CN105655973B - A kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory - Google Patents
A kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory Download PDFInfo
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- CN105655973B CN105655973B CN201610138098.6A CN201610138098A CN105655973B CN 105655973 B CN105655973 B CN 105655973B CN 201610138098 A CN201610138098 A CN 201610138098A CN 105655973 B CN105655973 B CN 105655973B
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- ultraviolet
- detection system
- logic judgment
- smog
- judgment unit
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- 230000002265 prevention Effects 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 239000000523 sample Substances 0.000 claims abstract description 36
- 238000000825 ultraviolet detection Methods 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims description 25
- 238000004378 air conditioning Methods 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 9
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000004079 fireproofing Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 108091092568 Alarmone Proteins 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/045—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a thermal radiation sensor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
Abstract
The present invention relates to a kind of fireproofing techniques in the flexible direct current converter station IGBT valves Room; especially a kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory; occurred simultaneously as the criterion for stopping flexible direct current system using the alarm of pole early-stage smog and two class alarm signals of ultraviolet (infrared) detection; first, as long as there are one detect smog alarm in all pole early-stage smog detectors in the valve Room; there are one detect that arc light, logic control protection system allow to trip in all ultraviolet probes simultaneously；Second is that when if air inlet monitors smog; then it is latched the first logic judgment unit; if ultraviolet detection system has 2 or more ultraviolet probes to be simultaneously emitted by alarm at this time; still allow Control protection system tripping outlet; in addition; trip signal is directly sent to the direct current control and protection system of current conversion station redundancy, and without the central alarm device of fire alarm system.Advantage is：Can in time, effectively shutdown system, avoid equipment damage, it is ensured that the safe and stable operation of current conversion station.
Description
Technical field
The present invention relates to a kind of fireproofing technique in the flexible direct current converter station IGBT valves Room, especially a kind of flexible direct current changes of current
It stands IGBT valves Room fire prevention measure wavy trajectory.
Background technology
Flexible DC power transmission is the important equipment for building intelligent grid, compared with traditional approach, flexible DC transmission technology
It is using insulated gate bipolar transistor, compound full-control type voltage driven type power semiconductor IGBT (Insulated
Gate Bipolar Transistor) a kind of New DC transmission technology as converter valve.IGBT in flexible direct current converter station
Converter valve is the important core electrical equipment of flexible direct current converter station, and it is also that flexible direct current changes to arrange the valve Room of IGBT converter valves
Stream is stood important electrical equipment installation site, due to as conventional extra-high voltage direct-current, flexible direct current converter station when normal operation
The valve Room is not allow into people, and when valve Room gate normal operation is at closed state.
The corresponding mating fire prevention measure in the flexible direct current converter station IGBT valves Room will utmostly ensure that converter station valve hall occurs
Can stop transport flexible direct current system in time when fire behavior, and it is especially high to price to all electrical equipments in the valve Room to reduce valve Room fire
The fire prevention measure of expensive IGBT converter valve damaged conditions, the valve Room is vital for the safe normal operation of current conversion station.Mesh
Before, converter valve Room automatic fire alarm system does not allow mating fire prevention corresponding into the converter valve Room of people when being up
Measure, when fire behavior occurs in the IGBT converter valves Room, valve Room automatic fire alarm system will send out fire alarm signal in time, and
It is uploaded to current conversion station operation control centre, stoppage in transit flexible direct current system is controlled by running control centre.That is, existing change
Stream valve valve Room fire prevention measure is only limitted to the basic function of automatic fire alarm system, difficult when fire behavior occurs in the IGBT converter valves Room
With flexible direct current system of timely and effectively stopping transport, the damage of equipment, the paralysis of system may be led to, even the condition of a disaster is further
Expand, it is totally unfavorable for the safe and stable operation of flexible direct current converter station.
Invention content
There is provided it is an object of the invention to shortcoming according to prior art one kind can in time, effectively stopping transport is
System, avoids equipment damage, it is ensured that the flexible direct current converter station IGBT valves Room fire prevention measure tripping of the safe and stable operation of current conversion station
Mode.
Purpose of the present invention is realized by following approach：
A kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory, is characterized by, includes the following steps：
Automatic fire alarm system is provided, include pole early-stage smog detection system, ultraviolet detection system and air-conditioning into
The smoke detection in air port is popped one's head in, the smoke detector of the pole early-stage smog detection system and ultraviolet detection system it is ultraviolet
Probe covering is distributed in the valve Room；
Automatic fire alarm system further includes having a logic control element, which includes that the first logic is sentenced
The one of disconnected unit, the second logic judgment unit and tripping control unit, pole early-stage smog detection system and ultraviolet detection system
Induction transmitting terminal is all connected in the first logic judgment unit, and an induction transmitting terminal of the smoke detection probe of air-conditioning air inlet is logical
It crosses a locking unit to be connected in the first logic judgment unit, the smoke detection probe of ultraviolet detection system and air-conditioning air inlet
Another induction transmitting terminal be connected in the second logic judgment unit, the first logic judgment unit and the second logic judgment unit
Output end is connect with tripping control unit, and tripping control unit is connected in the DC control and protection system of current conversion station redundancy；
When any smoke detector of pole early-stage smog detection system senses smog, while times of ultraviolet detection system
One ultraviolet probe senses arc light or open fire, and pole early-stage smog detection system and ultraviolet detection system transmit a signal to the
One logic judgment unit after the first logic judgment unit receives the two signal, sends trigger signal and gives tripping control unit, by jumping
Lock control unit sends trip command to DC control and protection system；
After the smoke detection probe of air-conditioning air inlet senses smog, locking unit is sent a signal to, it is single by being latched
Member the first logic judgment unit of locking；The smoke detection probe of air-conditioning air inlet sends a signal to the second logic judgment list simultaneously
Member, if at this time in ultraviolet detection system there are two or more than two ultraviolet probes sense arc light or open fire, it is purple
Outside line detection system also transmits a signal to the second logic judgment unit, and the second logic judgment unit receives the smog of air-conditioning air inlet
After the signal that detection probe and ultraviolet detection system are sent, trip command is sent by the control unit that trips and is protected to DC control
Protecting system.
Ultraviolet detection system of the present invention can also be substituted by IR detection system, the two be to open fire and
Electric arc is sensitive, is easy to incude and detects arc light or open fire, and pole early-stage smog detection system is then sensitive to smog.This hair
It is bright to use two sets of logic judgment units to realize purpose：As long as when in the valve Room in all pole early-stage smog detectors there are one
Detect smog alarm, and simultaneously in the valve Room in all ultraviolet probes there are one detecting arc light, when above-mentioned two condition simultaneously
Control protection system allows to trip when meeting；Second is that when if air inlet pole early stage Sensor monitoring is to smog, it is latched extremely early
The tripping outlet loop of phase system, that is, be latched the first logic judgment unit, causes fire certainly to avoid because of valve Room external environment factor
The malfunction of dynamic alarm system, if in addition, in the case where air inlet pole early stage Sensor monitoring is to smog ultraviolet detection system
System has 2 or more ultraviolet probes to be simultaneously emitted by alarm, still allows Control protection system tripping outlet.
The air-conditioning air inlet installing smoke detection probe in the valve Room, starts the setting of surrounding enviroment background smoke concentration reference value
Function can effectively prevent the external smog for burning the generations such as stalk to cause the early-stage smog detection system malfunction of valve Room pole.Using pole
Early-stage smog is alarmed and two class alarm signals of ultraviolet (infrared) detection occur as the criterion for stopping flexible direct current system, both simultaneously
Malfunction can be prevented, tripping is also possible to prevent.And Dual Logic judgement combines valve Room fire prevention measure device configuration situation, improves
The reliability and sensitivity of flexible direct current converter station Control protection system tripping, can in time, effectively shutdown system, avoid fire
Calamity is magnified, it is ensured that the safe and stable operation in the current conversion station IGBT valves Room.In addition pole early-stage smog detection system and ultraviolet (infrared)
The trip signal sent out is directly sent to the direct current control and protection system of current conversion station redundancy, and without the central alarm of fire alarm system
Device executes trip signal, further after the action of fire trip signal after current conversion station DC control system logic judgment and switching
Effectively ensure the straight-flow system that can stop transport in time when fire behavior occurs in the valve Room.
The advantage of the invention is that：
1, it designs, is considered as extremely early by pole early-stage smog detection system and ultraviolet (infrared) detection system two systems
Phase smog alarm and two class alarm signals of ultraviolet (infrared) detection occur, as the criterion for stopping flexible direct current system, both may be used simultaneously
Faulty action preventing again can anti-tripping, it is ensured that converter valve Room automatic fire alarm system trips out on DC control and protection system platform
The correctness and sensitivity of mouth ensure the safe and stable operation in flexible converter station.
2, trip operation logical design fully ensures that valve Room automatic fire alarm system is flat in current conversion station Control protection system
The correct extension and action of trip avoidance function, also ensure the flexible direct current system that can stop transport as early as possible when fire behavior occurs in the valve Room on platform.
Description of the drawings
Fig. 1 is the logical schematic of the flexible direct current converter station IGBT valves Room of the present invention fire prevention measure wavy trajectory.
The present invention is described further with reference to embodiment.
Specific implementation mode
Most preferred embodiment：
With reference to attached drawing 1, the fire involved by a kind of fire prevention measure wavy trajectory of flexible direct current converter station IGBT valves Room is automatic
Alarm system include logic control element, pole early-stage smog detection system, ultraviolet detection system and air-conditioning air inlet cigarette
Mist detection probe, the smoke detector of pole early-stage smog detection system and the ultraviolet probe of ultraviolet detection system cover
Lid is distributed in the valve Room；
Logic control element includes the first logic judgment unit, the second logic judgment unit and tripping control unit, pole
One induction transmitting terminal of early-stage smog detection system and ultraviolet detection system is all connected in the first logic judgment unit, air-conditioning
One induction transmitting terminal of the smoke detection probe of air inlet is connected to by a locking unit in the first logic judgment unit, ultraviolet
Another induction transmitting terminal of the smoke detection probe of line detection system and air-conditioning air inlet is connected in the second logic judgment unit,
The output end of first logic judgment unit and the second logic judgment unit is connect with tripping control unit, tripping control unit connection
Into the DC control and protection system of current conversion station redundancy.
Pole early-stage smog detection system and ultraviolet (infrared) detection system arrangement are with investigative range covering valve Room entire area
For principle, at least there are 2 detectors（Probe）Detect the smog, electric arc or open fire of same place.Valve Room air-conditioning air inlet
Smoke detection probe is installed, surrounding enviroment background smoke concentration reference value set-up function is started, prevents the generations such as external burning stalk
Smog cause the early-stage smog detection system malfunction of valve Room pole.Pole early-stage smog detection system is generally divided into 4 grades of alarms, respectively
It is warning, action, fire alarm one and fire alarm two, trip signal is used as using " fire alarm two " of highest level alarm.
The logic control method of automatic fire alarm system is as follows：
When any smoke detector of pole early-stage smog detection system senses smog, while times of ultraviolet detection system
One ultraviolet probe senses that arc light or open fire, the two send a signal to the first logic judgment unit, the first logic judgment list
After member receives the two signal, passes through the control unit that trips and send trip command to DC control and protection system；
After the smoke detection probe of air-conditioning air inlet senses smog, locking unit is sent a signal to, it is single by being latched
Member the first logic judgment unit of locking；In fact it is the signal for being latched pole early-stage smog detection system, the first logic judgment unit
It does not work temporarily.After sensing smog, the smoke detection probe of air-conditioning air inlet also sends a signal to the second logic judgment list
Member, if at this time in ultraviolet detection system there are two or more than two ultraviolet probes sense arc light or open fire, it is purple
Outside line detection system also transmits a signal to the second logic judgment unit, and the second logic judgment unit receives the smog of air-conditioning air inlet
After the signal that detection probe and ultraviolet detection system are sent, trip command is sent by the control unit that trips and is protected to DC control
Protecting system.
The valve Room of the present invention automatic fire alarm system retains the independent warning function of original system, arbitrary probe monitors
To when exception should be able in time and on send to the control host of automatic fire alarm system, alert inform current conversion station transport
Administrative staff.In addition, in specific implementation, the connection interface that valve Room automatic fire alarm system is accessed with Control protection system is with cigarette
Mist detection sensor and the 24V idle contacts of ultraviolet probe output are boundary, the fire alarms such as smoke-detecting sensor and ultraviolet probe
System equipment is responsible for by Fa Ting automatic fire alarm systems producer, smoke-detecting sensor and the output of ultraviolet probe 24V idle contacts
It exports to trip operation and is responsible for by DC control and protection system producer.Configuration, which is thrown, in flexible direct current converter station control protection moves back valve
The soft pressing plate or hard pressing plate of Room automatic fire alarm system trip(ping) circuit facilitate operation maintenance personnel to move back valve according to the throwing of actual motion demand
Room fire prevention measure tripping outlet loop.
The flexible direct current converter station IGBT valves Room of the present invention fire prevention measure Trip Logic design is valve Room fire prevention measure fire
Calamity automatic alarm basic function is extended to realizes that one kind of tripping is perfect on flexible direct current converter station Control protection system platform
Logical design technology.The flexible direct current system that can stop transport as early as possible when there is fire behavior for the valve Room provides more mature reliable design
Principle and technical solution.It is this that by pole early-stage smog detection system and ultraviolet (infrared) detection system two systems to constitute the valve Room anti-
The automatic fire alarm system output fire alarm tripping contact of fiery measure is held after being judged by flexible converter stand control protection system logic
Row tripping exports straight-flow system of stopping transport as early as possible when the designing technique ordered ensures valve Room fire, and it is high to price to reduce valve Room fire
Expensive IGBT converter valve damaged conditions；Meanwhile increasing to throw in Control protection system and moving back automatic fire alarm system trip(ping) circuit
Soft pressing plate or hard pressing plate, facilitate operation maintenance personnel to be thrown according to actual motion demand and move back the trip avoidance function of valve Room fire prevention measure, be soft
Property DC converter station safe and stable operation reliable technical guarantee is provided.
The not described part of the present invention is same as the prior art.
Claims (1)
1. a kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory, which is characterized in that include the following steps：
Automatic fire alarm system is provided, includes pole early-stage smog detection system, ultraviolet detection system and air-conditioning air inlet
Smoke detection probe, the ultraviolet probe of the smoke detector and ultraviolet detection system of the pole early-stage smog detection system
Covering is distributed in the valve Room；
Automatic fire alarm system further includes having a logic control element, which includes the first logic judgment list
Member, the second logic judgment unit and tripping control unit, an induction of pole early-stage smog detection system and ultraviolet detection system
Transmitting terminal is all connected in the first logic judgment unit, and an induction transmitting terminal of the smoke detection probe of air-conditioning air inlet passes through one
Locking unit is connected in the first logic judgment unit, the smoke detection of ultraviolet detection system and air-conditioning air inlet probe it is another
One induction transmitting terminal is connected in the second logic judgment unit, the output of the first logic judgment unit and the second logic judgment unit
End is connect with tripping control unit, and tripping control unit is connected in the DC control and protection system of current conversion station redundancy；
When any smoke detector of pole early-stage smog detection system senses smog, while any purple of ultraviolet detection system
Outer probe senses that arc light or open fire, pole early-stage smog detection system and ultraviolet detection system transmit a signal to first and patrol
Judging unit is collected, after the first logic judgment unit receives the two signal, trigger signal is sent and gives tripping control unit, by tripping control
Unit processed sends trip command to DC control and protection system；
After the smoke detection probe of air-conditioning air inlet senses smog, locking unit is sent a signal to, is closed by locking unit
Lock the first logic judgment unit；The smoke detection probe of air-conditioning air inlet sends a signal to the second logic judgment unit simultaneously, such as
Fruit at this time in ultraviolet detection system there are two or more than two ultraviolet probes sense arc light or open fire, then ultraviolet light is visited
Examining system also transmits a signal to the second logic judgment unit, and the smoke detection that the second logic judgment unit receives air-conditioning air inlet is visited
After the signal that head is sent with ultraviolet detection system, trip command is sent by the control unit that trips and protects system to DC control
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138098.6A CN105655973B (en) | 2016-03-11 | 2016-03-11 | A kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138098.6A CN105655973B (en) | 2016-03-11 | 2016-03-11 | A kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory |
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| Publication Number | Publication Date |
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| CN105655973A CN105655973A (en) | 2016-06-08 |
| CN105655973B true CN105655973B (en) | 2018-07-24 |
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| CN201610138098.6A Active CN105655973B (en) | 2016-03-11 | 2016-03-11 | A kind of flexible direct current converter station IGBT valves Room fire prevention measure wavy trajectory |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384409B (en) * | 2016-09-08 | 2018-11-06 | 南京中消安全技术有限公司 | A kind of door access control system and method based on fire alarm |
| CN109464765A (en) * | 2018-10-31 | 2019-03-15 | 国网湖南省电力有限公司 | A kind of firefighting robot and its extinguishing method applied to converter station valve hall |
| CN109979145A (en) * | 2019-03-28 | 2019-07-05 | 中国能源建设集团广东省电力设计研究院有限公司 | A kind of tripping of converter station valve hall fire judgment method, apparatus and system |
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| US7570471B2 (en) * | 2007-02-20 | 2009-08-04 | Utility Relay Company | Circuit breaker trip unit with zone selective interlock and system monitoring |
| CN203800702U (en) * | 2014-01-21 | 2014-08-27 | 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 | Power transformation equipment online monitoring system |
| CN104410041B (en) * | 2014-11-05 | 2018-03-06 | 许继集团有限公司 | A kind of converter station valve hall fire tripgear logic judging method |
| CN104794844B (en) * | 2015-04-23 | 2017-09-12 | 许继集团有限公司 | A kind of converter station valve hall fire signal expanding unit |
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| CB02 | Change of applicant information |
Address after: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 257 Applicant after: State Grid Fujian Electric Power Co., Ltd. Applicant after: China Electric Power Technology Equipment Co., Ltd. Applicant after: China Electric Power Construction Group Fujian electric survey and Design Institute Co., Ltd. Address before: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 257 Applicant before: State Grid Fujian Electric Power Co., Ltd. Applicant before: China Electric Power Technology Equipment Co., Ltd. Applicant before: Fujian Electric Power Survey and Design Institute |
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