CN204374298U - A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment - Google Patents
A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment Download PDFInfo
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- CN204374298U CN204374298U CN201420823822.5U CN201420823822U CN204374298U CN 204374298 U CN204374298 U CN 204374298U CN 201420823822 U CN201420823822 U CN 201420823822U CN 204374298 U CN204374298 U CN 204374298U
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Abstract
A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment that the utility model provides, it is characterized in that, comprise transformer, original edge voltage sensor, primary current sensor, secondary voltage sensor, secondary current sensor, temperature sensor and monitoring terminal, can the former avris of Real-Time Monitoring transformer and the electric current and voltage value of secondary side, and according to the load operating conditions of transformer, calculate the actual motion loss of transformer, the relevancy factor of analyzing influence transformer efficiency, find out the methods improving operational energy efficiency, reduce transformer loss, reduce because transformer fault causes the number of times of power failure, realize power distribution network transformer platform area high-level efficiency, low-loss, low failure operation and fine-grained management.
Description
Technical field
The utility model relates to energy monitoring apparatus, particularly a kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment.
Background technology
Substation transformer loss is one of subject matter of Line Loss of Distribution Network System, along with the quick growth of load, power distribution network scale expands increasingly, but vast rural area, even region, urban is little because transformer exists transformer capacity, equipment is outmoded, insulation ag(e)ing, core material loss is high, the rough problem such as uneconomical of the method for operation, thus need measuring transformer open circuit loss and load loss, the transformer low to loss high energy efficiency according to measurement result carries out replacing adjustment, realize power distribution network saving energy and decreasing loss, improve electrical network efficiency, for overcoming the above problems, analyze the exact cause causing this kind of phenomenon, traditional way has two kinds, first method is extrapolated the loss of substation transformer according to relevant criterion by slip-stick artist, this method can only calculate transformer theoretical loss, the active loss of concrete transformer can not be drawn according to on-the-spot actual motion condition, second method is that loss experiment is done at substation transformer power-off scene, be generally used for transformer put into operation before checking and accepting, this method can detect open circuit loss and the short-circuit impedance of substation transformer, but this method has an obvious defect, the load loss of transformer actual motion cannot be measured at short notice, and it is large to there is workload, the problems such as construction is inconvenient, above two kinds of methods all cannot accurately calculate the running wastage of transformer, part throttle characteristics cannot be monitored for a long time, computational analysis transformer optimal economic working voltage, thus adjustment secondary side magnitude of voltage, therefore the actual motion efficiency of transformer can not be analyzed and improve the mode of operational energy efficiency.
Utility model content
For the problems referred to above, the utility model proposes a kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment.
For solving above technical matters, the technical scheme that the utility model provides is:
A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment, it is characterized in that, comprise transformer, original edge voltage sensor, primary current sensor, secondary voltage sensor, secondary current sensor, temperature sensor and monitoring terminal, described transformer comprises former avris and secondary side, described original edge voltage sensor and primary current sensor are installed on the former avris of transformer, described secondary voltage sensor and secondary current sensor are installed on the secondary side of transformer, described temperature sensor quantity is 2, be arranged in transformer and outside transformer respectively, described monitoring terminal and original edge voltage sensor, primary current sensor, secondary voltage sensor, secondary current sensor and temperature sensor chain, monitoring terminal comprises gps clock, data processing module and LCD display, described data processing module comprises multiple process chip.
Above-mentioned a kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment, wherein, transformer comprises three-phase A, B, C and neutral point N, and process chip 721 is dsp chip.
Principle of work of the present utility model:
Temperature data when temperature sensor runs for collection site environment temperature and transformer, original edge voltage sensor and primary current sensor gather the voltage of the former avris of transformer, current data, secondary voltage sensor and secondary current sensor gather the voltage of the secondary side of transformer, current data, original edge voltage sensor, primary current sensor, secondary voltage sensor, the data collected are passed to monitoring terminal in the mode of signal by secondary current sensor and temperature sensor, monitoring terminal calculates the power of former avris and secondary side respectively according to the transformer primary avris collected and secondary side voltage and current signal, the efficiency of transformer is calculated again according to the power meter of former avris and secondary side, judge the efficiency grade of this transformer, monitoring terminal calculates the three-phase load unbalance rate of former pair according to the secondary side voltage and current signal of the transformer collected, active power, reactive power, the electric flux parameters such as voltage fluctuation rate, monitoring terminal is according to the transformer running temperature data collected, site environment temperature and three-phase load calculate the relation of transformer actual motion temperature and three-phase load, draw temperature load curve.
The beneficial effects of the utility model are:
A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment that the utility model proposes, its structure is simple, reasonable in design, the former avris of Real-Time Monitoring transformer and the electric current and voltage value of secondary side, and according to the load operating conditions of transformer, calculate the actual motion loss of transformer, the relevancy factor of analyzing influence transformer efficiency, find out the methods improving operational energy efficiency, reduce transformer loss, reduce because transformer fault causes the number of times of power failure, realize power distribution network transformer platform area high-level efficiency, low-loss, low failure operation and fine-grained management.
Accompanying drawing explanation
Fig. 1 the utility model schematic diagram.
Fig. 2 monitoring terminal schematic diagram.
