LZCT套管式電流互感器
LZCT bushing current transformer
概述 General description
LZCT套管式電流互感器適用于交流電力系統(tǒng)35kV和10kV以下供用電設(shè)備的電流、電能測量和微機保護。該電流互感器具有體積小、重量輕、便于安裝等特點,已在緊湊型環(huán)網(wǎng)開關(guān)柜、電容器等電器設(shè)備中廣泛應(yīng)用。
LZCT Bushing Type Current Transformer is suitable for is suitable for current measurement,metering and microcomputer protection of distribution equipments in 35kV and 10kV AC power system. It is widely used in compact fully insulated ring net switch cabinets and capacitors because of its small volume, light weight, and convenient installment.
該型電流互感器的環(huán)型鐵芯和二次繞組采用優(yōu)質(zhì)環(huán)氧樹脂真空澆注在可阻燃的塑料殼體內(nèi),防潮濕,性能穩(wěn)定,無需維護。其體積小、重量輕,占用空間小,固定在環(huán)網(wǎng)開關(guān)柜、電容器等電器設(shè)備的套管上,簡便快捷,和諧美觀。
The circular ring core and secondary windings are vacuum poured by high quality epoxide resin in the fire retardant plastic casing, which has the characteristic of moisture proof, stable performance and dispensing with maintenance. It can be fixed on the bushings of the ring net switch cabinets and capacitors quickly and uniformly.
依據(jù)電流變比、準(zhǔn)確級和額定負載的不同,該系列電流互感器分為以下幾種類型,具體參數(shù)詳見各型號對應(yīng)的參數(shù)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.
型號 一次額定電流范圍 額定負載范圍 規(guī)格尺寸(mm) 重量(kg)
LZCT1-10 100~600A ≤10VA φ117×φ78×35 0.6
LZCT2-10I 50~600A ≤20VA φ130×φ82×40 1.2
LZCT2-10II 50~600A ≤20VA φ130×φ82×60 1.8
LZCT2-10III 50~600A ≤20VA φ130×φ82×80 2.4
LZCT3-35 50~600A ≤20VA φ145×φ106×52 2.0
技術(shù)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
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