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江蘇直流高壓發生器

簡要描(miao)述(shu):直流高(gao)壓(ya)(ya)發(fa)生(sheng)器(qi)是揚州(zhou)科(ke)拓(tuo)電(dian)氣科(ke)技(ji)(ji)有限公司,研究、設計、制(zhi)造的(de),是新時代的(de)科(ke)技(ji)(ji)產品——直流高(gao)壓(ya)(ya)發(fa)生(sheng)器(qi)采用(yong)(yong)(yong)高(gao)頻倍壓(ya)(ya)電(dian)路,*應用(yong)(yong)(yong)的(de)LPC集成芯片,高(gao)頻脈寬調制(zhi)技(ji)(ji)術,閉(bi)環(huan)調整(zheng),采用(yong)(yong)(yong)了電(dian)壓(ya)(ya)大(da)反饋,使(shi)電(dian)壓(ya)(ya)穩(wen)定度大(da)幅(fu)度提高(gao)。使(shi)用(yong)(yong)(yong)性能的(de)大(da)功率IGBT器(qi)件及其驅動技(ji)(ji)術,并(bing)根據(ju)電(dian)磁兼容性理論,采用(yong)(yong)(yong)特(te)殊屏蔽(bi)、隔離和接地等(deng)措施(shi)。使(shi)直流高(gao)壓(ya)(ya)發(fa)生(sheng)器(qi)實(shi)現了高(gao)品質、便(bian)攜式,并(bing)能承(cheng)受額定電(dian)壓(ya)(ya)放電(dian)而不損壞。

  • 產品型號:
  • 廠商性(xing)質:生產廠家
  • 更新(xin)時(shi)間:2023-09-19
  • 訪  問  量:1580

直流高壓發生器是揚州科拓電氣科技有限公司,研究、設計、制造的,是新時代的科技產品——直流高壓發生器采用高頻倍壓電路,*應用的LPC集成芯片,高頻脈寬調制技術,閉環調整,采用了電壓大反饋,使電壓穩定度大幅度提高。使用性能的大功率IGBT器件及其驅動技術,并根據電磁兼容性理論,采用特殊屏蔽、隔離和接地等措施。使直流高壓發生器實現了高品質、便攜式,并能承受額定電壓放電而不損壞。

直流高壓發生器主要部件選用美國、德國、英國等國技術的元器件,使儀器更可靠、更穩定,倍壓筒體用德國技術研制生產,高頻變壓器經有關專家特殊設計、體積小,容量大,過載能力強,便于現場作業試驗。展望未來,企業將繼續積極開拓市場。以質量和信譽為生命,不斷提高科技水平,研制出的優質產品,以滿足用戶的需要,努力開拓,再鑄新世紀的輝煌。

江蘇直流高壓發生器產品特點

1、KTZGF直流高壓發生(sheng)器體積更小、重(zhong)量更輕、更美觀、更可(ke)靠(kao)、操(cao)作(zuo)簡(jian)便、功能(neng)齊(qi)全,便于野外使用,是新(xin)世(shi)紀的可(ke)靠(kao)產品。

    2、采用zui技(ji)(ji)術(shu)、工藝制造,*應用的PWM高(gao)頻(pin)脈(mo)寬調(diao)制技(ji)(ji)術(shu)、脈(mo)沖串邏輯(ji)陣列調(diao)制,采用大功(gong)率IGBT器(qi)件(jian),利用高(gao)頻(pin)技(ji)(ji)術(shu)提高(gao)頻(pin)率,頻(pin)率高(gao)達100kHz,從而使輸出高(gao)壓穩定(ding)度更(geng)高(gao),波紋系數更(geng)小(xiao)。

3、按免(mian)維修設計,主(zhu)要部件均選用美(mei)、德、法等國(guo)進(jin)口技術(shu)的元器(qi)件,經久耐用,不怕連續對地直(zhi)接短路(lu)放電。

4、精度高、測量準(zhun)確(que)。電(dian)壓(ya)、電(dian)流(liu)表均(jun)為數字顯示,電(dian)壓(ya)分辨率為0.1kV,電(dian)流(liu)分辨率為0.1uA,控制箱上(shang)電(dian)壓(ya)表直(zhi)接顯示加在負載試品上(shang)的(de)電(dian)壓(ya)值,使用(yong)時無需外加分壓(ya)器,接線簡單。儀器具有高、低壓(ya)端測量泄漏電(dian)流(liu),高壓(ya)端采用(yong)圓形屏(ping)蔽數字表顯示,不怕(pa)放電(dian)沖擊,抗干擾性能好,適合現場使用(yong)。

5、電(dian)壓(ya)調(diao)節(jie)穩(wen)定度高,全量程(cheng)平(ping)滑調(diao)壓(ya),輸(shu)出電(dian)壓(ya)調(diao)節(jie)采用(yong)進口(kou)單個(ge)多圈(quan)電(dian)位器(qi),

升壓過(guo)程平(ping)穩,調節精度(du)高(gao),并(bing)設計有粗調和(he)細調功能(neng)。電(dian)壓調節精度(du)優(you)于0.1%,電(dian)壓、電(dian)流(liu)測量(liang)誤差小于1.0%,脈動因數優(you)于0.5%。

6、負極性輸出、零(ling)啟(qi)動(dong)、連續(xu)可調、有過電(dian)壓(ya)、過電(dian)流、回(hui)零(ling)、接(jie)地保護、*斷線(xian)保護等各種(zhong)保護功(gong)能。自動(dong)保護電(dian)路(lu)功(gong)能強,保護完善可靠(kao),使操作安全,各種(zhong)技(ji)術指標均優于行(xing)業(ye)標準及(ji)優于同類(lei)產品。

7、增設(she)了高精度75%VDC-1mA的(de)(de)(de)功能(neng),做(zuo)氧化鋅(xin)避雷器(qi)(qi)測量帶來(lai)極大的(de)(de)(de)方便(bian)。輕輕按(an)無須(xu)計算(suan)。本儀器(qi)(qi)控制箱上有75%的(de)(de)(de)電(dian)壓功能(neng)鍵,在做(zuo)避雷器(qi)(qi)試驗時(shi),當(dang)電(dian)流(liu)升到1000uA時(shi)、就打(da)開0.75的(de)(de)(de)按(an)鈕(niu),這時(shi)電(dian)壓表(biao)、電(dian)流(liu)表(biao)所顯(xian)示的(de)(de)(de)值就是(shi)75%的(de)(de)(de)數據,做(zuo)完后應立即將升壓的(de)(de)(de)旋鈕(niu)回到零位(wei)上,同時(shi)將細(xi)調電(dian)壓旋鈕(niu)回到零位(wei)上,并應立即按(an)綠色按(an)鈕(niu),切斷高壓并關(guan)閉電(dian)源(yuan)開關(guan)。再做(zuo)其它的(de)(de)(de)試驗。

8、方便的過(guo)電壓(ya)整定設置(zhi)功能(neng),采用了數(shu)字撥(bo)盤開(kai)關,能(neng)將整定電壓(ya)值(zhi)直(zhi)觀顯示(shi),使你操作更(geng)隨意(yi),顯示(shi)數(shu)值(zhi)單位(wei)為kV。

9、倍壓(ya)筒(tong)可分節(jie)結構,現場(chang)使用,靈(ling)活方(fang)便,機多(duo)用,經濟實惠(hui)。

10、底部設(she)有三只內藏式支撐(cheng)腳(jiao),增加了倍壓筒(tong)的(de)穩定(ding)性。

江蘇直流高壓發生器產品規格及主要技術性能

      規  格

技術(shu)參數

60/2

100/2

120/2

160/2

180/2

200/2

250/2

100/200

3/2

200/300

3/2

其 它

等(deng) 級

輸出電壓(kV)

60

100

120

160

180

200

250

100/200

200/300

600~800kV等合同(tong)

定做。

輸出(chu)電(dian)流(mA)

2

2

2

2

2

2

2

3/2

3/2

輸出功率(W)

120

200

240

320

360

400

500

400

600

充電電流(mA)

3.0

3.0

3.0

3.0

3.0

3.0

3.0

4.5/3.0

4.5/3.0

機(ji)箱(xiang)重量(kg)

4.3

4.3

4.3

4.3

4.3

4.4

4.5

4.5

8.1

倍壓筒高(gao)度(mm)

Φ80

×500

Φ80

×620

Φ80

×770

Φ80

×770

Φ110

×770

Φ110

×770

Φ110

×820

Φ110

×800

Φ110

×1350

倍壓重量(kg)

6.3

6.8

6.8

7.2

7.2

7.2

7.6

7.5

12.6

高壓極性

負(fu)電壓極性,零電壓啟(qi)動,連續可調。

工作(zuo)電源

AC 220V±10%;50Hz

電(dian)壓測量誤差(cha)

1.0%(滿(man)度)±1個(ge)字,zui高分辨率0.1%kV

電流測量誤(wu)差

1.0%(滿度)±1個字,zui高分辨率(lv)0.1%uA

過(guo)壓整定誤差(cha)

≤1.0%

0.75切換誤差

≤0.5%

紋波系數

≤1.0%

電壓穩(wen)定(ding)度

隨機波動,電源電壓變(bian)化±10%時≤0.5%

工(gong)作(zuo)方式(shi)

間(jian)斷(duan)使用(yong)(yong);額(e)定(ding)負載(zai)30分(fen)鐘;1.1倍額(e)定(ding)電壓(ya)使用(yong)(yong):10分(fen)鐘

環境(jing)溫度(du)

-15℃~50℃

相對濕度(du)

當(dang)溫度為25℃時,不大(da)于90%(無凝(ning)露(lu))

海拔高度

2500米以(yi)下

使用說明

1、面板(ban)元(yuan)器件(jian)使用說明   1     2            3          4         5

電(dian)源(yuan)保險10A   AC 220V

高頻輸出(chu)                                             

                             kV                                uA

                                       ;                            開

0    0.75VDC1mA  電源通/高壓(ya)斷   高壓(ya)通

         電壓整定(ding) 單雙節選擇

電壓(ya)粗調     電壓(ya)細調 ;           關(guan)

○         ○   

○         ○

○ ○

○○

         6     7            8      9     12    10    13     11    14

圖2  直(zhi)流(liu)高壓(ya)(ya)發生器控制(zhi)箱面(mian)板示意(yi)圖(雙節(jie)倍壓(ya)(ya))

- 4 -

   1                   2            3             5

kV

       AC220V保險10A

高頻輸出                                                 開

                                              uA

電壓整定(ding)                                                 關(guan)                                                          

                                      電壓粗(cu)調(diao)

               0.75VDC1mA    電源(yuan)通/高壓斷   高壓通

          ;                電壓細調(diao)

○         ○   

○         ○

○ ○

○○ 

1

           6     7        9           10         11         12     13     14

圖3  直流高壓發生器(qi)控制箱面板示意(yi)圖(單(dan)節倍壓)

⑴ 高頻輸出及電(dian)壓(ya)、電(dian)流測量電(dian)纜(lan)(lan)(lan)快速(su)聯(lian)接多芯插(cha)(cha)座:用(yong)于機箱與倍壓(ya)部分的(de)聯(lian)接。聯(lian)接時(shi)只需(xu)將電(dian)纜(lan)(lan)(lan)插(cha)(cha)頭(tou)(tou)上(shang)(shang)的(de)白點對(dui)準插(cha)(cha)座上(shang)(shang)的(de)白點順時(shi)針方向轉(zhuan)(zhuan)動(dong)到位即(ji)可。拆卸(xie)(xie)時(shi)只需(xu)逆時(shi)針轉(zhuan)(zhuan)動(dong)電(dian)纜(lan)(lan)(lan)插(cha)(cha)頭(tou)(tou)即(ji)可。注意:安(an)裝、拆卸(xie)(xie)插(cha)(cha)頭(tou)(tou)時(shi),請握緊插(cha)(cha)頭(tou)(tou)的(de)金屬(shu)圓環處旋(xuan)轉(zhuan)(zhuan)。嚴禁手握電(dian)纜(lan)(lan)(lan)線旋(xuan)轉(zhuan)(zhuan)及拉撥電(dian)纜(lan)(lan)(lan)線旋(xuan)轉(zhuan)(zhuan),以免造成插(cha)(cha)頭(tou)(tou)與電(dian)纜(lan)(lan)(lan)線之間斷線。

⑵ 數(shu)顯(xian)電壓(ya)表:LCD液晶數(shu)字顯(xian)示(shi)直流高壓(ya)輸出(chu)電壓(ya),單(dan)位為kV,zui小分辨(bian)率為±0.1kV。

⑶ 數(shu)顯電流(liu)表(biao): LCD液晶數(shu)字(zi)顯示(shi)直(zhi)流(liu)高壓輸出電流(liu),單(dan)位為uA,zui小(xiao)分辨率為±0.1uA。

⑷ 電(dian)源(yuan)保(bao)險絲座:保(bao)險絲為10A。

⑸ 電(dian)(dian)源(yuan)輸(shu)(shu)入插(cha)座(zuo)(zuo):單(dan)(dan)相交流220V±10%,50Hz。將(jiang)隨(sui)機(ji)配置的電(dian)(dian)源(yuan)線與電(dian)(dian)源(yuan)輸(shu)(shu)入插(cha)座(zuo)(zuo)相聯(插(cha)座(zuo)(zuo)內自帶保(bao)險(xian)管(guan)10A或單(dan)(dan)獨保(bao)險(xian)座(zuo)(zuo))。

⑹ 接地(di)接線柱:此(ci)接地(di)端子(zi)與倍(bei)壓筒接地(di)端子(zi)及試(shi)品(pin)接地(di)聯(lian)接為(wei)點后,再與接地(di)網相(xiang)連。

⑺ 過(guo)電(dian)(dian)(dian)壓整(zheng)定(ding)撥(bo)盤(pan)開(kai)關:用(yong)于設(she)定(ding)過(guo)電(dian)(dian)(dian)壓保護(hu)值。過(guo)壓整(zheng)定(ding)范圍為(wei)0.05-1.2倍額定(ding)電(dian)(dian)(dian)壓內,撥(bo)盤(pan)開(kai)關所顯(xian)示值單位為(wei)kV。

⑻ 單雙節(jie)選擇(ze)開關(為雙節(jie)倍(bei)壓(ya)筒)、電(dian)壓(ya)滿度換檔(分節(jie))開關:當開關撥向(xiang)1時,倍(bei)壓(ya)筒為單節(jie),電(dian)壓(ya)表顯(xian)示的是(shi)單節(jie)倍(bei)壓(ya)筒電(dian)壓(ya);當開關撥向(xiang)2時,倍(bei)壓(ya)筒為雙節(jie),電(dian)壓(ya)表顯(xian)示的是(shi)雙節(jie)倍(bei)壓(ya)筒電(dian)壓(ya)。

雙(shuang)節(jie)(jie)倍壓筒使用時,請將(jiang)上節(jie)(jie)下端(duan)法蘭白點標(biao)記對(dui)準下節(jie)(jie)上端(duan)法蘭白點后,順時針方向旋轉

- 5 -

到碰足(約30度角左右),即上下節(jie)電(dian)氣聯接到位(wei),反之為卸下。

單節(jie)使用時,請(qing)別(bie)忘記把另(ling)配(pei)置的端頂蓋(gai),用上(shang)述的方法裝(zhuang)到(dao)下節(jie)的頂端上(shang)。

⑼ 75%VDC-1mA用黃(huang)色帶燈(deng)(deng)(deng)按(an)(an)(an)鈕:紅燈(deng)(deng)(deng)亮(liang)時(shi)有效(xiao)。當按(an)(an)(an)下黃(huang)色按(an)(an)(an)鈕后黃(huang)燈(deng)(deng)(deng)亮(liang),輸出高(gao)壓(ya)降(jiang)到原來(lai)的0.75倍,并保持此(ci)狀態(tai),此(ci)功能是(shi)專(zhuan)門為氧(yang)化鋅避雷(lei)器快速測量用0.75VDC-1mA,按(an)(an)(an)下綠(lv)色按(an)(an)(an)鈕紅燈(deng)(deng)(deng)、黃(huang)燈(deng)(deng)(deng)均滅,高(gao)壓(ya)切斷并退出0.75倍狀態(tai)。

⑽ 綠色帶燈(deng)按鈕(niu):綠燈(deng)亮(liang)表示電源已接通及(ji)高壓斷(duan)開。在紅燈(deng)亮(liang)狀(zhuang)態下,按下綠色按鈕(niu),紅燈(deng)滅綠燈(deng)亮(liang),高壓回路切斷(duan)。

⑾ 紅(hong)色(se)(se)(se)帶燈(deng)(deng)(deng)(deng)(deng)按(an)鈕(niu)(niu)、高壓(ya)接通按(an)鈕(niu)(niu)、高壓(ya)指(zhi)示燈(deng)(deng)(deng)(deng)(deng):在綠(lv)燈(deng)(deng)(deng)(deng)(deng)亮(liang)(liang)的(de)狀(zhuang)態下,按(an)下紅(hong)色(se)(se)(se)按(an)鈕(niu)(niu)后,紅(hong)燈(deng)(deng)(deng)(deng)(deng)亮(liang)(liang)綠(lv)燈(deng)(deng)(deng)(deng)(deng)滅(mie),表示高壓(ya)回路接通。此(ci)時可升(sheng)壓(ya)。此(ci)按(an)鈕(niu)(niu)須在電壓(ya)調節電位器回零狀(zhuang)態下才有(you)效。如(ru)按(an)下紅(hong)色(se)(se)(se)按(an)鈕(niu)(niu)紅(hong)燈(deng)(deng)(deng)(deng)(deng)亮(liang)(liang),綠(lv)燈(deng)(deng)(deng)(deng)(deng)仍亮(liang)(liang),但松開(kai)按(an)鈕(niu)(niu)紅(hong)燈(deng)(deng)(deng)(deng)(deng)滅(mie)綠(lv)燈(deng)(deng)(deng)(deng)(deng)亮(liang)(liang),表示機內保護電路已工作,此(ci)時必須關機檢查過壓(ya)整定撥盤開(kai)關是(shi)否小于(yu)滿量程的(de)5%及(ji)有(you)無(wu)其它故障,檢查無(wu)誤后再開(kai)機。

⑿ 粗調(diao)電(dian)壓調(diao)節電(dian)位(wei)(wei)器(qi):該電(dian)位(wei)(wei)器(qi)粗調(diao)多圈電(dian)位(wei)(wei)器(qi),順時針旋轉為升壓,反之為降(jiang)壓。此電(dian)位(wei)(wei)器(qi)具備控(kong)制電(dian)子(zi)零位(wei)(wei)保(bao)護功能。因此升壓前必(bi)須先回零位(wei)(wei)。電(dian)壓調(diao)節精度0.1%kV,試驗完畢后,該電(dian)位(wei)(wei)器(qi)應回到(dao)零位(wei)(wei)上(shang)。

⒀ 細調電(dian)壓調節電(dian)位器(qi):為(wei)調整(zheng)精度用(yong)(yong),該電(dian)位器(qi)微調多圈電(dian)位器(qi),順(shun)時針(zhen)旋(xuan)轉為(wei)升(sheng)壓,升(sheng)壓很微慢,反(fan)之為(wei)降壓。細調般為(wei)zui后(hou)(hou)用(yong)(yong)于調整(zheng)電(dian)壓準確數(shu)和(he)做(zuo)氧化鋅避雷器(qi)試(shi)驗(yan),zui后(hou)(hou)調整(zheng)電(dian)流(liu)準確數(shu)用(yong)(yong)。試(shi)驗(yan)完畢后(hou)(hou),該電(dian)位器(qi)應回到(dao)零位上。

⒁ 電源開(kai)關(guan)(guan):將此(ci)開(kai)關(guan)(guan)朝上邊按下,電源接(jie)通,綠燈(deng)亮(liang);反之為關(guan)(guan)斷。避免用此(ci)開(kai)關(guan)(guan)直接(jie)關(guan)(guan)斷高壓(ya)(ya),關(guan)(guan)機時(shi),先使電壓(ya)(ya)粗調和微調電位器都回到零位后,然后關(guan)(guan)閉電源開(kai)關(guan)(guan)。

2、倍(bei)壓筒使(shi)用(yong)說明                      1

1                                 4

 2

                                            5                                        

3                                    6

                                             7                   8

                                      9

       圖4 單節(jie)倍(bei)壓筒                 圖5 雙節(jie)倍(bei)壓筒

- 6 -

1.高壓引出接線(xian)柱  ;              2.均(jun)壓罩

3.倍(bei)壓(ya)筒體                      4.上(shang)節倍(bei)壓(ya)筒

5.上(shang)下節(jie)聯接法(fa)蘭                6.下節(jie)倍壓筒

7.接(jie)地端子                      8.與控制箱(xiang)聯接(jie)電(dian)纜插座

9.△-Y形伸縮(suo)式(shi)接腳

產品成套性

1、控制機箱                 1臺;  2、高壓倍壓筒       1節(jie)(或2節(jie));

