CN114210124A - Automatic insulating oil treatment device for extra-high voltage converter station - Google Patents
Automatic insulating oil treatment device for extra-high voltage converter station Download PDFInfo
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- CN114210124A CN114210124A CN202111436601.3A CN202111436601A CN114210124A CN 114210124 A CN114210124 A CN 114210124A CN 202111436601 A CN202111436601 A CN 202111436601A CN 114210124 A CN114210124 A CN 114210124A
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- oil
- flow rate
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- automatic
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- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000004364 calculation method Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 58
- 238000001914 filtration Methods 0.000 abstract description 16
- 239000010724 circulating oil Substances 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transformer Cooling (AREA)
Abstract
The invention provides an automatic insulating oil treatment device for an extra-high voltage converter station, which comprises a plurality of oil tanks; a measuring sensor device is additionally arranged on one side of the oil tanks and used for measuring insulating oil parameters and transmitting the measured insulating oil parameters to a controller; an electric control full-automatic valve and a flow rate meter are arranged between the oil tanks and the oil filter; the electric control full-automatic valve outputs the valve switching value and sends the valve switching value to the controller; the flow rate flowmeter outputs a flow rate signal and a flow signal, and the flow rate signal and the flow signal are sent to the controller; the full-automatic control and monitoring system for the working sections of full-sealed oil filtering, vacuum oil feeding, transformer circulating oil filtering and the like is generally realized.
Description
Technical Field
The invention relates to the technical field of extra-high voltage converter stations, in particular to an automatic insulating oil treatment device for an extra-high voltage converter station.
Background
In the existing insulating oil treatment device of the extra-high voltage converter station, all hardware facilities of the device adopt manually operated equipment, only the automation degree is semi-automatic, and the whole oil filtering process of a circulating oil filtering and oil feeding system needs manual participation to carry out necessary measurement and control work such as opening and closing of a hand valve, adjustment of a control valve, measurement of oil body data and the like. Therefore, the oil filtering system has low efficiency, the continuous and stable operation of the equipment is long, the product quality is unstable, the human resource consumption is high, and the like.
Disclosure of Invention
The invention aims to provide an automatic insulating oil treatment device for an extra-high voltage converter station, aiming at the defects of the prior art, so that the oil temperature is accurately controlled, the problem of excessive control of a heater is reduced, and the purposes of saving energy and reducing consumption are achieved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an automatic insulating oil treatment device for an extra-high voltage converter station, which comprises a plurality of oil tanks;
a measuring sensor device is additionally arranged on one side of the oil tanks and used for measuring insulating oil parameters and transmitting the measured insulating oil parameters to a controller;
an electric control full-automatic valve and a flow rate meter are arranged between the oil tanks and the oil filter; the electric control full-automatic valve outputs the valve switching value and sends the valve switching value to the controller; and the flow rate flowmeter outputs a flow rate signal and a flow signal and sends the flow rate signal and the flow signal to the controller.
Further, the oil tanks are connected with a transformer, and the transformer outputs a first state quantity and transmits the first state quantity to the controller; the oil filter outputs a second state quantity and conveys the second state quantity to the controller.
Further, the controller receives the signals of the measured insulating oil parameter, the valve switching value, the flow speed signal, the flow signal, the first state quantity and the second state quantity, outputs a first control signal to the vacuum oil pump motor after calculation, outputs a second control signal to the heater, and outputs a third control signal to the display monitoring module; and outputting a fourth control signal to the alarm module.
Further, the controller comprises an A/D module converter, the A/D module converter converts signals into digital quantity and then transmits the digital quantity to a control algorithm, and the control algorithm receives the valve switching quantity, the first state quantity, the second state quantity and the digital quantity signals, and outputs the first control signal, the second control signal, the third control signal and the fourth control signal to corresponding controlled objects through programming calculation.
The invention has the beneficial effects that: carry out the hardware repacking with original semi-automatization's insulating oil filtration system, include to change original hand valve into automatically controlled ooff valve, added flow control module and replaced original valve control flow, added measurement and sensing equipment in oil tank department and replaced original artifical reading manual measurement, added control and alarm module and can show the operating condition and the data of each part of unit and realize remote control to the unit on the computer. The full-automatic control and monitoring system for the working sections of full-sealed oil filtering, vacuum oil feeding, transformer circulating oil filtering and the like is generally realized.
Drawings
FIG. 1 is a schematic pipeline diagram of an automatic insulating oil treatment device of an extra-high voltage converter station according to the invention;
fig. 2 is a diagram showing an internal structure of the controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, an automatic insulating oil treatment device for an extra-high voltage converter station comprises a plurality of oil tanks;
a measuring sensor device N1 is additionally arranged on one side of the oil tanks and used for measuring an insulating oil parameter N1.1 and transmitting the measured insulating oil parameter N1.1 to a controller N3;
an electric control full-automatic valve N200 and a flow rate meter N201 are arranged between the oil tanks and the oil filters; the electric control full-automatic valve N200 outputs a valve opening and closing amount N2.1, and the valve opening and closing amount N2.1 is sent to the controller N3; the flow rate meter N201 outputs a flow rate signal N2.2 and a flow rate signal N2.3, and sends the flow rate signal N2.2 and the flow rate signal N2.3 to the controller N3.
A plurality of the oil tanks are connected to a transformer 300, and the transformer 300 outputs a first state quantity N4.11 and delivers the first state quantity N4.11 to the controller N3; the oil filter outputs a second state quantity N4.12 and delivers the second state quantity N4.12 to the controller N3.
The controller N3 receives the signals of the measured insulating oil parameter N1.1, the valve switching value N2.1, the flow rate signal N2.2, the flow signal N2.3, the first state quantity N4.11 and the second state quantity N4.12, outputs a first control signal N3.1 to the vacuum oil pump motor, outputs a second control signal N3.2 to the heater and outputs a third control signal N3.3 to the display monitoring module after calculation; and outputting a fourth control signal N3.4 to the alarm module.
The controller N3 includes an a/D module converter N31, the a/D module converter N31 converts the signal into a digital quantity, and then transmits the digital quantity to a control algorithm N32, and the control algorithm N32 receives the valve switching value N2.1, the first state quantity N4.11, the second state quantity N4.12 and the digital quantity signal, and outputs the first control signal N3.1, the second control signal N3.2, the third control signal N3.3 and the fourth control signal N3.4 to corresponding controlled objects through programmed calculation.
Example one
The original manual valve is changed into an electric control cut-off valve at the inlet and outlet of the oil tank, the cut-off valve is controlled to be switched on and off more quickly, and the safety performance is better. The controller of the automatic control system controls the opening and closing of the valve, so that the requirement of manpower is reduced, and the safety and the reliability of the oil filtering system are improved. The electric control valve outputs the switching value N2.1 to the controller N3.
The measurement and record of data parameters such as pressure resistance, micro water, gas content, dielectric loss, granularity and the like in the right side of the tank body are manually measured and recorded, and the automatic measurement is realized by additionally arranging a sensor and a monitoring device N1. And then, data are transmitted to a controller algorithm N32 through a digital-to-analog converter N31, a program is written for the controller N32, the controller judges the current working state, and a next working instruction is sent to the oil filtering system.
Monitoring the flow and flow rate between the oil tank-transformer and the oil tank-oil filter by using a flow meter to obtain N2.2 and N2.3 information, and controlling the flow by using a controller. The automatic flow rate control system has the advantages that the former manual working mode of the experimental type is replaced by the automatic working mode of strictly controlling the flow rate according to the standard, the system is more stable and accurate to operate through data, the reliability of the system is improved, and the working efficiency is improved.
And (4) according to the improved oil filtering system, carrying out matched monitoring equipment and software function design. The additionally arranged and modified sensors and valves send working state information to the controller N32 through the digital-to-analog converter N31, and the controller N32 controls the vacuum pump, the oil pump and the transmission motor through a preset control program to control the oil filtering system to carry out oil filtering, oil feeding and circulating oil filtering processes. The measured data and the working state of the oil filtering system can be displayed on the monitoring equipment in real time through the display module, when a certain data is in a problem, the system can remind a worker to solve the problem in time through the alarm function module, and whether the current oil filtering process is suspended or not can be selected in a controllable mode.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be defined by the appended claims.
Claims (4)
1. The utility model provides an extra-high voltage converter station automatic insulating oil processing apparatus which characterized in that: comprises a plurality of oil tanks;
-adding a measuring sensor device (N1) to one side of said tanks for measuring an insulating oil parameter (N1.1) and feeding said measured insulating oil parameter (N1.1) to a controller (N3);
an electric control full-automatic valve (N200) and a flow rate meter (N201) are arranged between the oil tanks and the oil filter (100); the electric control full-automatic valve (N200) outputs a valve switching value (N2.1) and sends the valve switching value (N2.1) to the controller (N3); the flow rate meter (N201) outputs a flow rate signal (N2.2) and a flow rate signal (N2.3), and sends the flow rate signal (N2.2) and the flow rate signal (N2.3) to the controller (N3).
2. The automatic insulating oil treatment device for the extra-high voltage converter station according to claim 1, characterized in that: a plurality of the oil tanks are connected with a transformer (300), the transformer (300) outputs a first state quantity (N4.11) and transmits the first state quantity (N4.11) to the controller (N3); the oil filter outputs a second state variable (N4.12) and delivers the second state variable (N4.12) to the control unit (N3).
3. The automatic insulating oil treatment device for the extra-high voltage converter station according to claim 2, characterized in that: the controller (N3) receives the measured insulating oil parameter (N1.1), the valve switching value (N2.1), the flow rate signal (N2.2), the flow signal (N2.3), the first state quantity (N4.11) and the second state quantity (N4.12), calculates the signals, and outputs a first control signal (N3.1) to the vacuum oil pump motor, a second control signal (N3.2) to the heater and a third control signal (N3.3) to the display monitoring module; and outputting a fourth control signal (N3.4) to the alarm module.
4. The automatic insulating oil treatment device for the extra-high voltage converter station according to claim 3, characterized in that: the controller (N3) comprises an A/D module converter (N31), the A/D module converter (N31) converts signals into digital quantities and then transmits the digital quantities to a control algorithm (N32), and the control algorithm (N32) receives the valve switching quantity (N2.1), the first state quantity (N4.11), the second state quantity (N4.12) and the digital quantity signals and outputs the first control signal (N3.1), the second control signal (N3.2), the third control signal (N3.3) and the fourth control signal (N3.4) to corresponding controlled objects through programming calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436601.3A CN114210124A (en) | 2021-11-29 | 2021-11-29 | Automatic insulating oil treatment device for extra-high voltage converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436601.3A CN114210124A (en) | 2021-11-29 | 2021-11-29 | Automatic insulating oil treatment device for extra-high voltage converter station |
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| Publication Number | Publication Date |
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| CN114210124A true CN114210124A (en) | 2022-03-22 |
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| CN202111436601.3A Pending CN114210124A (en) | 2021-11-29 | 2021-11-29 | Automatic insulating oil treatment device for extra-high voltage converter station |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056675A (en) * | 2005-08-22 | 2007-03-08 | Toshiba Corp | Speed governing controller |
| US20140286714A1 (en) * | 2013-03-08 | 2014-09-25 | Xyleco, Inc. | Processing materials |
| CN105373155A (en) * | 2014-08-31 | 2016-03-02 | 田荣侠 | Intelligent temperature control device for electric oven |
| CN206041290U (en) * | 2016-09-29 | 2017-03-22 | 国家电网公司 | Oil affair processing system of transformer substation |
| CN107221411A (en) * | 2017-06-14 | 2017-09-29 | 华北电力大学 | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device |
| CN209169777U (en) * | 2018-11-30 | 2019-07-26 | 国电大渡河检修安装有限公司 | Vacuum oil filling device for transformer |
| CN111192745A (en) * | 2020-02-17 | 2020-05-22 | 国网甘肃省电力公司电力科学研究院 | Vacuum oil injection system and process flow of large-scale extra-high voltage oil filling equipment |
-
2021
- 2021-11-29 CN CN202111436601.3A patent/CN114210124A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056675A (en) * | 2005-08-22 | 2007-03-08 | Toshiba Corp | Speed governing controller |
| US20140286714A1 (en) * | 2013-03-08 | 2014-09-25 | Xyleco, Inc. | Processing materials |
| CN105373155A (en) * | 2014-08-31 | 2016-03-02 | 田荣侠 | Intelligent temperature control device for electric oven |
| CN206041290U (en) * | 2016-09-29 | 2017-03-22 | 国家电网公司 | Oil affair processing system of transformer substation |
| CN107221411A (en) * | 2017-06-14 | 2017-09-29 | 华北电力大学 | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device |
| CN209169777U (en) * | 2018-11-30 | 2019-07-26 | 国电大渡河检修安装有限公司 | Vacuum oil filling device for transformer |
| CN111192745A (en) * | 2020-02-17 | 2020-05-22 | 国网甘肃省电力公司电力科学研究院 | Vacuum oil injection system and process flow of large-scale extra-high voltage oil filling equipment |
Non-Patent Citations (1)
| Title |
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| 刘显荣: "《微机原理与嵌入式接口技术》", 31 August 2016 * |
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Application publication date: 20220322 |
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