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Transformer

Transformer

Oil Immersed 11/0.4kV Electric Power TransformerOil Immersed 11/0.4kV Electric Power Transformer
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Oil Immersed 11/0.4kV Electric Power Transformer

2024-06-12

Oil Immersed 11/0.4kV Electric Power Transformer

11/0.4kVpower transformer

Oil immersed power transformeroil immersed power transformer series product line is mostly used in power transmission and distribution on industrial or agricultural grids in urban or rural areas and power transmission and distribution in industrial or mineral enterprises. Till now, the corporation has initiated a large scale production of 90 or more new varieties of product lines, including but not limited to oil-immersed self cooling power transformers, no-exciting voltage regulating power transformers, on-load voltage regulating power transformers, all closed power transformers, etc. This product line is stable in performance, high in reliability, compact in structure, fine in profile, energy saving, maintenance free, and no  core suspension.

Electric Power Transformer Product Characteristics

-  Low Noise, No Environmental Contamination;

-  Low Temperature Rise, High Overload Capacity;

-  Strong Sudden Short-Circuit Resistance, Safe and Reliable Running;

-  Low Losses, Evident Energy Saving Effects;

-  High Insulation Level, Low Local Discharges.

Main technical specification

Specification

1250kVA power transformer 10/0.4kV

Type

TMG-1250/11/0.4

High Voltage(kV)

11

Low voltage(kV)

0.4

Capacity(KVA)

1250

Connection method

Dyn11

Frequency (Hz)

50

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SCBH15 series amorphous alloy dry-type transformerSCBH15 series amorphous alloy dry-type transformer
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SCBH15 series amorphous alloy dry-type transformer

2023-10-08

Overview

The no-load loss of the amorphous alloy dry-type transformer is 75% lower than that of Group 1 in Table 4 of GB/T10228, and the load loss is 15% lower than that of Table 4 of GB/T10228. It is the most advanced energy-saving dry-type transformer in the world.

Model Specification

Usage environment

Ambient temperature: -51℃+40℃

The average temperature of the hottest month is +30℃

The hottest annual average temperature is +20℃

The altitude does not exceed 1000m

The waveform of the power supply voltage is approximately a sine wave

The three-phase power supply voltage should be roughly symmetrical

There is no obvious pollution in the installation environment

Indoor use


Product Standards

GB/T22072-2008 GB1094.11-2007

Rated high voltage: 10 (10.5, 11, 6, 6.3, 6.6) kV

Rated low voltage: 0.4kV

Tap range: non-excitation voltage regulation (±5%, ±2x2.5%)

On-load voltage regulation: (±4x2.5%)

Connection group: Dyn11 or YynO

Insulation level: LI75AC35/AC5


Product Usage

This product has the advantages of low no-load loss, oil-free, flame-retardant and self-extinguishing, moisture-resistant, crack-resistant and maintenance-free. Any place where ordinary dry transformers are currently used can be replaced by amorphous dry transformers, which can be used in high-rise buildings, commercial centers, subways, airports, stations, industrial and mining enterprises and power plants. It is especially suitable for installation and use in places with high fire protection requirements such as flammable and explosive.

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DKSC series grounding transformerDKSC series grounding transformer
01

DKSC series grounding transformer

2023-10-08

Grounding transformers are often used to provide an artificial loadable neutral point for system grounding at ungrounded points in the system. The neutral point of this product is connected to an arc suppression coil or resistor, and then grounded. It can be equipped with a secondary winding of continuous rated capacity as the power supply for the station (station).

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Single-phase pole-mounted oil-immersed power transformerSingle-phase pole-mounted oil-immersed power transformer
01

Single-phase pole-mounted oil-immersed power transformer

2023-10-09

Overview

Western developed countries, Southeast Asia, and South America use a large number of single-phase transformers as distribution transformers. In distribution networks with decentralized power supply, single-phase transformers have great advantages as distribution transformers. It can reduce the length of low-voltage distribution lines, reduce line losses, and improve power supply quality. It adopts a high-efficiency and energy-saving rolled iron core structure design. The transformer is characterized by column-mounted suspension installation, small size, low infrastructure investment, and low voltage reduction. The power supply radius can reduce low-voltage line losses by more than 60%. The transformer adopts a fully sealed structure, with strong overload capacity, high continuous operation reliability, simple maintenance and long service life.

It is suitable for rural power grids, remote areas, scattered villages, agricultural production, lighting and power consumption. It can also be used for railways and urban power grids for energy-saving transformation of pole-mounted distribution lines.

Model Meaning

Product Standards

GB1094.1-2-2013 GB16451-2015

Rated high voltage: 10 (10.5, 11, 6, 6.3, 6.6) kV

Rated low voltage: 0.22(0.23, 0.24)kV

Tap range: non-excitation voltage regulation (±5%, ±2x2.5%)

Connection group: lio or II6

Insulation level: LI75AC35/AC5

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