3、電源線                   1根;  4、高頻輸出多芯電纜線       1根;

5、備用保險絲10A         若干只;  6、使用說明書               1份;

7、產品(pin)檢驗合(he)格證、保修卡(ka)   1份;  8、產品(pin)出(chu)廠驗收(shou)試驗報告(gao)    ; 1份;

9、放電棒                   1根; 10、接地線(xian)               1根;

選購件

1、SWB-V高壓屏蔽微安表(biao);

    2、各種規格高壓(ya)輸出(chu)電纜及引線夾子;

    3、各種規格均壓罩(供測局放用);

4、限流電(dian)阻;

5、各種規格鋁合金(jin)箱。

揚州科(ke)拓電氣科(ke)技有限公(gong)司(si)主(zhu)要產品:

    直流電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、直流高壓(ya)(ya)(ya)發(fa)生器(qi)(qi)(qi)、變(bian)(bian)(bian)頻(pin)串聯諧振試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)裝置、調頻(pin)電(dian)(dian)(dian)(dian)(dian)(dian)源測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、無局放試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)、SF6微水(shui)儀(yi)(yi)(yi)、SF6氣體(ti)檢漏儀(yi)(yi)(yi)、SF6氣體(ti)純度(du)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、SF6密(mi)度(du)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)校驗(yan)(yan)儀(yi)(yi)(yi)、密(mi)度(du)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)校驗(yan)(yan)儀(yi)(yi)(yi)、試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)故障(zhang)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)變(bian)(bian)(bian)比組別測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、微機(ji)(ji)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)保護測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、高壓(ya)(ya)(ya)開關機(ji)(ji)械特(te)(te)性(xing)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、絕(jue)緣油介電(dian)(dian)(dian)(dian)(dian)(dian)強度(du)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)(大屏幕絕(jue)緣油耐(nai)壓(ya)(ya)(ya)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi))、變(bian)(bian)(bian)頻(pin)抗干擾介質損耗測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、全自動電(dian)(dian)(dian)(dian)(dian)(dian)容電(dian)(dian)(dian)(dian)(dian)(dian)感(gan)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、回路電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)(接觸電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi))、大電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流發(fa)生器(qi)(qi)(qi)(升流器(qi)(qi)(qi))、接地電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、絕(jue)緣電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)(兆歐表)、氧化鋅避雷器(qi)(qi)(qi)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、互(hu)感(gan)器(qi)(qi)(qi)特(te)(te)性(xing)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、絕(jue)緣靴手套(tao)耐(nai)壓(ya)(ya)(ya)實驗(yan)(yan)裝置、無線(xian)(xian)高壓(ya)(ya)(ya)核相(xiang)儀(yi)(yi)(yi)、電(dian)(dian)(dian)(dian)(dian)(dian)力(li)安全工器(qi)(qi)(qi)具力(li)學性(xing)能試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)機(ji)(ji)(電(dian)(dian)(dian)(dian)(dian)(dian)子測(ce)(ce)(ce)(ce)(ce)(ce)力(li)機(ji)(ji))、變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)有載(zai)分接開關測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)容量特(te)(te)性(xing)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)繞組變(bian)(bian)(bian)形測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)特(te)(te)性(xing)綜合(he)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、雷電(dian)(dian)(dian)(dian)(dian)(dian)計(ji)數(shu)器(qi)(qi)(qi)校驗(yan)(yan)儀(yi)(yi)(yi)、真空度(du)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、真空濾油機(ji)(ji)/超(chao)低頻(pin)高壓(ya)(ya)(ya)發(fa)生器(qi)(qi)(qi)、太陽能光伏接線(xian)(xian)盒(he)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)(yi)(yi)、電(dian)(dian)(dian)(dian)(dian)(dian)熱電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)、絕(jue)緣制(zhi)品、滑(hua)線(xian)(xian)導軌橋架(jia)、橡膠(jiao)套(tao)管(guan)、橡膠(jiao)板、防(fang)塵布袋等。

 

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    請輸入計算結果(填寫阿拉伯數字),如:三加四=7