CN102434477A - System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station - Google Patents
System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station Download PDFInfo
- Publication number
- CN102434477A CN102434477A CN2011103347104A CN201110334710A CN102434477A CN 102434477 A CN102434477 A CN 102434477A CN 2011103347104 A CN2011103347104 A CN 2011103347104A CN 201110334710 A CN201110334710 A CN 201110334710A CN 102434477 A CN102434477 A CN 102434477A
- Authority
- CN
- China
- Prior art keywords
- predefined value
- converter
- frequency
- value
- blower fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Temperature (AREA)
Abstract
The invention discloses a system for controlling an air cooling device to start and stop in an outdoor converter valve cooling system of a converter station. The control device of the system is used for controlling the air cooling device to start and stop. The air cooling device of the system is used for cooling the converter unit of the converter station. The data processing device of the system is used for detecting the valve inlet temperature of the converter unit in the converter station and outputting the preset first starting signal to the first frequency converting device of the control device in case that the generated temperature value is judged to be higher than the first preset value and lower than the second preset value. The data processing device is further used for detecting the working frequency of the running first frequency converting device and outputting the preset second starting signal to the second frequency converting device of the control device in case that the re-generated temperature value is judged to be more than the second preset value and the generated frequency value is equal to the third preset value. A method for controlling the air cooling device to start and stop in the outdoor converter valve cooling system of the converter station is further provided by the invention.
Description
Technical field:
The present invention relates to the current conversion station automation field, outer air-cooled start stop system of particularly a kind of current conversion station valve cooling and method.
Background technique:
In current conversion station; Outdoor heat exchange equipment is the converter valve cooling system necessary part; It carries out water with the heat exchanger pipe bundle of heat in air-cooler that inner cold system brings---and the wind heat radiation, heat is taken away by the cooling air of heat exchanger pipe bundle opposite side, thereby realizes heat radiation.
The outer air-cooled start stop system of existing current conversion station valve cooling, a general configuration 24 typhoon machines, by 12 Frequency Converter Control, i.e. Frequency Converter Control two typhoon machines.It is three groups greatly that all blower fans are divided into, and every group is become by 8 typhoon mechanisms, reaches 36 ℃ when advancing the valve temperature, and PLC controls time-delay automatically and started a big group blower fan in 2 minutes; When advancing the valve temperature greater than 38 ℃, delaying time started second group of blower fan in 2 minutes; When advancing the valve temperature greater than 40 ℃, delaying time started the 3rd group of blower fan in 2 minutes; Be lower than 34 ℃ when advancing the valve temperature, delay time and excised all blower fans in 2 minutes.Through above-mentioned control strategy, realized that blower fan relies on into valve temperature criterion automatic start-stop, make blower fan round 36 ℃ of poll start and stop of temperature given value, improve the blower fan utilization ratio effectively and reduced the fan trouble rate, ensured the reliable operation of straight-flow system.
Yet, when outdoor temperature lower, for example-20 ℃ about; Under the situation of converter unit direct current low power run; When for example power was 1400MW, the operation of outer air-cooled start stop system startup of current conversion station valve cooling and excision blower fan was very frequent, one group of blower fan of average every 5-8 minute start and stop; Make inner cold system expansion drum liquid level, advance parameters variations such as valve pressure, pressure of return water acutely; Cause the warnings such as " pressure of return water are low " of supervisory system newspaper, and produce a large amount of blower fan start and stop messages, system stable operation and operation monitoring are caused very big inconvenience.
Summary of the invention:
In view of this, be necessary to provide a kind of valve temperature into of can making to be controlled near the outer air-cooled start stop system of current conversion station valve cooling the setting value all the time.
Also be necessary to provide a kind of valve temperature into of can making to be controlled near the outer air-cooled start and stop method of current conversion station valve cooling the setting value all the time.
The outer air-cooled start stop system of a kind of current conversion station valve cooling comprises control gear, air cooling equipment and data processing equipment.Control gear is connected with air cooling equipment, and control gear also is connected with data processing equipment.
Control gear is used to control the air cooling equipment start and stop, and control gear comprises first frequency-converter device, second frequency-converter device, and first frequency-converter device, second frequency-converter device are connected with air cooling equipment.The actuating signal that first frequency-converter device, the second frequency-converter device response data treatment device provide, the work of control air cooling equipment.
Air cooling equipment is used for the converter unit of current conversion station is carried out wind cooling temperature lowering.Air cooling equipment comprise with control gear in the corresponding first blower fan group of frequency-converter device, the second blower fan group; What the first blower fan group, the second blower fan group were corresponding respectively electrically connects with first frequency-converter device, second frequency-converter device, and the first blower fan group, the second blower fan group all comprise two blower fans.
Data processing equipment be used for regularly detecting current conversion station converter unit advance the valve temperature; And the corresponding temperature value of generation; And whether the temperature value that judge to produce is greater than first preset plant and less than second predefined value; When the temperature value of judging generation reached less than second predefined value greater than first predefined value, the first preset actuating signal of output was given first converter plant of control gear, so that first converter plant is controlled the first blower fan group work; Data processing equipment also is used to detect the frequency of okperation of first converter plant of operation; And generation frequency value corresponding; Data processing equipment is used to also judge once more whether whether the temperature value that produces equal the 3rd predefined value greater than the frequency values of second predefined value and generation; When judging once more the temperature value that produces frequency values and equal the 3rd predefined value greater than second predefined value and generation; The second preset actuating signal of output is given second converter plant of control gear, starts working so that second converter plant is controlled the second blower fan group.
The outer air-cooled start and stop method of a kind of current conversion station valve cooling; The outer air-cooled start and stop method of this current conversion station valve cooling is applied to comprise in the outer air-cooled start stop system of current conversion station valve cooling of control gear, air cooling equipment and data processing equipment; The outer air-cooled start and stop method of this current conversion station valve cooling is represented through computer program; Behind the computer program of the outer air-cooled start and stop method of data processing equipment operation expression current conversion station valve cooling; Carry out following steps: that regularly detects converter unit in the current conversion station advances the valve temperature, and produces corresponding temperature value;
Judge that whether the temperature value that produces is greater than first predefined value and less than second predefined value;
When the temperature value of judging generation reached less than second predefined value greater than first predefined value, the first preset actuating signal of output was given first converter plant of control gear, so that the first blower fan group of first converter plant control air cooling equipment is worked;
Detect the frequency of okperation of first converter plant of operation, and produce frequency value corresponding;
Judge whether whether the temperature value that produces once more equal the 3rd predefined value greater than the frequency values of second predefined value and generation;
When judging once more the temperature value that produces frequency values and equal the 3rd predefined value greater than second predefined value and generation; The second preset actuating signal of output is given second converter plant of control gear, so that the second blower fan group of second converter plant control air cooling equipment is started working.
Utilize outer air-cooled start stop system of above-mentioned current conversion station valve cooling and method; Under the situation of, converter unit direct current low power run lower in outdoor temperature; Because what data processing equipment regularly detected converter unit in the current conversion station advances the valve temperature; And magnitude relationship and the frequency of okperation of converter plant and the magnitude relationship of the 3rd predefined value of the temperature value that judge to produce and first predefined value, second predefined value, and according to the startup of judged result adjusting blower fan group, stop, advancing the valve temperature with assurance and be controlled at all the time in 36 ± 0.5 ℃; Thereby make each Operational Limits of inner cold water system stable, " blower fan start and stop message " die-offs in the prison dish.
Description of drawings:
Accompanying drawing 1 is the functional block diagram of the outer air-cooled start stop system of current conversion station valve cooling of a preferred embodiments.
Accompanying drawing 2 is flow chart of steps of the outer air-cooled start and stop method of current conversion station valve cooling of a preferred embodiments.Among the figure: the steps flow chart S200～S206 of the outer air-cooled start stop system of current conversion station valve cooling 10, control gear 11, first frequency-converter device 111, second frequency-converter device 112, air cooling equipment 12, the first blower fan group 121, the second blower fan group 122, data processing equipment 13, the outer air-cooled start and stop method of current conversion station valve cooling
Embodiment:
As shown in Figure 1, the outer air-cooled start stop system 10 of current conversion station valve cooling comprises control gear 11, air cooling equipment 12 and data processing equipment 13.Control gear 11 is connected with air cooling equipment 12, and control gear 11 also is connected with data processing equipment 13.
In this mode of execution; In order to prevent that into the valve temperature changes because of the accident influence that receives external environment; And then cause the situation that stops, starting of data processing equipment 13 frequent control frequency-converter devices and blower fan group to take place; Data processing equipment 13, picks up counting and produces corresponding clocking value greater than first predefined value and during less than second predefined value at the temperature value of judging generation, and when judging that clocking value equals the preset first reference value, exports first actuating signal; Data processing equipment 13 is when judging once more the temperature value that the produces frequency values greater than second predefined value and generation and equal the 3rd predefined value; Pick up counting and produce corresponding clocking value, and when judging second reference value that clocking value equals to preset, export second actuating signal; Data processing equipment 13 output reduces signals when giving corresponding converter plant, picks up counting and produces corresponding clocking value, and when judging the 3rd reference value that clocking value equals to preset, close corresponding converter plant and blower fan group.Further; In order to reduce into valve temperature quickly and accurately; Increase in the control gear 11 the 3rd frequency-converter device to the 12 frequency-converter devices are set; Increase is provided with the 3rd blower fan group to the 12 blower fan groups in the corresponding air cooling equipment 12, and 13 pairs of every converter plants of data processing equipment carry out repeating query and start to realize the adjustment of valve temperature.
Please be simultaneously referring to the outer air-cooled start and stop method flow diagram of current conversion station valve cooling shown in Figure 2; The outer air-cooled start and stop method of this current conversion station valve cooling is applied to comprise in the outer air-cooled start stop system of current conversion station valve cooling of control gear, air cooling equipment and data processing equipment; The outer air-cooled start and stop method of this current conversion station valve cooling is represented through computer program; Behind the computer program of the outer air-cooled start and stop method of data processing equipment operation expression current conversion station valve cooling, carry out following steps:
Step S200, that regularly detects converter unit in the current conversion station advances the valve temperature, and produces corresponding temperature value.
Step S201 judges that whether the temperature value that produces is greater than first predefined value and less than second predefined value.
Step S202, when the temperature value of judging generation reached less than second predefined value greater than first predefined value, the first preset actuating signal of output was given first converter plant of control gear, so that the first blower fan group of first converter plant control air cooling equipment is worked.
Step S203 detects the frequency of okperation of first converter plant of operation, and produces frequency value corresponding.
Step S204 judges whether whether the temperature value that produces once more equal the 3rd predefined value greater than the frequency values of second predefined value and generation.
Step S205; When judging once more the temperature value that produces frequency values and equal the 3rd predefined value greater than second predefined value and generation; The second preset actuating signal of output is given second converter plant of control gear, so that the second blower fan group of second converter plant control air cooling equipment is started working.
Step S206; Judging once more the temperature value that produces greater than the frequency values of second predefined value and generation during less than the 3rd predefined value; The preset raising signal of output is given first converter plant of control gear, improves rotating speed so that first converter plant is controlled the first blower fan group.Further, if when judging once more the temperature value that produces less than first predefined value, output reduces signal and gives first converter plant, reduces rotating speed so that first converter plant is controlled the first blower fan group.
Claims (8)
1. the outer air-cooled start stop system of current conversion station valve cooling comprises control gear, air cooling equipment and data processing equipment, and control gear is connected with air cooling equipment, and control gear also is connected with data processing equipment, it is characterized in that:
Control gear is used to control the air cooling equipment start and stop, and control gear comprises first frequency-converter device, second frequency-converter device, and first frequency-converter device, second frequency-converter device are connected with air cooling equipment; The actuating signal that first frequency-converter device, the second frequency-converter device response data treatment device provide, the work of control air cooling equipment;
Air cooling equipment is used for the converter unit of current conversion station is carried out wind cooling temperature lowering; Air cooling equipment comprise with control gear in the corresponding first blower fan group of frequency-converter device, the second blower fan group; What the first blower fan group, the second blower fan group were corresponding respectively electrically connects with first frequency-converter device, second frequency-converter device, and the first blower fan group, the second blower fan group all comprise two blower fans;
Data processing equipment be used for regularly detecting current conversion station converter unit advance the valve temperature; And the corresponding temperature value of generation; And judge that whether the temperature value that produces is greater than first predefined value and less than second predefined value; When the temperature value of judging generation reached less than second predefined value greater than first predefined value, the first preset actuating signal of output was given first converter plant of control gear, so that first converter plant is controlled the first blower fan group work; Data processing equipment also is used to detect the frequency of okperation of first converter plant of operation; And generation frequency value corresponding; Data processing equipment is used to also judge once more whether whether the temperature value that produces equal the 3rd predefined value greater than the frequency values of second predefined value and generation; When judging once more the temperature value that produces frequency values and equal the 3rd predefined value greater than second predefined value and generation; The second preset actuating signal of output is given second converter plant of control gear, starts working so that second converter plant is controlled the second blower fan group.
2. the outer air-cooled start stop system of current conversion station valve cooling according to claim 1, it is characterized in that: control gear also comprises the 3rd frequency-converter device to the 12 frequency-converter devices; Air cooling equipment also comprises the 3rd blower fan group to the 12 blower fan groups.
3. the outer air-cooled start stop system of current conversion station valve cooling according to claim 1; It is characterized in that: data processing equipment also is used for judging once more the temperature value that produces greater than the frequency values of second predefined value and generation during less than the 3rd predefined value; The preset raising signal of output is given first converter plant of control gear, improves rotating speed so that first converter plant is controlled the first blower fan group.
4. the outer air-cooled start stop system of current conversion station valve cooling according to claim 1; It is characterized in that: data processing equipment also is used in when judging once more the temperature value that produces less than first predefined value; Output reduces signal and gives first converter plant, reduces rotating speed so that first converter plant is controlled the first blower fan group.
5. the outer air-cooled start stop system of current conversion station valve according to claim 1 cooling, it is characterized in that: first predefined value, second predefined value are temperature value, and first predefined value is 36 ℃, second predefined value is 37 ℃; The 3rd predefined value is a frequency values, and the 3rd predefined value is 50HZ.
6. a current conversion station valve cools off outer air-cooled start and stop method; The outer air-cooled start and stop method of this current conversion station valve cooling is applied to comprise in the outer air-cooled start stop system of current conversion station valve cooling of control gear, air cooling equipment and data processing equipment; The outer air-cooled start and stop method of this current conversion station valve cooling is represented through computer program; Behind the computer program of the outer air-cooled start and stop method of data processing equipment operation expression current conversion station valve cooling, carry out following steps:
That regularly detects converter unit in the current conversion station advances the valve temperature, and produces corresponding temperature value;
Judge that whether the temperature value that produces is greater than first predefined value and less than second predefined value;
When the temperature value of judging generation reached less than second predefined value greater than first predefined value, the first preset actuating signal of output was given first converter plant of control gear, so that the first blower fan group of first converter plant control air cooling equipment is worked;
Detect the frequency of okperation of first converter plant of operation, and produce frequency value corresponding;
Judge whether whether the temperature value that produces once more equal the 3rd predefined value greater than the frequency values of second predefined value and generation;
When judging once more the temperature value that produces frequency values and equal the 3rd predefined value greater than second predefined value and generation; The second preset actuating signal of output is given second converter plant of control gear, so that the second blower fan group of second converter plant control air cooling equipment is started working.
7. the outer air-cooled start and stop method of current conversion station valve cooling according to claim 6 is characterized in that, and is further comprising the steps of:
Judging once more the temperature value that produces greater than the frequency values of second predefined value and generation during less than the 3rd predefined value, output is preset heightens first converter plant that signal is given control gear, improves rotating speed so that first converter plant is controlled the first blower fan group;
When judging once more the temperature value that produces less than first predefined value, output reduces signal and gives first converter plant, reduces rotating speed so that first converter plant is controlled the first blower fan group.
8. the outer air-cooled start and stop method of current conversion station valve according to claim 6 cooling, it is characterized in that: first predefined value, second predefined value are temperature value, and first predefined value is 36 ℃, second predefined value is 37 ℃; The 3rd predefined value is a frequency values, and the 3rd predefined value is 50HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103347104A CN102434477A (en) | 2011-10-28 | 2011-10-28 | System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103347104A CN102434477A (en) | 2011-10-28 | 2011-10-28 | System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102434477A true CN102434477A (en) | 2012-05-02 |
Family
ID=45982752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103347104A Pending CN102434477A (en) | 2011-10-28 | 2011-10-28 | System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102434477A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292505A (en) * | 2016-08-10 | 2017-01-04 | 华能伊敏煤电有限责任公司 | A kind of method and device of ventilation motor delayed startup |
| CN106368971A (en) * | 2016-08-18 | 2017-02-01 | 常州博瑞电力自动化设备有限公司 | Automatic control method of cooling capacity of outer cooling unit |
| CN109213221A (en) * | 2017-06-29 | 2019-01-15 | 许昌许继晶锐科技有限公司 | A kind of temprature control method of the outer cooling system of direct-current transmission converter valve combined type |
| CN113586506A (en) * | 2021-08-11 | 2021-11-02 | 青海电研科技有限责任公司 | Automatic control method for external cooling array fan matched with air cooling phase modulator |
| CN117996602A (en) * | 2023-12-11 | 2024-05-07 | 国网湖北省电力有限公司直流公司 | Energy management method based on flexible direct current converter station valve external cold water system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042589A (en) * | 2006-03-21 | 2007-09-26 | 台达电子工业股份有限公司 | Fan regulation and controlling device of frequency transformator |
| CN101403582A (en) * | 2008-11-14 | 2009-04-08 | 沪东重机有限公司 | Automatic temperature control apparatus of large cooling column group |
| JP2009515130A (en) * | 2005-11-03 | 2009-04-09 | ジョンソン コントロールズ テクノロジー カンパニー | System and method for capacity control in a multiple compressor cooler system |
| CN101672295A (en) * | 2009-10-12 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Energy-saving control device of frequency converter cabinet fan set and control method |
| CN101865016A (en) * | 2010-06-29 | 2010-10-20 | 三一汽车起重机械有限公司 | Cooling fan system of engine and cooling fan control method used for same |
| CN102109207A (en) * | 2009-12-24 | 2011-06-29 | 东莞市广大制冷有限公司 | Multi-compressor air conditioner control method and system |
| CN201902353U (en) * | 2010-11-25 | 2011-07-20 | 特变电工股份有限公司 | Controller for cooling fan |
-
2011
- 2011-10-28 CN CN2011103347104A patent/CN102434477A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009515130A (en) * | 2005-11-03 | 2009-04-09 | ジョンソン コントロールズ テクノロジー カンパニー | System and method for capacity control in a multiple compressor cooler system |
| CN101042589A (en) * | 2006-03-21 | 2007-09-26 | 台达电子工业股份有限公司 | Fan regulation and controlling device of frequency transformator |
| CN101403582A (en) * | 2008-11-14 | 2009-04-08 | 沪东重机有限公司 | Automatic temperature control apparatus of large cooling column group |
| CN101672295A (en) * | 2009-10-12 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Energy-saving control device of frequency converter cabinet fan set and control method |
| CN102109207A (en) * | 2009-12-24 | 2011-06-29 | 东莞市广大制冷有限公司 | Multi-compressor air conditioner control method and system |
| CN101865016A (en) * | 2010-06-29 | 2010-10-20 | 三一汽车起重机械有限公司 | Cooling fan system of engine and cooling fan control method used for same |
| CN201902353U (en) * | 2010-11-25 | 2011-07-20 | 特变电工股份有限公司 | Controller for cooling fan |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292505A (en) * | 2016-08-10 | 2017-01-04 | 华能伊敏煤电有限责任公司 | A kind of method and device of ventilation motor delayed startup |
| CN106368971A (en) * | 2016-08-18 | 2017-02-01 | 常州博瑞电力自动化设备有限公司 | Automatic control method of cooling capacity of outer cooling unit |
| CN106368971B (en) * | 2016-08-18 | 2018-10-19 | 常州博瑞电力自动化设备有限公司 | The autocontrol method of outer cold wind unit cooling capacity |
| CN109213221A (en) * | 2017-06-29 | 2019-01-15 | 许昌许继晶锐科技有限公司 | A kind of temprature control method of the outer cooling system of direct-current transmission converter valve combined type |
| CN113586506A (en) * | 2021-08-11 | 2021-11-02 | 青海电研科技有限责任公司 | Automatic control method for external cooling array fan matched with air cooling phase modulator |
| CN117996602A (en) * | 2023-12-11 | 2024-05-07 | 国网湖北省电力有限公司直流公司 | Energy management method based on flexible direct current converter station valve external cold water system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5117677B2 (en) | Wind farm and its control method | |
| CN102937071B (en) | Method and device for starting control of wind generating set | |
| CN102434477A (en) | System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station | |
| US10233908B2 (en) | System and method for de-icing a wind turbine rotor blade | |
| EP2821641A1 (en) | Cooling system and method for wind power generator and wind power generator set | |
| CN102777319A (en) | Yaw control system for wind power generation and control method thereof | |
| EP3067555A1 (en) | System and method for reducing fan noise during noise reduced operation of a wind turbine | |
| CN105781876A (en) | Control method for limited-power and limited-rotational-speed running of wind turbine generator system | |
| CN107781203A (en) | With the frequency converter for automatically adjusting rate of heat dispation function | |
| CN105041568A (en) | Control method for preventing fan galloping | |
| US20160090965A1 (en) | Wind park and method for controlling a wind park | |
| CN204231240U (en) | Energy-saving scaled bulb tubular hydraulic generator cooling control system | |
| EP3462018A1 (en) | Methods for adapting wind farms for grid compliance | |
| CN202108661U (en) | Yaw control system used for wind power generation | |
| US11428209B2 (en) | System and method for operating a wind farm for fast connection after farm shutdown | |
| CN112909308A (en) | Temperature control method of fuel cell | |
| CN109667713B (en) | Power increasing control method and device for wind generating set | |
| CN216788601U (en) | Automatic control system of water turbine | |
| CN110377068A (en) | A kind of hydro-generating Unit temperature monitoring system | |
| EP4234924B1 (en) | System and method for controlling wind farm operation during a weak grid condition | |
| EP4234924A1 (en) | System and method for controlling wind farm operation during a weak grid condition | |
| CN112825452A (en) | Thermal management control method and system for energy storage converter | |
| CN102570790B (en) | A kind of low-temperature starting method for wind power current transformer | |
| CN211349411U (en) | Wind power plant operation monitoring panel and energy efficiency evaluation system | |
| CN202900535U (en) | Wind power plant output power automatic control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120502 |