CN204256037U - External overvoltage intelligent monitor system in a kind of 110kV transformer station - Google Patents
External overvoltage intelligent monitor system in a kind of 110kV transformer station Download PDFInfo
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- CN204256037U CN204256037U CN201420694037.4U CN201420694037U CN204256037U CN 204256037 U CN204256037 U CN 204256037U CN 201420694037 U CN201420694037 U CN 201420694037U CN 204256037 U CN204256037 U CN 204256037U
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Abstract
The utility model discloses external overvoltage intelligent monitor system in a kind of 110kV transformer station, comprise sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module; Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module; Described data processing module is PC, industrial computer or DLC (digital logic circuit); Described sensor group comprises 10kV overvoltage sensor, 35kV overvoltage sensor and 110kV overvoltage sensor; In this 110kV transformer station, external overvoltage intelligent monitor system is easy to implement, automatically can carry out fault detect and early warning.
Description
Technical field
The utility model belongs to electric power project engineering field, relates to external overvoltage intelligent monitor system in a kind of 110kV transformer station, is applicable to the exterior overvoltage of 110kV transformer station and internal overvoltage real time monitoring signals and fault pre-alarming.
Background technology
110kV transformer station is the junction to customer power supply, and the safe operation of 110kV transformer station ensures the reliable continuous print important prerequisite of power supply.Cause the reason of 110kV substation equipment fault more, the various outside that electric system occurs and internal overvoltage are the one of the main reasons causing power transmission and transforming equipment insulation infringement, and the safe and reliable stable operation of electric system in serious threat.When there is superpotential fault, in order to timely looking up the fault reason, be necessary to carry out Real-Time Monitoring to superpotential.
Therefore, external overvoltage intelligent monitor system in a kind of novel 110kV transformer station of design is necessary.
Utility model content
Technical problem to be solved in the utility model is to provide external overvoltage intelligent monitor system in a kind of 110kV transformer station, and in this 110kV transformer station, external overvoltage intelligent monitor system is easy to implement, automatically can carry out fault detect and early warning.
The technical solution of utility model is as follows:
External overvoltage intelligent monitor system in a kind of 110kV transformer station, comprises sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module;
Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module;
Described data processing module is PC, industrial computer or DLC (digital logic circuit);
Described sensor group comprises correspondence and connects the 10kV overvoltage sensor of 10kV system, 35kV system and 110kV system in 110V transformer station, 35kV overvoltage sensor and 110kV overvoltage sensor;
Described Signal-regulated kinase comprise wave filter, amplifier and A D converter;
Described zero sequence signal acquisition module comprises for being added the three-phase voltage on each road with the digital adder obtaining zero sequence signal.
Described superpotential warning module comprises pilot lamp for reporting to the police and hummer.
Described communication module comprises wired network port and wireless communication module; Wireless communication module comprises at least one in GPRS, 3G or 4G communication module.
Data processing module is DLC (digital logic circuit), and can be the logical circuit built by logic gate and other logical devices (as scrambler etc.), can be also integrated logical circuit, as single-chip microcomputer, and DSP or arm processor etc.
Beneficial effect:
External overvoltage intelligent monitor system in 110kV transformer station of the present utility model, can automatically record and store the inside and outside superpotential occurred in 110kV transformer station, can carry out early warning, to guarantee that 110kV substation safety runs to overvoltage signal.
Advantage of the present utility model is as follows:
1) the overvoltage sensor fast response time of the utility model patent, waveform distortion are little, can the switching overvoltage of Obtaining Accurate three different electric pressures and lightning surge;
2) the utility model patent automatically can gather over-voltage waveform, record and intelligent early-warning.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of external overvoltage intelligent monitor system in 110kV transformer station described in the utility model patent.
Embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
Embodiment 1:
See Fig. 1, external overvoltage intelligent monitor system in a kind of 110kV transformer station, comprises sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module;
Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module;
Described data processing module is PC, industrial computer or DLC (digital logic circuit);
Described sensor group comprises correspondence and connects the 10kV overvoltage sensor of 10kV system, 35kV system and 110kV system in 110V transformer station, 35kV overvoltage sensor and 110kV overvoltage sensor;
Described Signal-regulated kinase comprise wave filter, amplifier and A D converter;
Described zero sequence signal acquisition module comprises for being added the three-phase voltage on each road with the digital adder obtaining zero sequence signal.
Described superpotential warning module comprises pilot lamp for reporting to the police and hummer.
Described communication module comprises wired network port and wireless communication module; Wireless communication module comprises at least one in GPRS, 3G or 4G communication module.
Data processing module is DLC (digital logic circuit), and can be the logical circuit built by logic gate and other logical devices (as scrambler etc.), can be also integrated logical circuit, as single-chip microcomputer, and DSP or arm processor etc.
The course of work illustrates: sensor group gathers overvoltage signal; Overvoltage signal obtains digital signal after the amplification of Signal-regulated kinase, filtering and A/D convert.Numerical signal is through the process of the totalizer of zero sequence signal acquisition module, obtain zero sequence signal and output to data processing module processing, in data processing module, when after the threshold value that the amplitude of zero sequence signal reaches default, then provide warning (early warning), the waveform that liquid crystal display display is relevant and warning message, mouse is used for the work of control data processing module, printer is for printing related data, communication module is used for the data of collection and early warning information to be sent to remote data center, data memory module is used for data and the early warning information of storage of collected.
Claims (3)
1. external overvoltage intelligent monitor system in a 110kV transformer station, it is characterized in that, comprise sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module;
Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module;
Described data processing module is PC, industrial computer or DLC (digital logic circuit);
Described sensor group comprises correspondence and connects the 10kV overvoltage sensor of 10kV system, 35kV system and 110kV system in 110V transformer station, 35kV overvoltage sensor and 110kV overvoltage sensor;
Described Signal-regulated kinase comprise wave filter, amplifier and A D converter;
Described zero sequence signal acquisition module comprises for being added the three-phase voltage on each road with the digital adder obtaining zero sequence signal.
2. external overvoltage intelligent monitor system in 110kV transformer station according to claim 1, is characterized in that, described superpotential warning module comprises pilot lamp for reporting to the police and hummer.
3. external overvoltage intelligent monitor system in 110kV transformer station according to claim 2, it is characterized in that, described communication module comprises wired network port and wireless communication module; Wireless communication module comprises at least one in GPRS, 3G or 4G communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694037.4U CN204256037U (en) | 2014-11-18 | 2014-11-18 | External overvoltage intelligent monitor system in a kind of 110kV transformer station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694037.4U CN204256037U (en) | 2014-11-18 | 2014-11-18 | External overvoltage intelligent monitor system in a kind of 110kV transformer station |
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| CN204256037U true CN204256037U (en) | 2015-04-08 |
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| CN201420694037.4U Active CN204256037U (en) | 2014-11-18 | 2014-11-18 | External overvoltage intelligent monitor system in a kind of 110kV transformer station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950164A (en) * | 2015-05-25 | 2015-09-30 | 广东电网有限责任公司中山供电局 | Lightning overvoltage monitoring system for substation secondary system |
| CN106230621A (en) * | 2016-07-22 | 2016-12-14 | 安徽亚辉电气自动化有限公司 | A kind of monitoring analysis system based on overvoltage protection device |
| CN111030046A (en) * | 2019-12-18 | 2020-04-17 | 中石大蓝天(青岛)石油技术有限公司 | Multi-source mutual-feed wide-input direct-current overvoltage protector |
-
2014
- 2014-11-18 CN CN201420694037.4U patent/CN204256037U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950164A (en) * | 2015-05-25 | 2015-09-30 | 广东电网有限责任公司中山供电局 | Lightning overvoltage monitoring system for substation secondary system |
| CN106230621A (en) * | 2016-07-22 | 2016-12-14 | 安徽亚辉电气自动化有限公司 | A kind of monitoring analysis system based on overvoltage protection device |
| CN111030046A (en) * | 2019-12-18 | 2020-04-17 | 中石大蓝天(青岛)石油技术有限公司 | Multi-source mutual-feed wide-input direct-current overvoltage protector |
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