CN203761053U - Modularly-arranged parallel capacitor device for substation - Google Patents
Modularly-arranged parallel capacitor device for substation Download PDFInfo
- Publication number
- CN203761053U CN203761053U CN201420143642.2U CN201420143642U CN203761053U CN 203761053 U CN203761053 U CN 203761053U CN 201420143642 U CN201420143642 U CN 201420143642U CN 203761053 U CN203761053 U CN 203761053U
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- China
- Prior art keywords
- support post
- lightning arrester
- capacitor
- current limiter
- module
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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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- 239000003990 capacitor Substances 0.000 title claims abstract description 60
- 238000013016 damping Methods 0.000 claims description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 239000012212 insulator Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 14
- 238000009413 insulation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a modularly-arranged parallel capacitor device for a substation. The modularly-arranged parallel capacitor device is composed of a preposed portion and a postposed portion, the preposed portion comprises an isolating switch, a circuit breaker, a current transformer and a grounding switch, the postposed portion comprises a series reactor or a damping-type current limiter, a lightning arrester, a capacitor bank and a discharging coil, the postposed portion forms three identical structural units, and each structural unit comprises a reactor-capacitor module integrated by the series reactor or the damping-type current limiter, and the capacitor bank, and a discharging coil-lightning arrester module integrated by the discharging coil and the lightning arrester. The modularly-arranged parallel capacitor device is simple in structure, small in occupied area, convenient, quick and safe in mounting and convenient for daily running inspection and observation and device stop maintenance and repair, and working efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of parallel capacitor device, belongs to the var power technique fields in electric power system.
Background technology
Shunt capacitor compensation arrangement is the var power supply ranking first in electric power system, the construction of this compensation arrangement engineering and use with ensure the safe and stable operation of electrical networks at different levels, for the quality of power supply of electricity consumption, and reduction network loss saves energy etc. is of close concern to each other.This compensation arrangement can be divided into the three class devices such as transformer station, (circuit) pole and motor local compensation by infield; Can be divided into indoor type and outdoor type two class devices by installation site; Can divide for frame (platform) posture being combined by capacitor unit, cabinet type and prepackage (box) device by version.
The utility model relates to transformer station's parallel capacitor device, belongs to outdoor type frame (platform) posture device (hereinafter to be referred as " outdoor frame mounting " or abbreviation " device ") by installation site and version.
35kV and above parallel capacitor device for transformer station, the outdoor frame mounting of most employing.In recent years for improve larger capacity (as 6000kvar and more than) the unbalance protection sensitivity of 10kV Shunt Capacitor Unit; capacitor group adopts the wiring of single star two-part and phase differential pressure protected mode; the 10kV parallel capacitor device of using in load-center substation is also applied outdoor frame mounting, thereby has expanded the range of application of this class formation form device.
Fig. 1 is the electrical principle main wiring diagram of transformer station's parallel capacitor device.
As shown in Figure 1: composition device that can handle assembly is divided into preposition part and rearmounted part by electrical connection order: wherein, preposition part comprises isolating switch (QS), circuit breaker (QF), current transformer (TA), earthed switch (QG) etc.; Rearmounted series reactor or damping current limiter (L), lightning arrester (FV), capacitor group (C), the discharge coils (TV) etc. of partly comprising are damping current limiter in the dotted line frame in Fig. 1.For outdoor frame mounting, its preposition part (comprising measurement not shown in the figures, protection and control device system) is provided for oneself by user conventionally, that is design and construction together with the major project of this part and transformer station; Its rearmounted part is responsible for by designing requirement configuration device, is manufactured framework and accessory by the complete sets of equipment manufactory, and integrated in factory or substation field assembling.
Outdoor frame mounting there is no unified standard shape system so far, existing two kinds of mounting arrangements and version: (1) " stacked ": the mode that adopts three-phase series reactor, three-phase capacitor closed assembly.Fig. 2 is the end view of existing " stacked " outdoor frame mounting mounting arrangements schematic diagram, Fig. 3 is the vertical view of existing " stacked " outdoor frame mounting mounting arrangements schematic diagram, as shown in Figures 2 and 3: wherein capacitor (C) three-phase shares same frame (platform) frame, i.e. same pedestal 1; Series reactor (L) needs with post insulator insulation against ground except being arranged on the platform (phase) of bottom, all the other middle part platforms (phase) are isolated with corresponding supporting insulator by insulation coordination requirement with middle part platform (phase) with bottom platform (phase), top platform (phase), and the advantage of this mode is that floor space is little.
(2) " the open and flat formula of river word "; Every phase capacitor and auxiliary equipment are as separate unit, three-phase device is the open and flat arrangement of river font and installs, Fig. 4 is the end view of existing " the open and flat formula of river word " device mounting arrangements schematic diagram, and Fig. 5 is the vertical view of existing " the open and flat formula of river word " device mounting arrangements schematic diagram.As shown in Figure 4 and Figure 5: the advantage of this mode be simple in structure, wiring is clear, the spacious good heat dissipation in space, the large security reliability of alternate electrical distance are high.
But: " stacked " has following shortcoming: 1. security reliability is poor, the single-phase accident of series reactor can develop into phase fault accident and cause larger harm, therefore specify in " measure of national grid prevention high-voltage parallel capacitor accident ": " as far as possible without closed assembly structure "; 2. the intensive radiating condition of equipment is poor, and the device temperature that is contained in middle part and top raises, and once occurs to cause protection misoperation because three-phase capacitor temperature rise difference causes three-phase electricity capacity imbalance; 3. equipment operational inspection is observed and Maintenance and Repair inconvenience; 4. all parts of device need to assemble at substation field integrated.
" the open and flat formula of river word " has following shortcoming: 1. floor space is large; 2. all parts of device need to assemble at substation field integrated.
In view of " stacked " used by strict restriction, also there is certain defect in " the open and flat formula of river word ", therefore be necessary to develop novel version, should overcome the outstanding problem that prior art exists, receive again the major advantage of prior art, the utility model is this new product with excellent technique economic performance just.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide the parallel capacitor device of little, easy for installation, quick, simple and easy, the safe transformer station of a kind of floor space modular arrangement.
For achieving the above object, the utility model is to realize by following technical scheme:
The parallel capacitor device of modular arrangement for a kind of transformer station, comprise preposition part and the rearmounted part of this installation composition, described preposition part comprises isolating switch, circuit breaker, current transformer and earthed switch, and described rearmounted part comprises series reactor or damping current limiter, lightning arrester, capacitor group and discharge coil.It is characterized in that, described rearmounted part forms three identical construction units, and include in each construction unit: by series reactor or damping current limiter and the integrated reactor capacitor module (being called for short LC module) of capacitor group, and by discharge coil and the integrated discharge coil lightning arrester module (being called for short TF module) of lightning arrester.
Further, described reactor capacitor module is arranged on the framework that structure is " work " font, wherein, series reactor or damping current limiter are arranged on work " top of the framework of font, capacitor group is arranged on the bottom of the framework of " work " font in horizontal side by side mode.
In the time of voltage >=35kv, the framework of described " work " font comprises pedestal, support post and cruciform girder, on described pedestal, set up and form an insulated platform by post insulator, described support post is arranged on the middle part of insulated platform, described cruciform girder is arranged on the top of support post, in addition, described series reactor or damping current limiter are arranged on cruciform girder by supporting insulator, and described capacitor group is arranged on the insulated platform of support post both sides in horizontal side by side mode.
In the time that voltage is 10kv, the framework of described " work " font comprises pedestal, support post and cruciform girder, on described pedestal, form a platform, described support post is arranged on the middle part of platform, described cruciform girder is arranged on the top of support post, in addition, described series reactor or damping current limiter are arranged on cruciform girder by supporting insulator, and described capacitor group is arranged on the platform of support post both sides in horizontal side by side mode.
And described discharge coil lightning arrester module comprises mounting base and support, described support is arranged on a wherein side of mounting base, described lightning arrester is arranged on support, and described discharge coil is arranged on the mounting base of the opposite side relative with support.
The beneficial effects of the utility model are:
(1) the utility model, compared with " the open and flat formula of river word ", has been save the position that series reactor or damping current limiter are installed separately, can reduce land area more than 1/3rd, can effectively save land resource and reduce construction investment;
(2) LC module described in the utility model and TF module can complete assembly and adjustment in factory, after completing, can directly transport to substation field hoisted in position, again can be integrated by aerial lug, all need to assemble at the scene integrated than all parts of prior art, greatly shorten the engineering construction duration;
(3) the utility model rational and compact, from a high position to low level, series reactor or damping current limiter are in high-order corresponding in a high position with the isolating switch of preposition part, the corresponding low level and capacitor and discharge coil, lightning arrester exist together, wiring is each other clear easy, and the utility model only needs the pedestal of 6 modules to implement at the scene ground connection, need each ground connection respectively, not only saving of labor but also safety than the device of prior art;
(4) the utility model space spaciousness, good heat dissipation, temperature rise are low, and alternate electrical distance is large, can reliably prevent phase fault, has eliminated serious accident hidden danger, and are convenient to day-to-day operation and make an inspection tour and observe and device stops using as a servant Maintenance and Repair;
(5) for 35kV of the present utility model and above device, series reactor or damping current limiter, owing to there being the insulation against ground of two-stage post insulator, make the corresponding raising of its insulation against ground level.
Brief description of the drawings
Fig. 1 is the electrical principle main wiring diagram of transformer station's parallel capacitor device;
Fig. 2 is the front view of existing " stacked " outdoor frame mounting mounting arrangements schematic diagram;
Fig. 3 is the vertical view of existing " stacked " outdoor frame mounting mounting arrangements schematic diagram;
Fig. 4 is the front view of existing " the open and flat formula of river word " device mounting arrangements schematic diagram;
Fig. 5 is the vertical view of existing " the open and flat formula of river word " device mounting arrangements schematic diagram;
Fig. 6 is the front view of the mounting arrangements schematic diagram of the utility model entirety;
Fig. 7 is the vertical view of the mounting arrangements schematic diagram of the utility model entirety shown in Fig. 6;
The front view of LC module described in the utility model when Fig. 8 is voltage >=35kv;
Fig. 9 is the end view of the LC module shown in Fig. 8;
Figure 10 is the vertical view of the LC module shown in Fig. 8;
Figure 11 is the front view of voltage LC module described in the utility model while being 10kv;
Figure 12 is the end view of the LC module shown in Figure 11;
Figure 13 is the vertical view of the LC module shown in Figure 11;
Figure 14 is the front view of TF module described in the utility model;
Figure 15 is the end view of the TF module shown in Figure 14;
Figure 16 is the vertical view of the TF module shown in Figure 14.
In figure, main Reference numeral implication is:
1, pedestal 2, post insulator 3, platform 3.1, insulated platform
3.2, platform 4, support post 5, cruciform girder 6, supporting insulator
7, mounting base 8, support.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is carried out to concrete introduction.
Fig. 6 is the front view of the mounting arrangements schematic diagram of the utility model entirety; Fig. 7 is the vertical view of the mounting arrangements schematic diagram of the utility model entirety shown in Fig. 6.
As shown in Figure 6 and Figure 7: the parallel capacitor device of modular arrangement for transformer station, comprise preposition part and the rearmounted part of this installation composition, described preposition part comprises isolating switch (QS), circuit breaker (QF), current transformer (TA) and earthed switch (QG), described rearmounted part comprises series reactor or damping current limiter (L), lightning arrester (FV), capacitor group (C) and discharge coil (TV), in the utility model, described rearmounted part forms three identical construction units, and include in each construction unit: by series reactor or damping current limiter and the integrated reactor capacitor module (being called for short LC module) of capacitor group, and by discharge coil and the integrated discharge coil lightning arrester module (being called for short TF module) of lightning arrester.And described reactor capacitor module is arranged on the framework that structure is " work " font, wherein, series reactor or damping current limiter are arranged on work " top of the framework of font, capacitor group is arranged on the bottom of the framework of " work " font in horizontal side by side mode.Do not needing to change under the prerequisite of basic structure form, rely on the size (for example capacity 200kvar, 334kvar, 500kvar etc.) of apolegamy capacitor unit capacity or the number of units of capacitor unit, and the rated capacity of matching corresponding series reactor or damping current limiter just can meet the demand of different device capacity.
The front view of LC module described in the utility model when Fig. 8 is voltage >=35kv; Fig. 9 is the end view of the LC module shown in Fig. 8; Figure 10 is the vertical view of the LC module shown in Fig. 8.
As shown in Fig. 8-10: in the time of voltage >=35kv, the framework of described " work " font comprises pedestal 1, support post 4 and cruciform girder 5, on described pedestal 1, set up and form an insulated platform 3.1 by post insulator 2, described support post 4 is arranged on the middle part of insulated platform 3.1, described cruciform girder 5 is arranged on the top of support post 4, in addition, described series reactor or damping current limiter are arranged on cruciform girder 5 by supporting insulator 6, described capacitor group is arranged on the insulated platform 3.1 of support post 4 both sides in horizontal side by side mode.Said structure form, its main purpose is to ensure that the shell of capacitor group is earth-free.
Figure 11 is the front view of voltage LC module described in the utility model while being 10kv; Figure 12 is the end view of the LC module shown in Figure 11; Figure 13 is the vertical view of the LC module shown in Figure 11.
As shown in Figure 11-13: in the time that voltage is 10kv, the framework of described " work " font comprises pedestal 1, support post 4 and cruciform girder 5, on described pedestal 1, form a platform 3.2, described support post 4 is arranged on the middle part of platform 3.2, described cruciform girder 5 is arranged on the top of support post 4, in addition, described series reactor or damping current limiter are arranged on cruciform girder 5 by supporting insulator 6, and described capacitor group is arranged on the platform of support post 4 both sides in horizontal side by side mode.The restriction of the version of the LC module while being 10kv for voltage, mainly be, the shell of described capacitor group can ground connection, therefore, the platform 3.2 of placing capacitor group does not need pedestal 1 use post insulator 2 isolated insulation over the ground, and the structure of the LC module of the mounting means of all the other structures and device described in when being voltage >=35kv is identical.
Figure 14 is the front view of TF module described in the utility model; Figure 15 is the end view of the TF module shown in Figure 14; Figure 16 is the vertical view of the TF module shown in Figure 14.
As shown in Figure 14-16: as described in discharge coil lightning arrester module comprise mounting base 7 and support 8, described support 8 is arranged on a wherein side of mounting base 7, described lightning arrester is arranged on support 8, and described discharge coil is arranged on the mounting base 7 of the opposite side relative with support 8.
The utility model is by adopting the integrated mode of modularization, rearmounted part of the present utility model is divided into three unit by A, B, C three-phase, the device of each unit is divided into " reactor capacitor module " (L C module) and " discharge coil lightning arrester module " (TF module), device in each module forms integrative-structure, only need be by place 6 module hoistings at substation field, then complete between LC module and preposition part by designing requirement, and electrical connection between corresponding module.
Totally 1 group of total capacity 7200kvar of 35kV electric pressure device described in the utility model obtains practical application in the interim transformer station of 110kV Red Male; Totally 6 groups of total capacity 36072kvar of the utility model 10kV electric pressure device obtains practical application in 220kV Guo Wang high-tech transformer station.
The utility model is illustrated and should be appreciated that above-described embodiment does not limit the utility model in any form according to above-described embodiment, and all employings are equal to replaces or the technical scheme that obtains of equivalent transformation mode, within all dropping on protection range of the present utility model.
Claims (5)
1. the parallel capacitor device of transformer station's use modular arrangement, comprise preposition part and the rearmounted part of this installation composition, described preposition part comprises isolating switch, circuit breaker, current transformer and earthed switch, described rearmounted part comprises series reactor or damping current limiter, lightning arrester, capacitor group and discharge coil, it is characterized in that, described rearmounted part forms three identical construction units, and include in each construction unit: by series reactor or damping current limiter and the integrated reactor capacitor module of capacitor group, and by discharge coil and the integrated discharge coil lightning arrester module of lightning arrester.
2. the parallel capacitor device of modular arrangement for a kind of transformer station according to claim 1, it is characterized in that, described reactor capacitor module is arranged on the framework that structure is " work " font, wherein, series reactor or damping current limiter are arranged on work " top of the framework of font, capacitor group is arranged on the bottom of the framework of " work " font in horizontal side by side mode.
3. the parallel capacitor device of modular arrangement for a kind of transformer station according to claim 2, it is characterized in that, when voltage >=35kv, the framework of described " work " font comprises pedestal, support post and cruciform girder, on described pedestal, set up and form an insulated platform by post insulator, described support post is arranged on the middle part of insulated platform, described cruciform girder is arranged on the top of support post, in addition, described series reactor or damping current limiter are arranged on cruciform girder by supporting insulator, described capacitor group is arranged on the insulated platform of support post both sides in horizontal side by side mode.
4. the parallel capacitor device of modular arrangement for a kind of transformer station according to claim 2, it is characterized in that, when voltage is 10kv, the framework of described " work " font comprises pedestal, support post and cruciform girder, on described pedestal, form a platform, described support post is arranged on the middle part of platform, described cruciform girder is arranged on the top of support post, in addition, described series reactor or damping current limiter are arranged on cruciform girder by supporting insulator, described capacitor group is arranged on the platform of support post both sides in horizontal side by side mode.
5. the parallel capacitor device of modular arrangement for a kind of transformer station according to claim 1, it is characterized in that, described discharge coil lightning arrester module comprises mounting base and support, described support is arranged on a wherein side of mounting base, described lightning arrester is arranged on support, and described discharge coil is arranged on the mounting base of the opposite side relative with support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143642.2U CN203761053U (en) | 2014-03-28 | 2014-03-28 | Modularly-arranged parallel capacitor device for substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143642.2U CN203761053U (en) | 2014-03-28 | 2014-03-28 | Modularly-arranged parallel capacitor device for substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761053U true CN203761053U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420143642.2U Expired - Lifetime CN203761053U (en) | 2014-03-28 | 2014-03-28 | Modularly-arranged parallel capacitor device for substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393604A (en) * | 2014-10-22 | 2015-03-04 | 国家电网公司 | Parallel capacitor apparatus based on integrated design of air-core reactor and capacitor unit |
-
2014
- 2014-03-28 CN CN201420143642.2U patent/CN203761053U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393604A (en) * | 2014-10-22 | 2015-03-04 | 国家电网公司 | Parallel capacitor apparatus based on integrated design of air-core reactor and capacitor unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Guoliang Inventor after: Wang Jun Inventor after: Bian Chao Inventor after: Jiang Weiyi Inventor after: He Lewei Inventor after: Wang Minghao Inventor before: Wang Guoliang Inventor before: Wang Jun Inventor before: Bian Chao Inventor before: Jiang Weiyi Inventor before: He Lewei Inventor before: Wang Minghao |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |