CN201298442Y - Capacitance-adjustable electric power transformer - Google Patents
Capacitance-adjustable electric power transformer Download PDFInfo
- Publication number
- CN201298442Y CN201298442Y CNU2008202205006U CN200820220500U CN201298442Y CN 201298442 Y CN201298442 Y CN 201298442Y CN U2008202205006 U CNU2008202205006 U CN U2008202205006U CN 200820220500 U CN200820220500 U CN 200820220500U CN 201298442 Y CN201298442 Y CN 201298442Y
- Authority
- CN
- China
- Prior art keywords
- voltage coil
- transformer
- voltage
- adjustable low
- star
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
A capacitance-adjustable electric power transformer is a voltage regulating line consisting of a set of star-angle switching switches and adjustable low-voltage coils a, b, c. which limits the output power when adjusting the volume. The connection among the star-angle switching switch, a high-voltage phase line and the adjustable low-voltage coil is: when the volume is full, the high-voltage phase line is respectively connected to contacts 1, 2, 3 and 4 of the star-angle switching switch; when the volume is adjusted, the high-voltage phase line is connected with the contacts 2, 3, 4 and 5 of the star-angle switching switch, and tail heads x3, y3 and z3 are welded to led to be a neutral line. This utility model makes the transformer usage be more reasonable via adjusting the volume, thereby improving the efficiency, making the transformer satisfy demands of different loads, improving the power supply quality, making the transformer work in the best state and reducing the loss.
Description
Technical field
The utility model relates to a kind of power transformer, a kind of specifically capacity transfer amount power transformer.
Technical background
In China, electrical network have summer and winter power load big, spring and the little characteristics of power load in autumn, its capacity of common power transformer is fixed, and can not regulate according to the operating load situation, the low power consumption phase no-load loss of transformer is big.If select the little transformer of capacity for use, may be not enough when heavy duty, the overload phenomenon appears; If select transformer capacious for use, too many or too much for use again during underloading, cause waste, and cause voltage higher, no-load loss increases relatively, reduces the useful life of power consumption equipment.Select for use the product of two different capabilities to switch the method for using, increase extra equipment again, increase cost, cause waste, do not gear to actual circumstances according to the electricity consumption situation.Therefore, in order to solve the big problem of low power consumption phase transformer noload losses in the electrical network, need provide a kind of can pondage, improve the power transformer of service efficiency.
Summary of the invention
The purpose of this utility model is the deficiency that solves the problems of the technologies described above, provide a kind of can pondage, improve the power transformer of service efficiency.
The utility model is the deficiency that solves the problems of the technologies described above, the technical scheme that is adopted is: a kind of capacity transfer amount power transformer, by one group of star angle change over switch and adjustable low-voltage coil a, b, the voltage regulating line that c formed, when adjusting, capacity carries out the power output restriction, described star angle change over switch and high pressure phase line A, B, C and adjustable low-voltage coil a, b, the connection of c is: during full capacity, high pressure phase line A, B, C meets star angle change over switch contact 1.2.3.4 respectively, adjustable low-voltage coil a, b, the a1 of c, b1 or c1 respectively with a2, b2 or c2 parallel connection, adjustable low-voltage coil a, b, c and sleeve pipe connect and compose leading-out terminal, x1, y1 or z1 respectively with x2, after y2 or the z2 parallel connection, again respectively with a3, b3 or c3 connect, tail head x3, y3 and z3 welding lead to zero line; During the capacity transfer amount, high pressure phase line A, B, C meet star angle change over switch contact 2.3.4.5 respectively, a1, b1 or the c1 of adjustable low-voltage coil a, b, c are connected with sleeve pipe, constitute leading-out terminal, x1, y1 or z1 are respectively with after x2, y2 or z2 connect, a2, b2 or c2 are connected with a3, b3 or c3 respectively, and tail head x3, y3 and z3 welding lead to zero line.
The utility model, during full capacity, the total number of turns of each low-voltage coil a, b or c is I+II+III.
The utility model, during the capacity transfer amount, the total number of turns of each low-voltage coil a, b or c is 2 (I+II)+III.
The utility model by adjusting the annexation that low-voltage coil is lifted one's head, can change the connected mode of low-voltage coil, thereby changes the number of turn of low-voltage coil, to reach the purpose of adjusting transformer capacity.
The beneficial effects of the utility model are:
1, by pondage, makes the transformer utilization more reasonable, improved efficient.
2, make transformer can satisfy the needs of different load, improved power supply quality.
3, make transformer in optimum state work, reduced loss.
Description of drawings
Fig. 1 is the utility model high-tension coil winding diagram.
Fig. 2 is the utility model low-voltage coil winding diagram.
Fig. 2 is that schematic diagram is lifted one's head in the wiring of the utility model low-voltage coil a.
Embodiment
A kind of capacity transfer amount power transformer by the voltage regulating line that one group of star angle change over switch and adjustable low-voltage coil a, b, c are formed, carries out the power output restriction when capacity is adjusted.
In conjunction with the accompanying drawings, be example with the 315KVA capacitance-adjustable transformer, the annexation of star angle change over switch and high pressure phase line A, B, C and adjustable low-voltage coil a, b, c is described.
