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試驗(yàn)脈沖波形10/700μS脈沖發(fā)生器試驗(yàn)設(shè)備廠家研發(fā)室適用

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10/700<\/span>μ<\/span><\/span>S<\/span><\/span>波形脈沖發(fā)生器<\/span><\/span><\/span> <\/p>

<\/span><\/span><\/p>

??????????<\/span> <\/p>

1950S脈沖發(fā)生器<\/span><\/span>用于產(chǎn)生脈沖信號(hào)和高壓直流信號(hào)的試驗(yàn)儀器，<\/span><\/span>輸出波形有<\/span><\/span>10/700μ<\/span>S<\/span>，<\/span>1.2/50<\/span>μ<\/span>S<\/span>。<\/span><\/span>此儀器按<\/span> GB4943.1-2011(IEC60950-1：<\/span>2005<\/span>，<\/span>MOD) <\/span>標(biāo)準(zhǔn)的附錄<\/span>N.1<\/span>要求進(jìn)行設(shè)計(jì)制作，對(duì)各類(lèi)信息技術(shù)設(shè)備進(jìn)行模擬通信網(wǎng)絡(luò)中的閃電干擾和模擬配電系統(tǒng)中的瞬態(tài)電壓，屬電氣安全試驗(yàn)儀器設(shè)備。 <\/span><\/span> <\/p>

<\/span> <\/p>

<\/span>1950s<\/span>脈沖發(fā)生器特點(diǎn)：<\/span><\/span><\/span> <\/p>

配置高：<\/span><\/span>選用松下<\/span>PLC可編程控制器（<\/span>FP-X C14R<\/span>）控制，<\/span><\/span> <\/p> <\/li>

所有參數(shù)和儀器的工作狀態(tài)在臺(tái)灣威倫通<\/span>7寸彩色觸摸屏（<\/span>TK6070iH<\/span>）上顯示和設(shè)置<\/span><\/span> <\/p>

3. 安全性高：具有過(guò)壓保護(hù)<\/span><\/span> <\/p>

4.<\/span>中英文菜單界面<\/span><\/span> <\/p>

<\/span> <\/p>

1950s<\/span>脈沖發(fā)生器的用戶(hù)：<\/span><\/span><\/span> <\/p> <\/li><\/ol>

電子元器件廠家<\/span><\/span> <\/p>

<\/span> <\/p>

1950s<\/span>脈沖發(fā)生器<\/span><\/span><\/span>技術(shù)指標(biāo)<\/span><\/span> <\/p>

1.<\/span>試驗(yàn)脈沖波形：<\/span> 10/700uS<\/span> <\/p>

①<\/span><\/span>波形誤差：<\/span> ± 20％；<\/span><\/span> <\/p>

②<\/span><\/span>輸出脈沖電<\/span><\/span>壓：<\/span> 0 ～ <\/span>4kV<\/span>，連續(xù)可<\/span><\/span>調(diào)；<\/span><\/span> <\/p>

③<\/span><\/span>電壓數(shù)顯準(zhǔn)確度：<\/span> ± 5％ <\/span>± 3<\/span>字；<\/span><\/span> <\/p>

2<\/span>試驗(yàn)脈沖波形：<\/span> 1.2/50uS<\/span> <\/p>

①<\/span><\/span>波形誤差：<\/span> ± 20％；<\/span><\/span> <\/p>

②<\/span><\/span>輸出脈沖電壓<\/span><\/span>：<\/span> 0 ～ <\/span>6kV<\/span>，連<\/span><\/span>續(xù)可調(diào)；<\/span><\/span> <\/p>

③<\/span><\/span>電壓數(shù)顯準(zhǔn)確度：<\/span> ± 5％ <\/span>± 3<\/span>字；<\/span><\/span> <\/p>

<\/span> <\/p>

3.<\/span>充放電時(shí)間設(shè)置：<\/span> 1秒～ <\/span>999 <\/span>秒<\/span><\/span> <\/p>

4.<\/span>其準(zhǔn)確度：<\/span> ± 1％<\/span><\/span> <\/p>

5.<\/span>充放電次數(shù)設(shè)置：<\/span> 0 ～ <\/span>999 <\/span>次<\/span><\/span> <\/p>

6.<\/span>其準(zhǔn)確度：<\/span> ± 1次。<\/span><\/span> <\/p>

7.<\/span>輸出電壓極性：<\/span> 正負(fù)交替切換<\/span><\/span> <\/p>

8.<\/span>監(jiān)測(cè)輸出端分壓比：<\/span> 1：<\/span>1000<\/span><\/span> <\/p>

9.<\/span>過(guò)流保護(hù)和過(guò)壓保護(hù)<\/span> 可連續(xù)設(shè)置保護(hù)值（機(jī)內(nèi)調(diào)節(jié)設(shè)置）；<\/span><\/span> <\/p>

10.<\/span>顯示和操作方式：<\/span><\/span>7寸彩色觸摸屏（<\/span>TK6070iH<\/span>）<\/span><\/span>顯示和菜單界面操作；<\/span><\/span> <\/p>

11.<\/span>高壓變壓器功率<\/span><\/span>：<\/span>400VA；<\/span><\/span> <\/p>

12.<\/span>儀器尺寸：約<\/span>640mm（長(zhǎng)）<\/span>×460mm<\/span>（深）<\/span>×320mm<\/span>（高）；<\/span><\/span> <\/p>

13.<\/span>工作電源：<\/span> 220V ± 10％，<\/span>50Hz ± 2Hz<\/span>。<\/span><\/span> <\/p>

<\/span> <\/p>

試驗(yàn)網(wǎng)絡(luò)電路圖：<\/span><\/span> <\/p>

GB4943-2001(IEC60950：<\/span>1999) <\/span>標(biāo)準(zhǔn)的<\/span>2.10.3.4<\/span>條款和<\/span>6.2.2.1<\/span>條款中的試驗(yàn)網(wǎng)絡(luò)電路圖<\/span><\/span> <\/p>

<\/span> <\/p>

注<\/span>:<\/span> <\/span>
<\/span>1)上圖中的電路用來(lái)產(chǎn)生脈沖電壓，所用元器件數(shù)值見(jiàn)下表，電容器<\/span>C<\/span><\/span>_{1<\/span><\/sub>起始狀態(tài)被充電壓<\/span>Uc。<\/span>10/700μs<\/span>（<\/span>10μs<\/span>為視在波前時(shí)間，<\/span>700μs<\/span>為視在半峰值時(shí)間，其波形見(jiàn)圖<\/span>9<\/span>所示，<\/span>T<\/span><\/span>_{1<\/span><\/sub>為視在波前時(shí)間，<\/span>T為視在半峰值時(shí)間）的脈沖試驗(yàn)電路是用來(lái)模擬通信網(wǎng)絡(luò)中的閃電干擾。<\/span><\/span> <\/span>
<\/span>2）<\/span>1.2/50μs (1.2μs<\/span>為視為在波前時(shí)間，<\/span>50μs<\/span>為視在半峰值時(shí)間，其波形見(jiàn)圖<\/span>9<\/span>所示<\/span>)<\/span>的脈沖試驗(yàn)電路是用來(lái)模擬配電系統(tǒng)中的瞬態(tài)電壓。<\/span><\/span> <\/span>
<\/span>3）脈沖波形是指在開(kāi)路條件下的波形，在不同的負(fù)載條件下波形是各不相同的。由于大量的電荷儲(chǔ)存在電容器<\/span>C<\/span><\/span>_{1<\/span><\/sub>內(nèi)，因此在使用這些發(fā)生器時(shí)需要十分小心。<\/span><\/span> <\/span>
<\/span>脈沖發(fā)生器電路中的元件值表：<\/span><\/span> <\/span>
<\/span> <\/p> <\/li><\/ol>}}}

試驗(yàn)脈沖<\/span> <\/p> <\/td>

C<\/span>_{1<\/span><\/sub> <\/p> <\/td>}

R<\/span>_{1<\/span><\/sub> <\/p> <\/td>}

R<\/span>_{2<\/span><\/sub> <\/p> <\/td>}

C<\/span>_{2<\/span><\/sub> <\/p> <\/td>}

R<\/span>_{3<\/span><\/sub> <\/p> <\/td> <\/tr>}

10/700μs<\/span> <\/p> <\/td>

20μF<\/span> <\/p> <\/td>

50Ω<\/span> <\/p> <\/td>

15Ω<\/span> <\/p> <\/td>

0.2μF<\/span> <\/p> <\/td>

25Ω<\/span> <\/p> <\/td> <\/tr>

1.2/50μs<\/span> <\/p> <\/td>

1μF<\/span> <\/p> <\/td>

76Ω<\/span> <\/p> <\/td>

13Ω<\/span> <\/p> <\/td>

30nF<\/span> <\/p> <\/td>

25Ω<\/span> <\/p> <\/td> <\/tr> <\/tbody><\/table>

<\/span> <\/p>

<\/p>

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