High Efficiency 3 Phase Step Down Transformer

High Efficiency 3 Phase Step Down Transformer

Details
Application: Power transmission & distribution substations, urban grid, industrial parks, renewable energy power stations
Load Capacity: 10MVA–63MVA (customizable up to 180MVA)
Key Feature: No-load loss reduced by 10%–20%, insulation class B/F/H, service life ≥30 years
Safety: IEC60076, GB standard, lightning protection, over-temperature & pressure relief protection
Category
Power Transformers
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Description
Technical Parameters

Products Description

The 110kV power transformer is a large-capacity, high-reliability core equipment for high-voltage power transmission and transformation. It mainly reduces the 110kV high-voltage level to 35kV/10kV/6.3kV medium and low voltage, which is used for power grid transmission, regional power supply and industrial power distribution.The product adopts high-quality silicon steel sheet and all-copper winding design, and has the characteristics of low loss, low noise, strong short-circuit resistance, and high insulation life. It can operate stably for a long time in harsh environments such as outdoor, high altitude, high cold, high humidity, and heavy pollution. It is widely used in national grid construction, wind power photovoltaic power plants, petrochemical industry, metallurgy, mining and large-scale industrial power supply systems.

product-529-550

Products Advantages

1. Ultra-low loss, energy saving and power saving

Optimize the iron core and winding structure, no-load and load losses are better than national standards, and long-term operation greatly reduces electricity costs.

2. Strong short circuit resistance

The winding reinforcement structure can withstand power grid shocks and short-circuit failures, and reduce the risk of equipment damage.

3. Safe and explosion-proof, reliable operation

Equipped with pressure release valve, gas relay, oil temperature/winding temperature control device, it is suitable for outdoor unattended substations.

4. Long service life

High-quality insulating oil + fully sealed structure, anti-aging, anti-leakage, and longer maintenance cycle.

5. Strong environmental adaptability

It can be used in areas with high altitude, low temperature, high humidity, heavy salt spray, and heavy pollution, with stable performance and no degradation.

Industry application scenarios

Power transmission and transformation of power grids and substations

Stabilize voltage conversion, improve power supply quality, and support reliable power supply in a wide range of areas.

City grid power supply

It has a compact structure and low noise, which is suitable for substations in urban core areas, saving land area and construction costs.

Wind power / photovoltaic new energy power station

High reliability, anti-vibration, suitable for remote areas, and support large-scale grid-connected new energy sources.

Petrochemical, metallurgy, large-scale industry

It has strong overload capacity and corrosion resistance to ensure that the continuous production of heavy industry does not stop.

Mining and infrastructure projects

Adapt to harsh on-site environments, short installation cycles and fast commissioning.

Siemens: Nigeria's mega transformers pass factory acceptance test

Why Choose Us

Kechang Electric
  • Strengthen the strength of the factory
  • A professional manufacturer of high-voltage transformers, certified by ISO9001 and ISO14001, with mature production lines and a full set of test equipment.
  • Quality assurance
  • Complete the type test, partial discharge test, and lightning impact test before leaving the factory, which meets the requirements of IEC and national standards.
  • Customized service
  • Support customization of capacity, voltage, tap range, cooling method, monitoring system, anti-corrosion and seismic resistance, etc.
  • Fast delivery and service
  • Conventional models are in stock; customized products are delivered in 30-45 days; on-site installation guidance and commissioning are provided.
  • Complete qualifications
  • Possess IEC, CCC, type test report, factory certificate of conformity, and a full set of customs clearance documents.
modular-1

2006

Established

18+

Years experience

33333㎡

Factory area

39+

Patent Certificate

 

 

S13 35kv Oil Immersed Power Transformer(630-31500kva)
Model Number Rated Volume Quantity
(KVA)
Voltage Combination(KV) Connecttion Group Label No-load Loss

(W)
Load Loss

(W)
No-load Electricity

(%)
Short Circuit Resistance

(%)
High
Voltage
High Voltage Tap Range Low Voltage
S13-630 630 35 ±5%

or

±2×2.5%
3.15

6.3

10.5
yd11 580 7860 0.65 6.5
S13-800 800 690 9400 0.65 6.5
S13-1000 1000 810 11500 0.65 6.5
S13-1250 1250 980 13900 0.55 6.5
S13-1600 1600 1180 16600 0.45 6.5
S13-2000 2000 1520 18300 0.45 5.5
S13-2500 2500 1790 19600 0.45 6.5
S13-3150 3150 35

38.5
±5%
or
±2×2.5%
3.15
6.3
10.5
2130 23000 0.45 7
S13-4000 4000 2530 27300 0.45 7
S13-5000 5000 3020 31300 0.45 7
S13-6300 6300 3670 35000 0.45 8
S13-8000 8000 35

38.5
±5%

or

±2×2.5%
3.15
3.3
6.3
6.6
10.5
ynd11 5040 38400 0.35 8
S13-10000 10000 6090 45300 0.35 8
S13-12500 12500 7000 53800 0.30 8
S13-16000 16000 8470 65800 0.30 8
S13-20000 20000 10080 79500 0.30 8
S13-25000 25000 11900 94000 0.25 10
S13-31500 31500 14140 112000 0.25 10

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