Transformer Switch /off-Circuit Pipe-Type Tap Changer

Transformer Switch /off-Circuit Pipe-Type Tap Changer image

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Basic Info.

Model NO.

drum type/ tube type

Usage

Single-Phase Transformer

Frequency Characteristics

High Frequency

Shape of Core

Brand

Ville

Application 1

Large or Medium Oil-Immersed Power Transformer

Application 2

Full Hermetically Transformer

Application 3

Transformers for Specially Used

Applied Tranformer Frequency

Normally on 50 Hz or 60 Hz

Suitable Oil Tank Type

Flat Type or Bell-Type

Applied Oil Tank Rated Voltage

up to 220kv and Below

Applied Oil Tank Rated Current

up to 2000A and Below

Appearance

Simple and Lively

Structure

Reliable Equipped with Solid Construct

Performance

Light Moment, Turn Over Tap Position Clearly

Transport Package

Wooden Case

Specification

IEC, CE

Trademark

VILLE

Origin

Ningbo

HS Code

Production Capacity

50000 Sets

Product Description

Introduction

This is an new three-phase tube-type tap changer. It is combined by the body of tap changer and an operating

turning framework, when the transformer is under non-energized state, we can turn over the tap position to

change transformer ratio and stabilize output voltage. This single phase and “1+2” phase tube-type tap

changer are suitable for installation on vertical direction, but the three-phase tube-type product is suitable for

vertical or horizontal installation.

Application

These series of products are specially designed for large or medium oil-immersed power transformer, full

hermetically transformer or transformers for specially used, they are frequency normally on 50 Hz or 60 Hz, and

suitable for flat type or bell-type oil tank, its rated voltage is up to 220kV and below, rated current up to 2000A

and below.

Technical Features

1) Simple and lively appearance, reliable structure equipped with solid construct pieces.

2) Light moment, turn over tap position clearly.

3) Design features: Body pieces are restricted each other and functioned each other. You can change the tap

position freely and exactly, compared with the same type of products, it has obvious superiority.

4) No conductors and switch cover being equipped on the outer body of product. This is a full hermetically outer

insulation screen which can withstand high voltage impulse, so no puncture discharge will rise between the

narrow gaps, even if the air gap of the tap changer is very near the achieve body of the transformer.

5) The inner constructure of the tube– type tap changer can be drawn out as a whole part, this helps to

installation and maintenance.

6) It owned a certain of national patents right protection.

Technical parameters:

Main performance parameter		Insulation Leve (kV)						Sealing performance (Pa/24h)	Machine Life(Ten thousand times)	Rated through current (A)	Heat Stableness current (kA/2s)	Dynamic stableness current (kA)
Main performance parameter		Line-frequency ( 1 min )			( 1.2/50 μs)
Voltage class (Kv)	Wiring mode	To ground	Inter phase	Inter contactor	To ground	Inter phase	Inter contactor
10	Y	48	48	48	150	115	85	6×10 4	2	250	5	12.5
	Y	48	48	48	150	115	85			400	6	15
	Delta	48	48	18	150	150	85			500	7.5	13.75
35	Y	100	48	30	230	150	95			630	9.45	23.6
35	Delta	100	100	30	230	230	95			800	9.73	24.3
66	Y	160	100	30	350	230	160			1000	10	25
66	Delta	160	160	45	350	350	150			1250	12.5	31.25
110	Y	230	160	45	480	350	150			1600	16	40
110	Delta	230	230	55	480	480	175			2000	20	50
220		460	*260/400	90	1100	1100	285			2500	25	62.5
220		460	*260/400	90	1100	1100	285			3000	30	75

Our Services

1.	Pre sale service
a.	make technical solution
b.	send quotation, technical data sheet and drawing
c.	prepare power transmission plan, testing plan,and shipment plan
2.	In sale service
a.	supervise the manufacturing schedule totally in accordance with the plan
b.	send photos to customer during every manufacturing process(hold point)
c.	inform the customer one week before testinng.
3.	After sale service
a.	installation and commissioning, training the workers
b.	quick response within 12 hours any time
c.	provide 12 months gurantee period normally.

FAQ

1. Q:	What is your delivery time ?
A:	Depend on the type of transformer.
2. Q:	What is your payment term?
A:	30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it.
3. Q:	What kind of starndard you follow?
A:	IEC, ANSI, CSA, GB, etc
4. Q:	What kind of supporting documentation you can provide normally
A:	Quotation,outline drawing,manufacturing plan, quality control plan testing plan, financial report, type test report(KEMA, CESI),reference list,etc
5. Q:	What is your normal wanrranty period?
A:	12 months after transformer operation.
6. Q:	Can u do installation and commissioningin user’s site?
A:	Yes, we can send our installation team to user’s country for service.
7. Q:	Do you have any experience in this kind of transformer?
A:	Yes, we can provide reference list for check.

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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