CN109742652B - Improved structure of main outgoing line of through-flow hydropower station generator - Google Patents
Improved structure of main outgoing line of through-flow hydropower station generator Download PDFInfo
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- CN109742652B CN109742652B CN201910222299.8A CN201910222299A CN109742652B CN 109742652 B CN109742652 B CN 109742652B CN 201910222299 A CN201910222299 A CN 201910222299A CN 109742652 B CN109742652 B CN 109742652B
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- reserved bus
- power cable
- vertical shaft
- generator
- water turbine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000011178 precast concrete Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses an improved structure of a main outgoing line of a through-flow hydropower station generator, wherein a reserved bus groove is formed between a water turbine vertical shaft and a generator hanging hole, a current transformer and a mounting base are mounted in the reserved bus groove, the mounting base is fixed on the bottom surface of the reserved bus groove through a pipe expanding bolt, a stator copper bar arranged in the water turbine vertical shaft is led out upwards through a power cable, a protective net is arranged outside the power cable, and a precast concrete cover plate is arranged at the top of the reserved bus groove. The outgoing line is led to the open space in the object hanging hole of the generator from the narrow space at the vertical shaft side of the water turbine, so that the design space of electric primary wiring is increased, the bus connection distance is shortened, and the equipment is convenient to install and detach; the reserved bus grooves replace the high-voltage power distribution cabinet, so that safety is ensured, and cost is reduced.
Description
Technical Field
The invention relates to the technical field of power generation equipment installation of through-flow hydropower stations, in particular to an improved structure of a main outgoing line of a through-flow hydropower station generator.
Background
The main outgoing line of the through-flow hydropower station generator is led to the downstream side through the copper bar of the stator in the bulb body, then led to the ground from the vertical shaft of the water turbine, and the outgoing line is connected with the bus through a high-voltage power distribution cabinet, and a current transformer is required to be arranged in the power distribution cabinet. The wire outlet mode has obvious defects: first, main lead-out wire and accessory occupy certain factory building area, have increased the degree of difficulty of arranging of electric busbar. Secondly, a high-voltage power distribution cabinet is needed for installing copper bars and current transformers, high-voltage equipment is installed on the ground of a power station operation layer, and the high-voltage power distribution cabinet is not safe and attractive, and increases equipment cost.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provide an improved structure of a main outgoing line of a through-flow hydropower station generator.
The technical scheme adopted by the invention for solving the technical problems is as follows: an improved structure of a main outgoing line of a through-flow hydropower station generator is characterized in that a reserved bus groove is formed between a water turbine vertical shaft and a generator hanging hole, a current transformer and an installation base are installed in the reserved bus groove, the installation base is fixed on the bottom surface of the reserved bus groove through a pipe expanding bolt, stator copper bars arranged in the water turbine vertical shaft are led out upwards through a power cable, the stator copper bars are led to one side of the generator hanging hole to be connected with a bus after passing through the current transformer, a protective net is arranged outside the power cable, and a prefabricated concrete cover plate is arranged at the top of the reserved bus groove.
Further, the length of the reserved bus groove is the same as the thickness of the wall body.
Further, the current transformer is a bus type current transformer.
Further, the stator copper bar is led out upwards from the water turbine vertical shaft through a power cable, the power cable is fixedly connected with the stator copper bar, and the power cable is fixed through a plurality of wire clamps.
Further, shielding plates are arranged at the inlet and outlet positions of the reserved bus grooves, and the shielding plates are made of 3mm thick epoxy glass cloth plates.
The invention has the advantages that:
according to the invention, the reserved bus groove is formed between the water turbine vertical shaft and the generator hanging hole, and the outgoing line is led to the open space in the generator hanging hole from the narrow space at the side of the water turbine vertical shaft, so that the electric primary wiring design space is increased, the bus connection distance is shortened, the equipment is convenient to install and disassemble, and the reserved bus groove is used for replacing the high-voltage power distribution cabinet, so that the safety is ensured, and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an improved structure of a main outlet of a generator of a tubular hydropower station according to the invention.
Wherein: 1. the power cable comprises a power cable body, a wire clamp, a protection net, a mounting base, a current transformer, a copper bar, a shielding plate, a prefabricated concrete cover plate, a stator copper bar, a generator hanging hole, a reserved bus groove, a water turbine vertical shaft and a water turbine vertical shaft.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in figure 1, an improved structure of main lead-out wire of a through-flow hydroelectric power generator is characterized in that a reserved bus groove 12 is formed between a water turbine vertical shaft 13 and a generator hanging hole 11, the reserved bus groove 12 is about 1m deep and is as wide as the water turbine vertical shaft 13, the length of the reserved bus groove 12 is the same as the thickness of a wall body, a current transformer 5 and a mounting base 4 are mounted in the reserved bus groove 12, the current transformer 5 is a bus type current transformer, the mounting base 4 is an angle steel welding piece and is fixed on the bottom surface of the reserved bus groove 12 through an expansion bolt, a lead-out space of a secondary lead-out wire of the transformer is reserved in the mounting base 4 so as to facilitate equipment debugging, a stator copper bar 10 of a stator 9 arranged in the water turbine vertical shaft 13 is led out upwards through a power cable 1, the stator copper bar 10 is fixedly connected with the power cable 1 from the water turbine vertical shaft 13, the power cable 1 is fixed through a plurality of wire clamps 2, the stator copper bar 10 passes through the current transformer 5 and then is connected with one side of the generator hanging hole 11, an epoxy wire 1 is reserved for a shield plate 7, an actual shielding plate 7 is arranged at the position of the top of the power station, a prefabricated cover plate is arranged at the position of the shield plate, and the shield plate is arranged at the top of the shield plate 7, and the shield plate is fixed by the shield plate is arranged at the position of the shield plate, and the shield plate is required to be a prefabricated by the shield plate, and the shield plate is a prefabricated plate is designed to be in the top 7, and the shield plate is in the position according to the practical condition is required to the prefabricated to be the prefabricated to the shield plate is required to the shield plate is in the top 7, and has the shield plate is required to be a large, and has the shield plate is required to be made.
According to the invention, the reserved bus groove 12 is arranged between the water turbine vertical shaft 13 and the generator hanging hole 11, and the copper bar 6 is led to the open space in the generator hanging hole 11 from the narrow space at the side of the water turbine vertical shaft 13, so that the electric primary wiring design space is increased, the bus connection distance is shortened, the equipment is convenient to install and disassemble, and the reserved bus groove 12 is used for replacing a high-voltage power distribution cabinet, thereby ensuring safety and reducing cost.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. The improved structure of the main outgoing line of the generator of the tubular hydropower station is characterized in that a reserved bus groove is formed between a water turbine vertical shaft and a generator hanging hole, a current transformer and a mounting base are mounted in the reserved bus groove, the mounting base is fixed on the bottom surface of the reserved bus groove through a pipe expanding bolt, a stator copper bar arranged in the water turbine vertical shaft is led out upwards through a power cable, the stator copper bar passes through the current transformer and then is led to one side of the generator hanging hole to be connected with a bus, a protective net is arranged outside the power cable, and a prefabricated concrete cover plate is arranged at the top of the reserved bus groove;
the stator copper bar is led out upwards from the water turbine vertical shaft through a power cable, the power cable is fixedly connected with the stator copper bar, and the power cable is fixed through a plurality of wire clamps;
the inlet and outlet positions of the reserved bus grooves are provided with shielding plates, and the shielding plates are made of 3mm thick epoxy glass cloth plates.
2. The improved structure of the main outgoing line of the through-flow hydroelectric generator according to claim 1, wherein the length of the reserved bus groove is the same as the thickness of the wall body.
3. The improved structure of main outgoing lines of a through-flow hydroelectric generator according to claim 1, wherein the current transformer is a busbar type current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222299.8A CN109742652B (en) | 2019-03-22 | 2019-03-22 | Improved structure of main outgoing line of through-flow hydropower station generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222299.8A CN109742652B (en) | 2019-03-22 | 2019-03-22 | Improved structure of main outgoing line of through-flow hydropower station generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109742652A CN109742652A (en) | 2019-05-10 |
| CN109742652B true CN109742652B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910222299.8A Active CN109742652B (en) | 2019-03-22 | 2019-03-22 | Improved structure of main outgoing line of through-flow hydropower station generator |
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| Country | Link |
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| CN (1) | CN109742652B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233467B (en) * | 2019-07-08 | 2021-03-26 | 贵州水利水电职业技术学院 | Improved mechanism of main leading-out wire of through-flow type hydropower station generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220042A (en) * | 1996-05-29 | 1999-06-16 | Abb阿西亚布朗·勃法瑞公司 | Hydroelectric power generation equipment |
| CN204225062U (en) * | 2014-11-17 | 2015-03-25 | 中国电建集团成都勘测设计研究院有限公司 | The inner gallery structure of bulb turbine hydropower station factory building |
| CN207353835U (en) * | 2017-10-27 | 2018-05-11 | 国电大渡河瀑布沟发电有限公司 | A kind of 500KV breaker arc protection devices based on power station hole formula mill construction |
| CN108683082A (en) * | 2018-06-22 | 2018-10-19 | 黄河勘测规划设计有限公司 | Power station at dam toe's outlet method for arranging |
| CN209675684U (en) * | 2019-03-22 | 2019-11-22 | 天津市天发重型水电设备制造有限公司 | The improvement structure of tubular hydropower generator main lead |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170284360A1 (en) * | 2014-10-01 | 2017-10-05 | Frederick J. Jessamy | Hydroelectric power generator system and method |
| UA112393C2 (en) * | 2015-08-25 | 2016-08-25 | Віктор Іванович Кривчиков | BEHAVIORAL HYDRO POWER PLANT |
-
2019
- 2019-03-22 CN CN201910222299.8A patent/CN109742652B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220042A (en) * | 1996-05-29 | 1999-06-16 | Abb阿西亚布朗·勃法瑞公司 | Hydroelectric power generation equipment |
| CN204225062U (en) * | 2014-11-17 | 2015-03-25 | 中国电建集团成都勘测设计研究院有限公司 | The inner gallery structure of bulb turbine hydropower station factory building |
| CN207353835U (en) * | 2017-10-27 | 2018-05-11 | 国电大渡河瀑布沟发电有限公司 | A kind of 500KV breaker arc protection devices based on power station hole formula mill construction |
| CN108683082A (en) * | 2018-06-22 | 2018-10-19 | 黄河勘测规划设计有限公司 | Power station at dam toe's outlet method for arranging |
| CN209675684U (en) * | 2019-03-22 | 2019-11-22 | 天津市天发重型水电设备制造有限公司 | The improvement structure of tubular hydropower generator main lead |
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| CN109742652A (en) | 2019-05-10 |
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