CN213242223U - 220kV single-phase high-voltage shunt reactor - Google Patents
220kV single-phase high-voltage shunt reactor Download PDFInfo
- Publication number
- CN213242223U CN213242223U CN202022662336.8U CN202022662336U CN213242223U CN 213242223 U CN213242223 U CN 213242223U CN 202022662336 U CN202022662336 U CN 202022662336U CN 213242223 U CN213242223 U CN 213242223U
- Authority
- CN
- China
- Prior art keywords
- voltage
- bushing
- box body
- neutral point
- shunt reactor
- 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.)
- Active
Links
Images
Landscapes
- Transformer Cooling (AREA)
Abstract
The utility model discloses a 220kV single-phase high-voltage shunt reactor, which comprises a box body, wherein a single-phase winding is arranged in the box body, the top of the box body is respectively provided with a high-voltage bushing and a neutral point bushing, the neutral point bushing is obliquely arranged at the top of the box body, and the high-voltage bushing is vertically arranged at the top of the box body; the neutral wire of the single-phase winding penetrates out of the neutral point bushing, and the high-voltage wire of the single-phase winding penetrates out of the high-voltage bushing. The single-phase high-voltage parallel reactor can adapt to a 220kV single-phase high-voltage parallel reactor with the altitude of no more than 5000 m.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to single-phase high-voltage shunt reactor of 220 kV.
Background
The shunt reactor is an important device in a high-distance power transmission and transformation system, and mainly has the functions of compensating a long-line capacitance effect, improving power factors to improve power supply quality, limiting voltage rise to protect electric equipment, reducing line loss and maintaining reactive power balance.
At present, a 500kV single-phase high-voltage parallel reactor is widely applied to the field of domestic power plants and substations and used as line reactive compensation equipment, and a 220kV single-phase high-voltage parallel reactor has no operation precedent and no related equipment information in China. For 220kV long-distance transmission lines, a line shunt reactor is also arranged in a starting end (terminal) transformer substation of the line to serve as reactive compensation equipment so as to meet the requirements of a power system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the 220kV single-phase high-voltage parallel reactor can adapt to a 220kV single-phase high-voltage parallel reactor with an altitude of no more than 5000 m.
The utility model adopts the technical scheme as follows:
the utility model discloses a main valve body group becomes special cover frock of moving back has following beneficial effect:
a220 kV single-phase high-voltage parallel reactor comprises a box body, wherein a single-phase winding is installed in the box body, a high-voltage bushing and a neutral point bushing are respectively arranged at the top of the box body, the neutral point bushing is obliquely arranged at the top of the box body, and the high-voltage bushing is vertically arranged at the top of the box body; the neutral wire of the single-phase winding penetrates out of the neutral point bushing, and the high-voltage wire of the single-phase winding penetrates out of the high-voltage bushing.
Preferably, based on the condition that the altitude is 4700m, the voltage of a wire of a high-voltage wire passing through the high-voltage bushing is 220kV, and the voltage of a wire of a center wire passing through the neutral bushing is 66 kV; the space distance between the charged part of the neutral point sleeve and the charged part of the high-voltage sleeve is more than or equal to 2800 mm; the minimum electrical distance between the electrified part of the neutral point sleeve and the box body is larger than or equal to 1200 mm.
Preferably, the side surface of the box body is connected with the radiator through an oil pipeline.
Preferably, the cooling mode of the radiator is ONAN cooling.
Preferably, an oil conservator is installed at the top of the box body.
Preferably, the side surface of the box body is also provided with an oil mark pipe.
The utility model discloses a 220kV single-phase high-voltage shunt reactor has following beneficial effect:
1) the reactive compensation device can be used for a 220kV long-distance power transmission line, and a line shunt reactor is required to be arranged in a starting end (terminal) transformer substation of the line to serve as reactive compensation equipment so as to meet the requirement of a power system.
2) According to the voltage condition, setting a proper space distance between the charged part of the neutral point bushing and the charged part of the high-voltage bushing; setting the minimum electrical distance between the electrified part of the neutral point bushing and the box body 1; each part meets the requirement of the electrified safe distance, and the safety of the equipment is ensured. Meanwhile, the neutral point bushing and the box body are obliquely arranged at a certain included angle, and the high-voltage bushing is arranged perpendicular to the box body. These settings are for the purpose of facilitating control of the safe distance of the charged part.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a left side view of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-a box body; 2-high voltage bushing; 3-neutral point bushing; 4-oil conservator, 5-radiator.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Example 1
A220 kV single-phase high-voltage shunt reactor comprises a box body 1, wherein a single-phase winding is installed in the box body 1, a high-voltage bushing 2 and a neutral point bushing 3 are respectively arranged at the top of the box body 1, the neutral point bushing 3 is obliquely arranged at the top of the box body 1, and the high-voltage bushing 2 is vertically arranged at the top of the box body 1; the neutral wire of the single-phase winding passes out of the neutral point bushing 3 and the high-voltage wire of the single-phase winding passes out of the high-voltage bushing 2. The utility model provides a single-phase high pressure shunt reactor of 220kV can be used to 220kV long distance transmission line, need set up circuit shunt reactor in the top (terminal) transformer substation of circuit and regard as reactive compensation equipment in order to satisfy the power system requirement, compensate present internal vacancy that does not have single-phase high pressure shunt reactor to 220kV long distance transmission line and put into operation.
Example 2
Based on the above embodiment 1, as shown in fig. 1 to 3, when the altitude is 4700m, the voltage of the wire of the high-voltage wire passing through the high-voltage bushing 2 is 220kV, and the voltage of the wire of the center wire passing through the neutral bushing 3 is 66 kV; the space distance between the charged part of the neutral point bushing 3 and the charged part of the high-voltage bushing 2 is more than or equal to 2800 mm; the minimum electrical distance between the electrified part of the neutral point sleeve 3 and the box body 1 is more than or equal to 1200 mm. This example illustrates that the voltage of the high voltage wire passing out of the high voltage bushing 2 is 220kV, and the voltage of the wire passing out of the neutral point bushing 3 is 66 kV; according to the voltage condition, the space distance between the charged part of the neutral point bushing 3 and the charged part of the high-voltage bushing 2 is set to be more than or equal to 2800 mm; the minimum electrical distance between the electrified part of the neutral point sleeve 3 and the box body 1 is more than or equal to 1200 mm. All the parts meet the requirement of the electrified safe distance, and the safety of the equipment is ensured. And simultaneously, the utility model discloses in, neutral point sleeve pipe 3 is arranged with box 1 tilt to have the contained angle, and high-tension bushing 2 perpendicular box 1 arranges. These settings are for the purpose of facilitating control of the safe distance of the charged part.
Example 3
Based on the above embodiment 1, as shown in fig. 2 to 3, the side surface of the case 1 is connected to the radiator 5 through an oil pipe. In the embodiment, it is explained that the side surface of the box body 1 is connected with the radiator 5 through the oil pipeline for radiating the box body 1, and the radiator 5 and the box body 1 can be separated from each other by a certain distance through the connection of the oil pipeline and the radiator 5, so that the installation of the high-voltage shunt reactor sound-insulating cover is facilitated. In the present embodiment, the structure of the heat sink 5 is a heat sink structure commonly used in reactors, and is well known in the art, and will not be described in detail here.
Example 4
Based on the above embodiment 3, the cooling manner of the heat sink 5 is ONAN cooling. In this embodiment, the cooling method specifically described is ONAN cooling, which is a cooling means well known to those skilled in the art and will not be described in detail herein.
Example 5
Based on the above embodiments 1 to 4, as shown in fig. 1 to 3, the top of the tank 1 is provided with an oil conservator 4. In this embodiment, the top of the tank 1 is further provided with an oil conservator 4, and when the volume of oil in the tank 1 of the reactor expands or shrinks along with the temperature of the oil, the oil conservator 4 plays a role in storing the oil or supplementing the oil in time, so as to ensure that the reactor tank 1 is filled with the oil; meanwhile, the oil conservator 4 is arranged at the top of the box body 1, so that the contact area of oil and air is reduced by the reactor, and the degradation speed of the oil can be reduced.
Example 6
Based on the above embodiment 5, the oil conservator 4 is further provided with an oil level indicator pipe on the side surface. In this embodiment, the oil conservator 4 is also provided on its side with a dip tube, a ferromagnetic oil level gauge commonly used by those skilled in the art, whose structure is well known to those skilled in the art and will not be described in detail herein, and which functions to monitor the oil level variation, with a volume around 1/10 of the volume of reactor oil, based on the visual level during winter rest and the absence of spillage during summer peak loads. The indicated value for the ferromagnetic oil level gauge should correspond to the temperature-oil level curve on the transformer body.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. The 220kV single-phase high-voltage shunt reactor is characterized by comprising a box body (1), wherein a single-phase winding is installed in the box body (1), a high-voltage bushing (2) and a neutral point bushing (3) are respectively arranged at the top of the box body (1), the neutral point bushing is obliquely arranged at the top of the box body (1), and the high-voltage bushing (2) is vertically arranged at the top of the box body (1); the neutral wire of the single-phase winding penetrates out of the neutral point bushing (3), and the high-voltage wire of the single-phase winding penetrates out of the high-voltage bushing (2).
2. A 220kV single-phase high-voltage shunt reactor according to claim 1, characterized in that, based on the condition of 4700m altitude, the voltage of the wire of the high-voltage wire passing through the high-voltage bushing (2) is 220kV, and the voltage of the wire of the center line passing through the neutral bushing (3) is 66 kV; the space distance between the charged part of the neutral point bushing (3) and the charged part of the high-voltage bushing (2) is more than or equal to 2800 mm; the minimum electrical distance between the electrified part of the neutral point sleeve (3) and the box body (1) is more than or equal to 1200 mm.
3. A 220kV single-phase high-voltage shunt reactor according to claim 1, characterized in that the side of the tank (1) is connected with the radiator (5) through an oil pipeline.
4. A 220kV single-phase high-voltage shunt reactor according to claim 3, characterized in that the cooling mode of the heat sink (5) is ONAN cooling.
5. A220 kV single-phase high-voltage shunt reactor according to any one of claims 1 to 4, characterized in that an oil conservator (4) is installed on the top of the tank (1).
6. A220 kV single-phase high-voltage shunt reactor according to claim 5, characterized in that a fuel gauge pipe is further arranged on the side surface of the fuel tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022662336.8U CN213242223U (en) | 2020-11-17 | 2020-11-17 | 220kV single-phase high-voltage shunt reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022662336.8U CN213242223U (en) | 2020-11-17 | 2020-11-17 | 220kV single-phase high-voltage shunt reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213242223U true CN213242223U (en) | 2021-05-18 |
Family
ID=75882711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022662336.8U Active CN213242223U (en) | 2020-11-17 | 2020-11-17 | 220kV single-phase high-voltage shunt reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213242223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466643A (en) * | 2021-06-29 | 2021-10-01 | 国网陕西省电力公司电力科学研究院 | Cable line voltage withstand test method with single-phase parallel reactor |
-
2020
- 2020-11-17 CN CN202022662336.8U patent/CN213242223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466643A (en) * | 2021-06-29 | 2021-10-01 | 国网陕西省电力公司电力科学研究院 | Cable line voltage withstand test method with single-phase parallel reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101546896B (en) | Ice melting method | |
| CN213242223U (en) | 220kV single-phase high-voltage shunt reactor | |
| CN110544580A (en) | Main transformer and boosting system of offshore wind power plant boosting station | |
| CN104851578A (en) | On-load voltage regulating transformer device and method for performing on-load voltage regulation | |
| CN104124039A (en) | Oil-immersed type high-overload power transformer | |
| CN103310963A (en) | Three-winding transformer design method suitable for 35kV distribution construction | |
| CN204760217U (en) | Oil -immersed power transformer | |
| CN202488013U (en) | External combined-type transformer for wind power generation | |
| CN208142007U (en) | A kind of automatic loaded capacity regulating voltage regulating vegetable insulating oil transformer of amorphous alloy | |
| CN207637603U (en) | A kind of automatic capacity transfer type distribution transformer | |
| CN206364421U (en) | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station | |
| CN201976061U (en) | Voltage regulating structure of converter transformer | |
| CN213340044U (en) | 220kV three-phase integrated three-winding transformer with balanced windings | |
| CN106057452A (en) | Transformer capable of increasing impedance | |
| CN212676075U (en) | 750kV three-phase integrated double-winding transformer | |
| CN203826894U (en) | High voltage cable sheath circulating current compensation device | |
| CN110890201A (en) | Three-phase shunt reactor lead wire connection structure | |
| CN2671230Y (en) | Active voltage regulator for large non-excited transformer | |
| CN203931717U (en) | A kind of oil immersed type high overload power transformer | |
| CN201383411Y (en) | Perfect combined type transformer for wind power generation | |
| CN103646753B (en) | The amorphous alloy transformer of a kind of 35kV and following high and low pressure side outlet | |
| CN203644509U (en) | Amorphous alloy transformer at 35 kV and below and with outgoing lines on high-voltage side and low-voltage side | |
| CN105702436A (en) | Alternating-current ice-melting electric reactor applicable to contact net of high-speed rail and design method of alternating-current ice-melting electric reactor | |
| CN101859986A (en) | Transformer substation main connection system based on single bus bar partition | |
| CN217035345U (en) | Box transformer substation for high-altitude area ground photovoltaic power station with increased conservator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |