CN203707782U - Dynamic intelligent capacitor - Google Patents
Dynamic intelligent capacitor Download PDFInfo
- Publication number
- CN203707782U CN203707782U CN201320757374.9U CN201320757374U CN203707782U CN 203707782 U CN203707782 U CN 203707782U CN 201320757374 U CN201320757374 U CN 201320757374U CN 203707782 U CN203707782 U CN 203707782U
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- capacitor
- cabinet
- thyristor
- dynamic
- face
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- 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
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Abstract
The utility model relates to a dynamic intelligent capacitor. The dynamic intelligent capacitor comprises a cabinet; in the cabinet, a cavity of the cabinet is divided into a front cavity and a rear cavity by a longitudinal separator plate; a self-healing low-voltage power filter capacitor is accommodated in the rear cavity; a thyristor power module is fixed at a lower portion of the front cavity; an L-shaped mounting rack is disposed at an upper portion of the front cavity; a fuse switch and a silicon controlled rectifier circuit board are respectively fixed on a longitudinal connecting plate and a horizontal connecting plate of the L-shaped mounting rack; a front end cover of the fuse switch extends out of the front end face of the cabinet; the front end face, under the front end cover of the fuse switch, of the cabinet is equipped with an intelligent control panel, and the intelligent control panel is electrically connected with the thyristor power module; upper and lower ends of the rear end face of the cabinet are respectively provided with upper installing holes and a lower installing hole; and two side surfaces of the cabinet are respectively provided with circuit board side radiating holes, power module side radiating holes and capacitor side radiating holes. The dynamic intelligent capacitor is reasonable in structure distribution, good in radiating performance and reliable in line protection, and has a dynamic compensation function and an intelligentized fault diagnosis function.
Description
Technical field
The utility model relates to a kind of capacitor technology field, the Intelligent capacitor that especially a kind of structure distribution rationally, perfect heat-dissipating, route protection be reliable, have dynamic compensation function.
Background technology
Current Intelligent capacitor is combined by miniature circuit breaker, combination switch switching device, power capacitor, intelligent measurement and control unit, compared with conventional low reactive compensation complete device, there is volume little, the feature such as flexible for installation, easy to maintenance, no-flashy-flow operating passing zero; But there is obvious defect and problem in product in actual use:
(1), route protection integrity problem: miniature circuit breaker is as route protection unit; its disjunction indicatrix can not effectively be protected semiconductor and capacitor; and breaking capacity only has 6kA ~ 25kA; disjunction fault current relies on thermo magnetic trip release mode (mechanical type); once mechanism's temperature distortion or other external force factor cause after mechanical failure, just can cause losing efficacy.
(2), operating passing zero problem: although combination switch switching device has the function of no-flashy-flow operating passing zero, but can only under the ideal state not exceeding standard without harmonic wave or harmonic wave, move, along with the extensive application of modern electronic product, the harmonic excess phenomenon of electrical network is more and more general, and harmonic wave can cause zero crossing drifting problem, make the electric current of combination switch in switching process not at dead-center position, this just can cause switching current value to exceed the ability to bear of combination switch, thereby causes that combination switch is on fire to be burnt.
(3), dynamic compensation problem: although the response time of combination switch is fewer than A.C. contactor, be generally 0.1s ~ 1s, but also far short of what is expected with the response time standard 50ms of dynamic compensation, therefore adopt the Intelligent capacitor of combination switch can not meet the requirement of dynamic compensation;
(4), heat dissipation problem: normal procedure intelligent capacitor is the top of miniature circuit breaker, combination switch, intelligent measurement and control unit installation and power capacitor, and near the terminals of capacitor, and power capacitor is in operation and can produces certain heat, the terminals of capacitor also may be because loose contact produces heating problem, and these problems all can affect the operational reliability of product;
(5), safety problem: the low voltage power capacitor in normal procedure intelligent capacitor adopts ellipse or rectangle shell mechanism, capacitor internal adopts oily formula or half dry type filler to dispel the heat, but, in the time that capacitor internal produces fault current, capacitor internal pressure can produce concentrated stress in the corner position of shell, easily make outer casing rupture or sealing surface breakage, thereby make inside stuffing be splashed to power equipment inside, even produce fire.
(6), maintenance issues: normal procedure intelligent capacitor adopts ground type to install, and installation and removal need to operate at front and back, to safeguarding inconvenience; And control panel is fairly simple, only can display section parameter, maintenance judges cumbersome.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and provide a kind of Intelligent capacitor simple and reasonable for structure, compared with conventional low imaginary power automatic compensation the complete sets of equipment, this product has changed the pattern of loose mail assembling, simplified structure, reduced volume, and there is fault self-checking function, compared with normal procedure intelligent capacitor, this product possesses dynamic no-power compensation function especially, and adopt liquid crystal panel automatically to show the operating switching state of product and temperature, electric current, voltage parameter, also automatically add up the number of times of capacitor switching, adopt fuse switch, thyristor power model and self-healing column type low-voltage power filtering capacitor have substituted respectively the miniature circuit breaker in normal procedure intelligent capacitor, combination switch switching device and low voltage power capacitor, and optimize the radiator structure of product, operational reliability and the response speed of product are greatly improved, expand the range of application of product.
The utility model solves the technical scheme that its technical problem adopts:
A kind of dynamic and intelligent capacitor, comprise cabinet, it is characterized in that, in described cabinet, by longitudinal baffle, cabinet inner chamber is divided into front cavity and rear chamber, in rear chamber, be equipped with self-healing low-voltage electric filtering capacitor, front cavity bottom is fixed with thyristor power model, front cavity top is provided with L shaped installing rack, on longitudinal connecting plate of L shaped installing rack and cross connecting plate, be fixed with respectively fuse switch and thyristor trigger circuit board, the front end housing of fuse switch extends cabinet front end face, the cabinet front end face of the front end housing below of fuse switch is provided with liquid crystal intelligent control panel, liquid crystal intelligent control panel and thyristor trigger circuit board and the electrical connection of thyristor power model, fuse switch and thyristor power model and electric connection of self-healing low-voltage electric filtering capacitor.
The upper and lower side of described cabinet rear end face is respectively equipped with installing hole and lower installing hole;
The position of the corresponding thyristor trigger circuit board in described cabinet two sides, thyristor power model and self-healing low-voltage electric filtering capacitor offers respectively board side louvre, power model side louvre and capacitor side louvre.
The utility model assembles thyristor power model in Intelligent capacitor, as the switching device of capacitor, realizes real dynamic compensation, and the response time is less than 20ms, and the electric current that can withstand shocks, and has solved the zero crossing drifting problem that harmonic current causes.
Moreover, adopt highly reliable environmentally-friendly dry Puffer-type self-healing filtering capacitor, the shell of capacitor is the cylindrical aluminium alloy shell of disposable shaping, there is pressure cut off protective device, and circular structure has been avoided the inhomogeneous problem of internal stress, possesses explosion prevention function, can there is not filler splash phenomena in dry type Puffer-type structure, filtering capacitor adopts high-quality high-temperature resistant membrane to make medium, correspondence is used in the product rated voltage of AC400V electric pressure and selects 450V to 525V, effectively resist the problem that causes condenser current and voltage rising because of harmonic wave, therefore, Product Safety is high, stable performance.
Moreover, thyristor power model, the inner set temperature transducer of self-healing column type low-voltage power filtering capacitor, transducer is connected on liquid crystal intelligent control panel, the operating temperature of key components and parts is monitored by liquid crystal intelligent control panel, once temperature exceeding standard, just can be temporarily out of service, until temperature is cooled to just recover to use after normal value, thereby ensure security of operation and the useful life of product.
Moreover, adopt fuse switch to carry out route protection, breaking capacity 120kA, protection reliability is high.
Moreover, the super wide scope range of the fluctuation of voltage of product adaptation, equal normal automatic switching from AC320V to AC480V.
Moreover liquid crystal intelligent control panel, fuse switch, thyristor power model, self-healing column type low-voltage power filtering capacitor are combined in cabinet, modular construction, volume is little, flexible combination, wiring is simple, easy to maintenance.
Moreover, adopt industrialization design and Computer simulation design, realize the harmony combination to product aesthetic property, compactedness, heat dispersion three.
The utility model can also adopt following technical measures to solve:
The position of the corresponding ghyristor circuit plate of described cabinet end face offers circuit board top louvre; Improve radiating effect, increase the service life.
The position of the corresponding self-healing low-voltage electric filtering of described cabinet rear end face capacitor offers radiating opening; Improve radiating effect, ensure the useful life of product.
Described self-healing low-voltage electric filtering capacitor is cylindrical, and this electric capacity is dry type Puffer-type, has explosion prevention function.
Adopt liquid crystal intelligent control panel, operate handled easily at cabinet front end face.
The beneficial effects of the utility model are:
(1), dynamic and intelligent capacitor of the present utility model, adopt fuse switch carry out route protection, breaking capacity 120kA; and disjunction fault current adopts the disconnected mode of hot melt; not temperature distortion or the impact of other external force factor, directly simple and quick, can effectively protect thyristor and capacitor.
(2), dynamic and intelligent capacitor of the present utility model, adopt thyristor power model to carry out switching operation to capacitor, thyristor power model can bear heavy current impact, needn't worry zero crossing drifting problem, operational reliability is high.
(3), dynamic and intelligent capacitor of the present utility model, the switching response time of thyristor power model is less than 20ms, meets the requirement of dynamic compensation completely, is applicable to the places such as automobile making, harbour, elevator mansion, the scope of application is more wide.
(4), dynamic and intelligent capacitor of the present utility model, dry type Puffer-type column type filtering capacitor possesses explosion prevention function, and filler splash phenomena can not occur, the impact of effectively resisting harmonic wave is safe, the life-span is long.
(5), dynamic and intelligent capacitor of the present utility model, optimized heat radiation structure and safeguard measure, thyristor power model and power capacitor are arranged by front and back, there is the longitudinal baffle in the middle of being arranged on to separate, coordinate power model side louvre and capacitor side louvre, it is independently dispelled the heat, be independent of each other; And fuse switch and thyristor trigger circuit board (intelligent measurement and control unit) are positioned at the top (be positioned at cabinet before cavity) of thyristor power model, there is equally L shaped installing rack to separate, affected by heat not when operation; In addition, set temperature protection transducer on thyristor power model and power capacitor, can be automatically out of service when higher than desired temperature, guarantees device security.
(6), dynamic and intelligent capacitor of the present utility model, the upper installing hole of cabinet rear end face and lower installing hole, can form wall-hung type install, wiring and control panel all can be at front-operateds, facilitate layered arrangement and wiring, safeguard simple and convenient and swift; And display panels on control panel can show the switching state of product in running and electric current, voltage, temperature parameter, and show and the switching frequency of accumulative total product automatically, the convenient useful life that judge product, make to safeguard more convenient intuitively.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of another angle of the utility model.
Fig. 3 is that the utility model removes the structural representation after part parts.
Fig. 4 is module diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figures 1 to 4, a kind of dynamic and intelligent capacitor, comprise cabinet 1, it is characterized in that, in described cabinet 1, by longitudinal baffle 2, cabinet 1 inner chamber is divided into front cavity 101 and rear chamber 102, in rear chamber 102, be equipped with self-healing low-voltage electric filtering capacitor 3, front cavity 101 bottoms are fixed with thyristor power model 4, front cavity 101 tops are provided with L shaped installing rack 8, on longitudinal connecting plate 801 of L shaped installing rack 8 and cross connecting plate 802, be fixed with respectively fuse switch 5 and thyristor trigger circuit board 6, the front end housing 501 of fuse switch 5 extends cabinet 1 front end face 103, cabinet 1 front end face 103 of front end housing 501 belows of fuse switch 5 is provided with liquid crystal intelligent control panel 7, liquid crystal intelligent control panel 7 is electrically connected with thyristor trigger circuit board 6 and thyristor power model 4, fuse switch 5 is electrically connected with thyristor power model 4 and self-healing low-voltage electric filtering capacitor 3.
The upper and lower side of described cabinet 1 rear end face 104 is respectively equipped with installing hole 104-1 and lower installing hole 104-2;
The position of the described cabinet 1 corresponding thyristor trigger circuit board 6 in two sides 105, thyristor power model 4 and self-healing low-voltage electric filtering capacitor 3 offers respectively board side louvre 105-1, power model side louvre 105-2 and capacitor side louvre 105-3.
The utility model can also adopt following technical measures to solve:
Adopt thyristor power model 4 to carry out switching operation to capacitor 3, thyristor power model can bear heavy current impact, and the response time is short, meets the requirement of dynamic compensation completely.
Described self-healing low-voltage electric filtering capacitor 3 is cylindrical, and dry type Puffer-type, has explosion prevention function.
Adopt liquid crystal intelligent control panel 7, operate at cabinet 1 front end face 103, digitlization shows.
Adopt fuse switch 5 as route protection, breaking capacity is high, quick and simply direct, can effectively protect thyristor and capacitor.
The position of the corresponding self-healing low-voltage electric filtering of described cabinet 1 rear end face 104 capacitor 3 offers radiating opening 104-3; Improve radiating effect, increase the service life.
The utility model dynamic and intelligent capacitor, take self-healing column type low-voltage power filtering capacitor as main body, take automatic switching processor as control centre, adopt microelectronics software and hardware technology to control effectively to the contact of thyristor power model, realize intelligence to low voltage power capacitor, fast, the automatic reactive compensator of no-flashy-flow switching technology, dynamic and intelligent capacitor is by intelligent measurement and control unit (ghyristor circuit plate 6), thyristor power model switch element (thyristor power model 4), fuse switch protected location (fuse switch 5), △ type or Y type self-healing column type low voltage power capacitor (self-healing low-voltage electric filtering capacitor 3) form, can realize three-phase total compensation and phase-splitting point benefit, possesses advanced communication function, there is modular construction, volume is little, flexible combination, field connection is simple, the feature such as easy to maintenance, substitute the mode of the multiple discrete item assembling of conventional reactive compensation complete device, build with informationization, automation, digitlization, interaction turns to the intelligent powerless compensation pattern of feature.
Above-described specific embodiment, is only the utility model preferred embodiment, and the equivalent arrangements of such as doing according to the utility model claim, all should be technology of the present utility model and contain.
Claims (4)
1. a dynamic and intelligent capacitor, comprise cabinet (1), it is characterized in that, in described cabinet (1), by longitudinal baffle (2), cabinet (1) inner chamber is divided into front cavity (101) and rear chamber (102), in rear chamber (102), be equipped with self-healing low-voltage electric filtering capacitor (3), front cavity (101) bottom is fixed with thyristor power model (4), front cavity (101) top is provided with L shaped installing rack (8), on longitudinal connecting plate (801) of L shaped installing rack (8) and cross connecting plate (802), be fixed with respectively fuse switch (5) and thyristor trigger circuit board (6), the front end housing (501) of fuse switch (5) extends cabinet (1) front end face (103), cabinet (1) front end face (103) of front end housing (501) below of fuse switch (5) is provided with liquid crystal intelligent control panel (7), liquid crystal intelligent control panel (7) and thyristor trigger circuit board (6) and thyristor power model (4) electrical connection, fuse switch (5) and thyristor power model (4) and self-healing low-voltage electric filtering capacitor (3) electrical connection,
The upper and lower side of described cabinet (1) rear end face (104) is respectively equipped with installing hole (104-1) and lower installing hole (104-2);
The position of the corresponding thyristor trigger circuit boards in described cabinet (1) two sides (105) (6), thyristor power model (4) and self-healing low-voltage electric filtering capacitor (3) offers respectively board side louvre (105-1), power model side louvre (105-2) and capacitor side louvre (105-3).
2. dynamic and intelligent capacitor according to claim 1, it is characterized in that, adopt the switching device of thyristor power model (4) as capacitor, the position of the corresponding thyristor trigger circuit board of cabinet (1) end face (106) (6) offers circuit board top louvre (106-1).
3. dynamic and intelligent capacitor according to claim 1, is characterized in that, the position of described cabinet (1) rear end face (104) corresponding self-healing low-voltage electric filtering capacitor (3) offers radiating opening (104-3).
4. according to dynamic and intelligent capacitor described in claim 1 or 3, it is characterized in that, described self-healing low-voltage electric power electrofiltration ripple container (3) is cylindrical, dry type Puffer-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320757374.9U CN203707782U (en) | 2013-11-27 | 2013-11-27 | Dynamic intelligent capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320757374.9U CN203707782U (en) | 2013-11-27 | 2013-11-27 | Dynamic intelligent capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707782U true CN203707782U (en) | 2014-07-09 |
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ID=51058164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320757374.9U Expired - Fee Related CN203707782U (en) | 2013-11-27 | 2013-11-27 | Dynamic intelligent capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086177A (en) * | 2019-05-31 | 2019-08-02 | 国网江苏省电力有限公司常州供电分公司 | Capacitor switching module for JP cabinet |
-
2013
- 2013-11-27 CN CN201320757374.9U patent/CN203707782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086177A (en) * | 2019-05-31 | 2019-08-02 | 国网江苏省电力有限公司常州供电分公司 | Capacitor switching module for JP cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171229 Address after: Shunde District of Guangdong province 528000 Foshan Junan Junan Cangsha community residents committee No. 6 West Road six Patentee after: Guangdong Yisheng Electric Co., Ltd. Address before: 528300 Guangdong province Foshan city Shunde District Daliang South Road Butchart Garden Shop No. 19 Patentee before: FOSHAN YISHENG POWER EQUIPMENT CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20201127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |