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S11-200kva oil immersed transformer

Date of issue: 2020/9/22 10:04:41 Source: http://perryswenson.com Click: zero

  S11-200kva oil immersed transformer has a series of advantages, such as high efficiency, low loss and low noise. It is suitable for power and lighting power consumption in rural power grid and remote mountainous areas. It is an energy-saving power supply mode suitable for urban power grid transformation and high-voltage users of every family. It can also be mounted on the transformer pole directly. It has a very significant effect of saving electricity and energy. The body of s11-200kva oil immersed transformer adopts a new insulation structure to improve the short-circuit resistance; the iron core is made of high-quality cold-rolled silicon steel sheet; the high-voltage winding is made of high-quality oxygen-free copper wire and adopts multi-layer cylindrical structure; all fasteners are specially relaxed. The product has the characteristics of high efficiency and low loss, which can save a lot of power consumption and operation costs, and has remarkable social benefits. It is a high-tech product promoted by the state.

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 S11-200kva oil immersed transformer

Characteristics of s11-200kva oil immersed transformer

(1) the high voltage porcelain bushing installed on the box cover is equipped with ring terminal, which is suitable for aluminum or copper cables.

(2) the box cover adopts a ring type seam structure with uniform stress and reliable sealing.

(3) the low-voltage bushing and terminal on the box wall are ring type bolts, and the surface is tinned.

(4) equipped with self sealing pressure relief valve.

(5) the upper and lower supporting trip of transformer shall be manufactured according to ANSI standard.

(6) the box grounding terminal is a ring bolt grounding terminal.

Standards for s11-200kva oil immersed transformer:

GB 1094.1 power transformer part 1 general principles;

GB 1094.2-1996 "temperature rise of power transformer part 2";

GB 1094.3-2003 "insulation level, insulation test and external insulation air gap of Power Transformers"

GB 1094.4-2003 power transformer part 10 sound level identification

GB / t6451-2008 "technical parameters and requirements for oil immersed transformers" and entrusted requirements

GB 1094.5-2003 short circuit withstand capability of power transformers

GB / t15164 load guide for oil immersed power transformers

Iec76 power transformer

Gb2536 transformer oil

Service conditions of 200KVA oil immersed transformer:

1. Altitude: H < 1000M

2. Working environment temperature: - 25 ℃ ~ + 40 ℃

3. Relative humidity: when the air is at + 25 ℃, the relative humidity shall not exceed 90%

4. Wind speed: < 35m / S

5. Seismic acceleration: the horizontal acceleration is 0.4m/s2

6. Workplace: no fire, danger, chemical corrosion and severe vibration

S11-200kva oil immersed transformer is one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings. It reduces the 10 (6) kV or 35 kV network voltage to the 230 / 400 V bus voltage used by users. This kind of product is suitable for AC 50 (60) Hz, three-phase large rated capacity 2500kVA (single-phase large rated capacity 833kva, single-phase transformer is generally not recommended), and can be used indoors (outside), with capacity of 315KVA It can be installed on the pole when the ambient temperature is not higher than 40 ℃, not less than - 25 ℃, the high daily average temperature is 30 ℃, the high annual average temperature is 20 ℃, the relative humidity is not more than 90% (the ambient temperature is 25 ℃), and the altitude is not more than 1000m. If it is inconsistent with the above service conditions, appropriate quota adjustment shall be made according to the relevant provisions of gb6450-86.


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