Lb7-220 Type Oil-Immersed Fully-Sealed Structure Current Transformer

Lb7-220 Type Oil-Immersed Fully-Sealed Structure Current Transformer image

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Basic Info.

Model NO.

LB7-220

Cooling Method

Dry-Type Transformer

Winding Type

Separated Winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Single-Phase Transformer

Frequency Characteristics

High Frequency

Shape of Core

Ring

Brand

Ville

Voltage

220kv

Transport Package

Wooden Cases

Specification

IEC

Trademark

VILLE INDUSTRY

Origin

Ningbo China

HS Code

8504

Production Capacity

50000 Sets/Year

Product Description

LB7-220 type oil-immersed fully-sealed structure Current Transformer

Introduction:

This product has an oil-immersed fully-sealed structure. It consists of metal expander, oil conservator, main

body and other accessories. The primary coil is U-shape, the main insulation uses capacitor type oilpaper, use

the high voltage cable paper to wrap the core of primary coil, and set up several main shields among it.

The secondary coil is set up at the lower part of primary coil; the whole main body is fixed in the oil tank. There

is a bushing at upper part of oil tank, and an oil conservator is set up on top of bushing, the primary wire is lead

out via the hole of oil conservator, the seriesparallel switching operation is carried out outside the oil

conservator.Use a stainless steel expander as the oil compensation device to ensure oil quality. Oil level is

indicated by the pointer at the upper window of expander.

A nameplate showing the technical data and a description plate showing the coils arrangement schematic

diagram are set up on the oil tank. There are four holes or lifting blocks on the under-frame for hoisting the

product, and an oil-discharge valve and earthing bolts at bottom of oil tank.

The product can have five or six secondary coils, the secondary measurement coil is made by microcrystalline

alloy with high magnetic conductivity, thus can ensure that the measurement precision reaches up to 0.2 grade

or 0.2S grade.

The secondary terminal has limit and double sealing functions. The outlet box is made by stretching wholly; it is

elaborate and practical. The oil tank is carried out surface treatment; it is bright and durable.

Complete transformer is fully sealed. New technology and new materials such as hot galvanizing or stainless

steel standard parts etc are used for outside of the product to prevent from rustless and get long working life.

Reasonable and originative structure as well as advanced technology ensures that the product runs reliably,

safely and durably.

Our advantages:

Quality Assurance

–From the very beginning, VILLE ensures quality in every step to achieve the best quality.

Experience Sharing

–With more than 30 years’ experience in power industry, VILLE brings you an optimized solution.

Global Service

–Wherever you are, VILLE global network will support and provide you with value.

Quick Response

–In response to your needs without delay, VILLE knows the value of your time.

Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!
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