CN204068223U - Integrated protection and monitoring device - Google Patents
Integrated protection and monitoring device Download PDFInfo
- Publication number
- CN204068223U CN204068223U CN201420485795.5U CN201420485795U CN204068223U CN 204068223 U CN204068223 U CN 204068223U CN 201420485795 U CN201420485795 U CN 201420485795U CN 204068223 U CN204068223 U CN 204068223U
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- CN
- China
- Prior art keywords
- protection
- module
- monitoring device
- interface
- low
- 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
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Classifications
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
The utility model discloses a kind of integrated protection and monitoring device, comprise: cabinet, front panel and rear board, described panel is provided with display and button, described cabinet is built with wiring board, described wiring board comprises CPU, detection module, rectifying and wave-filtering regulating circuit, A/D converter, parameter input module, monitoring module, protection module and relay, described wiring board also comprises the sequence of events recording instrument be connected with CPU and the zero-sequence current component be connected with protection module, negative-sequence current component, phase current element, low/overvoltage protection element and low/overfrequency protection component.The utility model has highly reliable phase, negative phase-sequence, calculating zero sequence, zero sequence overcurrent element and low/overvoltage protection element and low/overfrequency protection component, and can realize the function such as voltage protection and off-load, defencive function is complete, and reliability is high.
Description
Technical field
The utility model relates to safe distribution of electric power field, particularly relates to a kind of integrated protection and monitoring device.
Background technology
In the past; the circuit breaker that large generator-transformer unit 220KV and above on high-tension side circuit breaker all adopt phase-splitting to operate; once repeatedly there is open-phase operation in operation in this circuit breaker; because open-phase operation causes electric generating set rotor badly damaged, so non-three-phase operation and open-phase operation conk-out protective loop should be installed to the circuit breaker of phase-splitting operation.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of integrated protection and monitoring device; there is highly reliable phase, negative phase-sequence, calculating zero sequence, zero sequence overcurrent element and low/overvoltage protection element and low/overfrequency protection component; the function such as voltage protection and off-load can be realized; defencive function is complete, and reliability is high.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of integrated protection and monitoring device, comprise: cabinet, front panel and rear board, described panel is provided with display and button, described cabinet is built with wiring board, described wiring board comprises CPU, detection module, rectifying and wave-filtering regulating circuit, A/D converter, parameter input module, monitoring module, protection module and relay, described wiring board also comprises the sequence of events recording instrument be connected with CPU and the zero-sequence current component be connected with protection module, negative-sequence current component, phase current element, low/overvoltage protection element and low/overfrequency protection component.
Further; described protection module is also connected with display module, alarm module and circuit breaker, and described zero-sequence current component, negative-sequence current component, phase current element, low/overvoltage protection element are connected with protection module by circuit breaker with low/overfrequency protection component.
Further, described display module is LED LCDs.
Further, described display screen is arranged on front panel.
Further, described CPU is connected with communication interface, described communication interface is the combination in any of EIA-232 interface, EIA-485 interface and optical fiber interface.
Further, the front panel of described device is arranged an EIA-232 interface, rear board is arranged an optical fiber interface, an EIA-232 interface or EIA-485 interface.
Further, described parameter input module is control button.
Further, described control button is arranged on front panel.
Further, in described alarm module, several LED signal lamp are set.
The utility model adopts negative-sequence current component and phase current element, and it is for detecting phase-to phase fault, and negative-sequence current does not react three-phase load electric current, thus provides higher phase-to phase fault sensitivity; Adopt zero-sequence current component, can be used for detection of ground faults; Adopt low/overvoltage protection element can realize tripping operation under low-voltage condition or warning; Adopt low/overfrequency protection component can detect real frequency disturbance.In addition, be provided with sequence of events recording instrument, its logout comprises voltage value data and the status data that the time, all protection components instantaneously occurred, and can be and determines that the order of event is submitted necessary information.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the better embodiment of the utility model integrated protection and monitoring device.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is described in detail.
Please refer to shown in Fig. 1, the better embodiment of the utility model integrated protection and monitoring device comprises: cabinet, front panel and rear board, described panel is provided with display and button, and described cabinet is built with wiring board.
Described wiring board comprises CPU, detection module, rectifying and wave-filtering regulating circuit, A/D converter, parameter input module, monitoring module, protection module and relay.Described wiring board also comprises the sequence of events recording instrument be connected with CPU and the zero-sequence current component be connected with protection module, negative-sequence current component, phase current element, low/overvoltage protection element and low/overfrequency protection component.
Wherein, described protection module is also connected with display module, alarm module and circuit breaker, and described zero-sequence current component, negative-sequence current component, phase current element, low/overvoltage protection element are connected with protection module by circuit breaker with low/overfrequency protection component.Described negative-sequence current component and phase current element, it is for detecting phase-to phase fault, and negative-sequence current does not react three-phase load electric current, thus provides higher phase-to phase fault sensitivity; Described zero-sequence current component, can be used for detection of ground faults; Described low/overvoltage protection element can realize tripping operation under low-voltage condition or warning; Described low/overfrequency protection component can detect real frequency disturbance.
Wherein, described display module is LED LCDs, can display measurement value, calculated value I/O state, equipment state and configuration parameter, has the ability of roll display customization information and data.
Wherein, described display screen is arranged on front panel.
Wherein, described CPU is connected with communication interface, described communication interface is the combination in any of EIA-232 interface, EIA-485 interface and optical fiber interface.
Wherein, the front panel of described device is arranged an EIA-232 interface, rear board is arranged an optical fiber interface, an EIA-232 interface or EIA-485 interface.
Wherein, described parameter input module is control button, and described button is programmable control button, can realize circuit breaker jumping/closing operation easily.
Wherein, described control button is arranged on front panel.
Wherein, in described alarm module, several LED signal lamp are set.
The utility model is provided with sequence of events recording instrument, and its logout comprises voltage value data and the status data that the time, all protection components instantaneously occurred, and can be and determines that the order of event is submitted necessary information.
Above the implementation that specific embodiments is described is intended to specific descriptions of the present utility model, can not be interpreted as it is to restriction of the present utility model, those skilled in the art are under instruction of the present utility model, can make various variant on the embodiment basis described in detail, these variants all should be included within design of the present utility model.The utility model scope required for protection only will be stated by described right and limit.
Claims (9)
1. an integrated protection and monitoring device, comprise: cabinet, front panel and rear board, described panel is provided with display and button, described cabinet is built with wiring board, described wiring board comprises CPU, detection module, rectifying and wave-filtering regulating circuit, A/D converter, parameter input module, monitoring module, protection module and relay, it is characterized in that: described wiring board also comprises the sequence of events recording instrument be connected with CPU and the zero-sequence current component be connected with protection module, negative-sequence current component, phase current element, low/overvoltage protection element and low/overfrequency protection component.
2. integrated protection and monitoring device according to claim 1; it is characterized in that: described protection module is also connected with display module, alarm module and circuit breaker, described zero-sequence current component, negative-sequence current component, phase current element, low/overvoltage protection element are connected with protection module by circuit breaker with low/overfrequency protection component.
3. integrated protection and monitoring device according to claim 2, is characterized in that: described display module is LED LCDs.
4. integrated protection and monitoring device according to claim 3, is characterized in that: described display screen is arranged on front panel.
5. integrated protection and monitoring device according to claim 1, is characterized in that: described CPU is connected with communication interface, and described communication interface is the combination in any of EIA-232 interface, EIA-485 interface and optical fiber interface.
6. integrated protection and monitoring device according to claim 5, is characterized in that: the front panel of described device is arranged an EIA-232 interface, rear board is arranged an optical fiber interface, an EIA-232 interface or EIA-485 interface.
7. integrated protection and monitoring device according to claim 1, is characterized in that: described parameter input module is control button.
8. integrated protection and monitoring device according to claim 7, is characterized in that: described control button is arranged on front panel.
9. integrated protection and monitoring device according to claim 1, is characterized in that: arrange several LED signal lamp in described alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485795.5U CN204068223U (en) | 2014-08-27 | 2014-08-27 | Integrated protection and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485795.5U CN204068223U (en) | 2014-08-27 | 2014-08-27 | Integrated protection and monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068223U true CN204068223U (en) | 2014-12-31 |
Family
ID=52209670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420485795.5U Expired - Fee Related CN204068223U (en) | 2014-08-27 | 2014-08-27 | Integrated protection and monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323671A (en) * | 2020-04-14 | 2020-06-23 | 国网湖北省电力有限公司武汉市新洲区供电公司 | Fault classifier for transient detection of power distribution system |
| CN109713794B (en) * | 2018-12-28 | 2020-12-29 | 广东电网有限责任公司 | Distributed intelligent self-recovery system and method |
-
2014
- 2014-08-27 CN CN201420485795.5U patent/CN204068223U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713794B (en) * | 2018-12-28 | 2020-12-29 | 广东电网有限责任公司 | Distributed intelligent self-recovery system and method |
| CN111323671A (en) * | 2020-04-14 | 2020-06-23 | 国网湖北省电力有限公司武汉市新洲区供电公司 | Fault classifier for transient detection of power distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |