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Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Bridge Regulation on Load Tap Changer

Bridge Regulation on Load Tap Changer

Bridge Regulation On Load Tap Change Factory are used to change either the primary or secondary voltage to more closely match the desired input or output voltage. This is usually done when operating conditions have changed and the voltage is different than what is normally desired or required to...

Product Details

Bridge Regulation On Load Tap Change

Factory are used to change either the primary or secondary voltage to more closely match the desired input or output voltage. This is usually done when operating conditions have changed and the voltage is different than what is normally desired or required to re-establish “normal” operating conditions. When this occurs, changing one or more of these taps can more exactly provide the desired voltage. Because it is a change that requires actually moving cables, lugs and conductors, this sort of manual voltage regulation is usually done when all other options have been exhausted and is not usually intended for frequent changes.

Tap changing can control / change the voltage (8 to 10%) at the receiving end by manipulating the reactive power flow. It can also control / change slightly the phase angle (phase shifting) thereby affecting the real power flow. Tap changing can be off-load or on-load. In modern power system practice tap changing is rarely used as it has been found, more often than not, to adversely affect the power system Voltage Stability.

We pride ourselves on quality which is our best selling point. Our business goal is to build smart electrical appliance to match our customer’s requirements. We can satisfy various requirement of tap changer. We can undertake designing and making all kinds of special switches according to the technical parameters, special structure and quality required by the customers. 

Model Explanation
 SY□Z(Z) - □/□-□L
    S :  three-phase
    Y :  on load
    □:  voltage connection model
    Z :  adopting resistance transit
    Z :  direct switch
    □:  rated current
    □:  rated voltage
    □:  number of voltage regulation grades
    L :  online oil filter

Main Technical Data

Application Scope

Oil-immersed Distribution Transformer 

Connection Model

SYXZZ : three phase Y connection neutral point linear voltage regulation

SYJZZ : three phase central point bridge voltage regulation

SYTZZ : three phase any connection linear voltage regulation

Three-phase Max. Rated Current  

400A

Max. Rated Voltage

600V

Max. Voltage of Device Um

40.5KV

Tap Positions

17 or others

Connection Model Shows as Following 

image002.png image004.png image006.png
(Y connection neutral point)  (Y connection neutral point with lead wire) (Y connection central bridge point) 
image008.png image010.png image012.png
(D connection central bridge point)  (D connection terminal point) (Auto type terminal point)

Sample Outline Dimension Diagram 

image014.png

Sample Model Parameters

Serial number

Model No.

(A)

Rated

current

(v)

Rated

voltage

Installation dimension(mm)

H

H1

H2

H3

Md

1

SYXZZ 50/10 -3~5

50

10

615

305

120

60

M8

2

SYXZZ 100/10-5~9

100

10

682

350

125

66

M8

3

SYJZZ 100/10-5~7

100

10

750

440

125

100

M8

4

SYJZZ 200/35-5~9

200

35

1500

190

170

715

M12

5

SYJZZ 300/35-5~9

300

35

1500

190

170

715

M14

6

SYJZZ 400/35-5~9

400

35

1700

220

235

910

M16

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