CN204115768U - A kind of transformer online monitoring equipment - Google Patents
A kind of transformer online monitoring equipment Download PDFInfo
- Publication number
- CN204115768U CN204115768U CN201420539624.6U CN201420539624U CN204115768U CN 204115768 U CN204115768 U CN 204115768U CN 201420539624 U CN201420539624 U CN 201420539624U CN 204115768 U CN204115768 U CN 204115768U
- Authority
- CN
- China
- Prior art keywords
- transformer
- monitoring device
- sleeve pipe
- iron core
- line
- 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 - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000012806 monitoring device Methods 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000009466 transformation Effects 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 12
- 230000004907 flux Effects 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect 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
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a kind of transformer online monitoring equipment, this equipment is for monitoring the safe condition of transformer, equipment comprises host computer and oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device and sleeve pipe on-Line Monitor Device, oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device are connected with transformer with the input end of sleeve pipe on-Line Monitor Device, and output terminal is connected with host computer.Compared with prior art, the utility model has can reflect the advantages such as transformer safety state comprehensively.
Description
Technical field
The utility model relates to electric power safety field, especially relates to a kind of transformer online monitoring equipment.
Background technology
Intelligent transformer is the core component of intelligent substation.Transformer online monitoring equipment ensures that transformer normally works and estimates the loss of equipment to set up the important evidence of rational turnaround plan.Transformer is in long-time running, and the fault caused because of a variety of causes and accident can not be avoided completely.Therefore to the correct diagnosis of fault with predict that just there is more urgent practicality and importance early.But the fault diagnosis of transformer is a very complicated problem, and many factors such as transformer capacity, electric pressure, insulating property, working environment, history run even product of different manufacturers etc. all can have an impact to diagnostic result.
Such as application number be 201320514741.2 Chinese patent disclose a kind of transformer online monitoring equipment, comprise transformer core, the earthing bar of core of reactor and folder, transformer core, the earthing bar of core of reactor and folder is respectively equipped with Leakage Current sensor, leakage current sensor and data acquisition cabinet are electrically connected, buzzer siren is established in data acquisition cabinet, data acquisition cabinet is connected by cable with between serial port networked server, serial port networked server is connected with monitoring server terminal via router, monitoring server terminal is provided with buzzer siren.But this utility model is only monitored core current, therefore can only reflect its performance state from a certain side, comprehensively can not understand the current safe condition of transformer.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of transformer online monitoring equipment that comprehensively can reflect transformer safety state is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of transformer online monitoring equipment, this equipment is for monitoring the safe condition of transformer, described equipment comprises host computer and oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device and sleeve pipe on-Line Monitor Device, described oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device are connected with transformer with the input end of sleeve pipe on-Line Monitor Device, and output terminal is connected with host computer.
Described transformer comprises oily closed circuit, transformer core, transformation wall shell and bushing shell for transformer, described oily closed circuit and transformer core are located in transformation wall shell, described sleeve pipe is located on transformation wall shell, described oil chromatogram analysis device is connected with oily closed circuit, described iron core grounding current monitoring device is connected with transformer core, described local discharge on-line monitoring device is located in transformation wall shell, and described sleeve pipe on-Line Monitor Device is connected with bushing shell for transformer.
Described oily closed circuit comprises gets fuel tap and oil return valve, described in get fuel tap and oil return valve is all located on transformation wall shell, described oil chromatogram analysis device respectively with get fuel tap and oil return valve is connected.
Described iron core grounding current monitoring device is Zero flux CT.
Described oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device are connected with host computer respectively by RS485 or CAN2.0 bus with sleeve pipe on-Line Monitor Device.
Described host computer comprises data sink, controller and alarm, the input end of described data sink is connected with oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device and sleeve pipe on-Line Monitor Device, output terminal is connected with controller, and described controller is also connected with alarm.
Compared with prior art, the utility model has the following advantages:
1) function of the online oil chromatogram analysis device of this system integration, iron core grounding current monitoring device, partial discharge monitoring device, sleeve pipe on-Line Monitor Device, compact conformation, cost are low, precision is high.
2) adopt RS485/CAN2.0 bus communication, data transmission credibility is high.
3), when breaking down, controller can control alarm equipment alarm.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is for getting fuel tap and oil return valve installation site schematic diagram;
Wherein: 1, host computer, 2, oil chromatogram analysis device, 3, iron core grounding current monitoring device, 4, local discharge on-line monitoring device, 5, sleeve pipe on-Line Monitor Device, 11, data sink, 12, controller, 13, alarm, 61, oily closed circuit, 62, transformer core, 63, transformation wall shell, 64, bushing shell for transformer, 611, get fuel tap, 612, oil return valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
A kind of transformer online monitoring equipment, as shown in Figure 1, this equipment is for monitoring the safe condition of transformer, equipment comprises host computer 1 and oil chromatogram analysis device 2, iron core grounding current monitoring device 3, local discharge on-line monitoring device 4 and sleeve pipe on-Line Monitor Device 5, oil chromatogram analysis device 2, iron core grounding current monitoring device 3, local discharge on-line monitoring device 4 are connected with transformer with the input end of sleeve pipe on-Line Monitor Device 5, and output terminal is connected with host computer 1.
As shown in Figure 1, transformer comprises oily closed circuit 61, transformer core 62, transformation wall shell 63 and bushing shell for transformer 64, oil closed circuit 61 and transformer core 62 are located in transformation wall shell 63, sleeve pipe 64 is located on transformation wall shell 63, oil chromatogram analysis device 2 is connected with oily closed circuit 61, iron core grounding current monitoring device 3 is connected with transformer core 62, and local discharge on-line monitoring device 4 is located in transformation wall shell 63, and sleeve pipe on-Line Monitor Device 5 is connected with bushing shell for transformer 64.
As shown in Figure 2, oily closed circuit 61 comprises gets fuel tap 611 and oil return valve 612, gets fuel tap 611 and oil return valve 612 is all located on transformation wall shell 63, oil chromatogram analysis device 2 respectively with get fuel tap 611 and oil return valve 612 is connected.
Oil chromatogram analysis device 2, from transformer oil closed circuit 61, extract oil sample by getting fuel tap 611, degassed after again send oil sample back to transformer by oil return valve 612 again.The gas deviate from from oil draws each characteristic gas content and change through stratographic analysis, analyzes exception and the fault progression trend of inside transformer with this.
Iron core grounding current monitoring device 3 is Zero flux CT, and it utilizes the current situation on Zero flux CT detection transformer core 62 ground wire, when discovery electric current exceeds standard, carries out fault diagnosis in conjunction with oil chromatogram analysis device 2.
When local discharge on-line monitoring device 4 utilizes inside transformer generation shelf depreciation, outwards will give off the principle of superfrequency electromagnetic wave (UHF), whether there is (UHF) signal by monitoring inside transformer, can judge whether inside transformer exists shelf depreciation.
Sleeve pipe on-Line Monitor Device 5 is insulation status and the capacitance of being monitored bushing shell for transformer 64 by monitoring bushing shell for transformer 64 end shield electric current.
Oil chromatogram analysis device 2, iron core grounding current monitoring device 3, local discharge on-line monitoring device 4 are connected with host computer 1 respectively by RS485 or CAN2.0 bus with sleeve pipe on-Line Monitor Device 5, and the Monitoring Data real-time online of collection is uploaded to host computer 1.
As shown in Figure 1, host computer 1 comprises data sink 11, controller 12 and alarm 13, the input end of data sink 11 is connected with oil chromatogram analysis device 2, iron core grounding current monitoring device 3, local discharge on-line monitoring device 4 and sleeve pipe on-Line Monitor Device 5, output terminal is connected with controller 12, and controller 12 is also connected with alarm 13.
Claims (6)
1. a transformer online monitoring equipment, this equipment is for monitoring the safe condition of transformer, it is characterized in that, described equipment comprises host computer and oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device and sleeve pipe on-Line Monitor Device, described oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device are connected with transformer with the input end of sleeve pipe on-Line Monitor Device, and output terminal is connected with host computer.
2. a kind of transformer online monitoring equipment according to claim 1, it is characterized in that, described transformer comprises oily closed circuit, transformer core, transformation wall shell and bushing shell for transformer, described oily closed circuit and transformer core are located in transformation wall shell, described sleeve pipe is located on transformation wall shell, described oil chromatogram analysis device is connected with oily closed circuit, described iron core grounding current monitoring device is connected with transformer core, described local discharge on-line monitoring device is located in transformation wall shell, and described sleeve pipe on-Line Monitor Device is connected with bushing shell for transformer.
