off-Circuit Linear Type Tap Changer

• Customization: Available
• Type: High-voltage
• Structure: Single-column Disconnector
• Model NO.: WDT 30/10-4*3
• Installation: Indoor High-voltage
• Operation: Electric
• Grounding Mode: Grounding
• Number of Poles: Three Pole
• Grounding: Single Ground
• Series: 4*3/5*6/7*8
• Common Model: Wst
• Structure of Operating: Electric
• Brand: Anhuang
• Shape of Core: High Voltage
• Model Number: Wst
• Shipping: by Sea/ Express
• Use for: Transform
• Transport Package: Packing in Carton
• Specification: As standard drawing
• Trademark: OEM & ODM
• Origin: Zhejiang China
• HS Code: 8538900000
• Production Capacity: 10000/Month
• Package Size: 10.00cm * 5.00cm * 5.00cm
• Package Gross Weight: 2.000kg

Product Description

Product Introduction:

 
This instruction is suitable for strip-type off-circuit tap changer with its frequency of 50, 60Hz, rated current 63A and below , and rated voltage 33kV(Called tap changer below). This tap changer is used in the oil-immersed power transformer and being operated under off-circuit state.


Usage:

1. The tap changer should be working within the ambient temperature specitied as table l
 

Dielectric medium	Temperature ºC
	Lowest temperature	Highest temperature
Air	-25	40
Oil	-25	100

                                              table 1

2.There should be no explosive and corrosive air around installation place.
 

Dimension:

Surface dimension and installaeion dimension of the tap changer (see Figure1 and table 2).

                                                  Tbble 2




Installation:

1 Before we install a tap changer, please check each part of the tap changer if they are all right, then the tap changer must be taken dry treatment. The operation method is the same as the method of winding

2 Double sealing type is adopted between the tap changer and the tank cover:
That is a sealing washer is put on the lower part of the tank cover, and another

3 When installation of switch, please open the switch cover, press the springgasket, rotate 90°and pull out the gasket. Then dismantle the hand shank and fixed plate, pull out the screw nut, and take out the seal gasket, push out the switch from the tank bottom and put the other seal gasket and pressing ring on the bottom of tank.Then reinstall all the spares above mentioned back.

• Note: After installation, the indicator of tap position should fit for the actual tap position of the switch.


Operation:

The tap changer can be operated when the power transformer is under off-circuit state.

When you operate the tap changer, please lift up the handle shaft, make the locating block on the locating shaft get away from the locating trough on the locating tray, turn round the handle shaft to the needed position then put the locating block on the locating shaft to the relevant locating trough.

After the tap changer has been taken dry treatment, Don't turn it if no oil in the switch.


Notice :

If the tap changer has oil leakage phenomenon, you must check the leakage position first, if the leakage is from the turning axle, please screw up the plug on the axle, if the leakage is from the tank cover, you should screw up the solid nut on the flange.


COMPANY PROFILE:

ANHUANG ELECTRIC POWER

COMPANY PROFILE
ANHUANG is a modern company of professional design and manufacture of3.6kV to 40.5kV Medium Voltage cable accessories, electric components and whole set cabinet.
Subsidiaries:
Anhuang Electric Power Technology Co.,Ltd
Zhejiang Anhuang Imp.& Exp.Co,Ltd.

We provide high quality, low cost products for utility systems worldwide.
Our professional production testing equipment, special production technology and professional service team can satisfy the customers' demand.
Our professional engineers, technicians and managers team always keep our promise: ANHUANG is not only provide cost-effective high quality products but also provide high quality, efficient, fast service and technical support to ensure customers' require. Our company obtained international quality management system certification forISO9001,ISO1401OHSAS18001
Our company adhering to the 'safety electricity, forever brilliant' as our enterprise's humanism Willing to work with you hand in hand to build better future.