CN203812708U - Double-voltage-adjusting distribution transformer - Google Patents
Double-voltage-adjusting distribution transformer Download PDFInfo
- Publication number
- CN203812708U CN203812708U CN201420187121.7U CN201420187121U CN203812708U CN 203812708 U CN203812708 U CN 203812708U CN 201420187121 U CN201420187121 U CN 201420187121U CN 203812708 U CN203812708 U CN 203812708U
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- winding
- tap changer
- secondary winding
- case lid
- distribution transformer
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Abstract
The utility model relates to a double-voltage-adjusting distribution transformer. The distribution transformer can adjust the voltage of a power source side and protect the safety of electric equipment, and timely on-site dynamic reactive automatic compensating of loads can be carried out. According to the structure, an iron core is installed in an oil tank, a secondary winding is installed on the iron core, a primary winding is arranged outside the secondary winding, the primary winding is provided with a first tapping point and a second tapping point, the first tapping point is connected with an on-load tap changer, a leading-out joint of the on-load tap changer is connected with a fourth bushing insulator on a case cover, the second tapping point is connected with an off-circuit tap changer installed on the case cover, the two tapping points form a double-voltage-adjusting structure of the primary winding, the head of the first winding is connected with a first bushing insulator on the case cover, the head of the secondary winding is connected with a second bushing insulator on the case cover, and the tail of the secondary winding is connected with a third bushing insulator on the case cover. The distribution transformer is easy to install and use and good in effect, effectively improves the power coefficient, lowers loss of a distribution line, and improves the power supply quality.
Description
Technical field
The utility model relates to power equipment, particularly a kind of dual voltage regulating distribution transformer.
Background technology
Transformer is conventional equipment during electric power is carried, the most of equipped capacitor box of current domestic distribution transformer, adopt whole group or grouping switching capacitor mode to carry out phase-splitting or full phase reactive power compensation, often there is mending or owing to mend phenomenon, and capacitor switching produces overvoltage and shoves, and frequent operation can affect the life-span of capacitor and other electric equipment.
Separately there is a kind of line type voltage wattless automatic control device, the mode that adopts reactive automatic regulating apparatus to combine with variac, the main concentrated load auto-compensation as 10kV or 6kV distribution line, solve the low problem of line power factor, but can not meet the needs of the in good time auto-compensation of dynamic reactive on the spot of load, therefore, its improvement and bring new ideas is imperative.
Summary of the invention
For above-mentioned situation; for overcoming the defect of prior art; the object of the utility model is just to provide a kind of dual voltage regulating distribution transformer; not only can effectively solve mains side voltage-regulation; protect the safety problem of power consumption equipment, can also meet the problem of the in good time auto-compensation of the dynamic reactive on the spot needs of load.
The technical scheme that the utility model solves is, comprise fuel tank, a winding, secondary winding, iron core, on load tap changer and off circuit tap changer, case lid is arranged at fuel tank top, iron core is contained in fuel tank, secondary winding is sleeved on iron core, one time winding is sleeved on outside secondary winding, one time winding is provided with the first tap and the second tap, the first tap is connected with on load tap changer, on load tap changer is drawn joint and is connect the Quadruplet pipe insulator above case lid, the second tap is connected with the off circuit tap changer being contained on case lid, two set of taps form the Double regulating laminated structure of a winding, the first head of a winding is connected with the first bushing insulator on case lid, the first head of secondary winding is connected with the second bushing insulator on case lid, the tail head of secondary winding is connected with the 3rd bushing insulator on case lid.
The utility model is simple in structure, novel unique, easily installs and uses, effective, effectively improves power factor, reduces distribution line loss, improves power supply quality, has good economic and social benefit.
Accompanying drawing explanation
Fig. 1 is structure vertical view of the present utility model.
Fig. 2 is structural front view of the present utility model.
Fig. 3 is circuit connection diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
Shown in Fig. 1-3, the utility model comprises fuel tank, a winding, secondary winding, iron core, on load tap changer and off circuit tap changer, case lid 17 is arranged at fuel tank 19 tops, iron core 2 is contained in fuel tank, secondary winding 1 is sleeved on iron core, one time winding 3 is sleeved on outside secondary winding, one time winding 3 is provided with the first tap 4 and the second tap 5, the first tap 4 is connected with on load tap changer 6, on load tap changer 6 is drawn joint and is connect the Quadruplet pipe insulator 11 above case lid, the second tap 5 is connected with the off circuit tap changer 7 being contained on case lid, two set of taps form the Double regulating laminated structure of a winding, the first head of a winding 3 is connected with the first bushing insulator 8 on case lid, the first head of secondary winding 1 is connected with the second bushing insulator 9 on case lid, the tail head of secondary winding 1 is connected with the 3rd bushing insulator 10 on case lid.
In order to guarantee result of use, a described winding 3 is divided into first winding, second winding, a tertiary winding, a plurality of pressure regulation joint a that first winding has first A and is connected with on load tap changer 6
1-a
9, a plurality of pressure regulation joint b that second winding has first B and is connected with on load tap changer 6
1-b
9, a plurality of pressure regulation joint c that tertiary winding has first C and is connected with on load tap changer 6
1-c
9, a winding first A, B, C connect respectively 3 the first bushing insulators 8 above case lid; Described secondary winding 1 consists of 3 sub-windings, and 3 sub-windings first a, b of secondary winding, c connect respectively 3 the second bushing insulators 9 on case lid, and the tail head O of secondary winding is connected with the 3rd bushing insulator 10 on case lid.
The heat abstractor 15 being comprised of corrugated plate is housed on described fuel tank front-back and left surface, on right flank, be provided with the terminal box 13 of placing oil level, pressure, temperature control protective device terminal, the top of fuel tank is provided with the oil level indicator 12 with pressure relieving valve and the thermostat 14 stretching in transformer oil, base 20 is arranged at bottom, and fuel tank lower side has oil sample valve 18; Described Quadruplet pipe insulator 11 is connected with reactive auto-compensator 16.
The utility model is when reality is implemented, dual voltage regulating distribution transformer has secondary winding 1, a winding 3 to be enclosed within successively on iron core 2 and to be built in fuel tank, a described winding has the first tap 4 to be connected with on load tap changer 6, and the second tap 5 is connected with off circuit tap changer 7; 3 first A of a winding of Fig. 3 are connected with the A of Fig. 1,2 first bushing insulators 8, and 3 first B of a winding of Fig. 3 are connected with the B of Fig. 1,2 first bushing insulators 8, and 3 first C of a winding of Fig. 3 are connected with the C of Fig. 1,2 first bushing insulators 8; Fig. 3 on load tap changer 6 leading-out end Am are connected with the Am of Fig. 1,2 Quadruplet pipe insulators 11, Fig. 3 on load tap changer 6 leading-out end Bm are connected with the Bm of Fig. 1,2 Quadruplet pipe insulators 11, and Fig. 3 on load tap changer 6 leading-out end Cm are connected with the Cm of Fig. 1,2 Quadruplet pipe insulators 11; 1 first a of Fig. 3 secondary winding is connected with a of Fig. 1,2 second bushing insulators 9,1 first b of Fig. 3 secondary winding is connected with the b of Fig. 1,2 second bushing insulators 9,1 first c of Fig. 3 secondary winding is connected with the c of Fig. 1,2 second bushing insulators 9, and Fig. 3 secondary winding 1 tail head 0 is connected with Fig. 1,2 the 3rd bushing insulators 10.
Operation principle of the present utility model is, winding can dual pressure regulation, and a winding, by load tap changer, provides and carries a pressure-adjustable power supply; Pass through off circuit tap changer, provide without excitation pressure-adjustable power supply, in the situation that dual voltage regulating distribution transformer secondary winding connects the normal operation of user load, by the dynamic reactive power automatic compensation device being connected with winding on load tap changer, according to loading condition in good time, dynamically, regulation voltage continuously, change idle output capacity, thereby realize local compensation, improve quality of voltage and power factor.
