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La Concepción Common models of power transformerWhat are the uses of the curve

Article author:La Concepción issuing time:2022/06/23 09:12:45 Reading:36

Oil sample inspection & mdash; & mdash; the performance parameters such as compression resistance and residue shall be carried out every three years. The long-term overload or overload of the transformer can reduce the cycle time.

1The secondary inductive equipment of the distribution station (such as transformer, voltage transformer, automobile relay, AC contactor, etc.) operates normally. According to the AC current, buzz & rdquo; Sound. The operation staff of the transformer manufacturer should understand and grasp the characteristics of the noise. When the equipment has common faults,Products Show there will be noise and even & ldquo; Crackle & rdquo; The charging and discharging sound can distinguish the generation and characteristics of common equipment faults according to the music law and sound transformation when everything is normal and abnormal.

lLa Concepción Before no-load impact closing,AlcadiasCode for installation of power transformersTest items the Ministry of finance and the data signal circuit of steam vehicle relay shall be temporarily connected to the pull-in circuit.

Transformer manufacturer

YProkopievskVisual inspection method for transformer inspection

ZbIn order to promote the use of energy-saving transformers, the Ministry of industry and information technology and the national development and Reform Commission jointly promulgated the detailed rules for the promotion and implementation of energy-saving distribution transformers of energy-saving products benefiting the people project as early as , providing subsidies of - yuan / KVA for energy-saving transformers.

How is the quality level of dry-type transformer compared with foreign countries?


During the operation of the transformer, the resistance value of the grounding wire shall be measured accurately every two years.

dThe switching power supply lacks one phase of power;

NAccording to statistics, to occupy the main global technical position,Power transformer price: 1000KVA, 33kV, 25kV, power transformer, oil immersed transformer, dry-type transformer factory the transformer industry depends on two key data, commodity volume and voltage level. As early as & ldquo; Eleventh Five Year Plan; In the early stage, China has been a powerful country in the production, manufacturing and application of dry-type transformers all over the world, but it is not a big country.

GQuotation sheetVisual inspection method for transformer inspection


For oil transformer oil replenishment, unused transformer oil conforming to the new standard should be selected first. In addition,Products Show the oil with the same basic same brand and same additive type is expected to have a stronger effect. The characteristics of the oil should not be lower than that of the oil in mechanical equipment. When the new remaining oil is less than %, there is generally no problem. However, if there is more new remaining oil, oil shall be added before oil type Chromatographic analysis and pressure test shall be carried out to establish that there is no oil stain,AlcadiasCode for installation of power transformersTest items and the acid value and dielectric loss shall not exceed the oil in the machinery and equipment.


What is the cause of power transformer core failure?

High valuevSlow promotion of domestic transformer Market

KWhen oil samples are used, the safety and fire safety technical specifications on the spot shall be strictly implemented.

The step-up dry-type transformer refers to the instantaneous operation of voltage. At this stage, there are few manufacturers of dry-type transformer that can reasonably guarantee the instantaneous step-up in China. The step-up dry-type transformer has strong step-up capacity and good practical effect. The difference depends on that the transformer power switch without excitation regulator does not have the ability to change gear with load. Because this kind of tap power switch can cut off the whole process in a short time during the whole process of gear change, cutting off the load current will cause arc burning between circuit breakers,Products Show tap power on and off or short circuit fault, so the dry-type transformer shall be powered off during regulation. Therefore, it is generally used as a dry-type transformer that is not very strict in voltage regulation and does not need to be adjusted frequently.

jLa Concepción The insulation between silicon steel sheets is damaged, resulting in overheating and melting of the iron core;

zNRelevant responsible persons of the transformer Federation of China Household Appliance Industry Association show that the development prospect of transformers in China in the future is still the development trend of environmental protection, low noise, fire safety and explosion-proof and high reliability. There are two key development prospects: one is the development trend of high voltage and high voltage, especially kV and kV. The second is the development trend towards environmental protection, energy conservation and miniaturization. The former key is applied to the long-distance substation project route, and the latter key is applied to the substation project route in big cities.

How is the quality level of dry-type transformer compared with foreign countries?

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