產(chǎn)品關(guān)鍵詞:
介質(zhì)損耗測(cè)試儀,
JSY-01型自動(dòng)介質(zhì)損耗測(cè)試儀
JSY-01 Type Automatic Dielectric
Dissipation Tester
1-1 簡(jiǎn)介:General introduction
本說(shuō)明書是JSY-01 型自動(dòng)介質(zhì)損
耗測(cè)試儀的安裝及驗(yàn)收和使用的說(shuō)明
書。JSY-01 型自動(dòng)介質(zhì)損耗測(cè)試儀采用
單片機(jī)技術(shù),運(yùn)用了矢量計(jì)算方法。是
一種新穎的測(cè)量介質(zhì)損耗角正切(tgδ )
和電容值(Cx)的自動(dòng)化儀器??梢栽?br>各種場(chǎng)合條件下,測(cè)量各種絕緣材料、
絕緣套管、電力電纜、電容器、互感器、
變壓器等高壓設(shè)備在工頻高電壓下的介
質(zhì)損耗正切(tgδ )和電容值(Cx)。與
西林電橋相比,具有操作簡(jiǎn)單、自動(dòng)測(cè)量、讀數(shù)直觀、無(wú)需換算、精度高、重復(fù)
性好、抗干擾能力強(qiáng)等優(yōu)點(diǎn)。儀器內(nèi)附標(biāo)準(zhǔn)電容器和升電壓裝置,在“內(nèi)接”方式
下使用,無(wú)需其它外接設(shè)備,便于攜帶。
The ma nual illustrates the insta lla tion and acceptance for the JSY-01 automa tic
dielectric dissipation tester. It adopts sinle plate techinc with munch calculation
method of vector. It is a new automa tic equipment to test tgδ and capacitance Cx. It
measures the tgδ and capacitance Cx for insulation materia l, insua ltion bushing,
power cable, capacitor, mutual inductor and transformer under power frequency
voltage under various conditions.
Compared to schering brid ge, the brid ge operates easily, measures automa tically, and
the reading is direct without calculation. It also has high precision, good repetibility,
and has capability to resist disturba nce. There is standard capacitor and voltage rising
device inside the equipment. It is used under “inner connection”, not necessary for
outer connections and easy to bring.
1-2 性能特點(diǎn):features
a. 測(cè)量方式靈活多樣,具有多種測(cè)量方式可供用戶選擇。
Various measure methods for choice.
b. 內(nèi)附SF6 標(biāo)準(zhǔn)電容器,tgδ<0.005%,受環(huán)境影響小。
With SF6 standard capacitor, tgδ<0.005%, little affected by environment.
c. 多種數(shù)據(jù)處理方式相結(jié)合,具有抗干擾效果好;能有效消除強(qiáng)烈的電場(chǎng)
干擾對(duì)測(cè)量的影響,適用于各個(gè)強(qiáng)干擾現(xiàn)場(chǎng)試驗(yàn)。
Multiple method of data process; good ability of disturba nce resista nce; ability to
dispense affection of strong electric field; suitable for strong disturba nce on-site
test
d. 高壓短路輸出保護(hù),電源輸入保護(hù),并發(fā)出警告信息。
HV shore-circuit output protection; power supply input protection and warning
messa ge
e. 具有接地保護(hù)。
With grounding protection
f. 測(cè)量重復(fù)性好,電壓線性好(測(cè)量準(zhǔn)確度不受電壓影響)
Good repetibility and good voltage linearity
(measure accuracy is not affected by voltage)
g. 一體化結(jié)構(gòu),重量適中,便于攜帶。
Whole structure with midd le weight; portable.
h. 大屏幕背光中文液晶顯示器信息提示操作,使用更為方便。
Big screen anti light reflection with liq uid crysta l Chinese messa ge indica tion
which makes operation easier.
i. 儀器自帶打印機(jī),及時(shí)保存測(cè)試數(shù)據(jù)。
Attached with printer to save measure data on time.
j. 測(cè)試電纜采用高壓拖地電纜,測(cè)量時(shí)更為安全。
Measure cable is HV ground cable for safty during measure.
1-3 結(jié)構(gòu)structure
本儀器將升壓與測(cè)量裝置有機(jī)的結(jié)合在一起,并安裝在一個(gè)機(jī)箱里。儀器內(nèi)
部安裝一臺(tái)10KV 高壓變壓器,使本儀器具有最高輸出10KV 的試驗(yàn)電壓。還安
裝有內(nèi)置式高壓標(biāo)準(zhǔn)電容器,在采用‘內(nèi)接’方式測(cè)量時(shí),無(wú)需任何外部設(shè)備,便
于攜帶到試驗(yàn)現(xiàn)場(chǎng)使用;儀器方便用戶靈活地進(jìn)行多種方式的測(cè)量。儀器結(jié)構(gòu)牢
固,并確保高、低壓電路電氣間隙和爬電距離,以保證操作人員的安全。
The equipment combines voltage rising device and measure device, which are in
one cabinet. A 10kV HV transformer is inside the equipment to ensure ma ximum
10kV ouput test voltage. Inner HV standard capacitor is insta lled inside. When
measuring with “inner connection” method, no other equipment is required. It is easy
to bring to test site. Various test methods can be adopted by users. The equipment has
a solid structure. And high voltage, low voltage electric dista nce is ensured so that it is
safe for operators.
1-4 技術(shù)指標(biāo)
1-4 techincal standards
1.4.1 額定工作條件
環(huán)境溫度:0~40℃ 相對(duì)濕度:30%~85%
Rated working conditions:
Temperature: 0~40℃ relative humid ity: 30%~85%
1.4.2 供電電源:電壓:220V±22V,頻率:50±1Hz
Power supply: voltage: 220V±22V frequency: 50±1Hz
1.4.3 外形尺寸:L× b ×h,mm:440×330×400
Dimension: L× b ×h,mm:440×330×400
1.4.4 重量:不大于23kg
Weight: not above 23kg
1.4.5 電子電路功耗:不大于40VA
Electric circuit power: not above 40VA
1.4.6 測(cè)量范圍:Measure range:
1.4.6.1 介質(zhì)損耗(tgδ): 0 ~100% 分辨率0.0001
dielectric dissipation (tgδ): 0 ~100% resolution: 0.0001
1.4.6.1 電容量(Cx): 最小分辨率0.01pF
capacitance(Cx): minumum resolution: 0.01pF
★ 內(nèi)接方式Inner connection mode
試驗(yàn)電壓Test voltage 試品電容量capacitance of tested object
5KV 7.5KV 10KV 3pF~60000pF
1.5KV 2.25KV 3K 10pF~0.35uF
0.5KV 0.75KV 1KV 30pF~1.5uF
★ 外接方式Outer connection mode
“外接-PT”方式最高試驗(yàn)電壓10KV
The ma ximum test voltage is 10kV with connection of PT
“外接-Cn”方式(外接高壓、外接標(biāo)準(zhǔn)電容器)最高試驗(yàn)電壓由標(biāo)準(zhǔn)電容器和
被試品決定(Umax=Ima x/ωC)
The ma ximum test voltage is decided by standard capacitor and tested object with
connection of Cn (outer connection with HV and standard capacitor)
(Umax=Ima x/ωC)
標(biāo)準(zhǔn)回路最大電流:50mA(In=UωCn)
Maximum current of standard loop: 50mA(In=UωCn)
被試回路最大電流:2A(Ix=UωCx)
Maximum current of tested loop: 2A(Ix=UωCx)
1.4.7 基本測(cè)量誤差basic measure of error
產(chǎn)品在環(huán)境溫度20℃±5℃ 、相對(duì)濕度30%~85%的條件下,應(yīng)符合表1
之規(guī)定。
The form 1 shall be followed when the environment temperature is 20℃±5℃,
and relative humid ity is 30%~85%
(表1)
測(cè)量電容tgδ范圍電容量范圍試品類型基本誤差
介質(zhì)損耗因素
tgδ
0~0.5 50pF~60000pF 非接地±(1%讀數(shù)+0.0003)
接地±(1%讀數(shù)+0.0003)
10pF ~ 50pF 或
60000pF 以上
非接地±(1%讀數(shù)+0.0005)
接地±(2%讀數(shù)+0.002)
3pF~10pF 非接地與接地
電容量50pF 以上±(1%讀數(shù)+1pF)
50pF 以下±(1%讀數(shù)+2pF)
Form 1
2.7 內(nèi)部升壓器輸出能力output capacity of inner voltage rising device:
輸出電壓Output voltage 額定輸出電流rated output current
5KV 7.5KV 10KV 100mA
1.5KV 2.25KV 3KV 300mA
0.5KV 0.75KV 1KV 500mA
tested
capacitance
Tgδ range capacitance
range
tested object basic error
Dielectric
dissipation
factor
tgδ
0~0.5 50pF~60000pF unearthing ±(1%reading +0.0003)
earthing ±(1%reading+0.0003 )
10pF ~ 50pF 或
60000pF 以上
unearthing ±(1%reading+0.0005 )
earthing ±(2%reading+0.002)
3pF~10pF unearthing
capacitance 50pF 以上and earthing ±(1%reading+1pF)
50pF 以下±(1%reading+2pF)
產(chǎn)品關(guān)鍵詞:
介質(zhì)損耗測(cè)試儀,