off-Circuit Tap Changer for Transformers Distrubution Transformer Switch

off-Circuit Tap Changer for Transformers Distrubution Transformer Switch image

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Basic Info.

Model NO.

WSG

Max Rated Current

1000A

Connection Method

Y, D

Rated Voltage

126kv

Applicable Standard

IEC/GB

Transport Package

Wooden Cases

Specification

IEC CE, ISO

Trademark

VILLE

Origin

Ningbo

HS Code

Production Capacity

50000 Sets

Product Description

Type WSG Off-Circuit Tap Changer for transformers

General

Type WDG/WLG/WSG Off-Circuit Tap Changer (herein referred as tap changer) is a drum structure off-circuit
tap changer applicable for power transformer and industry transformer as well as traction transformer.

It can only be operated when the transformer is de-energized.

By number of phase, tap changer can be divided into three-phase, single plus two-phase and single phase.

By leads output terminal location, it is divided into middle output leads, two ends output leads and without fixed
leads.

Type A and Type B tap changers can be mounted between the coils of the transformer; and type C is to be
mounted at side of the transformer coils.

The operations of the tap changer are top manual, side manual from top transmission or from bottom
transmission or motor driving at side.

There are 6 regulation connections as standard design: linear, single-bridging, double-bridging, Y-D change-
over, series-parallel change-over and reversing. Refer to table 2 for the basic connection methods code and
Fig.2 for connection schematic diagrams. For special requirement, please contact us with details.

Designation of tap changer model

Main technical data

Service condition

1 Service temperature range for tap changer in oil medium is -25ºC ~100ºC

2 Service environment temperature range of tap changer is -25ºC ~ + 40ºC . Relative humidity is less than 85%.

3 Perpendicular deflection between ground and tap changer after being mounting on transformer shall be less
than 2%.

4 There shall be no serious dust, explosive gas or corrosive gas at site.

Company Profile:
Main product line: Tap changer and HV switchgear
Tap changer manufacturing with fullest vertical integration
Tap Changer Products Range On-Load Tap Changer:
*Conventional OLTC for transformer with voltage up to 765kV
*Vacuum OLTC for oil transformer with voltage up to 765kV
*Vacuum OLTC for dry transformer with voltage of 72.5kV
Off-Circuit Tap Changer
*Application for the transformer with voltage up to 765kV

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.
8. Q:	Are you manufacturer or trading company?
A:	Manufacturer with own import & export company.

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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