Embodiment
A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment as shown in Figure 1, it is characterized in that, comprise transformer 1, original edge voltage sensor 2, primary current sensor 3, secondary voltage sensor 4, secondary current sensor 5, temperature sensor 6 and monitoring terminal 7, described transformer 1 comprises former avris 11 and secondary side 12, described original edge voltage sensor 2 and primary current sensor 3 are installed on the former avris 11 of transformer 1, described secondary voltage sensor 4 and secondary current sensor 5 are installed on the secondary side 12 of transformer 1, described temperature sensor 6 quantity is 2, be arranged in transformer 1 and outside transformer 1 respectively, described monitoring terminal 7 and original edge voltage sensor 2, primary current sensor 3, secondary voltage sensor 4, secondary current sensor 5 and temperature sensor 6 chain, monitoring terminal 7 comprises gps clock 71, data processing module 72 and LCD display 73, described data processing module 72 comprises multiple process chip 721.
Wherein, A, B, C are the three-phase of transformer, N is the neutral point of transformer, gps clock 71 is for adjusting the synchronism of original edge voltage sensor 2, primary current sensor 3, secondary voltage sensor 4 and secondary current sensor 5 sampling, data processing module 72 is for the simulating signal of computational analysis original edge voltage sensor 2, primary current sensor 3, secondary voltage sensor 4 and secondary current sensor 5, LCD display 73 is for showing Calculation results, and process chip 721 is dsp chip.
Principle of work of the present utility model:
Temperature data when temperature sensor runs for collection site environment temperature and transformer, original edge voltage sensor and primary current sensor gather the voltage of the former avris of transformer, current data, secondary voltage sensor and secondary current sensor gather the voltage of the secondary side of transformer, current data, original edge voltage sensor, primary current sensor, secondary voltage sensor, the data collected are passed to monitoring terminal in the mode of signal by secondary current sensor and temperature sensor, monitoring terminal calculates the power of former avris and secondary side respectively according to the transformer primary avris collected and secondary side voltage and current signal, the efficiency of transformer is calculated again according to the power meter of former avris and secondary side, judge the efficiency grade of this transformer, monitoring terminal calculates the three-phase load unbalance rate of former pair according to the secondary side voltage and current signal of the transformer collected, active power, reactive power, the electric flux parameters such as voltage fluctuation rate, monitoring terminal is according to the transformer running temperature data collected, site environment temperature and three-phase load calculate the relation of transformer actual motion temperature and three-phase load, draw temperature load curve.
A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment, its structure is simple, reasonable in design, the former avris of Real-Time Monitoring transformer and the electric current and voltage value of secondary side, and according to the load operating conditions of transformer, calculate the actual motion loss of transformer, the relevancy factor of analyzing influence transformer efficiency, find out the methods improving operational energy efficiency, reduce transformer loss, reduce because transformer fault causes the number of times of power failure, realize power distribution network transformer platform area high-level efficiency, low-loss, low failure operation and fine-grained management.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (3)
1. an Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment, it is characterized in that, comprise transformer, original edge voltage sensor, primary current sensor, secondary voltage sensor, secondary current sensor, temperature sensor and monitoring terminal, described transformer comprises former avris and secondary side, described original edge voltage sensor and primary current sensor are installed on the former avris of transformer, described secondary voltage sensor and secondary current sensor are installed on the secondary side of transformer, described temperature sensor quantity is 2, be arranged in transformer and outside transformer respectively, described monitoring terminal and original edge voltage sensor, primary current sensor, secondary voltage sensor, secondary current sensor and temperature sensor chain, monitoring terminal comprises gps clock, data processing module and LCD display, described data processing module comprises multiple process chip.
2. a kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment as claimed in claim 1, it is characterized in that, transformer comprises three-phase A, B, C and neutral point N.
3. a kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment as claimed in claim 1, it is characterized in that, process chip is dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823822.5U CN204374298U (en) | 2014-12-24 | 2014-12-24 | A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823822.5U CN204374298U (en) | 2014-12-24 | 2014-12-24 | A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374298U true CN204374298U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420823822.5U Expired - Fee Related CN204374298U (en) | 2014-12-24 | 2014-12-24 | A kind of Energy Efficiency of Distribution Transformer on-line monitoring analytical equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204374298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502691A (en) * | 2014-12-24 | 2015-04-08 | 镇江长河电力技术有限公司 | Online monitoring and analysis device for energy efficiency of distribution transformer |
| CN109613347A (en) * | 2018-10-17 | 2019-04-12 | 云南电网有限责任公司曲靖供电局 | A kind of excitation property detection method and device of transformer |
-
2014
- 2014-12-24 CN CN201420823822.5U patent/CN204374298U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502691A (en) * | 2014-12-24 | 2015-04-08 | 镇江长河电力技术有限公司 | Online monitoring and analysis device for energy efficiency of distribution transformer |
| CN109613347A (en) * | 2018-10-17 | 2019-04-12 | 云南电网有限责任公司曲靖供电局 | A kind of excitation property detection method and device of transformer |
| CN109613347B (en) * | 2018-10-17 | 2021-01-19 | 云南电网有限责任公司曲靖供电局 | Excitation characteristic detection method and device of transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200806 Address after: Room 1104 / 1105, 11 / F, building 4, yinneng Huanghe homestead, 67 Beibinhe West Road, Anning District, Lanzhou City, Gansu Province Patentee after: Gansu Yulong Chuangxing Electric Power Technology Service Co., Ltd Address before: 212003 east side of Runxing Road, Runzhou Private Economic Development Zone, Zhenjiang City, Jiangsu Province (Room 408, 4th floor, North unit, Jintai building) Patentee before: ZHENJIANG CHANGHE ELECTRIC POWER TECHNOLOGY Co.,Ltd. |
|
| 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: 20150603 Termination date: 20201224 |