CN213093863U - Microcomputer harmonic elimination device for switch cabinet - Google Patents
Microcomputer harmonic elimination device for switch cabinet Download PDFInfo
- Publication number
- CN213093863U CN213093863U CN202021505611.9U CN202021505611U CN213093863U CN 213093863 U CN213093863 U CN 213093863U CN 202021505611 U CN202021505611 U CN 202021505611U CN 213093863 U CN213093863 U CN 213093863U
- Authority
- CN
- China
- Prior art keywords
- harmonic elimination
- switch cabinet
- elimination device
- transformer
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008030 elimination Effects 0.000 title claims abstract description 43
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 43
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 230000005350 ferromagnetic resonance Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a cubical switchboard computer harmonic elimination device relates to harmonic elimination technical field. The utility model discloses a harmonic elimination casing, harmonic elimination casing comprises collection system, 51 single chip processor, display device, harmonic elimination device, and collection system's input linked switch cabinet shell, collection system's output link 51 single chip processor's input, and display device's input is connected to 51 single chip processor's output, and harmonic elimination device's output linked switch cabinet shell is inside. The utility model discloses a set up a plurality of current transformer, can in time send the treater with the resonance condition with current everywhere, the utility model discloses a set up harmonic elimination device, can in time eliminate the resonance in the circuit.
Description
Technical Field
The utility model belongs to the technical field of harmonic elimination device, especially, relate to a cubical switchboard computer harmonic elimination device.
Background
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The resonance eliminating microcomputer device is an instrument which is placed on the secondary side of PT to eliminate ferromagnetic resonance. The difference between the resonance eliminator and the primary resonance eliminator is that the microcomputer resonance eliminator is a resonance eliminator, has the advantages of analysis, recording, printing, uploading and the like, but also has the defects of being only used indoors, narrow in resonance elimination range, incapable of quickly and timely processing resonance conditions and difficult to connect with a switch cabinet after being separated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cubical switchboard computer harmonic elimination device to current problem has been solved: can only be used indoors, has narrow harmonic elimination range, can not quickly and timely process the resonance condition, and has the defect of difficult connection with the switch cabinet after separation.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a cubical switchboard computer harmonic elimination device, including harmonic elimination casing, harmonic elimination casing comprises collection system, 51 single chip processor, display device, harmonic elimination device, collection system's input linked switch cabinet shell, 51 single chip processor's input is connected to collection system's output, display device's input is connected to 51 single chip processor's output, 51 single chip processor's output is connected the input of harmonic elimination device, the input of harmonic elimination device is connected to 51 single chip processor's output, inside harmonic elimination device's the output linked switch cabinet shell.
Furthermore, the switch cabinet shell is internally composed of a plurality of circuit breakers, isolating knife switches, three-phase transformers, insulation resistors, buses, star-delta transformers, current transformers, Y-Y transformers and fuses.
Furthermore, a plurality of isolating knife switches are installed on two sides of the bus.
Further, an insulation resistor is installed at the upper end of the three-phase transformer.
Further, a fuse is mounted at the upper end of the Y-Y transformer.
Further, a current transformer is installed on one side of the circuit breaker.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up a plurality of current transformer, can in time send the treater with the resonance condition with electric current everywhere.
2. The utility model discloses a set up harmonic elimination device, can in time eliminate the resonance in the circuit.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a circuit diagram of the switch cabinet of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a switch cabinet housing; 2. a resonance elimination casing; 3. a collection device; 4. 51 a single-chip processor; 5. a display device; 6. a resonance elimination device; 7. a circuit breaker; 8. an isolating knife switch; 9. a three-phase transformer; 10. an insulation resistance; 11. a bus bar; 12. a star three transformer; 13. a current transformer; 14. a Y-Y transformer; 15. and a fuse.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model relates to a cubical switchboard computer harmonic elimination device, including harmonic elimination casing 2, harmonic elimination casing 2 is by collection system 3, 51 single chip processor 4, display device 5, harmonic elimination device 6 constitutes, collection system 3's input linked switch cabinet shell 1, collection system 3's output is connected 51 single chip processor 4's input, display device 5's input is connected to 51 single chip processor 4's output, harmonic elimination device 6's output linked switch cabinet shell 1 is inside.
The switch cabinet comprises a switch cabinet shell 1, a plurality of circuit breakers 7, isolating knife switches 8, a three-phase transformer 9, insulating resistors 10, a bus 11, a star-delta transformer 12, a current transformer 13, a Y-Y transformer 14 and fuses 15, wherein the switch cabinet shell is used for controlling voltage distribution, the isolating knife switches 8 are arranged on two sides of the bus 11 so as to prevent upper-level or lower-level circuits from being damaged due to misoperation on two sides of the bus, the insulating resistors 10 are arranged at the upper end of the three-phase transformer 9 so as to set basic insulating indexes, the fuses 15 are arranged at the upper end of the Y-Y transformer 14 so as to prevent the Y-Y transformer 14 from generating overcurrent to damage the upper-level circuits, and the current transformer 13 is arranged on one side of the circuit breakers 7 so as to monitor the current condition in the.
One specific application of this embodiment is: when the device is used, an external power supply of the device is started firstly, a worker opens a switch cabinet, the switch cabinet is controlled by controlling an isolation knife switch 8 and a circuit breaker 7, power is obtained by controlling each place or a bus, electric energy is transformed by a star three-transformer 12, a Y-Y transformer 14 and a three-phase transformer 9, when the circuit breaker 7 is controlled, the isolation knife switch 8 and the star three-transformer 12, the Y-Y transformer 14 and the three-phase transformer 9 are operated, resonance can be generated in a cabinet body, monitoring is carried out through a current transformer 13, monitored current information is transmitted into an acquisition device 3 through the current transformer 13, the acquired information is transmitted into a 51 single chip microcomputer processor 4 through analog-to-digital conversion by the acquisition device 3, the high-performance 51 single chip microcomputer processor 4 is used as a core element, and the tracking ring detection is carried out on PT opening. Under the normal working condition, the voltage is less than 30V, and a high-power harmonic elimination element in the device is in a blocking state, so that the system operation is not influenced. When the PT open voltage is more than 30V, the system malfunctions. The harmonic elimination device starts to acquire data of the signal, digital signal processing technologies such as digital measurement, filtering and amplification are carried out on the signal through a circuit, and then the detected data are analyzed and calculated to obtain a fault type. If the current is ferromagnetic resonance, the system instantly eliminates the resonance device 6, then the 51 single chip processor 4 processes the information and transmits the information to the display device 5, and the display device 5 records and stores the information, automatically alarms and displays the resonance information. If the circuit is over-voltage or single-phase earth fault, the microcomputer system can give out display and alarm respectively after detecting, and can record and store the related fault information. 51 the single chip processor 4 returns to the initial state after finishing the processing, and continues to detect the state in the circuit, the display device 5 displays the obtained information, the resonance elimination device 6 eliminates the resonance, when various ferromagnetic resonances occur, the high-power relay is controlled to be started, and various faults are eliminated quickly.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A harmonic elimination device for a switch cabinet microcomputer comprises a harmonic elimination casing (2), and is characterized in that: harmonic elimination casing (2) comprises collection system (3), 51 singlechip treater (4), display device (5), harmonic elimination device (6), collection system's (3) input connection cubical switchboard shell (1), collection system's (3) output is connected 51 singlechip treater (4) input, display device's (5) input is connected to 51 singlechip treater (4) output, 51 singlechip treater (4) input, the input of harmonic elimination device (6) is connected to 51 singlechip treater (4) output, the output of harmonic elimination device (6) is inside cubical switchboard shell (1) of connecting.
2. The microcomputer resonance elimination device of the switch cabinet according to claim 1, characterized in that the switch cabinet shell (1) is internally composed of a plurality of circuit breakers (7), isolating knife switches (8), a three-phase transformer (9), an insulation resistor (10), a bus (11), a star-delta transformer (12), a current transformer (13), a Y-Y transformer (14) and a fuse (15).
3. The microcomputer resonance elimination device of the switch cabinet as claimed in claim 2, wherein a plurality of isolating knife switches (8) are installed on both sides of the bus bar (11).
4. The resonance elimination device for the microcomputer of the switch cabinet as claimed in claim 2, wherein an insulation resistor (10) is installed at the upper end of the three-phase transformer (9).
5. The switchgear cabinet microcomputer resonance elimination device of claim 2, wherein a fuse (15) is installed on the upper end of the Y-Y transformer (14).
6. The microcomputer resonance elimination device of the switch cabinet as claimed in claim 2, characterized in that a current transformer (13) is installed at one side of the breaker (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021505611.9U CN213093863U (en) | 2020-07-27 | 2020-07-27 | Microcomputer harmonic elimination device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021505611.9U CN213093863U (en) | 2020-07-27 | 2020-07-27 | Microcomputer harmonic elimination device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213093863U true CN213093863U (en) | 2021-04-30 |
Family
ID=75626792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021505611.9U Expired - Fee Related CN213093863U (en) | 2020-07-27 | 2020-07-27 | Microcomputer harmonic elimination device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213093863U (en) |
-
2020
- 2020-07-27 CN CN202021505611.9U patent/CN213093863U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5319513A (en) | Harmonic monitor and protection module | |
| CN203553628U (en) | Intelligent power box for base station | |
| KR101449706B1 (en) | Distributing board for realtime segmented sensing fault, harmonic wave and grounding resistance of power line and having a brocking and recovering function | |
| CN106597181B (en) | Operation monitoring system and method for high-voltage power transformer | |
| WO2023116650A1 (en) | Intelligent testing system and method for safety parameters of mine explosion-proof electrical apparatus | |
| CN107884645A (en) | Based on voltage ratio compared with power capacitor method for monitoring operation states | |
| CN109324286A (en) | Intelligent multifunction switching device for mechanical characteristic of high-voltage circuit breaker test | |
| CN213093863U (en) | Microcomputer harmonic elimination device for switch cabinet | |
| CN108710040A (en) | Shunt capacitor is protected and monitoring integration method | |
| CN210016275U (en) | Improved capacitor tripping device for high-voltage AC system | |
| CN208142825U (en) | High-voltage bus rapid protection device | |
| CN207442436U (en) | A kind of arclight busbar protective device | |
| CN108631437A (en) | A kind of low-voltage distribution network automatic control system | |
| CN111969566B (en) | Improved capacitor tripping device for high-voltage AC system | |
| CN204905675U (en) | Outdoor switch box with distribution fault handling function | |
| CN111525520B (en) | Accident total or protection method, device, equipment and storage medium | |
| CN212542315U (en) | Polymorphic remote monitoring circuit breaker | |
| RU56679U1 (en) | MICROPROCESSOR SYSTEM OF RELAY PROTECTION OF CELLS OF COMPLETE DISTRIBUTION DEVICES WITH ELEGAS INSULATION AND CONTROL OF A SECTIONAL SWITCH | |
| CN210016327U (en) | Monitoring device and monitoring system for automatic switch of distributed power distribution network | |
| CN105186457A (en) | Low-voltage motor protection device | |
| CN209044026U (en) | Intelligent multifunction switching device for mechanical characteristic of high-voltage circuit breaker test | |
| CN202178560U (en) | Intelligent electric safety monitoring system | |
| CN208142923U (en) | A kind of low-voltage distribution network automatic control system | |
| CN110426595A (en) | One secondary circuit failure detection device of ring-main unit | |
| CN219204086U (en) | Intelligent control device of power distribution voltage board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |