電流互感器選型手冊
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電流互感器選型手冊
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目 錄
一、LDZC-10/24/35型高精度電流互感器 01
...........................................................................................................................................................
二、LDZK-10/24/35型開啟式電流互感器 15
...........................................................................................................................................................
三、LZCT-10/24型套管式電流互感器 29
...........................................................................................................................................................
四、LMDZ-10型母排式電流互感器 41
...........................................................................................................................................................
五、LXZK 型零序電流互感器 46
...........................................................................................................................................................
六、LXZ 型零序電流互感器 54
...........................................................................................................................................................
七、LSY-10/24型三相一體組合式電流互感器 62
...........................................................................................................................................................
八、LDZC135-10/24型雙電纜電流互感器 70
...........................................................................................................................................................
九、 LZKW-10戶外開啟式電流互感器 74
...........................................................................................................................................................
十、 W型電流互感器 76
...........................................................................................................................................................一、LDZC-10/24/35高精度電流互感器
LDZC-10/24/35 high-precision current transformer
概 述 General description
LDZC高精度電流互感器適用于交流電力系統(tǒng)10kV, LDZC high precision current transformer is suitable for current
measurement and protection of distribution equipments in 10kV,
24kV和35kV以下電纜線路供用電設備的電流、電能測量和
24kV and 35kV AC power system. It is widely used in compact fully
保護。該電流互感器具有體積小、重量輕、便于安裝等特
insulated ring main unit such as ABB-SafeRing/SafePlus,RM6/
點,已在ABB-SafeRing/SafePlus、施耐德RM6/SM6、伊 SM6, SVS, GA/GE in Germany , FB in France and SS in
Korea, and so on because of its small volume, light weight, and
頓SVS、德國GA/GE、法國FB、韓國SS等系列緊湊型全絕
convenient installment. It is very convenient that the transformer
緣環(huán)網(wǎng)開關柜中廣泛應用。
can be directly installed at connected output and input cables.
該型電流互感器選用新型導磁材料作為測量繞組的鐵 New magnetic material is taken to be the core of the current
transformer, which has high magnetic permeability, low saturation
芯,其高磁導率、較低的飽和磁感應強度和優(yōu)良的穩(wěn)定
induction density and good stability. Therefore, the measuring
性,保證了較高的測量準確度和較低的儀表保安系數(shù),優(yōu)
accuracy is higher and the instrument security factor is lower.
質進口硅鋼片經(jīng)先進工藝加工后作為保護繞組的鐵芯,保 Since the high quality silicon steel sheet metal processed by
advanced technology is taken to be the core of the protection
證了較高的準確限值系數(shù)。
windings, the accuracy limit factor will be higher.
環(huán)型鐵芯和二次繞組采用優(yōu)質環(huán)氧樹脂真空澆注在可
The circular ring core and secondary windings are vacuum
阻燃的塑料殼體內,防潮濕,性能穩(wěn)定,無需維護。該型 poured by high quality epoxies resin in the fire retardant plastic
casing, which has the characteristic of moisture proof, stable
電流互感器體積小、重量輕,占用空間小,固定在環(huán)網(wǎng)開
performance and dispensing with maintenance. The cable can
關柜的電纜室內,安裝時只需將電纜從內孔穿過,簡便快
cross the current transformer through its internal poles quickly and
捷,和諧美觀。 uniformly.
The current transformers can be divided several kinds according
依據(jù)電流變比、準確級和額定負載的不同,該系列電流
to the various current ratio, accuracy and rated loads. The specific
互感器分為以下幾種類型,具體參數(shù)詳見各型號對應的參
parameters are showed in the corresponding parameter tables of
數(shù)表。 every type.
命名規(guī)則 Nomenclature
系列命名 Product Series 產品代碼 Product Code
L D Z C — X X LC XX □ XXX XXX XXX XXX
電纜電壓等級 cable voltage level 高度 height
內徑 inside diameter
穿心式 through-core 外徑 outside diameter
長度 length
澆注 poured C 測量繞組 measuring winding
P 保護繞組 protection winding
D 復合繞組 composite winding
電纜 cable
電壓等級(kV) voltage level
電流互感器 current transformer 產品型式 production type
01技術參數(shù) Technical data
額定頻率 Rated frequency: 50Hz or 60Hz
額定二次電流 Rated secondary current: 5A or 1A
額定短時熱電流 Rated short-time thermal current: 40kA,1s
額定連續(xù)熱電流 Rated continuous thermal current: 120%In
工頻耐壓 Continuous power-frequency voltage 3kV , 1min
儀表保安系數(shù) Instrument security factor: FS≤10
適用條件 Suit condition
環(huán)境溫度 Ambient temperature: -40℃-+55℃
日平均溫度 Daily mean temperature: ≤40℃
海拔高度 Altitude: ≤3000m
污穢等級 Pollution class: III
產品尺寸 Product Size
型號 產品代碼 規(guī)格尺寸(mm) 一次電流(A) 重量(kg) 適用電纜
Type Product code Size Primary current Weight APP.Cable
LC10□100045040 φ100×φ45×40 75-600 0.85 400
LC10□100045080 φ100×φ45×80 40-600 2.4 400
LC10□135045070 φ135×φ45×70 20-600 4.2 400
LC10□135045140 φ135×φ45×140 20-600 9 400
LDZC-10
LC10□120100038100 120×100×100×φ38 20-400 2.4 150
LC10□120100038120 120×100×120×φ38 20-400 3 150
LC10□120100050100 120×100×100×φ50 50-1000 1.5 500
LC10□120100050120 120×100×120×φ50 50-1000 3.4 500
LC24□120100062120 120×100×120×φ62 50-1000 2.1 400
LDZC-24
LC24□130116062080 130×116×80×φ62 50-600 3 400
一、LDZC-10/24/35型高精度電流互感器 01
...........................................................................................................................................................
二、LDZK-10/24/35型開啟式電流互感器 15
...........................................................................................................................................................
三、LZCT-10/24型套管式電流互感器 29
...........................................................................................................................................................
四、LMDZ-10型母排式電流互感器 41
...........................................................................................................................................................
五、LXZK 型零序電流互感器 46
...........................................................................................................................................................
六、LXZ 型零序電流互感器 54
...........................................................................................................................................................
七、LSY-10/24型三相一體組合式電流互感器 62
...........................................................................................................................................................
八、LDZC135-10/24型雙電纜電流互感器 70
...........................................................................................................................................................
九、 LZKW-10戶外開啟式電流互感器 74
...........................................................................................................................................................
十、 W型電流互感器 76
...........................................................................................................................................................一、LDZC-10/24/35高精度電流互感器
LDZC-10/24/35 high-precision current transformer
概 述 General description
LDZC高精度電流互感器適用于交流電力系統(tǒng)10kV, LDZC high precision current transformer is suitable for current
measurement and protection of distribution equipments in 10kV,
24kV和35kV以下電纜線路供用電設備的電流、電能測量和
24kV and 35kV AC power system. It is widely used in compact fully
保護。該電流互感器具有體積小、重量輕、便于安裝等特
insulated ring main unit such as ABB-SafeRing/SafePlus,RM6/
點,已在ABB-SafeRing/SafePlus、施耐德RM6/SM6、伊 SM6, SVS, GA/GE in Germany , FB in France and SS in
Korea, and so on because of its small volume, light weight, and
頓SVS、德國GA/GE、法國FB、韓國SS等系列緊湊型全絕
convenient installment. It is very convenient that the transformer
緣環(huán)網(wǎng)開關柜中廣泛應用。
can be directly installed at connected output and input cables.
該型電流互感器選用新型導磁材料作為測量繞組的鐵 New magnetic material is taken to be the core of the current
transformer, which has high magnetic permeability, low saturation
芯,其高磁導率、較低的飽和磁感應強度和優(yōu)良的穩(wěn)定
induction density and good stability. Therefore, the measuring
性,保證了較高的測量準確度和較低的儀表保安系數(shù),優(yōu)
accuracy is higher and the instrument security factor is lower.
質進口硅鋼片經(jīng)先進工藝加工后作為保護繞組的鐵芯,保 Since the high quality silicon steel sheet metal processed by
advanced technology is taken to be the core of the protection
證了較高的準確限值系數(shù)。
windings, the accuracy limit factor will be higher.
環(huán)型鐵芯和二次繞組采用優(yōu)質環(huán)氧樹脂真空澆注在可
The circular ring core and secondary windings are vacuum
阻燃的塑料殼體內,防潮濕,性能穩(wěn)定,無需維護。該型 poured by high quality epoxies resin in the fire retardant plastic
casing, which has the characteristic of moisture proof, stable
電流互感器體積小、重量輕,占用空間小,固定在環(huán)網(wǎng)開
performance and dispensing with maintenance. The cable can
關柜的電纜室內,安裝時只需將電纜從內孔穿過,簡便快
cross the current transformer through its internal poles quickly and
捷,和諧美觀。 uniformly.
The current transformers can be divided several kinds according
依據(jù)電流變比、準確級和額定負載的不同,該系列電流
to the various current ratio, accuracy and rated loads. The specific
互感器分為以下幾種類型,具體參數(shù)詳見各型號對應的參
parameters are showed in the corresponding parameter tables of
數(shù)表。 every type.
命名規(guī)則 Nomenclature
系列命名 Product Series 產品代碼 Product Code
L D Z C — X X LC XX □ XXX XXX XXX XXX
電纜電壓等級 cable voltage level 高度 height
內徑 inside diameter
穿心式 through-core 外徑 outside diameter
長度 length
澆注 poured C 測量繞組 measuring winding
P 保護繞組 protection winding
D 復合繞組 composite winding
電纜 cable
電壓等級(kV) voltage level
電流互感器 current transformer 產品型式 production type
01技術參數(shù) Technical data
額定頻率 Rated frequency: 50Hz or 60Hz
額定二次電流 Rated secondary current: 5A or 1A
額定短時熱電流 Rated short-time thermal current: 40kA,1s
額定連續(xù)熱電流 Rated continuous thermal current: 120%In
工頻耐壓 Continuous power-frequency voltage 3kV , 1min
儀表保安系數(shù) Instrument security factor: FS≤10
適用條件 Suit condition
環(huán)境溫度 Ambient temperature: -40℃-+55℃
日平均溫度 Daily mean temperature: ≤40℃
海拔高度 Altitude: ≤3000m
污穢等級 Pollution class: III
產品尺寸 Product Size
型號 產品代碼 規(guī)格尺寸(mm) 一次電流(A) 重量(kg) 適用電纜
Type Product code Size Primary current Weight APP.Cable
LC10□100045040 φ100×φ45×40 75-600 0.85 400
LC10□100045080 φ100×φ45×80 40-600 2.4 400
LC10□135045070 φ135×φ45×70 20-600 4.2 400
LC10□135045140 φ135×φ45×140 20-600 9 400
LDZC-10
LC10□120100038100 120×100×100×φ38 20-400 2.4 150
LC10□120100038120 120×100×120×φ38 20-400 3 150
LC10□120100050100 120×100×100×φ50 50-1000 1.5 500
LC10□120100050120 120×100×120×φ50 50-1000 3.4 500
LC24□120100062120 120×100×120×φ62 50-1000 2.1 400
LDZC-24
LC24□130116062080 130×116×80×φ62 50-600 3 400
AIGC
尊敬的用戶,電流互感器選型手冊是一種詳細的指南,它幫助電氣工程師和技術人員在設計和應用電力系統(tǒng)時選擇合適的電流互感器。電流互感器是一種電氣設備,主要用于電力系統(tǒng)的測量、保護和監(jiān)控,將高電壓或大電流轉換為低電壓或小電流,以便于安全地進行測量和控制。
在選擇電流互感器時,需要考慮以下幾個關鍵因素:
1. **額定電流**:確?;ジ衅髂軌虺惺茴A期的工作電流,并提供足夠的準確度。
2. **準確度等級**:不同的應用可能需要不同級別的準確度,如0.1級、0.5級、5P等,用于保證測量結果的精確性。
3. **二次電流**:選擇合適的二次繞組電流,以匹配測量儀表或保護設備的輸入要求。
4. **絕緣等級**:根據(jù)工作環(huán)境和電壓等級,選擇適當?shù)慕^緣等級以保證安全性。
5. **安裝方式**:如穿心式、嵌入式、封閉母線式等,根據(jù)實際安裝條件來決定。
6. **防護等級**:IP防護等級,防止灰塵和水分的影響。
7. **頻率響應**:對于高頻交流電,可能需要考慮互感器的頻率特性。
為了正確選用電流互感器,建議參考產品規(guī)格表、技術數(shù)據(jù)手冊以及相關的工程規(guī)范,同時考慮項目的具體需求和預算。如果您對某個特定參數(shù)有疑問或者需要更深入的指導,請隨時告訴我,我會盡力幫助您。
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