3. a kind of transformer online monitoring equipment according to claim 2, it is characterized in that, described oily closed circuit comprises gets fuel tap and oil return valve, described in get fuel tap and oil return valve is all located on transformation wall shell, described oil chromatogram analysis device respectively with get fuel tap and oil return valve is connected.
4. a kind of transformer online monitoring equipment according to claim 2, is characterized in that, described iron core grounding current monitoring device is Zero flux CT.
5. a kind of transformer online monitoring equipment according to claim 1, it is characterized in that, described oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device are connected with host computer respectively by RS485 or CAN2.0 bus with sleeve pipe on-Line Monitor Device.
6. a kind of transformer online monitoring equipment according to claim 1, it is characterized in that, described host computer comprises data sink, controller and alarm, the input end of described data sink is connected with oil chromatogram analysis device, iron core grounding current monitoring device, local discharge on-line monitoring device and sleeve pipe on-Line Monitor Device, output terminal is connected with controller, and described controller is also connected with alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539624.6U CN204115768U (en) | 2014-09-18 | 2014-09-18 | A kind of transformer online monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539624.6U CN204115768U (en) | 2014-09-18 | 2014-09-18 | A kind of transformer online monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115768U true CN204115768U (en) | 2015-01-21 |
Family
ID=52333068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420539624.6U Expired - Lifetime CN204115768U (en) | 2014-09-18 | 2014-09-18 | A kind of transformer online monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404078A (en) * | 2016-11-28 | 2017-02-15 | 山东科技大学 | Transformer online monitoring device |
| CN110221159A (en) * | 2019-07-18 | 2019-09-10 | 杭州电力设备制造有限公司 | A kind of fault detection method, system and the equipment of the transformer based on iron core leakage field |
-
2014
- 2014-09-18 CN CN201420539624.6U patent/CN204115768U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404078A (en) * | 2016-11-28 | 2017-02-15 | 山东科技大学 | Transformer online monitoring device |
| CN110221159A (en) * | 2019-07-18 | 2019-09-10 | 杭州电力设备制造有限公司 | A kind of fault detection method, system and the equipment of the transformer based on iron core leakage field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102790429B (en) | On-line intelligent monitoring module for intelligent transformer substation GISs (gas insulated switchgear) | |
| CN104090230A (en) | Breaker safe operation real-time analysis early warning system | |
| CN102023253A (en) | Lightning-proof monitoring warning system | |
| CN209446711U (en) | High-tension cable is cross interconnected and insulated on-line monitoring system | |
| CN110299758B (en) | Comprehensive online monitoring and diagnosis system for transformer substation | |
| CN103234576A (en) | State monitoring system for power devices in intelligent substations | |
| CN103712551A (en) | Power distribution network transformer low-voltage winding deformation on-line monitoring device and method | |
| CN104181427A (en) | Online monitoring system of intelligent substation transformer | |
| CN204115768U (en) | A kind of transformer online monitoring equipment | |
| CN205808469U (en) | A kind of GIS on-line monitoring system | |
| CN201819947U (en) | Lightning protection monitoring and alarming system | |
| CN102623900A (en) | Intelligent two-way sleeve for monitoring pressure, temperature and moisture on line in real time | |
| CN201569508U (en) | Temperature rise monitoring and analyzing device of high-pressure equipment | |
| CN205157649U (en) | Monitoring system for seal on insulating tubular busbar | |
| CN202614831U (en) | Transient overvoltage on-line monitoring system | |
| CN104678756A (en) | Novel intelligent comprehensive power transformation and distribution monitoring system | |
| CN203396890U (en) | Disconnection alarm for digital input signals | |
| CN203337747U (en) | Monitoring device of transformer states | |
| CN203444362U (en) | Transformer temperature controller based on GPRS | |
| CN104483890A (en) | High voltage switch cabinet temperature monitoring system based on PLC | |
| CN104316824A (en) | On-line iron core grounding current monitoring device | |
| CN204314684U (en) | A kind of temperature of high-tension switch cabinet supervisory system based on PLC | |
| CN203848796U (en) | On-line monitoring device of power distribution network transformer low-voltage winding deformation | |
| CN204116526U (en) | Iron core grounding electric current on-Line Monitor Device | |
| CN202487967U (en) | Intelligent pressure, temperature and moisture online real-time monitor bi-pass casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |