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LJW、LJWD-10、35 型电流互感器 LJW、LJWD-10、35 type current transformer
2. 概述|Description
本型电流互感器是钢箱油浸式，户外户内两用装置，供频率50Hz的系统中，做电流、电能测量及继电保护之用。
本型互感器允许在额定电流120%的情况下长期运行。适用于海拔高度不超过4000米，周围气温变化不超过-25℃\~+40℃的地区。
本型互感器为单相油浸自冷气式适用于户外(户内)，互感器内装绝缘和冷却用的变压器油，并采用真空滤油和真空注油工艺。
10kV级油面距箱盖约为15mm，箱盖上面装有注油阀，(阀门上有气孔)并有防雨、雪护盖。35kV级套管上装有储油壶，储油壶内有隔腊，使变压器不与空气接触，减缓了油的氧化速度。互感器热稳定75倍，动稳定187.5倍。本产品分单变比单次级，单变比双次级，双变比单次级，双变比双次级四种型式。其中测量用CT为0.2级，继保监控用CT分别有0.2、0.5、1、3(D)级等.
The type current transformer is a kind of steel tank oil-immersed type of current tra-nsformer providing current and electric energy measurement and relaying protection to system with the frequency of 50Hz.
The type current transformer carries out the long operation under the conditions for 20% of rated current, it is used in the fields of altiude not exceed 4000m, and max. Change of ambient temperature not exceed -25C\~+40℃.
The type transformer is made of single-phase oil-immersed type self-cooling type, whichcan be used indoors or outdoors. There are insulation and oil for cool down the transformer installed inside the transformer. It adopts vacuum oil-filter and vacuum oiling arts.
The type distance between class 10kV fuel and cover is about 15mm, there is an oiling valve installed above the cover,(there is an ais hole on the valve) with water-proof and snow-prof cover. There is an oil tank inside the class 35kV tube, the diaphragm inside the oil tank can make the oil be seperated from the air, which decreases the oil oxidi-zing speed. Transformer thermal stability75 times and dynamic stability 187.5 times. The product has four models: Single-ratio single secondary, single ratio double seco-ndary, double ratio single secondary and double ratio double secondary. Ct for mea-surement, it is class 0.2, CT for continuous protection control, it is class 0.2, 0.5 and 1,3(D), etc.
| 型号Type | 电压等级Voltage class(kA) | 额定电流比Rated current ratio(A) | 计量0.2级、容量cosφ=0.8Measurement class 0.2,capacity(VA) | 继保1级容量Capacity for Class 1 relay protection |
| LJW-10 | 10 | 5-400/5 | 10-15 | 无继保无监控Withont relay protection or monitoing |
| LJW-35 | 35 | 5-600/5 | 30-50 | 无继保无监控Withont relay protection or monitoing |
| LJWD-10 | 10 | 5-400/5 | 10-15 | 15-30 |
| LJWD-35 | 35 | 5-600/5 | 30-50 | 30-50 |
JDJ(J)2-35 型电压互感器JDJ(J)2-35 type voltage transformer
2. 概述|Description
本系列电压互感器为单相油浸产品，适用于额定频率50Hz或60Hz，额定电压35kV及以下的电力系统中，做电能计量、电压监控和继电保护用。
本系列电压互感器的铁心由条形硅钢片叠成，为三柱芯片，器身用铁夹件固定在箱盖上，在箱盖上装有一次及二次套管等，油箱用钢板焊成，油箱壁下部装有接地螺栓及放油塞，箱底有四个安装孔。
The voltage transformer of the type JDJ(J)2-35 is single phase and oil-immersed product . It Is used for electric energy metering, voltage control and rellay protection in the electric system of rated frequency 50Hz or 60Hz and rated voltage 35kV.
This voltage transformer has three poles and the iron core is made of silicon steel sheel. The body is fixed on the box cover by clamps. There have the primary and secondary bushing also on the box cover. The oil is made of steel sheet by welding, there are earth studs and oil drain plug on lower part of box wall, and four mounting holes in the bottom.
| 型号Type | 额定电压比Rated voltage ratio(M) | 准确级及额定二次输出Accuracy class and rated secondary output(VA) | 极限输出Max.output(VA) | 额定绝缘水平Rated insulation level(kV) | 接线图Wiringdiagram | ||||
| 0.2 | 0.5 | 1 | 0.2/0.20.2/0.5 | 6P | |||||
| JDJ2-35 | 35000/100 | 75 | 150 | 250 | 1 | 1 | 1000 | 40.5/95/200 | 图1-2Figure 1-2 |
| JDJJ2-35 | 35000/100/1003 3 3 | 75 | 150 | 250 | 1 | 100 | 1000 | 图3Figure 3 | |
| 35000/100/100/1003 33 3 | 1 | 1 | 1 | 30/3030/60 | 100 | 500/500 | 图4Figure 4 | ||
4. 接线图|Wiring diagram
JD(X)6-35 型电压互感器 JD(X)6-35 type voltage transformer
2. 概述|Description
本型电压互感器为单相户外用油浸式产品，适用于额定频率50Hz或60Hz、额定电压35kV的电力系统中，做电能计量、电压监测和继电保护用。
本型电压互感器的铁心为三柱式，在中柱上套有一、二次绕组，器身固定在油箱内，在油箱上部装有一次瓷套，瓷套顶端装有储油柜。产品为全密封结构，能有效地防止油老化。
The type voltage transformer of the types JD6-35 and JDX6-35 are single phase and oil-immersed products. There are used for electric energy metering,voltage control and relay protection in the electric system to rated frequency 50Hz or 60Hz and rated voltage 35kV.
The type voltage iron core of this voltage transformer is three type. Around the middle post thereis the primary and secondary winding. There is porcelain bush on top of oil box. and oil conservator no top of porcelain bush. The body is fixed in the box. Being a fully enclosed construction, it is effective to prevent oil from ageing.
4. 接线图|Wiringdiagram
| 型号Type | 额定电压比Rated voltage(V) | 准确级及额定二次输出Accuracy class and rated secondary output(VA) | 极限输出Max.output(VA) | 额定绝缘水平Rated insulation level(kV) | 接线图Wiringdiagram | ||||
| 0.2 | 0.5 | 1 | 0.2/0.20.2/0.5 | 6P | |||||
| JD6-35 | 35000/100 | 75 | 150 | 250 | 1 | 1 | 1000 | 40.5/95/200 | 图1-2Figure 1-2 |
| JDX6-35 | 35000/100/1003 3 3 | 75 | 150 | 250 | 1 | 100 | 1000 | 图3Figure 3 | |
| 35000/100/100/1003 33 3 | 1 | 1 | 1 | 30/3030/60 | 100 | 500/500 | 图4Figure 4 | ||
2. 概述|Description
本型电流互感器为油纸绝缘、户外型产品，适用于额定频率50Hz或60Hz、额定电压为35kV的电力系统中，作电能计量、电流测量和继电保护用。
本型电流互感器的器身装在充满变压油的油箱中，并经真空干燥和浸油处理，产品为全密封结构，能有效地防止油老化。
The current transformer of type LB6-35 is oil insulated and outdoor product. It is used for metering electric energy. Current and relay protection in electric system up to rated fre-quency 50Hz or 60Hz and rated voltage 35kV.
The boby of this product, after being vacuum and oil treatmet, is put in the oil tank full of transformer oil. Being a fully enclosed construction, it is effective to prev-ent oil from ageing.
| 额定一次电流Rated primarycurrent(A) | 准确级组合Accuracy classescombination | 额定二次输出Rated secondary output(VA) | 一秒热稳定电流1s thermal current(kA) | 动稳定电流Rated dynamic current(kA) | |||
| 0.2(S) | 0.5 | 10P10 | 10P20 | ||||
| 5-300 | 0.2(S)/10P100.5/10P100.2(S)/10P200.5/10P20 | 30 | 40 | 40 | 30 | 100lin | 200lin |
| 400-2000 | 40 | 102 | |||||
| 额定一次电流Rated primarycurrent(A) | 5-75A | 100-600A | 750-1000A | 1200-1500A | 1200-1500A |
| B | 508 | 548 | 588 | 658 | |
| h | 1335 | 1315 | |||
| H | 1495 | 1475 | |||
1.Oil filler plug 2.Oil-level gauge 3.Outlet terminal 4.Nameplate 5.Secondary terminal box 6.Hanger 7.Oil sample valve 8.Earth stud
Table1 Grade 10P accurate limiting value factor, max Multiple of secondary current and secondary winding impedance for LCW-35, LCWD-35,LCWQ-35, LCWQD-35 current transformer.
LCWD、LCWD1、LCWQ、LCWQD-35 型电流互感器LCWD、LCWD1、LCWQ、LCWQD-35 type current transformer
2. 概述|Description
本型互感器为油绝缘、户外型产品，适用于额定频率50Hz或60Hz、额定电压为35kV及以下的电力系统中，做电能计量、电流测量和继电保护用。
本型电流互感器结构紧凑、体积小、重量轻，器身经过真空干燥处理，装于充满变压器油的套管中。其上半部分为一次绕组，下半部分为二次绕组，套管固定于底座上，套管顶部装有储油柜，一次绕组出头分别从柜壁两侧引出，标有P1的起始端子用小瓷套与柜壁绝缘，末端P2与柜壁直接连接，储油柜正面装有表示不同温度的油表。
The current transformer of type LCWD1-35 is oil insulated and outdoor product. It is used for metering energy, current and relay protection in electric system up to rated frequ-ency 50Hz or 60Hz and rated voltage 35kV.
The type of product has compact structure, small volume, lightweight and its body treated by drying vacuum. It is installed in the bushing filled with transformer oil. The bushing' s upper half-part is the primary winding and its down half part is the secondary winding. The bushing is fixed on the pedestal. The oil storage cabinet is on the top of the bushing. The primary winding's end is led from the two side of the cabinet's wall. It' s staring terminal sign P1 is insulated with the wall by some little porcelain pipes and terinal sighed P2 is directly connected with the wall. The front of the oil storage cabinet has some oil-dials showing different temperature and graduation.
3. 技术参数|Technical data
表1LCW-35、LCWD-35、LCWQ-35及LCWQD-35型电流互感器的10P级准确限值系数、最大二次电流倍数及二次绕组阻抗。
| 型号及级次组合Type and accuracygradecombination | 额定一次电流Rated primarycurrent(A) | 准确级次Accuracygrade | 额定二次负荷cosφ=0.8Rated secondaryload(Ω) | 10P级准确限值系数Grade 10Paccuratelimit factor | 最大二次电流倍数(在额定二次负载时)Max.Secondarycurrent multiple(at rated secondary load) | 二次绕组阻抗Secondarywindingimped-ance(Ω) |
| LCW-35 | 15~1000 | 0.2S0.20.510P | 122 | 285 | 3512 | 0.70.5 |
| LCWD-35LCWQD-35 | 15~750、1000 | 1.01.21.2 | 1515 | 2528 | 0.50.8 | |
| LCW-35 | 15~600 | 1.01.21.2 | 1530 | 2535 | 0.50.56 | |
| LCWD-35LCWQD-35 | 15~600 | 0.8 | 35 | 45 | 0.56 | |
| 750 | 0.8 | 35 | 50 | 0.67 | ||
| 1000 | 0.8 | 50 | 55 | 0.94 |
4. 外形及安装尺寸|Overall dimension drawing
| 型号Type | 额定一次电流比Rated primary current ratio(A) | 1s短时热电流倍数Multiple of 1s short-timethermocurren(kA) | 额定动稳定电流倍数Multipe of rated peakwithstand current |
| LCW-35 | 15~1000 | 90lin | 150lin |
| LCWD-35 | 15~750 | 65lin | 100lin |
| LCWD-35 | 1000 | 65lin | 150lin |
| LCWD-35LCWQD-35 | 15~600 | 65lin | 100lin |
| 额定一次电流Rated primary current(A) | M(mm) | a(mm) |
| 15~400 | M22×1.5 | 40 |
| 600 | M27×1.5 | 50 |
| 800~1000 | M30×1.5 | 60 |
| 1200~1500 | 出线排 outlet bank |
编后语：
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浙江大互电气有限公司
ZHEJIANG DAHU ELECTRIC CO.,LTD.
地址：浙江省乐清市象阳工业区
Add: Xiangyang Industrial Zone, Yueqing, Zhejiang, China.
销售热线(Hotline): 0577-62698228
技术咨询(Technical Service): 0577-62698223
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