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35KV SCB Series Epoxy Resin Dry-type Transformer

35KV SCB series epoxy resin dry type transformers are high-voltage cast-resin encapsulated power distribution transformers designed for medium and high voltage indoor power systems. Adopting advanced vacuum epoxy resin casting technology and high-purity copper windings, this 35kV dry transformer features high insulation strength, strong short-circuit resistance, ultra-low partial discharge, fireproof, explosion-proof and maintenance-free performance.

Classification :

Dry-Type Power Transformer

keywords :

Dry-Type Power Transformer

PRODUCT DETAILS

Product Description

35KV SCB series epoxy resin dry type transformers are high-voltage cast-resin encapsulated power distribution transformers designed for medium and high voltage indoor power systems. Adopting advanced vacuum epoxy resin casting technology and high-purity copper windings, this 35kV dry transformer features high insulation strength, strong short-circuit resistance, ultra-low partial discharge, fireproof, explosion-proof and maintenance-free performance. Fully compliant with IEC 60076 international standards, it is widely used for industrial power plants, new energy stations, subway transit, large commercial complexes and 35kV urban grid upgrading projects.

Core Features

High Voltage Safety & Stability: Professional 35kV high-voltage insulation design, ultra-high dielectric strength, stable operation under long-term high-voltage load, adaptable to complex medium-voltage grid environments.

Fireproof & Explosion-proof Grade: F1-class fire performance, high-quality flame-retardant epoxy resin with self-extinguishing capability, no toxic gas emission, zero explosion risk, meeting strict indoor fire safety standards.

Ultra-low Partial Discharge: Precision vacuum casting process without internal bubbles, partial discharge ≤10pC, stable insulation performance and ultra-long service life.

Superior Short-circuit Resistance: Integral rigid cast winding structure, reinforced mechanical strength, effectively resists short-circuit impact and deformation, ensuring grid operational safety.

Maintenance-free Operation: Fully sealed resin encapsulated structure, no oil filling, no leakage risk, free of daily maintenance, greatly reducing operational and management costs.

Low Loss & High Efficiency: Optimized core and winding design, low no-load and load loss, power transmission efficiency up to 99%, energy-saving and eco-friendly.

Ultra-quiet Operation: Precision core stacking and vibration damping structure, effectively suppresses operating noise, suitable for urban and densely populated indoor scenarios.

Strong Environmental Adaptability: IP20 protection grade, excellent moisture-proof, dust-proof and anti-pollution performance, stable operation in high humidity and dusty environments.

Details Table

Technical Item

Standard Specification

Unit

Remarks

Product Model

SCB10 / SCB11 / SCB13 / SCB18

-

35kV high voltage epoxy cast dry type

Rated Capacity

100 ~ 25000

kVA

Full range customizable

High Voltage (HV)

35 / 36 / 38.5

kV

Standard 35kV high voltage grade

Low Voltage (LV)

0.4 / 6.6 / 10.5

kV

Supports dual voltage distribution

Frequency

50 / 60

Hz

Suitable for global power grids

Vector Group

Dyn11 / Yyn0

-

Dyn11 for superior harmonic suppression

Tap Adjustment Range

±2×2.5% / ±5%

-

Off-circuit manual tap changer

Cooling Method

AN / AF

-

Natural / Forced air cooling optional

Insulation Class

F Class

-

High temperature resistant insulation

Short-circuit Impedance

6.0% ~ 10.0%

%

Matches 35kV high voltage grid

Partial Discharge

≤10

pC

Ultra-low partial discharge value

Operating Noise

≤55

dB

Low noise for high-standard scenarios

Temperature Rise Limit

≤100

K

Safe and stable heat dissipation

Insulation Level

35kV

-

Meets high-voltage IEC insulation standards

Protection Grade

IP20

-

Dust & foreign object prevention

Service Life

Up to 30

Years

Long-term stable high-voltage operation

Executive Standard

IEC 60076-11, GB/T 10228, GB 1094

-

International high-voltage industry standards

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Application Areas


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