It is a kind of for solving the electric power system load dynamic reactive dual voltage regulating distribution transformer of auto-compensation problem on the spot that the utility model provides, be characterized in that winding of distribution transformer includes voltage adjustment of on-load part and non-excitation pressure adjustment part, be respectively dynamic reactive power automatic compensation device and provide pressure-adjustable power supply with general load.When dual voltage regulating distribution transformer bringing onto load operation, dynamic reactive power automatic compensation device is the in good time auto-compensation on the spot of load, thereby improve power factor, reduce distribution line loss, improve power supply quality, through off circuit tap changer, carry out voltage-regulation, to adapt to the fluctuation of line voltage, proof load side output voltage stabilization within the specific limits, significantly improves user's economic benefit, is the innovation on transformer.
Claims (4)
1. a dual voltage regulating distribution transformer, comprise fuel tank, a winding, secondary winding, iron core, on load tap changer and off circuit tap changer, it is characterized in that, case lid (17) is arranged at fuel tank (19) top, iron core (2) is contained in fuel tank, secondary winding (1) is sleeved on iron core, a winding (3) is sleeved on outside secondary winding, a winding (3) is provided with the first tap (4) and the second tap (5), the first tap (4) is connected with on load tap changer (6), on load tap changer (6) is drawn joint and is connect the Quadruplet pipe insulator (11) above case lid, the second tap (5) is connected with the off circuit tap changer (7) being contained on case lid, two set of taps form the Double regulating laminated structure of a winding, the first head of a winding (3) is connected with the first bushing insulator (8) on case lid, the first head of secondary winding (1) is connected with the second bushing insulator (9) on case lid, the tail head of secondary winding (1) is connected with the 3rd bushing insulator (10) on case lid.
2. dual voltage regulating distribution transformer according to claim 1, it is characterized in that, a described winding (3) is divided into first winding, second winding, a tertiary winding, a plurality of pressure regulation joint a that first winding has first A and is connected with on load tap changer (6)
1-a
9, a plurality of pressure regulation joint b that second winding has first B and is connected with on load tap changer (6)
1-b
9, a plurality of pressure regulation joint c that tertiary winding has first C and is connected with on load tap changer (6)
1-c
9, a winding first A, B, C connect respectively 3 the first bushing insulators (8) above case lid.
3. dual voltage regulating distribution transformer according to claim 1, it is characterized in that, described secondary winding (1) consists of 3 sub-windings, 3 sub-windings first a, b of secondary winding, c connect respectively 3 the second bushing insulators (9) on case lid, and the tail head O of secondary winding is connected with the 3rd bushing insulator (10) on case lid.
4. dual voltage regulating distribution transformer according to claim 1; it is characterized in that; the heat abstractor (15) being comprised of corrugated plate is housed on described fuel tank front-back and left surface; on right flank, be provided with the terminal box (13) of placing oil level, pressure, temperature control protective device terminal; the top of fuel tank is provided with the oil level indicator with pressure relieving valve (12) and the thermostat (14) stretching in transformer oil; base (20) is arranged at bottom, and fuel tank lower side has oil sample valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187121.7U CN203812708U (en) | 2014-04-17 | 2014-04-17 | Double-voltage-adjusting distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187121.7U CN203812708U (en) | 2014-04-17 | 2014-04-17 | Double-voltage-adjusting distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812708U true CN203812708U (en) | 2014-09-03 |
Family
ID=51451428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420187121.7U Expired - Fee Related CN203812708U (en) | 2014-04-17 | 2014-04-17 | Double-voltage-adjusting distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783109A (en) * | 2017-02-07 | 2017-05-31 | 河南森源电气股份有限公司 | A kind of Inverter Experimental transformer |
-
2014
- 2014-04-17 CN CN201420187121.7U patent/CN203812708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783109A (en) * | 2017-02-07 | 2017-05-31 | 河南森源电气股份有限公司 | A kind of Inverter Experimental transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20160417 |