CN202384656U - Multifunctional voltage transformation cabinet - Google Patents
Multifunctional voltage transformation cabinet Download PDFInfo
- Publication number
- CN202384656U CN202384656U CN2011205611855U CN201120561185U CN202384656U CN 202384656 U CN202384656 U CN 202384656U CN 2011205611855 U CN2011205611855 U CN 2011205611855U CN 201120561185 U CN201120561185 U CN 201120561185U CN 202384656 U CN202384656 U CN 202384656U
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- CN
- China
- Prior art keywords
- voltage
- cabinet
- transformer
- output
- line
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- 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 - Lifetime
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Abstract
The utility model relates to a multifunctional voltage transformation cabinet. A first voltage mutual inductor and a second voltage mutual inductor for supplying commercial power are arranged in a voltage transformation cabinet body; the primary winding input ends of the first and the second voltage mutual inductors are connected with the input end of a high voltage line; and a third voltage mutual inductor is also arranged in the voltage transformation cabinet, and the primary winding input end of the third voltage mutual inductor is connected with the input end of the high voltage line; and three output ends of the secondary windings of the three voltage mutual inductors are three-phase output ends, and in addition, other three output ends are voltage detection output ends. The multifunctional voltage transformation cabinet integrates functions of detection, three-phase AC distribution and commercial power supply, and has the characteristics of low cost and convenience in installation and use.
Description
Technical field
The utility model relates to presses change cabinet technical field in the high tension distribution system, relate in particular to a kind of multi-functional pressure and become cabinet.
Background technology
In electric power system, high voltage power distributing cabinet plays effects such as break-make, control or protection in generating, transmission of electricity, distribution, electric energy conversion with in consuming, and is the electric equipment products of electric pressure at 3.6kV～550kV.The general high voltage power distribution cabinet comprises switch cubicle, electric elements, insulating part and secondary conducting terminal etc., has functions such as built on stilts turnover line, cable turnover line, bus contact.Electric elements commonly used in the cabinet have current transformer (CT) and voltage transformer (PT), and voltage transformer (PT) is used to change busbar voltage, and the output of power distribution cabinet is the voltage of voltage transformer (PT) secondary conversion or detects voltage.
At present, in transformer station, high voltage power distributing cabinet is used to detect the alternating current and the civil power that is used for the power distribution station interior distribution of busbar voltage through voltage transformer (PT) output; Need be but be provided with some in the existing power distribution station by the equipment of three-phase alternating current power supply, owing to the output that three-phase alternating current is not set in the power distribution cabinet, therefore; Need set up transformer comes changing voltage that secondary power supply is provided; And the transformer cost is higher, corresponding cabinet need be set again deposit, not only wasting space but also increased cost.
Summary of the invention
The utility model technical problem to be solved is to become the problems referred to above that cabinet exists to existing the pressure, provide a kind of cost low, take up room little, can provide simultaneously three-phase alternating current, civil power and bus mutually, the multi-functional pressure of line voltage detecting becomes cabinet.
For addressing the above problem, the technical scheme of the utility model is:
A kind of multi-functional pressure becomes cabinet; Comprise pressing and become cabinet cabinet and high-voltage line input; Be provided with first voltage transformer and second voltage transformer that is used to provide civil power in the said pressure change cabinet cabinet; A winding input of first voltage transformer and second voltage transformer links to each other with the high-voltage line input; Also be provided with the tertiary voltage instrument transformer in the said pressure change cabinet cabinet, a winding input of tertiary voltage instrument transformer links to each other with the high-voltage line input, and said first voltage transformer, second voltage transformer and tertiary voltage instrument transformer are three winding voltage instrument transformers; Three outputs are the three-phase electricity output in the secondary winding of said three voltage transformers, and other three outputs are the voltage detecting output.
Preferably, be connected with the 10kV high-tension electricity on the said high-voltage line input, said voltage detecting output is provided with phase voltage output and line voltage output end, line voltage output end output 100V line voltage.
Preferably, be provided with the civil power output between said three-phase electricity output and the ground wire.
Be compared to prior art; The multi-functional pressure of the utility model becomes cabinet and has bus phase, line voltage detecting end, three-phase alternating current output and mains-supplied end; The mains-supplied end can connect in the transformer station all power consumption devices and become cabinet operating power, electric consumption on lighting etc. as pressing, and has simplified the connection line of electric consumption on lighting; The three-phase alternating current output has satisfied the equipment that needs provide three-phase alternating current to supply power, and bus phase, line voltage detecting end have been optimized traditional detection mode, can reflect the operating state of bus more accurately; Multi-functional pressure becomes the detection of cabinet collection, three-phase alternating current distribution and mains-supplied function and is one, has cost characteristics low, easy to install.
Description of drawings
Fig. 1 is the fundamental diagram that the utility model multi-functional pressure becomes cabinet.
Embodiment
Below in conjunction with accompanying drawing and embodiment further explain the utility model, but the protection range of the utility model is not limited to this.
