CN206558336U - A kind of Multifunctional AC ground power transformer - Google Patents
A kind of Multifunctional AC ground power transformer Download PDFInfo
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- CN206558336U CN206558336U CN201720195515.0U CN201720195515U CN206558336U CN 206558336 U CN206558336 U CN 206558336U CN 201720195515 U CN201720195515 U CN 201720195515U CN 206558336 U CN206558336 U CN 206558336U
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- pressure winding
- low pressure
- multifunctional
- power transformer
- winding
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Abstract
The utility model discloses a kind of Multifunctional AC ground power transformer, including high pressure winding, the first low pressure winding, the second low pressure winding, off circuit tap changer, conservator and neutral point, described high pressure winding is arranged on the high-pressure side of Multifunctional AC electric power transformer；Multifunctional AC electric power transformer is provided with the first low pressure winding and the second low pressure winding, and the first low pressure winding and the second low pressure winding can be directly connected to load, can also access low-voltage electric energy quality controlling device, can also be directly accessed distributed energy.The various energy resources that the Multifunctional power transformer provide are accessed, the interface and passage of power quality controlling device access, while also providing the trend distribution mode after the access of the Optimum distribution formula energy.
Description
Technical field
The utility model is related to electric energy Treatment process field, and in particular to a kind of Multifunctional AC ground power transformer.
Background technology
Application of the power transformer in power system is widely.Power transformer can be changed to high-voltage variable low electricity
Low-voltage, can be also transformed to high voltage by pressure.
Power transformer is a kind of static electrical equipment, is for by the alternating voltage of a certain numerical value（Electric current）Become frequency
The voltage that rate identical is another or several numerical value are different（Electric current）Equipment.When first winding passes to alternating current, just produce
The magnetic flux of alternation, the magnetic flux of alternation is acted on by iron core magnetic conduction, and AC electromotive force is just induced in secondary winding.Secondary sensing
The height of electromotive force is relevant with the number of a secondary winding number of turn, i.e., voltage swing is directly proportional to the number of turn.Main function is transmission
Electric energy, therefore, rated capacity are its major parameters.Rated capacity is the usual value of a performance power, and it is to characterize transmission
The size of electric energy, is represented with kVA or MVA, when applying rated voltage to transformer, is determined according to it under prescribed conditions not
More than the rated current of temperature limit.The power transformer more saved is Amorphous Alloy Distribution Transformer, and its maximum is excellent
Point is that open circuit loss value spy is low.Open circuit loss value can finally be ensured, be that the core to be considered is asked in whole design process
Topic.When being arranged in product structure, except amorphous alloy core to be considered in itself not by the effect of external force in addition to, while calculate when also
The characterisitic parameter of the accurate Rational choice non-crystaline amorphous metal of palpus.
But AC power transformer of the conventional belt without field switch pressure regulation can only typically carry out voltage-regulation and it is necessary to
Adjusted after power failure.The problem of can not solving its higher harmonics and voltage frequent fluctuation after distributed energy access, distributed power source connects
Entering the voltage at back loading end can fluctuate with the fluctuation of load, therefore, in the urgent need to after distributed energy is accessed, to electricity matter
Amount is administered, including：Voltage pulsation, harmonic wave etc..
Utility model content
A kind of the technical problems to be solved in the utility model with being to provide Multifunctional AC power transformer is more using one kind
Function AC deposition power transformer, which solves traditional power transformer, can only typically carry out idle improvement, after distributed energy access
Harmonic wave is big, and Mobile state adjustment can not be entered by adding voltage after distributed power source access, and the safe and stable operation to power network brings very big
The problem of influence.
The technical scheme of offer of the present utility model is a kind of with providing Multifunctional AC power transformer, including high voltage winding
Group, the first low pressure winding, the second low pressure winding, off circuit tap changer, conservator and neutral point, described high pressure winding are arranged on
Multifunctional AC power transformer high-pressure side；First low pressure winding and the second low pressure winding are with being arranged on Multifunctional AC electric
The low-pressure side of power transformer, power quality controlling device is connected with second low pressure winding one end, and the first low pressure winding is respectively and electric
Can quality controlling device and distributed power source connection.
Described AC deposition power transformer is oil-filled transformer.
Described the first low pressure winding and the second low pressure winding is provided with independent grounding device.
Described off circuit tap changer be arranged on Multifunctional AC power transformer high-pressure side and with high-pressure side winding
Connection.
Described neutral point is connected with the earthing or grounding means of the first low pressure winding and the second low pressure winding respectively.
Described conservator is arranged in oil-filled transformer.
Using a kind of ground of Multifunctional AC obtained by the technical solution of the utility model power transformer, by high-pressure side
One group of high pressure winding is set, two groups of low pressure windings are set in low-pressure side, then electric energy is accessed in one group of low pressure winding wherein again
Quality controlling device, another group of low pressure winding is then connected with distributed power source and power quality controlling device respectively, due to connecing
Power quality controlling device is entered, power network can carry out idle dynamic compensation, and high-pressure side is for low-pressure side, short-circuit impedance
Basically identical, the two-way low pressure winding short-circuit impedance of low-pressure side is also more or less the same, and harmonic wave obtains one after access distributed power source
Determine the suppression of degree, voltage dynamically adjustment can be also carried out after distributed Voltage access.
Beneficial effect, compared with prior art, due to being provided with two low pressure windings in low-pressure side, one is convenient access electricity
Energy quality controlling device and distributed power source, have especially accessed after power quality controlling device, distributed power source can have been connect
The harmonic wave produced after entering is administered, and also the idle carry out Dynamic control of AC power transformer low-pressure side can also can adjust
The distribution of short circuit current flow after distributed power source access.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model；
Fig. 2 is structure chart of the present utility model；
Description of reference numerals：1st, off circuit tap changer, 2, conservator, 3, high pressure winding and sleeve pipe, the 4, first low pressure winding
And sleeve pipe, the 5, second low pressure winding and sleeve pipe, 6, neutral point.
Embodiment
Below in conjunction with the accompanying drawings and utility model is described further specific embodiment：
As shown in Fig. 1~2, a kind of Multifunctional AC ground power transformer, including it is off circuit tap changer 1, conservator 2, high
Winding 3, the first low pressure winding 4, the second low pressure winding 5 and neutral point 6 are pressed, described high pressure winding 3 is arranged on Multifunctional AC
The high-pressure side of ground power transformer；First low pressure winding 4 and the second low pressure winding 5 with being arranged on Multifunctional AC power transformer
Low-pressure side, power quality controlling device is connected with the one end of the second low pressure winding 5, and the first low pressure winding 4 is respectively and the quality of power supply
Controlling device and distributed power source connection.
Further AC deposition power transformer is oil-filled transformer, is had the advantage that：A, oil-filled transformer low pressure
Winding is in addition to low capacity uses copper conductor, typically all using copper foil around the cylinder mode taken out；High pressure winding is justified using multilayer
Core structure, is allowed to the ampere-turn distribution equilibrium of winding, and leakage field is small, and high mechanical strength, anti-short circuit capability is strong.
B, iron core and winding each employ security measure, the fastening part such as device height, low-voltage lead all band self-locking anti-loosings
Nut, employs and does not hang core structure, can bear the top shake of transport.
C, coil and unshakable in one's determination use are dried in vacuo, and transformer oil is made in transformer using vacuum oil filtering and the technique of oiling
The moisture in portion is minimized.
D, fuel tank use corrugated plate, and it has respiratory function and causes oily Volume Changes, institute because of temperature change to compensate
There is no oil conservater with the product, it is clear that reduce the height of transformer.
E, because corrugated plate instead of oil conservater, transformer oil is isolated from the outside, thus effectively prevent oxygen,
The entrance of moisture and cause the decline of insulating properties.
F, 5 performances more than, it is ensured that oil-filled transformer need not change oil in normal operation, substantially reduce
The maintenance cost of transformer, while extend the service life of transformer.
The further low pressure winding 5 of first low pressure winding 4 and second is provided with independent grounding device, ground connection be conducive to be
The safety of system.
Further off circuit tap changer 1 with being arranged on Multifunctional AC power transformer high-pressure side and with high-pressure side around
Group 3 is connected, and changes the transformer primary winding number of turn to reach the purpose of adjustment secondary voltage.
Further neutral point 6 is connected with the earthing or grounding means of the first low pressure winding 4 and the second low pressure winding 5 respectively, it is ensured that
The safety of system earth.
Further conservator 2 is arranged in oil-filled transformer, it is ensured that the Oil-temperature control of transformer.
During experiment, according to the technical solution of the utility model, high pressure winding and low pressure winding are carried out into arrangement and connected,
Earthing or grounding means is attached by ground wire to required earthed system, after installing off circuit tap changer, conservator, really
Protecting off circuit tap changer can normally use, and conservator oil mass is moderate, and power quality controlling device and distributed power source is equal
Connection is carried out according to the technical solution of the utility model, it is ensured that can be tested after whole is normal.
Using a kind of ground of Multifunctional AC obtained by the technical solution of the utility model power transformer, by high-pressure side
One group of high pressure winding is set, two groups of low pressure windings are set in low-pressure side, then electric energy is accessed in one group of low pressure winding wherein again
Quality controlling device, another group of low pressure winding is then connected with distributed power source and power quality controlling device respectively, due to connecing
Power quality controlling device is entered, power network can carry out idle dynamic compensation, and high-pressure side is for low-pressure side, short-circuit impedance
Basically identical, the two-way low pressure winding short-circuit impedance of low-pressure side is also more or less the same, and harmonic wave obtains one after access distributed power source
Determine the suppression of degree, voltage dynamically adjustment can be also carried out after distributed Voltage access.
Beneficial effect, compared with prior art, due to being provided with two low pressure windings in low-pressure side, one is convenient access electricity
Energy quality controlling device and distributed power source, have especially accessed after power quality controlling device, distributed power source can have been connect
The harmonic wave produced after entering is administered, and also the idle carry out Dynamic control of AC power transformer low-pressure side can also can adjust
The distribution of short circuit current flow after distributed power source access.
Claims (6)
1. a kind of Multifunctional AC ground power transformer, including high pressure winding, the first low pressure winding, the second low pressure winding, without encouraging
Magnetic shunting switch, conservator and neutral point, it is characterised in that：Described high pressure winding with being arranged on Multifunctional AC power transformer
High-pressure side；The low-pressure side of first low pressure winding and the second low pressure winding with being arranged on Multifunctional AC power transformer, electric energy
Quality controlling device is connected with second low pressure winding one end, the first low pressure winding respectively with power quality controlling device and distribution
Formula power supply is connected.
2. a kind of Multifunctional AC according to claim 1 ground power transformer, it is characterised in that：Described AC deposition electricity
Power transformer is oil-filled transformer.
3. a kind of Multifunctional AC according to claim 1 ground power transformer, it is characterised in that：The first described low pressure
Winding and the second low pressure winding are provided with separated transformer winding neutral point.
4. a kind of Multifunctional AC according to claim 1 ground power transformer, it is characterised in that：Described divides without excitation
Connect and switch with being arranged on Multifunctional AC power transformer high-pressure side and be connected with high-pressure side winding.
5. a kind of Multifunctional AC according to claim 1 ground power transformer, it is characterised in that：Described neutral point point
Not with the earthing or grounding means connection of the first low pressure winding and the second low pressure winding.
6. a kind of Multifunctional AC according to claim 1 ground power transformer, it is characterised in that：Described conservator is set
In oil-filled transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195515.0U CN206558336U (en) | 2017-03-02 | 2017-03-02 | A kind of Multifunctional AC ground power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195515.0U CN206558336U (en) | 2017-03-02 | 2017-03-02 | A kind of Multifunctional AC ground power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558336U true CN206558336U (en) | 2017-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195515.0U Active CN206558336U (en) | 2017-03-02 | 2017-03-02 | A kind of Multifunctional AC ground power transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN206558336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653319A (en) * | 2017-03-02 | 2017-05-10 | 贵州电网有限责任公司电力科学研究院 | Multifunctional alternating current power transformer |
-
2017
- 2017-03-02 CN CN201720195515.0U patent/CN206558336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653319A (en) * | 2017-03-02 | 2017-05-10 | 贵州电网有限责任公司电力科学研究院 | Multifunctional alternating current power transformer |
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