN-US">VRLA</span>正负极之间的隔膜也做了改进,改用一种便于氧(<span lang="EN-US">O<sub>2</sub></span>)扩散向负极的材料,这样,氧(<span lang="EN-US">O<sub>2</sub></span>)就会在负极表面产生化学反应,化合成水(<span lang="EN-US">H<sub>2</sub>O</span>)。改进隔膜具有使氧气透过的能力,现在采用两种方法:一<span lang="EN-US">.</span>采用超细玻璃棉纤维隔膜,不饱和吸附电解液(<span lang="EN-US">95%</span>左右),剩余的空隙就可作为氧(<span lang="EN-US">O<sub>2</sub></span>)的通道,二<span lang="EN-US">.</span>采用胶体电解质,该电解质在短时间使用后,内部会产生许多裂纹,成为氧(<span lang="EN-US">O<sub>2</sub></span>)向负极扩散的通道。<span lang="EN-US">VRLA</span>充电时的工作过程如下:<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">(<span lang="EN-US">1</span>)充电末期或过充电时将在正极产生氧(<span lang="EN-US">O<sub>2</sub></span>)<sub><span lang="EN-US"><p></p></span></sub></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>2H<sub>2</sub>O=O<sub>2</sub>+4H<sup>+</sup>+4e<p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">(<span lang="EN-US">2</span>)产生的氧通过隔膜空隙到达负极表面被还原成水<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>2Pb+O<sub>2</sub>+2H<sub>2</sub>SO<sub>4</sub>=2PbSO<sub>4</sub>+2H<sub>2</sub>O<p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">(<span lang="EN-US">3</span>)负极在进一步的充电中<span lang="EN-US">bSO4</span>被还原成海棉壮的铅<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>bSO<sub>4</sub>+2e=Pb+SO<sub>4</sub><sup>2-<p></p></sup></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><sup><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;"><span style="mso-spacerun: yes;">&nbsp;</span></span></sup><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">由于负极在充电末期与氧反应的去极化作用,抑制了氢气的析出,而正极析出的氧气又被负极吸收,从而使蓄电池内压不会进一步升高,于是蓄电池就可以保证密封运行。当万一出现严重过充时,过量的氧气来不及吸收,将通过单向定压安全阀排出而保证电池的安全。单向定压安全阀还能防止空气进入电池内。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.<span style="FONT: 7pt &quot;Times New Roman&quot;;">
                                        </span></span></span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt; mso-hansi-font-family: 宋体;">VRLA</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 15.0pt; mso-hansi-font-family: 宋体;">的安装及工作环境<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.1<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">由于开口电池易产生酸雾,这会对<span lang="EN-US">VRLA</span>的极柱及连条有腐蚀作用,因此,不要与开口电池同放一室。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.2<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">VRLA</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">对温度影响特别敏感,其寿命受高温影响很大,因此,放置<span lang="EN-US">VRLA</span>的电池室或机房应设有空调装置,将其工作温度控制在<span lang="EN-US">25<sup>0</sup>C</span>左右,这不仅有利于稳定<span lang="EN-US">VRLA</span>的容量,还可减少故障,延长使用寿命。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.3<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">VRLA</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">的安装位置应避免阳光照射,远离热源及容易产生火花的设备,安全距离不小于<span lang="EN-US">0.5</span>米。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.4<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">由于<span lang="EN-US">VRLA</span>中的电解液全部由隔膜及板栅吸收,电池内没有多余的自由流动的电解液(用胶体电解质的更是如此),因此,<span lang="EN-US">VRLA</span>可以做任何取向的安放,即使倒置也不会流出电解掖。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.5<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">VRLA</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">的安装方式以</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 仿宋_GB2312; mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">“</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">先并后串</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 仿宋_GB2312; mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt;">”</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">为佳,这种连接方式可减小环路电流,一般不会出现落后电池。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.6<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">VRLA</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">安装完毕后应逐个检查导电连接螺栓是否拧紧,整个电源系统的总电压是否正常。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 37.5pt; TEXT-INDENT: -37.5pt; mso-list: l1 level2 lfo2; tab-stops: list 37.5pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-bidi-font-family: 仿宋_GB2312; mso-hansi-font-family: 宋体;"><span style="mso-list: Ignore;">3.7<span style="FONT: 7pt &quot;Times New Roman&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">VRLA</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-hansi-font-family: 宋体;">在投入使用前先进行初充电,必要时做一次完整的容量试验,这样可以检测<span lang="EN-US">VRLA</span>的各项指标及性能,将电池的端电压、内阻、容量等数据做好记录,便于使用过程中进行比较。<span lang="EN-US"><p></p></span></span></p>

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