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-- LO-XT11
-- LO-XYK
-- LO-XTK
-- LO-XTK-N
-- LO-XTK-R
-- LO-XTK-Y
-- LO-XTK-YF
-- LO-XTY
-- LO-FX
+ Center through ct
-- LO-MCI
-- LO-MCII
-- LO-MCIII
+ Digital meter ct
-- LO-DM0001
-- LO-DM0002
-- LO-DM0003
-- LO-DM0004
+ Electricity meter ct
-- LO-ADC0001
-- LO-EM0001
-- LO-EM0002
-- LO-EM0006
-- LO-EM0007
-- LO-EM0005
-- LO-EM0004
-- LO-EM0003
+ General purpose ct
-- LO-56XXC
-- LO-0062B1
-- LO-0201-A1
-- LO-1001A3-L100
-- LO-GP0001-GP0006
-- LO-GP0007
-- LO-GP0008
-- LO-GP0009
-- LO-GP0010
-- LO-N0396-3814
-- LO-GP0012
+ High frequency current transformer
-- LO-HF4001
-- LO-HF4002
-- LO-1862-008 D
+ High frequency switching transformer
-- LO-B8121-041
-- LO-B8121-028
-- LO-B8121-017
-- LO-B8088-007
-- LO-1112-004
-- LO-10682-003
-- LO-09131-002
-- LO-W0109-014
+ Liou picture
+ Planar transformer
-- LO-PLT8088-019
-- LO-PLT8088-020
-- LO-PLT8088-032
-- LO-PLT8088-008
+ Split core ct
-- SP-LO-T50
-- SP-LO-T36
-- SP-LO-T24
-- SP-LO-T16
-- SP-LO-T10
-- Split core ct demon
+ Three phase current transformer
-- LO-TP0001
-- LO-TP0002
-- LO-TP0003
-- LO-TP0004
+ Residual(zero sequence)current transformer
-- Zero sequence current transformer
-- LO-ZCT513502
-- Zero sequence current transformer 53 Series
-- LO-ZCT513802
-- LO-ZCT513902
-- LO-ZCT513002
-- LO-ZCT513102
-- LO-ZCT513202
-- LO-ZCT513602
-- LO-ZCT513402
-- LO-ZCT513002-1
-- LO-ZCT513902-1
-- LO-ZCT513802-1
-- LO-ZCT513602-1
-- LO-ZCT513702-1
-- Residual current transformer 51series
-- LO-ZCT513302
-- LO-CTYD
-- LO-CT11-R
-- LO-CTK
-- LO-CTK-N
-- LO-CTK-R
-- LO-CTK-Y
-- LO-CTK-YF
-- LO-ZCT513702
-- LO-CTY1
-- LO-CT11
-- LO-CTYF
-- LO-CTYF1
-- LO-FK
-- LO-SEN-F
-- LO-SEN-Y
-- LO-YK
-- LO-CTY
 
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零序電流互感器存在的價(jià)值是什么
Publisher:admin  Time:2013/10/26 16:47:35  Click:3819

零序電流互感器是一種保護(hù)電力和電路的設(shè)備,通常被裝置在電力線路上,當(dāng)電流經(jīng)過電路中的任意一點(diǎn)電流矢量和為零,同理可得在任意時(shí)間任意封閉面上的電流矢量和也是為零,因此零序電流互感器是被安裝在三相上的,或者三相四線上也可以。每次當(dāng)線路發(fā)生接地現(xiàn)象或者觸電情況的時(shí)候,電流經(jīng)過零序互感器的矢量和就不等于零了,而電流在經(jīng)過零序之后會(huì)在二次線圈上出現(xiàn)感應(yīng)電壓,二次線路上的感應(yīng)電壓這時(shí)會(huì)生成電流,和預(yù)定的電流做比較的話,就會(huì)發(fā)現(xiàn)當(dāng)超過整定電流的時(shí)候,執(zhí)行元件就會(huì)出現(xiàn)掉閘,電源就會(huì)被切斷,這樣的話從設(shè)備到工作人員都不會(huì)出現(xiàn)任何危險(xiǎn),有效預(yù)防了事故的發(fā)生。

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