CN107807229A - The cryogenic property detecting system and its detection method of a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device - Google Patents
The cryogenic property detecting system and its detection method of a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device Download PDFInfo
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- CN107807229A CN107807229A CN201710991824.3A CN201710991824A CN107807229A CN 107807229 A CN107807229 A CN 107807229A CN 201710991824 A CN201710991824 A CN 201710991824A CN 107807229 A CN107807229 A CN 107807229A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
- G01N33/2841—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel gas in oil, e.g. hydrogen in insulating oil
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Abstract
The invention discloses a kind of cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device and its detection method, its device includes detection means to be measured, oil sample sampling pool and standard detection device, and the detection means to be measured connects the loop to form oil circuit with oil sample sampling pool by oil inlet pipe and oil return pipe；It is also associated with detecting data processor in the detection means to be measured, the standard detection device connects with detection data processor.The advantage of the invention is that：Its cryogenic property detecting system by building Gases Dissolved in Transformer Oil on-Line Monitor Device, by the detection data of detection means to be measured at low ambient temperatures, compared with the detection data of standard detection device at normal temperatures, to judge accuracy of detection and accuracy of the detection means to be measured under low temperature environment operation, so as to judge whether it being capable of reliability service under cryogenic.
Description
Technical field
The present invention relates to the monitoring technical field of transformer auxiliary equipment, and in particular to a kind of Gases Dissolved in Transformer Oil
The cryogenic property detecting system and its detection method of on-Line Monitor Device.
Background technology
With the continuous expansion of power network scale, the power equipment maintenance work under complicated landform, weather conditions is also more next
More, on-Line Monitor Device turns into the most effective means monitored in real time to line condition.At present, transformer is monitored on-line
The normal working temperature scope of device is generally -40~+85 DEG C.In the winter time, the temperature of China some areas is chronically at -30 DEG C
Hereinafter, under severe low temperature environment, the electric property and mechanical performance of power transmission and transforming equipment are all directly affected, and power transmission and transformation are online
Monitoring device cold operation state plays conclusive effect to the safe and stable operation of power network.
At present, conventional Gases Dissolved in Transformer Oil on-Line Monitor Device will supervise when carrying out environmental suitability test
Survey device to be placed in specific low-temperature test environment, the working condition of monitoring device is checked, its main purpose is guarantor
Card equipment can be run at low ambient temperatures, but can not complete having for the measurement data to on-Line Monitor Device at low ambient temperatures
The check of effect property and measurement accuracy.However, under the influence of low temperature, as the sensor of power transmission and transforming equipment on-Line Monitor Device,
Its precision, reliability will all bear harsh test.Therefore, under the adverse circumstances such as low temperature power transmission and transformation status monitoring will
Ask, it is necessary to accuracy of detection to the longtime running of Gases Dissolved in Transformer Oil on-Line Monitor Device at low ambient temperatures and can
Detected by property, it is ensured that its data truly can delicately reflect monitoring parameters at low ambient temperatures, it is ensured that in transformer oil
Dissolved gas on-Line Monitor Device data it is effective, reliable and stable, advanced and applicable.
The content of the invention
Present invention aim to the deficiency for existing apparatus, there is provided a kind of Gases Dissolved in Transformer Oil is supervised online
The cryogenic property detecting system and its detection method of device are surveyed, it can exist to Gases Dissolved in Transformer Oil on-Line Monitor Device
The check of detection data precision under low temperature environment, ensures the operational reliability of on-Line Monitor Device at low ambient temperatures, lifting
Normal operation lean is horizontal.
To achieve the above object, the low temperature of a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device involved in the present invention
Performance detecting system and its detection method, its device includes detection means to be measured, oil sample sampling pool and standard detection device, described
Detection means to be measured connects the loop to form oil circuit with oil sample sampling pool by oil inlet pipe and oil return pipe；
It is also associated with detecting data processor in the detection means to be measured, the standard detection device is with detecting at data
Manage device connection.
Further, in addition to low-temperature test chamber, the detection means to be measured are placed in low-temperature test chamber.
Further, it is additionally provided with sampling valve on the oil inlet pipe.
Further, it is connected with display on the detection data processor.
As preference, a side box wall of the low-temperature test chamber is provided with the perforate accessed for oil inlet pipe and oil return pipe.
As preference, a diameter of 5~10mm of the oil inlet pipe and oil return pipe.
A kind of detection method of the cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device, including such as
Lower step：
Step 1：The dissolved gas of oil sample in oil sample sampling pool is detected by detection means to be measured, and extracts experimental data：
Step 2：The dissolved gas of oil sample in oil sample sampling pool is detected by standard detection device, and extracts experimental data：
Step 3：The experimental data of detection means and standard detection device to be measured is contrasted, confirms the detection of detection means to be measured
Whether data meet accuracy requirement.
Further, in the step 1, concrete operations are as follows：
Step 1.1：The sampling valve is opened, connects the oil circuit between detection means to be measured and oil sample sampling pool；
Step 1.2：ON switch power supply, the temperature of low-temperature test chamber is adjusted, be in detection means to be measured and carry out low temperature
In the required temperature of test experience；
Step 1.3：Make detection means to be measured in running order, and worked certain time in above-mentioned low temperature environment；
Step 1.4：The detection data of detection means to be measured are extracted by detecting data processor, and are shown over the display
Show.
Further, in the step 2, concrete operations are as follows：
Step 2.1：Oil sample is extracted, and is sent into standard detection device and is detected；
Step 2.2：By detecting the detection data of data processor extraction standard detection means, and show over the display
Show.
Further, in the step 3：If the detection data of detection means to be measured meet accuracy requirement, show this
Detection means to be measured can truly reflect monitoring parameters at low ambient temperatures；If the detection data of detection means to be measured are unsatisfactory for
Accuracy requirement, then show the operation that the detection means to be measured can not be at low ambient temperatures.
The advantage of the invention is that：It is examined by building the cryogenic property of Gases Dissolved in Transformer Oil on-Line Monitor Device
Examining system, by the detection data of detection means to be measured at low ambient temperatures, with the detection data of standard detection device at normal temperatures
It is compared, to judge accuracy of detection and accuracy of the detection means to be measured under low temperature environment operation, so as to whether judge it
Being capable of reliability service under cryogenic.Its method can detect the detection essence of the detection means to be measured in low temperature environment operation
Degree, it is ensured that its data truly can delicately reflect monitoring parameters at low ambient temperatures.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of apparatus of the present invention；
Fig. 2 is flow chart of the method for the present invention.
In figure：Detection means 1 to be measured, oil sample sampling pool 2, oil inlet pipe 3, oil return pipe 4, detection data processor 5, standard inspection
Survey device 6, low-temperature test chamber 7, sampling valve 8, display 9.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Such as Fig. 1, a kind of cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device and its detection side
Method, its device include detection means 1 to be measured, oil sample sampling pool 2 and standard detection device 6, the detection means 1 to be measured and oil sample
Sampling pool 2 connects the loop to form oil circuit by oil inlet pipe 3 with oil return pipe 4；It is also associated with detecting in the detection means to be measured 1
Data processor 5, the standard detection device 6 connect with detection data processor 5.Also include low-temperature test chamber 7, it is described to treat
Detection means 1 is surveyed to be placed in low-temperature test chamber 7.Sampling valve 8 is additionally provided with the oil inlet pipe 3.The detection data processor 5
On be connected with display 9.One side box wall of the low-temperature test chamber 7 is provided with the perforate accessed for oil inlet pipe 3 and oil return pipe 4.
A diameter of 7.5mm of the oil inlet pipe 3 and oil return pipe 4.
Such as Fig. 2, a kind of detection method of the cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device,
Comprise the following steps：
Step 1：The dissolved gas of oil sample in oil sample sampling pool 2 is detected by detection means 1 to be measured, and extracts experiment number
According to：
Step 1.1：The sampling valve 8 is opened, connects the oil circuit between detection means 1 to be measured and oil sample sampling pool 2；
Step 1.2：ON switch power supply, the temperature of low-temperature test chamber 7 is adjusted, detection means 1 to be measured is in progress low
In the required temperature of warm test experience；
Step 1.3：Make detection means 1 to be measured in running order, and worked certain time in above-mentioned low temperature environment；
Step 1.4：The detection data of detection means 1 to be measured are extracted by detecting data processor 5, and on the display 9
Display；
Step 2：The dissolved gas of oil sample in oil sample sampling pool 2 is detected by standard detection device 6, and extracts experiment number
According to：
Step 2.1：Oil sample is extracted, and is sent into standard detection device 1 and is detected；
Step 2.2：By detecting the detection data of the extraction standard detection means 6 of data processor 5, and on the display 9
Display；
Step 3：Detection means 1 to be measured and the experimental data of standard detection device 6 are contrasted, confirms detection means 1 to be measured
Whether detection data meet accuracy requirement：If the detection data of detection means 1 to be measured meet accuracy requirement, show the inspection to be measured
Survey device 1 can truly reflect monitoring parameters at low ambient temperatures；If the detection data of detection means 1 to be measured are unsatisfactory for precision
Demand, then show the operation that the detection means 1 to be measured can not be at low ambient temperatures.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, there can also be many deformations.All technical spirits according to the present invention are to made for any of the above embodiments any simple
Modification, equivalent variations and modification, are considered as belonging to protection scope of the present invention.
Claims (10)
- A kind of 1. cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device, it is characterised in that：Including treating Survey detection means (1), oil sample sampling pool (2) and standard detection device (6), the detection means (1) to be measured and oil sample sampling pool (2) loop to form oil circuit is connected with oil return pipe (4) by oil inlet pipe (3)；It is also associated with detecting data processor (5), the standard detection device (6) and detection on the detection means to be measured (1) Data processor (5) connects.
- A kind of 2. cryogenic property detection system of Gases Dissolved in Transformer Oil on-Line Monitor Device according to claim 1 System, it is characterised in that：Also include low-temperature test chamber (7), the detection means (1) to be measured is placed in low-temperature test chamber (7).
- A kind of 3. cryogenic property detection system of Gases Dissolved in Transformer Oil on-Line Monitor Device according to claim 2 System, it is characterised in that：Sampling valve (8) is additionally provided with the oil inlet pipe (3).
- 4. a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device according to any one in claims 1 to 3 is low Warm performance detecting system, it is characterised in that：Display (9) is connected with the detection data processor (5).
- 5. a kind of detection method of the cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device, its feature exist In：Comprise the following steps：Step 1：The dissolved gas of oil sample in oil sample sampling pool (2) is detected by detection means to be measured (1), and extracts experiment number According to：Step 2：The dissolved gas of oil sample in oil sample sampling pool (2) is detected by standard detection device (6), and extracts experiment number According to：Step 3：Detection means to be measured (1) and the experimental data of standard detection device (6) are contrasted, confirms detection means to be measured (1) Detection data whether meet accuracy requirement.
- A kind of 6. cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device according to claim 5 Detection method, it is characterised in that：In the step 1：Concrete operations are as follows：Step 1.1：The sampling valve (8) is opened, connects the oil circuit between detection means to be measured (1) and oil sample sampling pool (2)；Step 1.2：ON switch power supply, the temperature of adjustment low-temperature test chamber (7), detection means to be measured (1) is set to be in progress low In the required temperature of warm test experience；Step 1.3：Make detection means to be measured (1) in running order, and worked certain time in above-mentioned low temperature environment；Step 1.4：The detection data of detection means (1) to be measured are extracted by detecting data processor (5), and in display (9) Upper display.
- A kind of 7. cryogenic property detecting system of Gases Dissolved in Transformer Oil on-Line Monitor Device according to claim 5 Detection method, it is characterised in that：In the step 2：Concrete operations are as follows：Step 2.1：Oil sample is extracted, and is sent into standard detection device (6) and is detected；Step 2.2：The detection data of standard detection device (6) are obtained by detecting data processor (5), and in display (9) Upper display.
- 8. a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device according to any one in claim 5~7 is low The detection method of warm performance detecting system, it is characterised in that：In the step 3：If the detection data of detection means (1) to be measured meet accuracy requirement, show that the detection means (1) to be measured can be truly anti- Reflect monitoring parameters at low ambient temperatures；If the detection data of detection means (1) to be measured are unsatisfactory for accuracy requirement, show that this is treated Survey the operation that detection means (1) can not be at low ambient temperatures.
- A kind of 9. cryogenic property detection system of Gases Dissolved in Transformer Oil on-Line Monitor Device according to claim 4 System, it is characterised in that：One side box wall of the low-temperature test chamber (7) is provided with to be opened for what oil inlet pipe (3) and oil return pipe (4) accessed Hole.
- A kind of 10. cryogenic property detection system of Gases Dissolved in Transformer Oil on-Line Monitor Device according to claim 8 System, it is characterised in that：The oil inlet pipe (3) and a diameter of 5~10mm of oil return pipe (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991824.3A CN107807229A (en) | 2017-10-23 | 2017-10-23 | The cryogenic property detecting system and its detection method of a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device |
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| CN201710991824.3A CN107807229A (en) | 2017-10-23 | 2017-10-23 | The cryogenic property detecting system and its detection method of a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device |
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| CN201710991824.3A Pending CN107807229A (en) | 2017-10-23 | 2017-10-23 | The cryogenic property detecting system and its detection method of a kind of Gases Dissolved in Transformer Oil on-Line Monitor Device |
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Cited By (1)
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| CN111551695A (en) * | 2020-04-23 | 2020-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Long-term operation reliability test method for online monitoring device for dissolved gas in oil |
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Application publication date: 20180316 |