Phone
WhatsApp
Email

Power Transformer

Home » Power Transformer

20KV Series of Non-Excitation Voltage Regulating Oil-Immersed Transformer

20KV Series of Non-Excitation Voltage Regulating Oil-Immersed Transformer

Rated voltage: 20kV
Rated capacity: ≤15MA
Insulation Class: A Class

Frequency(Hz): 50

Tap Range: ±5%、±2*2.5%

Voltage Regulating Mode: No-load Voltage Regulating

Cooling Type:ONAN

CHAT ONLINE SEND INQUIYR

Feature of 20KV Series of Non-Excitation Voltage Regulating Oil-Immersed Transformer

The S9 series of 20KV non-excitation voltage regulating oil-immersed transformer produced by ZTelec Group are the latest series of low-loss copper winding products.

High-quality materials are used in this series of products, and new techniques and materials are used in the coil and insulation, greatly decreasing no-load and on-load loss.

This series of products possess more reliable and superior performance and structure, and have become the main equipment required for the construction and reconstruction of the national urban and rural power grid which are recommended by the State Economic and Trade Commission.

Technical Requirement of 20KV Series of Non-Excitation Voltage Regulating Oil-Immersed Transformer

Environment: -25℃~40℃

Altitude(m): 100 meters or less

Insulation Class: A Class

Frequency(Hz): 50

Tap Range: ±5%、±2*2.5%

Voltage Regulating Mode: No-load Voltage Regulating

Cooling Type:ONAN

Technical Parameter of 20KV Series of Non-Excitation Voltage Regulating Oil-Immersed Transformer

Executive Standard: IEC60076 & National Standard

HV:20     LV:0.4/0.415
Capacity Connection Group No-Load Loss W On-Load Loss
W
No-Load Current
%
Short-Circuit Impedance
%
Y-Connection D-Connection
50 Yyn0
Dyn11
Yzn11
130 960 1010 2.1 5.5
100 200 1650 1730 1.6 5.5
160 290 2420 2540 1.4 5.5
200 340 2860 3000 1.3 5.5
250 400 3350 3520 1.2 5.5
315 480 4010 4210 1.1 5.5
400 570 4730 4970 1 5.5
500 680 5660 5940 1 5.5
630 810 6820 6820 0.9 6
800 980 8250 8250 0.8 6
1000 1150 11330 11330 0.7 6
1250 1380 13200 13200 0.7 6
1600 1660 15950 15950 0.6 6
2000 1950 19140 19140 0.6 6
2500 2340 22220 22220 0.5 6

 

Leave us a message to get quotation and sample!

If you are interested in our products,, please send us a message and we will contact you as soon as we receive it. Email: info@ztelecgroup.com whatsApp: +8615716749170

Online Chat whatsApp Inquiry