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Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Permanent Magnetic on Load Tap Changer

Permanent Magnetic on Load Tap Changer

P ermanent M agnetic O n L oad T ap C hanger The permanent magnetic controlling on-load tap-changers manufactured by Jinli has been developed over many years to provide maximum reliability. The simple and rugged design gives a service life equal to the service life of the transformer. Minimum...

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Product Details

Permanent Magnetic On Load Tap Changer

The permanent magnetic controlling on-load tap-changers manufactured by Jinli has been developed over many years to provide maximum reliability. The simple and rugged design gives a service life equal to the service life of the transformer. Minimum maintenance is required for trouble-free operation. The only parts requiring maintenance are contacts that might need replacement during the service life, the insulating oil and the motor-drive mechanism. The design allows ready access to all parts, making inspection and maintenance quick and simple. The on-load tap-changers is housed in the transformer tank. The motor-drive mechanism is attached to the transformer and connected to the on-load tap-changer by means of drive-shafts and a bevel gear.

Self-regulating permanent magnet generators apply rare earth magnets for providing excitation during their operation. The operating principle will follow permanent magnetic controlling system and correlate the performance requirements with the characteristics of rare earth permanent magnets. The dynamic operation under load, overload, and short circuit conditions is reviewed; and the effect on the magnetic characteristics of the permanent magnets is adopted on the tap changer.

One of our patent products is regulating capacity on load tap changer. The most advantages is saving energy and reducing the on load loss. It proved that only 27% of no load loss is equivalent to the largest capacity operations. We have a very strict quality controlling system which promises the product we produced is always in best quality. 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.

Model Explanation
 SYTXY - □( )/□-□(YC)
    S :  three-phase
    Y :  on load
    T :  capacity regulating
    X :  star-delta switching
    Y :  voltage regulating
    □:  Max. capacity
    ( ):  Min. capacity
    □:  voltage of high-voltage site
    □:  voltage regulation positions
    (YC): permanent magnet controlling devices

Main Technical Data

Application Scope

Under 630KVA and 10KV oil-immersed capacity & voltage regulating transformer

Connection Model

 

High-voltage Site

Low-voltage Site

High-capacity

Delta connection

Star connection

Low-capacity

Parallel connection

Series connection

Three-phase Max. Rated Current  

315KVA

30A

300A

630KVA

60A

550A

Max.Rated Voltage

5773V

Max.Voltage of Device Um

10KV

Tap Positions

7 or others

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