CN111505404A - Frequency and voltage stabilizing lifting transformer and frequency and voltage stabilizing method - Google Patents
Frequency and voltage stabilizing lifting transformer and frequency and voltage stabilizing method Download PDFInfo
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- CN111505404A CN111505404A CN201911135353.1A CN201911135353A CN111505404A CN 111505404 A CN111505404 A CN 111505404A CN 201911135353 A CN201911135353 A CN 201911135353A CN 111505404 A CN111505404 A CN 111505404A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
Abstract
The invention discloses a frequency and voltage stabilizing lifting transformer and a frequency and voltage stabilizing method, which comprise a transformer body, an electric power detection device, an environment detection device, a tap switch signal processing module, a processor and a remote control terminal, wherein the electric power detection device and the tap switch signal processing module are connected with the transformer body, the electric power detection device is used for detecting the voltage and the current of the transformer body, the environment detection device is used for detecting the environmental data of the transformer body in real time, the tap switch signal processing module is used for detecting the tap switch gear state of the lifting transformer, the electric power detection device, the environment detection device and the tap switch signal processing module are simultaneously connected with the processor through a bus, and the processor is connected with the remote control terminal. The frequency and voltage stabilizing lifting transformer can enable the transformer to work in a frequency and voltage stabilizing interval all the time, relevant personnel can know the working condition and the variation trend of the transformer in time, remove faults in time and make corresponding strategies to ensure that the working efficiency of the transformer is improved.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a frequency and voltage stabilizing lifting transformer and a frequency and voltage stabilizing method.
Background
In recent years, the construction of power grids in China is developed at a high speed, so that the rapid increase of the power consumption and the continuous increase of the installed capacity of power generation in the whole society are realized, the adjustment of the structure of the power grid is accelerated, and the technical level of equipment is further improved. The transformer is used as the power equipment of the core of the power system, the running state of the transformer directly influences the safe running level of the power system, and the transformer is subjected to accidents to directly and indirectly cause great economic loss.
At present, the research on the intelligent configuration of high-voltage equipment such as transformers and the like is mainly performed by domestic scholars, related literature reports are rarely found abroad, and the production and research of intelligent transformers are highly valued by transformer manufacturers. In order to ensure the safe operation of the power transformer in the working process, latent faults and development trends of the transformer need to be discovered as soon as possible, so that the faults of the transformer are effectively diagnosed, and the operation state of the transformer is accurately judged, which has important significance for the safe operation of a power system. However, the existing research has few detection means for the lifting transformer, latent faults and development trends cannot be predicted in time, and the working safety is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a frequency and voltage stabilizing lifting transformer and a frequency and voltage stabilizing method.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a steady frequency steady voltage step-up transformer, including the transformer body, electric power detection device, environment detection device, tapping switch signal processing module, treater and remote control terminal, electric power detection device and tapping switch signal processing module are connected with the transformer body, electric power detection device is used for detecting the voltage and the electric current of transformer body, environment detection device is used for carrying out real-time detection to the environmental data that the transformer body was located, the tapping switch gear state that tapping switch signal processing module is used for detecting step-up transformer, electric power detection device, environment detection device and tapping switch signal processing module link to each other with the treater through the bus simultaneously, treater and remote control terminal link to each other.
By means of the power detection device, the effect of detecting the voltage and the current of the transformer body in real time can be achieved, and the purpose of preventing the voltage and the current of the transformer body from abnormal conditions is achieved;
by means of the environment detection device, the effect of detecting the environment data of the transformer body in real time can be achieved, and the purpose of judging whether the transformer body is in an abnormal working state or not is achieved; the detection of the tap changer signal processing module can realize the detection of the tap changer gear state of the transformer, and the purpose of judging whether the transformer body is normally in the working state is achieved; the remote control terminal can receive various state data of the transformer body and analyze and store the state data, and the purpose of facilitating maintenance and detection of the transformer by related personnel is achieved.
As a preferred scheme, the environment detection device comprises a temperature sensor, a humidity sensor and a smoke sensor, and the temperature sensor, the humidity sensor and the smoke sensor are all connected with the processor through buses.
As a preferable scheme, the output end of the frequency and voltage stabilizing and lifting transformer is connected with at least one voltage stabilizing diode, and the voltage stabilizing diode is connected with the output load in parallel. The design effectively reduces the influence of the output voltage along with the load change or the input voltage change, and realizes the voltage-stabilized output.
As a preferable scheme, the input end and the output end of the frequency and voltage stabilizing lifting transformer are respectively connected in series with a fuse. When the circuit power supply system is normal, the intelligent fuse does not play a role in protection, and the transformer works normally; when the circuit fault is eliminated, the circuit is automatically restored and the circuit is connected.
A frequency and voltage stabilizing method of a frequency and voltage stabilizing lifting transformer comprises the following steps:
step 1, a lifting transformer starts to work, a power detection device detects voltage and current of a transformer body, an environment detection device detects environment data of the transformer body in real time, and a decomposition switch signal processing module detects the tap switch gear state of the lifting transformer;
step 2, the processor collects and sends voltage and current data detected by the power detection device, environment data detected by the environment detection device and tap changer gear state data to the remote control terminal;
and 3, after receiving the data, the remote control terminal analyzes and processes the data, compares the data with a set threshold value, indicates that the transformer works abnormally if the data exceeds the set threshold value, and reminds related personnel to perform maintenance and detection at the moment.
As a preferable scheme, in the step 3, the process of analyzing and processing the data further includes performing an integral operation on the numerical value of the environmental data, calculating a variation trend of the temperature data and the humidity data, and reporting the variation trend to the relevant personnel.
As a preferable scheme, in the step 3, the process of analyzing and processing the data further includes performing multiple integral operation on the numerical value of the environmental data, calculating an average value of the temperature data and the humidity data, predicting the trend of the temperature and the humidity according to the result, and reporting the trend prediction to related personnel.
The frequency and voltage stabilizing lifting transformer has the advantages that the frequency and voltage stabilizing lifting transformer can enable the transformer to work in a frequency and voltage stabilizing interval all the time, relevant personnel can know the working condition and the variation trend of the transformer in time, remove faults in time and make corresponding strategies to ensure that the working efficiency of the transformer is improved. The invention has simple structure and strong practicability.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Wherein: 1. the transformer comprises a transformer body, 2, a remote control terminal, 11, a power detection device, 12, an environment detection device, 13, a tap changer signal processing module, 14 and a processor.
Detailed Description
The invention is further described below with reference to the figures and examples.
1, implementation: the utility model provides a steady frequency and voltage elevating transformer, as shown in figure 1, including transformer body 1, electric power detection device 11, environment detection device 12, tap changer signal processing module 13, treater 14 and remote control terminal 2, electric power detection device and tap changer signal processing module are connected with the transformer body, electric power detection device is used for detecting the voltage and the electric current of transformer body, environment detection device is used for carrying out real-time detection to the environmental data that the transformer body was located, resolver signal processing module is used for detecting the tap changer gear state of elevating transformer, electric power detection device, environment detection device and tap changer signal processing module link to each other with the treater through the bus simultaneously, treater and remote control terminal link to each other.
The environment detection device comprises a temperature sensor, a humidity sensor and a smoke sensor, wherein the temperature sensor, the humidity sensor and the smoke sensor are all connected with the processor through buses. The output end of the frequency and voltage stabilizing lifting transformer is connected with at least one voltage stabilizing diode, and the voltage stabilizing diode is connected with an output load in parallel. The input end and the output end of the frequency and voltage stabilizing lifting transformer are respectively connected with a fuse in series.
By means of the power detection device, the effect of detecting the voltage and the current of the transformer body in real time can be achieved, and the purpose of preventing the voltage and the current of the transformer body from abnormal conditions is achieved;
by means of the environment detection device, the effect of detecting the environment data of the transformer body in real time can be achieved, and the purpose of judging whether the transformer body is in an abnormal working state or not is achieved; the detection of the tap changer signal processing module can realize the detection of the tap changer gear state of the transformer, and the purpose of judging whether the transformer body is normally in the working state is achieved; the remote control terminal can receive various state data of the transformer body and analyze and store the state data, and the purpose of facilitating maintenance and detection of the transformer by related personnel is achieved.
A frequency and voltage stabilizing method of a frequency and voltage stabilizing lifting transformer comprises the following steps:
step 1, a lifting transformer starts to work, a power detection device detects voltage and current of a transformer body, an environment detection device detects environment data of the transformer body in real time, and a decomposition switch signal processing module detects the tap switch gear state of the lifting transformer;
step 2, the processor collects and sends voltage and current data detected by the power detection device, environment data detected by the environment detection device and tap changer gear state data to the remote control terminal;
and 3, after receiving the data, the remote control terminal analyzes and processes the data, compares the data with a set threshold value, indicates that the transformer works abnormally if the data exceeds the set threshold value, and reminds related personnel to perform maintenance and detection at the moment.
In the step 3, the process of analyzing and processing the data further comprises the steps of performing integral operation on the numerical value of the environmental data, calculating the variation trend of the temperature data and the humidity data, and reporting the variation trend to related personnel.
Example 2: the principle and implementation method of the frequency and voltage stabilizing lifting transformer are basically the same as those of the embodiment 1, and the difference is that in the step 3 of the frequency and voltage stabilizing method, the process of analyzing and processing the data also comprises the steps of performing multiple integral operation on the numerical value of the environmental data, calculating the average value of the temperature data and the humidity data, predicting the trend of the temperature and the humidity according to the result, and reporting the trend prediction to related personnel.
Claims (7)
1. The utility model provides a steady frequency and steady voltage lifting transformer, which is characterized by, including the transformer body, the electric power detection device, the environment detection device, tap changer signal processing module, treater and remote control terminal, electric power detection device and tap changer signal processing module are connected with the transformer body, the electric power detection device is used for detecting the voltage and the electric current of transformer body, the environment detection device is used for carrying out real-time detection to the environmental data that the transformer body was located, decomposition switch signal processing module is used for detecting lifting transformer's tap changer gear state, the electric power detection device, environment detection device and tap changer signal processing module link to each other with the treater through the bus simultaneously, treater and remote control terminal link to each other.
2. The frequency and voltage stabilizing lifting transformer according to claim 1, wherein the environment detection device comprises a temperature sensor, a humidity sensor and a smoke sensor, and the temperature sensor, the humidity sensor and the smoke sensor are all connected with the processor through buses.
3. A frequency and voltage stabilized step-up transformer according to claim 1 or 2, characterised in that the output of the frequency and voltage stabilized step-up transformer is connected to at least one zener diode, which is connected in parallel to the output load.
4. A frequency and voltage stabilizing step-up/down transformer as claimed in claim 1 or 2, wherein the input and output terminals of the frequency and voltage stabilizing step-up/down transformer are connected in series with fuses respectively.
5. A frequency and voltage stabilizing method of a frequency and voltage stabilizing lifting transformer is characterized by comprising the following steps:
step 1, a lifting transformer starts to work, a power detection device detects voltage and current of a transformer body, an environment detection device detects environment data of the transformer body in real time, and a decomposition switch signal processing module detects the tap switch gear state of the lifting transformer;
step 2, the processor collects and sends voltage and current data detected by the power detection device, environment data detected by the environment detection device and tap changer gear state data to the remote control terminal;
and 3, after receiving the data, the remote control terminal analyzes and processes the data, compares the data with a set threshold value, indicates that the transformer works abnormally if the data exceeds the set threshold value, and reminds related personnel to perform maintenance and detection at the moment.
6. The method as claimed in claim 5, wherein the step 3 of analyzing and processing the data further comprises integrating the environmental data, calculating the variation trend of the temperature data and the humidity data, and reporting the variation trend to the relevant personnel.
7. The method as claimed in claim 5, wherein the step 3 of analyzing and processing the data further comprises performing multiple integration operations on the environmental data, calculating an average value of the temperature data and the humidity data, predicting the trend of the temperature and the humidity according to the result, and reporting the trend prediction to the relevant personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911135353.1A CN111505404A (en) | 2019-11-19 | 2019-11-19 | Frequency and voltage stabilizing lifting transformer and frequency and voltage stabilizing method |
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| CN201911135353.1A CN111505404A (en) | 2019-11-19 | 2019-11-19 | Frequency and voltage stabilizing lifting transformer and frequency and voltage stabilizing method |
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| CN108696142A (en) * | 2018-06-28 | 2018-10-23 | 张家港鑫峰机电有限公司 | A kind of high frequency transformer of frequency conversion type Switching Power Supply |
| CN109856501A (en) * | 2019-01-13 | 2019-06-07 | 广西电网有限责任公司南宁供电局 | A kind of on-load tap changers of transformers and winding deformation fault detection method |
| CN110243780A (en) * | 2019-07-16 | 2019-09-17 | 国网湖南省电力有限公司 | A kind of Internet of Things type power transformer environment monitoring device |
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2019
- 2019-11-19 CN CN201911135353.1A patent/CN111505404A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097961A (en) * | 2010-12-24 | 2011-06-15 | 广州金升阳科技有限公司 | Voltage stabilization method applied to output of piezoelectric transformer |
| CN102957208A (en) * | 2012-09-19 | 2013-03-06 | 北开电气集团有限公司 | Intelligent monitoring device of power distribution transformer and control method thereof |
| CN103413180A (en) * | 2013-07-22 | 2013-11-27 | 上海电力实业有限公司 | Electric car charging load forecasting system and method based on Monte Carlo simulation method |
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| CN105743358A (en) * | 2016-04-26 | 2016-07-06 | 安徽师范大学 | Backup continuous variable frequency power supply |
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