CN210517579U - One and one half wiring type GIS equipment for offshore wind power - Google Patents
One and one half wiring type GIS equipment for offshore wind power Download PDFInfo
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- CN210517579U CN210517579U CN201921986217.9U CN201921986217U CN210517579U CN 210517579 U CN210517579 U CN 210517579U CN 201921986217 U CN201921986217 U CN 201921986217U CN 210517579 U CN210517579 U CN 210517579U
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Abstract
The utility model discloses a one and one half connection type GIS equipment for offshore wind power, which comprises a bottom frame fixed on the ground, wherein the bottom frame is provided with a lower layer assembly space, a middle layer assembly space and an upper layer assembly space which are sequentially arranged from bottom to top along the vertical direction, and a circuit breaker assembly, a current transformer and a voltage transformer are arranged at the lower layer assembly space; a main bus, an isolating switch assembly, a quick grounding switch assembly and a cable terminal are arranged in the middle-layer assembly space; the upper assembly space is provided with an oblique pull bus assembly matched with the main bus, the oblique pull bus assembly comprises a plurality of oblique pull buses arranged in parallel, and each of the two terminals of the oblique pull buses is arranged along the horizontal direction in a staggered manner. The one and one half connection type GIS equipment for offshore wind power is simple and compact in structure, small in occupied area, good in vibration resistance and simple and easy to operate.
Description
Technical Field
The utility model relates to a supporting equipment technical field of marine power transmission and transformation system, in particular to marine wind power is with one and a half wiring formula GIS equipment.
Background
At present, in China, the GIS (gas insulated switchgear) used by the project of the new energy booster station such as offshore wind power station is required to have compact structure and high reliability, no fault occurs in the service life, the electrified operation is not influenced even if the fault is overhauled, and meanwhile, the GIS also requires small floor area, strong anti-vibration capability and convenient routing inspection and disassembly.
Usually, the onshore booster station adopts a one-and-one-half wiring mode to ensure the reliable power supply requirement of the GIS, namely, the one-and-one-half wiring mode is that a single-group wiring unit comprises 3 circuit breaker assemblies and 2 groups of buses which are cooperatively connected, and the wiring mode is usually bus 1-circuit breaker assembly 1-outgoing line 1-circuit breaker assembly 2-outgoing line 2-circuit breaker assembly 3-bus 2. Two sets of buses of a sesquialter line are electrified simultaneously and operate, and any one set of bus fault or maintenance can not cause the power failure, and the requirement that the power failure does not exist when any breaker assembly is maintained is also met.
The GIS structure of the one and a half connection modes is very mature in a land booster station, however, if GIS equipment of the one and a half connections is applied to offshore operation platforms such as an offshore wind power booster station, the conventional one and a half connection GIS structure cannot be used in spatially limited working conditions such as an offshore wind power booster station due to the defects of large equipment floor area, high height of the GIS equipment, poor vibration resistance, high installation and disassembly difficulty of a quick grounding switch from the ground and the like, and adverse effects are caused on optimized layout and line layout of relevant project equipment of the offshore wind power booster station.
Therefore, how to reduce the occupied area and the operation difficulty of the GIS equipment with the one and one half wiring structure and improve the vibration resistance of the GIS equipment is an important technical problem which needs to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an offshore wind power is with one and half wiring formula GIS equipment, this offshore wind power is with one and half wiring formula GIS equipment's structure retrencies the compactness, and area is less, and the anti vibration performance is better, and operation simple accurate.
In order to solve the technical problem, the utility model provides a one and one half connection type GIS equipment for offshore wind power, which comprises a bottom frame fixed on the ground, wherein the bottom frame is provided with a lower layer assembly space, a middle layer assembly space and an upper layer assembly space which are sequentially arranged from bottom to top along the vertical direction, and a circuit breaker assembly, a lightning arrester, a current transformer and a voltage transformer are arranged at the lower layer assembly space; a main bus, an isolating switch assembly, a quick grounding switch assembly and a cable terminal are arranged in the middle-layer assembly space;
the upper assembly space is provided with an oblique pull bus assembly matched with the main bus, the oblique pull bus assembly comprises a plurality of oblique pull buses arranged in parallel, and each of the two terminals of the oblique pull buses is arranged along the horizontal direction in a staggered manner.
Preferably, middle level assembly space department still is provided with patrols and examines the platform, it is located to patrol and examine the platform the top of circuit breaker subassembly, just the bottom of patrolling and examining the platform be provided with fixed connection in landing leg on the chassis.
Preferably, the bottom of patrolling and examining the platform is provided with the footboard dismantled and assembled, the footboard with the maintenance mouth counterpoint cooperation of circuit breaker subassembly.
Preferably, the cable-stayed bus comprises a conductor unit, the end part of the conductor unit is detachably connected with each terminal, a corrugated pipe is sleeved at the matching position of the two ends of the conductor unit and the corresponding terminals, and a bus tube is coaxially sleeved outside the conductor unit.
Preferably, still be provided with on the chassis and converge the accuse cabinet, current transformer specifically is two, and two current transformer all is located the top of circuit breaker subassembly, the isolator subassembly with current transformer one-to-one adaptation, the main bus be two and respectively the level arrange in the both sides of isolator subassembly, draw the generating line subassembly to one side and be located the top of isolator subassembly, one of them the isolator subassembly with the main bus corresponds to be connected, another the isolator subassembly with quick earthing switch subassembly voltage transformer cable termination and arrange in arrester on the chassis is connected.
Preferably, the voltage transformer and the lightning arrester can be communicated with a main loop of the one and one half connection type GIS equipment in an on-off mode through a detachable module.
Preferably, a connecting bus bar communicating with the cable terminal is provided at the upper assembly space.
Compared with the prior art, the utility model provides a marine one and a half wiring formula GIS equipment for wind-powered electricity generation, in its assembly operation process, arrange the great part of dead weight such as circuit breaker in lower floor's assembly space department, arrange the little quick earthing switch subassembly of dead weight in middle level assembly space department, arrange the less part of dead weight such as oblique pull generating line in upper assembly space department to realized according to the structure of part dead weight layering arrangement, make the GIS equipment whole focus after the assembly completion show to reduce, improved greatly the whole shock resistance of GIS equipment; meanwhile, the distance between two rows of terminals at two ends of the diagonal bus can be obviously reduced by adopting the diagonal bus structure, so that the GIS equipment is more compact and simplified in overall structure and smaller in occupied area; in addition, the quick grounding switch assembly is arranged in the middle-layer assembly space, so that the operation difficulty of the quick grounding switch assembly can be effectively reduced, a worker can simply, conveniently and efficiently carry out operation control on the quick grounding switch assembly, and the whole operation process of the GIS equipment is simple, convenient and feasible.
The utility model discloses an in another preferred scheme, middle level assembly space department still is provided with patrols and examines the platform, it is located to patrol and examine the platform the top of circuit breaker subassembly, just the bottom of patrolling and examining the platform be provided with fixed connection in landing leg on the chassis. This platform of patrolling and examining can make full use of GIS equipment's inner space overall arrangement for fortune dimension personnel can implement quick maintenance to each switch module and each mutual-inductor subassembly on patrolling and examining the platform, and will patrol and examine the platform through the landing leg and directly assemble on the chassis, can guarantee to patrol and examine the platform and obtain sufficient structural support, and avoid patrolling and examining the platform and produce the structure to other functional unit and interfere.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a one and one half connection type GIS device for offshore wind power according to an embodiment of the present invention;
FIG. 2 is a schematic view of the mating structure between the diagonal draw bus bar assembly and the related components in FIG. 1;
fig. 3 is a wiring schematic of fig. 1.
The intelligent monitoring system comprises a chassis 11, a breaker 121, a breaker assembly 122, a current transformer 123, a voltage transformer, a main bus 131, a disconnecting switch assembly 132, a quick grounding switch assembly 133, a routing inspection platform 134, a diagonal bus 14, a terminal 141, a corrugated pipe 142, a bus tube 143, a bus control cabinet 15, a lightning arrester 16, a detachable module 161 and a connecting bus 17.
Detailed Description
The utility model discloses a core provides a marine wind power is with a half a connecting wire formula GIS equipment, and this marine wind power is with a half a connecting wire formula GIS equipment's structure retrencies compactly, and area is less, and the anti vibration performance is better, and operation simple accurate.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a one and a half-connecting type GIS device for offshore wind power according to an embodiment of the present invention; FIG. 2 is a schematic view of the mating structure between the diagonal draw bus bar assembly and the related components in FIG. 1; fig. 3 is a wiring schematic of fig. 1.
In a specific embodiment, the utility model provides a one and a half connection type GIS equipment for offshore wind power, including being fixed in subaerial chassis 11, have lower floor's fitting space, middle level fitting space and the upper assembling space that arrange along vertical direction from bottom to top in proper order on chassis 11, lower floor's fitting space department arranges circuit breaker subassembly 121, arrester 16, current transformer 122 and voltage transformer 123; a main bus 131, an isolating switch component 132, a quick grounding switch component 133 and a cable terminal are arranged in the middle-layer assembly space; the upper assembly space is provided with a diagonal bus 14 assembly matched with the main bus 131, the diagonal bus 14 assembly comprises a plurality of diagonal buses 14 arranged in parallel, and two terminals 141 of each diagonal bus 14 are arranged along the horizontal direction in a staggered manner.
In the assembling and running process, components with larger self-weight, such as a breaker, are arranged at the lower-layer assembling space, the quick grounding switch assembly 133 with smaller self-weight is arranged at the middle-layer assembling space, and the components with smaller self-weight, such as the diagonal bus 14, are arranged at the upper-layer assembling space, so that a structure which is arranged in layers according to the self-weights of the components is realized, the integral gravity center of the assembled GIS equipment is obviously reduced, and the integral vibration resistance of the GIS equipment is greatly improved; meanwhile, the distance between two rows of terminals 141 at two ends of the diagonal draw bus 14 can be obviously reduced by adopting the structure of the diagonal draw bus 14, so that the GIS equipment is more compact and simplified in overall structure and smaller in occupied area; in addition, the quick grounding switch assembly 133 is arranged in the middle-layer assembly space, so that the operation difficulty of the quick grounding switch assembly 133 can be effectively reduced, the operation control can be more conveniently and efficiently carried out by a worker, and the whole operation process of the GIS equipment is simpler and more convenient and easier to implement.
It should be noted that, the main bus 131 is preferably a three-phase common-box main bus 131, so called a three-phase common-box, that is, three-phase conductor units of the bus of the GIS device are installed in the same closed tank, and correspondingly, three-phase conductor units, that is, the main bus 131, are installed in the same sealing element; the diagonal draw bus 14 is preferably a diagonal draw bus 14 arranged in three-phase sub-boxes, that is, three-phase conductor units of the bus of the GIS device are independently installed in three closed tank bodies, and correspondingly, the three-phase conductor units of the diagonal draw bus 14 are independently installed in three different closed tank bodies.
It should be further noted that, in practical applications, the terminal 141 adapted to the diagonal bus 14 is usually a conductor connecting component such as a three-way tank or a four-way tank, and in practical applications, a worker may also flexibly select another type of connecting component as a specific type of the terminal 141 according to specific working conditions, and in principle, the terminal 141 may be any terminal that can ensure reliable connection between the diagonal bus 14 and a corresponding electrical circuit.
Specifically, middle level fitting space department still is provided with patrols and examines platform 134, patrols and examines platform 134 and is located the top of circuit breaker subassembly 121, and the bottom of patrolling and examining platform 134 is provided with the landing leg of fixed connection on chassis 11. This platform 134 of patrolling and examining can make full use of GIS equipment's inner space overall arrangement for the operation and maintenance personnel can implement quick maintenance to each switch module and each mutual-inductor subassembly on patrolling and examining platform 134, and will patrol and examine platform 134 through the landing leg and directly assemble on chassis 11, can guarantee to patrol and examine platform 134 and obtain sufficient structural support, and avoid patrolling and examining platform 134 and produce the structure to interfere to other functional assembly.
More specifically, the bottom of the inspection platform 134 is detachably provided with a pedal, and the pedal is aligned and matched with the access hole of the circuit breaker assembly 121. Under the general condition, this footboard is the assembly of standing still in patrolling and examining the platform 134 bottom, when needs implement the maintenance to lower part subassemblies such as circuit breaker, only need pull down or turn over the footboard by patrolling and examining platform 134 department, can implement the maintenance to the circuit breaker through the clearance of the former assembly position department of this footboard and the access hole of circuit breaker subassembly 121 counterpoint, after the maintenance finishes, only need with the footboard dress back again and reset can.
Further, the cable-stayed bus 14 includes a conductor unit with an end portion detachably connected to each terminal 141, a corrugated tube 142 is sleeved at a position where two ends of the conductor unit are matched with the corresponding terminals 141, and a bus tube 143 is coaxially sleeved outside the conductor unit. Compared with the traditional direct-connected bus, the connection mode of the oblique-pulling bus 14 can effectively reduce the occupied area corresponding to the space between the two rows of terminals 141, the number of related elements is reduced, meanwhile, the main body structure of the oblique-pulling bus 14 can be conveniently installed and disassembled through the corrugated pipe 142 and the detachable conductor unit, so as to meet the line connection operation requirements under different working conditions, in addition, the corrugated pipe 142 can effectively compensate the assembly error of the main body part of the oblique-pulling bus 14, thereby further reducing the assembly difficulty of each component of the oblique-pulling bus 14, and improving the assembly precision and the assembly efficiency.
It should be noted that, limited by the perspective of the drawing, the specific position of the conductor unit is not marked in the drawings herein, but since the conductor unit and the bus bar 143 are coaxially sleeved, the position of the conductor unit can directly refer to the bus bar 143 shown in the drawings, and the rest of the text is not described in detail.
On the other hand, the chassis 11 is further provided with a control cubicle 15, the number of the current transformers 122 is specifically two, the two current transformers 122 are both located above the circuit breaker assembly 121, the isolating switch assemblies 132 are adapted to the current transformers 122 in a one-to-one correspondence manner, the two main buses 131 are respectively and horizontally arranged on two sides of the isolating switch assemblies 132, the diagonal draw bus 14 assembly is located above the isolating switch assembly 132, one of the isolating switch assemblies 132 is correspondingly connected with the main bus 131, and the other isolating switch assembly 132 is connected with the fast grounding switch assembly 133, the voltage transformer 123, the cable terminal and the lightning arrester 16 arranged on the chassis 11. The control cubicle 15 is assembled on the underframe 11 in an integrated mode, and the high-integration assembly and reasonable arrangement of the components are combined, so that the integration level of the whole assembly of the GIS equipment can be further improved, the structure of the whole equipment is more simplified and compact, and the required assembly space and occupied area are further reduced, so that the assembly operation requirements under special working conditions such as an offshore operation platform are met.
It should be noted that, the above-mentioned assembly structure that highly integrates each subassembly on chassis 11 makes the GIS equipment can simply and conveniently realize whole aversion and transportation high-efficiently, thereby further improves the actual operating efficiency of the operating mode adaptability of GIS equipment, and makes its actual operation degree of difficulty further reduce.
In addition, the voltage transformer 123 and the lightning arrester 16 can be connected to and disconnected from the main loop of the one and one half connection type GIS device through the detachable module 161. The detachable unit can disconnect the connection between the voltage transformer 123 and the lightning arrester 16 and the main circuit of the GIS equipment on the basis that the voltage transformer 123 and the lightning arrester 16 are not detached, so that the voltage transformer 123 and the lightning arrester 16 can be conveniently detached, and convenience is provided for the GIS main circuit to implement operations such as alternating current withstand voltage tests.
Further, a connection bus bar 17 communicating with the cable terminal is provided at the upper-layer fitting space. The cable terminal has small volume and is convenient and flexible to install, and the overall occupied area and the required assembly space of the GIS equipment can be further reduced; meanwhile, the connecting bus 17 can be connected with a plurality of cable terminals in parallel to meet the requirement of a line on capacity, the internal space of the GIS equipment can be effectively utilized by adopting the connecting mode of the connecting bus 17, the external dimensions such as the length of the GIS equipment are not increased, and the integral assembly structure of the GIS equipment is more compact.
In summary, the utility model provides a one and a half wiring formula GIS equipment for offshore wind power, its assembly operation in-process, arrange the great part of dead weight such as circuit breaker in lower floor's assembly space department, arrange the little quick earthing switch subassembly of dead weight in middle level assembly space department, arrange the less part of dead weight such as oblique pull generating line in upper assembly space department to realized according to the structure of part dead weight layering arrangement, made the GIS equipment whole focus after the assembly is accomplished show to be reduced, greatly improved the whole anti vibration ability of GIS equipment; meanwhile, the distance between two rows of terminals at two ends of the diagonal bus can be obviously reduced by adopting the diagonal bus structure, so that the GIS equipment is more compact and simplified in overall structure and smaller in occupied area; in addition, the quick grounding switch assembly is arranged in the middle-layer assembly space, so that the operation difficulty of the quick grounding switch assembly can be effectively reduced, a worker can simply, conveniently and efficiently carry out operation control on the quick grounding switch assembly, and the whole operation process of the GIS equipment is simple, convenient and feasible.
It is right above the utility model provides an offshore wind power has carried out detailed introduction with one and a half wiring formula GIS equipment. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. The utility model provides an offshore wind power is with one and half wiring formula GIS equipment which characterized in that: the lightning arrester comprises a bottom frame fixed on the ground, wherein a lower layer assembly space, a middle layer assembly space and an upper layer assembly space are sequentially arranged on the bottom frame from bottom to top along the vertical direction, and a circuit breaker assembly, a lightning arrester, a current transformer and a voltage transformer are arranged in the lower layer assembly space; a main bus, an isolating switch assembly, a quick grounding switch assembly and a cable terminal are arranged in the middle-layer assembly space;
the upper assembly space is provided with an oblique pull bus assembly matched with the main bus, the oblique pull bus assembly comprises a plurality of oblique pull buses arranged in parallel, and each of the two terminals of the oblique pull buses is arranged along the horizontal direction in a staggered manner.
2. The GIS equipment for offshore wind power generation according to claim 1, characterized in that: middle level assembly space department still is provided with patrols and examines the platform, it is located to patrol and examine the platform the top of circuit breaker subassembly, just the bottom of patrolling and examining the platform be provided with fixed connection in landing leg on the chassis.
3. The offshore wind power one and one half-connecting type GIS device of claim 2, wherein: the bottom of patrolling and examining the platform is provided with the footboard dismantled and assembled, the footboard with the maintenance mouth counterpoint cooperation of circuit breaker subassembly.
4. The GIS equipment for offshore wind power generation according to claim 1, characterized in that: the cable-stayed bus comprises conductor units, the end parts of the conductor units are detachably connected with the terminals, corrugated pipes are sleeved at the matching positions of the two ends of the conductor units and the corresponding terminals, and a bus tube is coaxially sleeved outside the conductor units.
5. The GIS equipment for offshore wind power generation according to claim 1, characterized in that: still be provided with on the chassis and converge the accuse cabinet, current transformer specifically is two, and two current transformer all is located the top of circuit breaker subassembly, the isolator subassembly with current transformer one-to-one adaptation, the main bus be two and respectively the level arrange in the both sides of isolator subassembly, draw the generating line subassembly to one side and be located the top of isolator subassembly, one of them the isolator subassembly with the main bus corresponds and connects, another the isolator subassembly with quick earthing switch subassembly voltage transformer cable terminal and arrange in the arrester on the chassis is connected.
6. A one and one half wire GIS equipment for offshore wind power according to claim 5 characterized in that: the voltage transformer and the lightning arrester can be connected with the main loop of the one and one half connection type GIS equipment in a break-make mode through the detachable module.
7. A one and one half wire GIS equipment for offshore wind power according to claim 5 characterized in that: and a connecting bus communicated with the cable terminal is arranged in the upper-layer assembly space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986217.9U CN210517579U (en) | 2019-11-15 | 2019-11-15 | One and one half wiring type GIS equipment for offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986217.9U CN210517579U (en) | 2019-11-15 | 2019-11-15 | One and one half wiring type GIS equipment for offshore wind power |
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| Publication Number | Publication Date |
|---|---|
| CN210517579U true CN210517579U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921986217.9U Active CN210517579U (en) | 2019-11-15 | 2019-11-15 | One and one half wiring type GIS equipment for offshore wind power |
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| CN (1) | CN210517579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922265A (en) * | 2021-09-16 | 2022-01-11 | 中国电建集团河北省电力勘测设计研究院有限公司 | 500kV HGIS power distribution device |
-
2019
- 2019-11-15 CN CN201921986217.9U patent/CN210517579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922265A (en) * | 2021-09-16 | 2022-01-11 | 中国电建集团河北省电力勘测设计研究院有限公司 | 500kV HGIS power distribution device |
| CN113922265B (en) * | 2021-09-16 | 2024-05-28 | 中国电建集团河北省电力勘测设计研究院有限公司 | 500KV HGIS power distribution device |
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