When full capacity 315KVA, high pressure phase line A, B, C connect switch contact 1,2,3,4 respectively, can carry out the adjusting of specified ± 5%.And this moment low-voltage coil line be that a1 is in parallel with a2 for a and sleeve pipe are connected to leading-out terminal, link to each other with a3 again after x1 and the x2 parallel connection, promptly be together in series, total number of turns is I+II+III.Tail head x3 leads to zero line.
When with part capacity 100KVA, high pressure phase line A, B, C connect switch contact 2,3,4,5 respectively, can carry out the adjusting of specified ± 5%.And this moment low-voltage coil line be that a1 directly is connected to leading-out terminal a with sleeve pipe, x1 and x2 series connection afterwards a2 link to each other with a3 again, promptly are together in series, total number of turns is 2 (I+II)+III.Tail head x3 leads to zero line.
The utility model by changing the connected mode that low-voltage coil is lifted one's head, is adjusted the number of turn of low-voltage coil, to reach the purpose of adjusting transformer capacity.
Claims (1)
1, a kind of capacity transfer amount power transformer, it is characterized in that: by one group of star angle change over switch and adjustable low-voltage coil a, b, the voltage regulating line that c formed, when adjusting, capacity carries out the power output restriction, described star angle change over switch and high pressure phase line A, B, C and adjustable low-voltage coil a, b, the connection of c is: during full capacity, high pressure phase line A, B, C meets star angle change over switch contact 1.2.3.4 respectively, adjustable low-voltage coil a, b, the a1 of c, b1 or c1 respectively with a2, b2 or c2 parallel connection, adjustable low-voltage coil a, b, c and sleeve pipe connect and compose leading-out terminal, x1, y1 or z1 respectively with x2, after y2 or the z2 parallel connection, again respectively with a3, b3 or c3 connect, tail head x3, y3 and z3 welding lead to zero line; During the capacity transfer amount, high pressure phase line A, B, C meet star angle change over switch contact 2.3.4.5 respectively, a1, b1 or the c1 of adjustable low-voltage coil a, b, c are connected with sleeve pipe, constitute leading-out terminal, x1, y1 or z1 are respectively with after x2, y2 or z2 connect, a2, b2 or c2 are connected with a3, b3 or c3 respectively, and tail head x3, y3 and z3 welding lead to zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202205006U CN201298442Y (en) | 2008-10-30 | 2008-10-30 | Capacitance-adjustable electric power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202205006U CN201298442Y (en) | 2008-10-30 | 2008-10-30 | Capacitance-adjustable electric power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298442Y true CN201298442Y (en) | 2009-08-26 |
Family
ID=41044429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202205006U Expired - Fee Related CN201298442Y (en) | 2008-10-30 | 2008-10-30 | Capacitance-adjustable electric power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298442Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243793A (en) * | 2018-10-31 | 2019-01-18 | 常州太平洋电力设备(集团)有限公司 | A kind of capacity transfer tractive transformer |
-
2008
- 2008-10-30 CN CNU2008202205006U patent/CN201298442Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243793A (en) * | 2018-10-31 | 2019-01-18 | 常州太平洋电力设备(集团)有限公司 | A kind of capacity transfer tractive transformer |
| CN109243793B (en) * | 2018-10-31 | 2024-04-26 | 常州太平洋电力设备(集团)有限公司 | Capacity-adjustable traction transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102651273B (en) | Arcless on-load volume regulation and voltage regulation distribution transformer | |
| CN202258746U (en) | On-load capacity-regulating transformer | |
| CN202067649U (en) | On-load capacity-regulating power transformer | |
| CN201298442Y (en) | Capacitance-adjustable electric power transformer | |
| CN102136354B (en) | Large-range on-load tap changer (OLTC) for testing | |
| CN202159568U (en) | Three-level on-load adjusting capacity distribution transformer | |
| CN2901524Y (en) | Variable magnetic flux series and parallel regulating capacity transformer | |
| CN101425366A (en) | Dry power transformer | |
| CN114285341B (en) | Transient optimization control system and method for electric electronic on-load arcless capacity-regulating transformer | |
| CN203481024U (en) | Intelligent voltage-adjusting capacity-adjusting transformer | |
| CN201332008Y (en) | Amorphous alloy on-load variac | |
| CN201489964U (en) | Large-capacity arc furnace transformer | |
| CN201562573U (en) | Self-coupling low-voltage dual-voltage on-load voltage-regulating transformer | |
| CN201465772U (en) | Structure of T-shaped wiring traction transformer | |
| CN200944344Y (en) | On-load regulating capacitor transformer | |
| CN109741924B (en) | Traction transformer | |
| CN203491073U (en) | On-load capacity regulating transformer | |
| CN201859771U (en) | High-multiplying-power composite transformation ratio current transformer | |
| CN2901525Y (en) | Variable magnetic flux regulating capacity transformer | |
| CN2888617Y (en) | Power distribution transformer which can be connected to two kinds of grids | |
| CN201365125Y (en) | High-voltage electricity-saving voltage regulator | |
| CN201340782Y (en) | Oil-immersed type distribution transformer with 10KV and 20KV voltage conversion input | |
| CN200953281Y (en) | Three-cracking driving rectifier transformer | |
| CN104124044A (en) | Capacity-adjusting and voltage-adjusting three-phase transformer | |
| CN208507421U (en) | A kind of grounding transformer with sub-coil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20101030 |