CN202796400U - Intelligent dry-type transformer - Google Patents
Intelligent dry-type transformer Download PDFInfo
- Publication number
- CN202796400U CN202796400U CN201220437578.XU CN201220437578U CN202796400U CN 202796400 U CN202796400 U CN 202796400U CN 201220437578 U CN201220437578 U CN 201220437578U CN 202796400 U CN202796400 U CN 202796400U
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- transformer
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- blower fan
- iron core
- temperature
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Abstract
The utility model relates to an intelligent dry-type transformer applicable to 6kV, 10kV and 35kV power transmission and distribution systems. The intelligent dry-type transformer comprises a transformer body arranged in a transformer shell, a three-phase current transformer, an iron core grounding current transformer, a neutral point current transformer, a temperature and humidity sensor, a temperature sensor, a processor, a partial discharge ultrahigh frequency probe and the like, wherein the temperature sensor is arranged on each phase current transformer body; the temperature and humidity sensor is arranged in the transformer shell; the neutral point current transformer is arranged on a neutral point copper bar of the transformer body; the partial discharge ultrahigh frequency probe is arranged above the transformer body; the processor is arranged on the transformer shell; and the current transformer, the temperature and humidity sensor, the temperature sensor and the partial discharge ultrahigh frequency probe are respectively connected with the processor through circuits. The intelligent dry-type transformer has the characteristics that the structure is reasonable, the functions are complete, the automation degree is high, the transformer can be monitored in real time, and hidden dangers and faults can be found in time.
Description
Technical field
The utility model relates to a kind of transformer technology field, specifically a kind of intelligent dry-type transformer that is applicable to 6kV, 10kV, 35kV electrical power trans mission/distribution system.
Background technology
In electric power system, transformer is the assembly place of transmission and disttrbution, is voltage of transformation in electric power system, acceptance and distribution electric energy, the flow direction of controlling electric power and the electric power facility of adjusting voltage.By transformer, the grid contact of each step voltage is got up, in voltage levels, the user relatively payes attention to intelligent transformer, has realized the parameter online of voltage levels, thereby has guaranteed continuation and the stability of power supply on a large scale.But the devices such as Real-Time Monitoring generally are not set in the transformer of low-voltage-grade, particularly at 6kV, 10kV, the dry-type transformer used in the 35kV electrical power trans mission/distribution system, real-time monitoring device all is not set, its function singleness, can not meet on-line monitoring, terminal client can't be found the hidden danger that transformer exists, can't find in time the various short troubles of dry-type transformer, the faults such as Abnormal Insulation state and electric discharge property, the client can only wait dry-type transformer to go wrong and just can make accordingly and remedying afterwards, and the necessary power failure operation of breakdown maintenance, had a strong impact on the electric power application of terminal client, also affected the useful life of dry-type transformer.
Summary of the invention
The utility model provides a kind of rational in infrastructure, multiple functional in order to overcome above-mentioned defect, can carry out Real-Time Monitoring to transformer, scents a hidden danger in time and the intelligent dry-type transformer of fault.
The technical solution adopted in the utility model is: a kind of intelligent dry-type transformer, comprise the transformer body that is arranged on transformer shell inside, it is characterized in that: also comprise threephase current transformer, the neutral point current instrument transformer, the iron core grounding current instrument transformer, Temperature Humidity Sensor, temperature sensor, processor, the local discharge superhigh frequency probe, described temperature sensor is three, be separately positioned on every phase transformer body, described Temperature Humidity Sensor is arranged in transformer shell, described neutral point current instrument transformer is arranged on transformer body, described local discharge superhigh frequency probe is arranged on the top of transformer body, the iron core grounding current instrument transformer is arranged on the iron core grounding sheet place of transformer body, processor is arranged on transformer shell, the neutral point current instrument transformer, the iron core grounding current instrument transformer, Temperature Humidity Sensor, temperature sensor is connected with processor by circuit respectively with the local discharge superhigh frequency probe
.
Also involving vibrations transducer, blower fan and blower fan transducer, described vibrating sensor is arranged on transformer body, blower fan is arranged on the transformer body bottom, and the blower fan transducer is set on blower fan, and vibrating sensor is connected with processor by circuit respectively with the blower fan transducer.
Processor is processor of single chip computer, and processor is connected with display by circuit.
The utility model by arranging the neutral point current instrument transformer for monitoring whether balance of threephase load on the neutral point of transformer body, whether electric leakage is arranged, the situations such as insulation infringement, be provided with temperature sensor on transformer body, temperature that can measuring transformer body three-phase coil and the temperature of iron core, the iron core grounding sheet place that the iron core grounding current instrument transformer is arranged on transformer body gathers the iron core grounding current signal by its current collecting device, the local discharge superhigh frequency probe is set above transformer body, can Real-Time Monitoring and show the situation of partial discharge, Temperature Humidity Sensor is set in transformer shell for monitoring the transformer operational environment of transformer shell inside, prevent that the interior temperature of housing and humidity from exceeding normal range (NR), above-mentioned each monitoring device is connected with processor by circuit, to judge fault type for the staff after the treated device comparative analysis of every data of Real-Time Monitoring and position provides foundation, transfer historical data and tendency chart, surpassing warning value is reported to the police, can scent a hidden danger in time and fault, the utility model also arranges vibrating sensor on transformer body, for monitoring the data such as the vibration amplitude of transformer body and vibration acceleration, the transformer body bottom arranges blower fan, blower fan can be given coil and iron core heat radiation, the blower fan transducer is set on blower fan, for monitoring the running environment of blower fan, processor is connected with the blower fan transducer with vibrating sensor, after processor comparison data, be the staff, judge fault type and position provides foundation, processor can be connected with display by circuit, process information is shown, processor can also with host computer, networked, realize interconnecting of information.
The accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Now by reference to the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, comprise transformer body 1, threephase current transformer 3 and the numerous sensing devices etc. that are arranged on transformer shell inside, threephase current transformer 3 is arranged on the three-phase low-voltage copper bar of transformer body 1, also comprises neutral point current instrument transformer 6, iron core current transformer 10, Temperature Humidity Sensor 11, temperature sensor 2, processor 9, local discharge superhigh frequency probe 5 etc.Described temperature sensor 2 is three, be separately positioned on every phase transformer body 1, described Temperature Humidity Sensor 11 is arranged in transformer shell, described neutral point current instrument transformer 6 is arranged on the neutral point copper bar on transformer body 1, described local discharge superhigh frequency probe 5 is arranged in transformer shell, the top of transformer body 1, iron core current transformer 10 is arranged on the iron core grounding sheet place of transformer body 1, processor 9 is arranged on transformer shell, usually processor 9 is arranged on the housing sidepiece, neutral point current instrument transformer 6, iron core current transformer 10, Temperature Humidity Sensor 11, temperature sensor 2 is connected with processor 9 by circuit respectively with local discharge superhigh frequency probe 5
.
Go back involving vibrations transducer 7, blower fan 8 and blower fan transducer in the present embodiment, described vibrating sensor 7 is arranged on transformer body 1, and vibrating sensor 7 is for data such as the vibration amplitude of monitoring transformer body 1 and vibration accelerations.Blower fan 8 is arranged on transformer body 1 bottom, gives coil and iron core heat radiation, improves the transformer reliability of operation, and the blower fan transducer is set on blower fan 8, and vibrating sensor 7 is connected with processor 9 by circuit respectively with the blower fan transducer.For monitoring the running environment of blower fan 8, processor 9 is connected with the blower fan transducer with vibrating sensor 7, judge fault type for the staff after processor 9 comparison data and position provides foundation, described processor 9 is processor of single chip computer 9, processor 9 is connected with display by circuit, process information is shown, processor 9 can also be networked with host computer, realizes interconnecting and Long-distance Control of information.
The utility model arranges neutral point current instrument transformer 6 for monitoring whether balance of threephase load on the neutral point copper bar of transformer body 1, whether electric leakage is arranged, the situations such as insulation infringement, be provided with temperature sensor 2 on transformer body 1, temperature that can measuring transformer body 1 three-phase coil and the temperature of iron core, the iron core grounding sheet place that iron core current transformer 10 is arranged on transformer body 1 gathers the iron core grounding current signal by its current collecting device, local discharge superhigh frequency probe 5 is set above transformer body 1, can Real-Time Monitoring and show the situation of partial discharge, Temperature Humidity Sensor 11 is set in transformer shell for monitoring the transformer operational environment of transformer shell inside, prevent that the interior temperature of housing and humidity from exceeding normal range (NR), above-mentioned each monitoring device is as neutral point current instrument transformer 6, iron core current transformer 10, local discharge superhigh frequency probe 5 and temperature sensor 2 etc., by circuit, with processor 9, be connected, to judge fault type for the staff after treated device 9 comparative analyses of every data of Real-Time Monitoring and position provides foundation, transfer historical data and tendency chart, surpassing warning value is reported to the police, can scent a hidden danger in time and fault, the information that processor 9 can also provide according to monitoring device is controlled the unlatching of each monitoring device or is closed, as temperature sensor 2 measures the temperature of three-phase coil and the higher data of temperature of iron core, and send the signal of measurement to processor 9, processor 9 opens again 8 pairs of three-phase coils of blower fan by belonging to after comparing when being reported to the police over warning value and iron core is dispelled the heat, thereby guarantee the operational environment that transformer body 1 is good, automaticity is high.
The utlity model has rational in infrastructurely, multiple functional, automaticity is high, can carry out Real-Time Monitoring to transformer, scent a hidden danger in time and fault characteristics.
Claims (3)
1. an intelligent dry-type transformer, comprise the transformer body that is arranged on transformer shell inside, it is characterized in that: also comprise threephase current transformer, the neutral point current instrument transformer, the iron core grounding current instrument transformer, Temperature Humidity Sensor, temperature sensor, processor, the local discharge superhigh frequency probe, described temperature sensor is three, be separately positioned on transformer body, described Temperature Humidity Sensor is arranged in transformer shell, described threephase current transformer, the neutral point current instrument transformer is arranged on transformer body, described local discharge superhigh frequency probe is arranged on the top of transformer body, the iron core grounding current instrument transformer is arranged on the iron core grounding sheet place of transformer body, processor is arranged on transformer shell, the neutral point current instrument transformer, the iron core grounding current instrument transformer, Temperature Humidity Sensor, temperature sensor is connected with processor by circuit respectively with the local discharge superhigh frequency probe
.
2. intelligent dry-type transformer according to claim 1, it is characterized in that: go back involving vibrations transducer, blower fan and blower fan transducer, described vibrating sensor is arranged on transformer body, blower fan is arranged on the transformer body bottom, the blower fan transducer is set on blower fan, and vibrating sensor is connected with processor by circuit respectively with the blower fan transducer.
3. intelligent dry-type transformer according to claim 1 and 2, it is characterized in that: processor is processor of single chip computer, and processor is connected with display by circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220437578.XU CN202796400U (en) | 2012-08-31 | 2012-08-31 | Intelligent dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220437578.XU CN202796400U (en) | 2012-08-31 | 2012-08-31 | Intelligent dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796400U true CN202796400U (en) | 2013-03-13 |
Family
ID=47823610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220437578.XU Expired - Lifetime CN202796400U (en) | 2012-08-31 | 2012-08-31 | Intelligent dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278592A (en) * | 2015-11-12 | 2016-01-27 | 国网辽宁省电力有限公司朝阳供电公司 | Intelligent transformer substation state networked monitoring system |
| CN105655100A (en) * | 2016-03-23 | 2016-06-08 | 江苏源通电气有限公司 | 10kV-level epoxy resin cast dry-transformer |
-
2012
- 2012-08-31 CN CN201220437578.XU patent/CN202796400U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278592A (en) * | 2015-11-12 | 2016-01-27 | 国网辽宁省电力有限公司朝阳供电公司 | Intelligent transformer substation state networked monitoring system |
| CN105655100A (en) * | 2016-03-23 | 2016-06-08 | 江苏源通电气有限公司 | 10kV-level epoxy resin cast dry-transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |