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EltjalSingle phase oil immersed transformerReasonable price guidelines

Article author:Eltjal issuing time:2022/05/12 09:09:44 Reading:77

At rated power, the ratio of output power to input power of transformer is called the efficiency of transformer, its output voltage is directly proportional to the coil turn ratio of the output input solenoid coil. If a rechargeable battery is used, because it is DC, add a circuit in the input power supply circuit to change it into a continuously changing voltage. In that way the alternating DC current can be obtained at the output end.

dEltjalThe electromagnetic coil is wound with copper power wire or foil and lifted with glass fiber. The epoxy adhesive does not need filling. The vacuum drying equipment is used for degassing and dehumidification. The overall concrete is poured with high fracture toughness, resistance to short-circuit faults,Products Show common faults and impact. The work is diligent.

Protection mode for type selection of dry-type test transformer

STonghaiOnce the insulation material of electrical equipment is overheated,EsperantoScb18 dry type transformerNeed to be ready for emergencies the surrounding gas will cause a kind of odor. This kind of odor can be sniffed out by normal patrol staff. When you smell such odor during normal inspection, you should carefully inspect the equipment and parts with overtemperature until you find out the cause.

WwOvertemperature alarm and trip: collect winding or iron core temperature data signals according to the temperature measurement resistor of PTC discrete system thermistor embedded in the bottom voltage winding. When the transformer winding temperature rises again, if it reaches ℃, the system software outputs the overtemperature alarm system; If the temperature rises to ℃ again and the transformer can no longer operate, the overtemperature trip data signal must be transported to the secondary maintenance circuit, and the transformer shall be tripped quickly.

The specific contents include eliminating the shortcomings found in the patrol inspection, cleaning the porcelain waterproof casing, removing and replacing the cracked or brittle leather pad, checking and tightening the nodes,Products Show replenishing the oil with less oil, checking and replacing the silica gel of the breathing mask, etc.


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In fact, apart from the application of the Finance Bureau, the industry has been trying to formulate and upgrade transformer commodities according to the specifications, so as to promote the improvement of energy consumption level of transformer commodities.

iIf the oil immersed transformer is burned by the cover of the transformer, when the oil immersed transformer fails, the lower side of the transformer shall be opened and appropriate parts shall be placed. When the oil immersed transformer is on fire, the oil cannot be released to avoid explosion of the oil immersed transformer. At the same time, use detection equipment to put out the fire immediately. In order not to expand the hazard,Products Show the fire brigade must be notified.

XUnder normal conditions, different oil-based oils cannot be mixed. Under special circumstances,EsperantoScb18 dry type transformerNeed to be ready for emergencies if it is necessary to use new oil of different grades, it should be determined whether the mixed oil with ice degree can be used according to the requirements of the region, and then the oil mixing test should be carried out.

FdemandMaintenance contents of power transformer

lJTransformer inspection ear

The secondary inductive equipment of the distribution station (such as transformer, voltage transformer, automobile relay, etc.) operates normally. According to the AC current, the winding transformer core will send out a symmetrical rhythm and a certain tone & ldquo; Buzz, 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.


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The common dry-type transformer is an important electrical equipment,Power transformer price: 1000KVA, 33kV, 25kV, power transformer, oil immersed transformer, dry-type transformer factory and the voltage is constantly regulated. However, because of certain necessity, the dry-type transformer will also boost voltage, and the whole process of boosting voltage is very complex, and there are many principles.

Job descriptionoAt that time, only a few companies in China could produce kV high-voltage transformers, and the market share of high-voltage transformers was basically monopolized by overseas leaders.

CSome are tied with plastic tape, and some immediately press the two edges together, because the socket can not be pressed firmly during installation, so it can not have sealing effect, and it is still oil leakage.

It can be seen from the above that from the perspective of power saving, in some cases, transformers & ldquo; A small horse pulls a small car & rdquo; Cant compare with & ldquo; Middle car & rdquo;, Even less than & ldquo; Great Lars, little dragons & rdquo;, Therefore, the loss of transformer full load and load must be considered in the calculation, and the results can be properly made in terms of power saving or power consumption. According to the correlation between the load rate and the transformer capacity: . The transformer load rate and power saving will be brought into the formula: the load index of the transformer that is, the operating load and rated capacity of the transformer . Now it is illustrated by examples that both sides of the acadc al electron touch toe ground type seek the derivative of P and then reduce the active power loss of the large capacity transformer from the active power loss of the small capacity transformer, that is, the formula: Subtraction formula is used to calculate the detailed formula for saving transformer output power: when the transformer operation loss is small and the rate is large, the load index is the load index, and when the specific copper loss is equivalent to iron loss, the rate is large.

xEltjalThe cycle time of power-off cleaning and inspection shall be determined according to the surrounding environment and load conditions, according to the magnetic induction line of the transformer ferrite core, its orientation and size change which promotes the internal molecular structure of the ferrite core to rub against each other, releases energy, and then loses part of electromagnetic energy, which is the hysteresis loss. The other is the vortex loss when the transformer is working.

The rate of transformer is: n = P / pxo%, that is, when the copper loss of transformer is equivalent to iron loss, the rate is very large. Therefore, the load of transformer is: = P / PK. Fully consider the active power loss caused by the transmission of reactive power in the system software during transformer operation. The load adjustment is: it can be seen from the calculation of load formula that the large rate of transformer does not occur when the load is full, Generally, it is about %, but when selecting the transformer capacity, we should select effective transformers according to the load condition and load

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