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LMZC高精度电流互感器
LMZC high-precision current transformer
概述 General description
LMZC高精度电流互感器适用于交流电力系统35kV和10kV以下供用电设备的电流、电能测量和保护。该电流互感器具有体积小、重量轻、便于安装等特点，已在SafeRing/SafePlus、RM6/SM6、SVS、GA/GE、FB、SS、FTR等系列紧凑型全绝缘环网开关柜中广泛应用。
LMZC high precision current transformer is suitable for current measurement and protection of distribution equipments in 35kV and 10kV AC power system. It is widely used in compact fully insulated ring net switch cabinets such as SafeRing/SafePlus, RM6/SM6, SVS, GA/GE, FB, SS and so on because of its small volume, light weight, and convenient installment. It is very convenient that the transformer can be directly installed at connected output and input cables.
该型电流互感器选用新型导磁材料作为测量绕组的铁芯，其高磁导率、较低的饱和磁感应强度和优良的稳定性，保证了较高的测量准确度和较低的仪表保安系数，优质进口硅钢片经先进工艺加工后作为保护绕组的铁芯，保证了较高的准确限值系数。
New magnetic material is taken to be the core of the current transformer, which has high magnetic permeability, low saturation induction density and good stability. Therefore, the measuring accuracy is higher and the instrument security factor is lower. Since the high quality silicon steel sheet metal processed by advanced technology is taken to be the core of the protection windings, the accuracy limit factor will be higher.
环型铁芯和二次绕组采用优质环氧树脂真空浇注在可阻燃的塑料壳体内，防潮湿，性能稳定，无需维护。该型电流互感器体积小、重量轻，占用空间小，固定在环网开关柜的电缆室内，安装时只需将电缆从内孔穿过，简便快捷，和谐美观。
The circular ring core and secondary windings are vacuum poured by high quality epoxies resin in the fire retardant plastic casing, which has the characteristic of moisture proof, stable performance and dispensing with maintenance. The cable can cross the current transformer through its internal poles quickly and uniformly.
依据电流变比、准确级和额定负载的不同，该系列电流互感器分为以下几种类型，具体参数详见各型号对应的参数表。
The current transformers can be divided several kinds according to the various current ratio, accuracy and rated loads. The specific parameters are showed in the corresponding parameter tables of every type.
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型号
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一次额定电流范围
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额定负载范围
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规格尺寸(mm)
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重量（kg）
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LDZC1-10I
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100～600A
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≤10VA
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φ100×φ45×40
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0.6
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LDZC1-101I
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50～600A
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≤20VA
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φ100×φ45×80
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1.2
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LDZC1-10III
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10～600A
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≤25VA
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φ100×φ45×160
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2.5
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LDZC1-10IV
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5～600A
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≤30VA
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φ100×φ45×240
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4
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LDZC2-10I
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30～600A
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≤20VA
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φ124×φ40×65
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1.6
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LDZC2-101I
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10～600A
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≤30VA
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φ124×φ40×130
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3.2
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LDZC3-10I
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50～600A
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≤20VA
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120×100×100×φ38
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1.5
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LDZC3-101I
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10～600A
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≤30VA
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120×100×200×φ38
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3
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LDZC4-10I
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300～600A
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≤20VA
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120×100×100×φ50
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1.5
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LDZC4-10II
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200～600A
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≤30VA
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120×100×200×φ50
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3
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LDZC5-35I
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100～800A
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≤20VA
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φ135×φ80×70
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1.8
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LDZC5-35II
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50～800A
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≤30VA
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φ135×φ80×140
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3.6
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可按用户的要求定制不同规格和参数的电流互感器。
All kinds of current transformers of different specifications and parameters can be made according to the client’s demands.
技术参数 Technical data
额定频率Rated frequency：50Hz or 60Hz；
额定二次电流Rated secondary current：5A or 1A
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