Letters/Numbers

English meaning.

S

Three-phase

22

Performance level code

M

Fully sealed structure

□

Rated capacity range(30-2500kVA)

□

Voltage level (kV)

NX1

Class 1 Energy Efficiency

Advantage dimension

detailed description

First levelenergy efficiency with ultra-low losses

The no-load loss is reduced by 30%compared to the national standard,the load loss is reduced by 20%

Fully sealed maintenance free design

2500KWh/unit,meeting the national first-class energy efficiency standard

Strong resistance to short circuits and high stability

Adopting NX1 type corrugated oil tank fuly sealed structure to prevent oil leakage and maintenance free

Low noise and environmentally friendly operation

Duration≥30 years,operation and maintenance costs reduced by 75%

Wide temperature range and wide adaptability

The anti short circuit capability reaches three times the national standard,theimpedance voltage is 4%-6%, and there is no fault during operation

parameter name

Standard coniguration

Rated capacity

30kVA~2500kVA

rated voltage

High voltage side 10kV;low voltage side 0.4KV

Phase number/frequency

Three phase/50Hz

winding connection
group

Dyn11(standard)YONAF(optional customization)

cooling method

ONAN(oil immersed self cooling)YONAF(forced air cooling,optional)

impedance voltage

4%(30-800kVA)/4.5%(800-2000kVA)/5%(2000-2500KVA)

no-load loss

GB/T6451-2023 

load loss

GB/T 6451-2023

energy efficiency ratina

National L1 energy efficiency

insulation class

Grade A(temperature rise limit of 65K)

Protection level

IP67(fuel tank body)

noise level

≤50dB(measured at a distance of 1m)

service life

≥30 years

execution standard

GB/T6451-2023,GB 20052-2023(Energy EfficiencyStandards)