Letter/Number

Meaning

S

Three-phase

13

Performance level code

M

Fully hermetically sealed structure

R

Wound iron core

□

Rated capacity range(30-2500KVA)

□

Voltage level(kV)

Full Hermetically Sealed Transformer

Product structural feature

Advantage dimension

detailed description

Fully sealed maintenance free design

Adopting a fullysealed structure of corrugated oiltank to prevent oilleakage

National standard low loss energy- saving

Reduce operation and maintenance costs by 60% annually

Strong resistance to short circuits, safe and stable

The no-load loss is 15% lower than the national standard,the load loss is 10% lower

Compact structure with wide adaptability

800KWh/unit,compliant with Level 1 energy efficiency

High protection and strong durability

The anti short circuit capability is twice the national standard,the impedance voltage is 4%,and the operating noise is≤55dB,

parameter name

Standard configuration,

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)Yyn0(optional)

cooling method

ONAN(il immersedsef cooling)

impedance voltage

4%(30-630KVA)/5%(800-1600kVA)6%(2000-2500KVA)

no-load loss

15%low er than GB/T6451-2023 standard

load loss

10%lower than GB/T 6451-2023 standard

Protecton level

IP67(fuel tank) 

noise level

≤55dB(measured at a distance of 1m)

service life

≥20 years

execution standard

GB/T6451-2023、IEC76