With reference to Fig. 1, the multi-functional pressure of the utility model becomes cabinet, comprises pressing becoming cabinet cabinet, high-voltage line input, the first voltage transformer YHa, the second voltage transformer YHb and tertiary voltage instrument transformer YHc.Be connected with the 10kV high-tension electricity on the high-voltage line input; Winding input A, B and the C of the first voltage transformer YHa, the second voltage transformer YHb and tertiary voltage instrument transformer YHc link to each other with the high-voltage line input through fusible link RD respectively, and the other end of a winding links to each other with ground wire.
The wherein said first voltage transformer YHa, the second voltage transformer YHb and tertiary voltage instrument transformer YHc are three winding voltage instrument transformers; Have secondary winding YHa ' 1 and auxiliary secondary winding YHa ' 2 on the first voltage transformer YHa, secondary winding YHa ' 1 and auxiliary secondary winding YHa ' 2 are respectively YMa and L1 through the corresponding output of fusible link RD.Have secondary winding YHb ' 1 and auxiliary secondary winding YHb ' 2 on the second voltage transformer YHb, secondary winding YHb ' 1 and auxiliary secondary winding YHb ' 2 are respectively YMb and L2 through the corresponding output of fusible link RD.Have secondary winding YHc ' 1 and auxiliary secondary winding YHc ' 2 on the tertiary voltage instrument transformer YHc, secondary winding YHc ' 1 and auxiliary secondary winding YHc ' 2 are respectively YMc and L3 through the corresponding output of fusible link RD.
Output YMa, YMb and YMc are the voltage detecting output, and the voltage detecting output is provided with high voltage bus phase voltage output and high voltage bus line voltage output end, high voltage bus line voltage output end output 100V line voltage.Output L1, L2 and L3 are the three-phase electricity output, are used to satisfy the equipment that needs provide three-phase alternating current to supply power in the transformer station.Said auxiliary secondary winding YHc ' 2 is provided with 220 civil power output L through fusible link RD, and civil power output L connects all electric consumption on lighting interfaces and becomes cabinet operating power interface with pressing, in order to the power supply of all power consumption devices in the daily transformer station to be provided.
The use of tertiary voltage instrument transformer YHc; Make to press and become the use amount that cabinet has reduced by a transformer; And transformer and voltage transformer cost between the two differs bigger; Use transformer to provide civil power inconvenience that busbar voltage detection and distributing function are integrated in the cabinet; And the utlity model has bus phase, line voltage detecting end, three-phase alternating current output and mains-supplied end, collection detection, three-phase alternating current distribution and mains-supplied function are one, make to press installation standard and the unification more that becomes cabinet.
Claims (3)
1. a multi-functional pressure becomes cabinet; Comprise pressing and become cabinet cabinet and high-voltage line input; Be provided with first voltage transformer and second voltage transformer that is used to provide civil power in the said pressure change cabinet cabinet; A winding input of first voltage transformer and second voltage transformer links to each other with the high-voltage line input, it is characterized in that, also is provided with the tertiary voltage instrument transformer in the said pressure change cabinet cabinet; A winding input of tertiary voltage instrument transformer links to each other with the high-voltage line input; Said first voltage transformer, second voltage transformer and tertiary voltage instrument transformer are three winding voltage instrument transformers, and three outputs are the three-phase electricity output in the secondary winding of said three voltage transformers, and other three outputs are the voltage detecting output.
2. multi-functional pressure according to claim 1 becomes cabinet, it is characterized in that be connected with the 10kV high-tension electricity on the said high-voltage line input, said voltage detecting output is provided with phase voltage output and line voltage output end, line voltage output end output 100V line voltage.
3. multi-functional pressure according to claim 1 becomes cabinet, it is characterized in that, is provided with the civil power output between said three-phase electricity output and the ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205611855U CN202384656U (en) | 2011-12-29 | 2011-12-29 | Multifunctional voltage transformation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205611855U CN202384656U (en) | 2011-12-29 | 2011-12-29 | Multifunctional voltage transformation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384656U true CN202384656U (en) | 2012-08-15 |
Family
ID=46633130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205611855U Expired - Lifetime CN202384656U (en) | 2011-12-29 | 2011-12-29 | Multifunctional voltage transformation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384656U (en) |
-
2011
- 2011-12-29 CN CN2011205611855U patent/CN202384656U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181206 Address after: 322000 No. 9 Qianyuan Road, 23li Street, Yiwu City, Jinhua City, Zhejiang Province Co-patentee after: Zhejiang Yiwu power supply Co., Ltd. Patentee after: Bafang Electric Branch of Yiwu Power Transmission and Transfer Engineering Co., Ltd. Co-patentee after: Yiwu Power Transmission and Distribution Engineering Co., Ltd. Address before: 322000 No. 180 Xicheng Road, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Yiwu Bafang Electric Power Equipment Manufacturing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |