WO2021259148A1 - 适用于特高压换流站消防灭火系统的运行控制方法 - Google Patents
适用于特高压换流站消防灭火系统的运行控制方法 Download PDFInfo
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- WO2021259148A1 WO2021259148A1 PCT/CN2021/100777 CN2021100777W WO2021259148A1 WO 2021259148 A1 WO2021259148 A1 WO 2021259148A1 CN 2021100777 W CN2021100777 W CN 2021100777W WO 2021259148 A1 WO2021259148 A1 WO 2021259148A1
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- fire monitor
- wind direction
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
Definitions
- the invention relates to the field of operation strategies of fire extinguishing systems, and more specifically to an operation control method suitable for fire extinguishing systems of ultra-high voltage converter stations.
- the UHV converter station is an important facility to ensure long-distance DC transmission. It is responsible for the nation's DC power transmission task and belongs to the country's major infrastructure.
- the converter transformer in the UHV converter station is a large oil-containing equipment with obvious fire hazard. Multiple converter transformer fire accidents have shown that converter transformer fires have the characteristics of rapid development and large scale. If they are not effectively controlled in time, the safety of the entire converter station may be endangered, and the economic losses and social impacts brought about are incalculable.
- a fire extinguishing system is installed in this area. Fire monitor fire extinguishing system is a common fire extinguishing system in converter stations.
- the converter transformer area belongs to the high voltage area, about 800KV.
- the fire extinguishing operation involves a series of operations such as opening of the corresponding partition selection valve, operation of the fire monitor control system, and hot standby preparation of the compressed air foam generating device system, which puts huge pressure on the operation and maintenance personnel in the station to carry out fire extinguishing operations. Risks such as misoperation will seriously affect the fire extinguishing effect of converter transformers.
- the technical problem to be solved by the present invention is that the prior art lacks an operation control method suitable for the fire extinguishing system of an ultra-high voltage converter station, so as to avoid personnel misoperation, realize instant fire extinguishing and efficient fire extinguishing, and thereby reduce the pressure of operation and maintenance personnel in the station.
- the present invention solves the above-mentioned technical problems through the following technical means: an operation control method suitable for the fire extinguishing system of an ultra-high voltage converter station.
- the fire extinguishing system of the ultra-high voltage converter station includes a first foam fire monitor extinguishing system and a second foam A fire monitor fire extinguishing system and a host computer control system.
- the first foam fire monitor fire extinguishing system includes a first fire monitor and a first compressed air foam generating subsystem
- the second foam fire monitor fire extinguishing system includes a second fire monitor and a second compressor
- the air bubble generation subsystem, the method includes:
- the upper computer control system After the upper computer control system receives the sound and light alarm signal, the alarm position signal and the switch position signal, it starts the fixed fire monitor jet range prediction and analysis subsystem;
- the prediction and analysis subsystem of the fixed fire monitor's jet range determines whether the fire monitor's range effectively covers all the commutation variable areas according to the external wind direction and the size of the external wind speed;
- the guns are automatically preset positions, and the fixed fire monitors are operated on the remote piano platform to extinguish the fire;
- the mobile firefighting robot will replace the first fire monitor to extinguish the fire. If the second fire monitor does not meet the range requirement, the mobile firefighting robot will replace the second fire monitor to extinguish the fire. If the first fire monitor and the second fire monitor do not meet the range requirements, two mobile fire-fighting robots will replace the first fire monitor and the second fire monitor respectively to extinguish the fire.
- the invention uses the upper computer control system to receive the alarm signal and fix the fire monitor jet range prediction analysis subsystem to judge whether the fire monitor’s range effectively covers all commutation variable areas, and perform targeted fire extinguishing operations based on the judgment results to avoid personnel misoperations, Realize instant fire extinguishing and efficient fire extinguishing, thereby reducing the pressure on the operation and maintenance personnel in the station.
- the upper computer control system receiving the sound and light alarm signal, the alarm position signal and the switch position signal includes: acquiring the signal data of 2 cable-type temperature detectors and 2 flame detectors through the coupling of the alarm, and the combined alarm controller passes The principle of three out of two is independent research and judgment to output the sound and light alarm signal and the alarm position signal, the circuit breaker of the single-valve converter transformer will switch off, and the single-valve converter transformer will automatically cut off the power and output the switch position signal.
- the principle of selecting two from three includes: at least one flame detector sends out an action signal, that is, it is considered that this path outputs an action signal, and two flame detectors are configured as one output and two cable-type temperature sensors. 3 outputs, when at least 2 of the 3 outputs send out action signals, the combined alarm controller will alarm.
- the prediction and analysis subsystem of the fixed fire monitor's jet range is built in the upper computer control system.
- the prediction and analysis subsystem of the fixed fire monitor's jet range determines whether the fire monitor's range effectively covers all the commutation variable areas according to the external wind direction and the size of the external wind speed, including:
- the external wind direction and external wind speed determined by the wind environment fluctuation confidence determination model are input into the effective coverage performance prediction model of the fixed fire monitor to determine whether the fire monitor’s range effectively covers all the commutating areas.
- the establishment of a wind environment fluctuation confidence level judgment model includes:
- ⁇ base is the basic wind speed
- Winds of time t i is the number of values of wind speed detector
- ⁇ is the confidence value of wind speed fluctuation
- ⁇ base is the basic wind direction
- Is the wind direction at time t i;
- ⁇ is the confidence value of wind direction angle fluctuation.
- the determining the external wind direction and the external wind speed by the wind environment fluctuation confidence determination model includes:
- the wind direction and wind speed probability statistics model is used to divide 12 fan-shaped area azimuth areas with every 30° as a statistical azimuth for wind direction statistics.
- the wind direction with the highest statistical probability is taken as the reference wind direction
- the statistical mean value of the wind speed in the fan-shaped area where the reference wind direction is located is taken as For reference wind speed, the outside wind speed adopts the reference wind speed, and the outside wind direction adopts the reference wind direction.
- wind direction and wind speed probability statistical model includes:
- f i is the frequency of occurrence of wind direction in azimuth i
- n i is the number of occurrences of wind direction in azimuth i
- k is the total recorded number of wind direction and azimuth
- f 1 is the frequency of wind direction in azimuth 1
- f 2 is the frequency of wind direction in azimuth 2
- f max is the highest value of wind direction in 12 fan-shaped azimuth zones
- a prediction model for the effective coverage performance of a fixed fire monitor includes:
- the input of the wind direction and wind speed determined by the wind environment fluctuation confidence determination model into the effective coverage performance prediction model of the fixed fire monitor to determine whether the fire monitor range effectively covers all the commutating areas includes:
- the range of the fire monitor can effectively cover all the commutating areas under the conditions of the initial spray speed, initial spray angle, external wind speed and external wind direction of the fire monitor;
- the present invention receives the alarm signal through the upper computer control system and fixes the fire monitor jet range prediction and analysis subsystem to judge whether the fire monitor range effectively covers all the commutating variable areas, and performs targeted fire extinguishing operations according to the judgment results , To avoid personnel misoperation, to achieve instant fire extinguishing and efficient fire extinguishing, thereby reducing the pressure on the operation and maintenance personnel in the station.
- Fig. 1 is a flowchart of an operation control method suitable for the fire extinguishing system of an ultra-high voltage converter station disclosed in an embodiment of the present invention
- FIG. 2 is a detailed view of part A of the flow chart of the operation control method suitable for the fire extinguishing system of the UHV converter station disclosed in the embodiment of the present invention
- FIG. 4 is a schematic diagram of the coupling vector calculation of the operation control method suitable for the fire extinguishing system of the UHV converter station disclosed in the embodiment of the present invention
- Fig. 5 is a working flow chart of a fixed fire monitor jet range effective coverage prediction analysis system suitable for the operation control method of the fire extinguishing system of the UHV converter station disclosed in the embodiment of the present invention
- FIG. 6 is a layout diagram of the UHV converter station fire extinguishing system in the operation control method suitable for the UHV converter station fire extinguishing system disclosed in the embodiment of the present invention
- FIG. 7 is a schematic diagram of the YYA phase converter transformer fire extinguishing diagram of the single valve group converter transformer in the operation control method suitable for the fire extinguishing system of the UHV converter station disclosed by the embodiment of the present invention
- FIG. 8 is a schematic diagram of YDB-phase converter transformer fire extinguishing of a single-valve group converter transformer in an operation control method suitable for a fire extinguishing system of an ultra-high voltage converter station disclosed in an embodiment of the present invention
- Figure 9 is a schematic diagram of the fire extinguishing of the YYC phase converter transformer of the single valve group converter transformer in the operation control method suitable for the fire extinguishing system of the UHV converter station disclosed in the embodiment of the present invention.
- the operation control method suitable for the fire extinguishing system of the UHV converter station includes:
- the body of the single-valve converter transformer 100 is arranged in parallel and independently with two cable-type temperature detectors, the first temperature detector and the second temperature detector, each phase converter transformer 1 peripheral firewall 2 is arranged with 2 flame detectors, They are the first flame detector and the second flame detector.
- the first flame detector sends out an action signal
- the first temperature-sensing detector sends out an action signal at the same time
- the combined alarm system sends out an audible and visual alarm signal. If only the flame detector or only the cable-type temperature detector sends out an action signal, the combined alarm system will not alarm.
- a certain phase converter transformer 1 is abnormal, the circuit breaker switch of the single valve group converter transformer 100 sends a response action, the circuit breaker switch is in position, and the valve group is powered off.
- the sound and light alarm signal, the alarm position signal, the circuit breaker switch position signal are transmitted to the upper computer control system 8, and the upper computer control system 8 activates the fixed fire monitor jet range prediction analysis subsystem; wherein, the principle of selecting two from three includes at least: When one flame detector sends out an action signal, it is considered that this channel outputs an action signal. Two flame detectors are used as one output and two cable-type temperature detectors to form 3 outputs. When at least 2 of the 3 outputs are sent out When the action signal, the combined alarm controller alarms.
- the establishment of the wind environment fluctuation confidence degree judgment model, and the external wind direction and the size of the outside wind speed are determined through the wind environment fluctuation confidence degree judgment model:
- ⁇ base is the basic wind speed
- Winds of time t i is the number of values of wind speed detector
- ⁇ is the confidence value of wind speed fluctuation
- ⁇ base is the basic wind direction
- Is the wind direction at time t i;
- ⁇ is the confidence value of wind direction angle fluctuation.
- the preset value is selected as 0.3.
- the wind direction and wind speed probability statistics model is used to divide 12 fan-shaped area azimuth areas with every 30° as a statistical azimuth for wind direction statistics.
- the wind direction with the highest statistical probability is taken as the reference wind direction
- the statistical mean value of the wind speed in the fan-shaped area where the reference wind direction is located is taken as For reference wind speed, the outside wind speed adopts the reference wind speed, and the outside wind direction adopts the reference wind direction.
- the probability statistical model of wind direction and speed includes:
- f i is the frequency of occurrence of wind direction in azimuth i
- n i is the number of occurrences of wind direction in azimuth i
- k is the total recorded number of wind direction and azimuth
- f 1 is the frequency of wind direction in azimuth 1
- f 2 is the frequency of wind direction in azimuth 2
- f max is the highest value of wind direction in 12 fan-shaped azimuth zones
- the range of the fire monitor can effectively cover all the conversion variable 1 area under the conditions of the initial spray speed, initial spray angle, external wind speed and external wind direction of the fire monitor;
- the upper computer control system 8 first Control the fire monitor to increase the jet flow rate to the maximum flow rate to increase the jet speed, return to the above steps to continue to determine whether the fire monitor’s range effectively covers all the commutation variable 1 area, if it still cannot meet the effective coverage of all commutation variable 1, then finally Determine that the range of the fire monitor cannot effectively cover all the commutating transformer 1 area, and perform the following steps.
- the fire monitor's range effectively covers all converter transformer 1 area if the fire monitor's range effectively covers all converter transformer 1, then the first compressed air foam generating subsystem 5 and the second compressed air foam generating subsystem are activated 7.
- the first fire monitor 4 of the first compressed air foam generating subsystem 5 and the second fire monitor 6 of the second compressed air foam generating subsystem 7 are automatically preset, and the remote console of the fixed fire monitor is operated to extinguish the fire;
- the remote console of the fire monitor belongs to a console.
- the mobile fire fighting robot 18 will replace the first fire monitor 4 to extinguish the fire, if the second fire monitor 6 does not meet the requirements If the range requirements are required, the mobile fire-fighting robot 18 will replace the second fire monitor 6 to extinguish the fire. If the first fire monitor 4 and the second fire monitor 6 do not meet the range requirements, the two mobile fire-fighting robots 18 will replace the first fire monitor 4 respectively. And the second fire monitor 6 to extinguish the fire.
- the operation control method suitable for the fire extinguishing system of the UHV converter station provided by the present invention is mainly applied to the fire extinguishing system of the UHV converter station.
- the UHV converter station and the special The layout of the fire extinguishing system of the high-voltage converter station will introduce the whole working process of the present invention in detail.
- each single-valve converter 100 includes several converter transformers 1 arranged at equal intervals.
- the adjacent converters 1 are separated by a firewall 2.
- Each single-valve converter A valve hall 3 is arranged in parallel on the rear side of the rheology 100.
- the single valve group converter 100 and the corresponding valve hall 3 form a pole, two poles and a group of poles, each group of poles includes a high-end valve group and a low-end valve Group, the two poles in the same group of poles are arranged in mirror symmetry, the low-end valve group between adjacent groups of poles is arranged back-to-back or the high-end valve group is arranged back-to-back, each converter transformer 1 valve hall 3 side casing extension Enter its corresponding valve hall 3.
- the UHV converter station includes four poles arranged in parallel in sequence, namely, pole 1 high-end valve group 200, pole 1 low-end valve group 300, and extremely 2 low-end valve group.
- Pole 2 high-end valve group 500, Pole 1 high-end valve group 200 and Pole 1 low-end valve group 300 are mirrored symmetrically, Pole 2 high-end valve group and Very 2 low-end valve group 400 are mirrored symmetrically, Very 1 low-end valve group 300 and extremely 2 low-end valve groups 400 are arranged back to back, wherein each single valve group converter transformer 100 has 6 converter transformers 1, and adjacent converter transformers 1 are separated by firewalls 2 and arranged at equal intervals.
- the UHV converter station fire extinguishing system includes a first foam fire monitor fire extinguishing system, a second foam fire monitor fire extinguishing system and an upper computer control system 8.
- the first foam fire monitor fire extinguishing system includes a first foam fire monitor fire extinguishing system.
- a second foam fire monitor fire extinguishing system includes a second fire monitor 6 and a second compressed air foam generating subsystem 7.
- the first compressed air foam generating subsystem 5 and the second compressed air foam generating subsystem 7 are both compressed air foam generating subsystems, and the first compressed air foam generating subsystem 5 and the second compressed air foam generating subsystem 7 output
- the fire extinguishing medium is compressed air foam.
- the first fire monitor 4 and the second fire monitor 6 are located on the eaves of the valve hall 3 directly above the firewall 2.
- the first fire monitor 4 and the second fire monitor 6 are interspersedly arranged, and each two converter transformers 1 corresponds to one
- the first fire monitor 4 and the second fire monitor 6, when the fire is extinguished, the release directions of the fire extinguishing medium of the first fire monitor 4 and the second fire monitor 6 all point to the center position of the corresponding converter transformer 1.
- each of the single-valve group converter transformers 100 close to the first compressed air foam generating subsystem 5 and the second compressed air foam generating subsystem 7 is provided with a first partition selection valve 9 and a second partition selection valve 10, All the first fire monitors 4 in the single-valve converter transformer 100 are connected to the first partition selection valve 9 through pipelines, and all the first partition selection valves 9 in the UHV converter station are connected to the first bubble supply pipeline 11.
- the second fire monitor 6 in the valve group converter transformer 100 is connected to the second partition selector valve 10 through a pipeline, and all the second partition selector valves 10 in the UHV converter station are connected to the second bubble supply pipeline 12, the first compression
- the air bubble generation subsystem 5 is connected to the first bubble supply pipe 11 and the second bubble supply pipe 12 through an electric valve 15 respectively, and the second compressed air bubble generation subsystem 7 is respectively connected to the first bubble supply pipe 11 and the second bubble supply pipe 12 12Connect.
- the first compressed air foam generation subsystem 5 is electrically connected to the upper computer control system 8 through the first local control cabinet 13
- the second compressed air foam generation subsystem 7 is electrically connected to the upper computer control system 8 through the second local control cabinet 14 Electric connection.
- the normal working compressed air foam generating subsystem When a certain compressed air foam generating subsystem fails, the normal working compressed air foam generating subsystem simultaneously supplies bubbles to the first fire monitor 4 and the second fire monitor 6 to ensure the full coverage of the fire converter 1. It should be noted that when the two fire extinguishing systems are both normal, one compressed air foam generating subsystem supplies foam to the first fire monitor 4, and the other compressed air foam generating subsystem supplies foam to the second fire monitor 6.
- a compressed air foam generating subsystem distributes bubbles to ensure the amount of compressed air foam to effectively extinguish the fire.
- the spray range covering the entire converter transformer 1 is the most important thing. Only by covering the entire converter transformer 1 can the fire be extinguished. The requirement for the amount of foam is secondary. Therefore, the compressed air foam generation subsystem that can work normally sends the first fire monitor 4 and the first fire monitor 4 arranged above the fire converter transformer 1.
- the second fire monitor 6 is for bubbling.
- the first compressed air foam generating subsystem 5 and the second compressed air foam generating subsystem 7 are arranged far away from the area where the converter transformer 1 is located.
- the first compressed air foam generation subsystem 5 is arranged in the pole 1 square of the UHV converter station in operation
- the second compressed air foam generation subsystem 7 is arranged in the pole 2 square of the UHV converter station in operation.
- Pole 1 square and Pole 2 square are both far away from converter 1.
- the purpose of this design is that when converter 1 catches fire, it is easy to cause explosion and damage pipelines and fire monitors. If the compressed air foam produces the subsystem distance If the rheology 1 is close, it is easy to cause damage to the system and cannot produce foam.
- the compressed air foam generation subsystem is arranged far away from the converter 1, even if an explosion occurs or the fire monitor is damaged, it can also be produced by compressed air foam
- the sub-system generates foam and supplies it to the ignition converter 1 position through the pipeline.
- the working process of the present invention is as follows: as shown in Fig. 6, 4 fire monitors are arranged at intervals of the single-valve converter transformer 100, and two fire monitors correspond to each two adjacent converter transformers 1, and one fire monitor passes through
- the first compressed air foam generating subsystem 5 provides foam
- the other fire monitor is provided by the first compressed air foam generating subsystem 5.
- the compressed air foam generating subsystem 5 is connected, and the second and fourth fire monitors from the bottom up are connected to the second compressed air foam generating subsystem 7.
- the fire monitors set on the eaves of the valve hall 3 can be changed for each Rheology 1 has no difference coverage; two compressed air foam generating subsystems are respectively arranged in the two pole squares of the UHV converter station in operation.
- No. 2 fire monitor is provided with compressed air foam by the second compressed air foam generating subsystem 7 located in Ji 2 Square, while No. 1 is provided by the first compressed air foam generating subsystem 5 on Ji 1 plaza, which is far away. Foam.
- the fire extinguishing system of the UHV converter station also includes a first redundant connection port (not shown in the figure) and a second redundant connection.
- the remaining connection port (not marked in the figure), the first redundant connection port is a redundant port of the first bubble supply pipe 11, and the redundant port extends to the square area of the converter substation 1, and the second redundant port
- the remaining port is a redundant port of the second bubble supply pipe 12, the redundant port extends to the 1 square area of the converter transformer, the size of the first redundant port and the second redundant port
- the shapes are all the same, the first redundant connection port is communicated with the external interface 17 through a manual gate valve 16, and the second redundant interface is communicated with the external interface 17 through another manual gate valve 16.
- the fire extinguishing system of the UHV converter station also includes a mobile fire fighting robot 18 connected with a hose 19, and the hose 19 has a first redundant connection port and a second redundant connection
- the port is also the external interface 17, and is moved to a predetermined area to realize the fire extinguishing of the YYA phase converter transformer 1; the specific effect is shown in Figure 5.
- the movable fire-fighting robot 18 adopts RXR-M40L-16CA produced by Jiujiang Zhongshi Changan Fire-fighting Equipment Co., Ltd.
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Abstract
Description
Claims (10)
- 适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,所述特高压换流站消防灭火系统包括第一泡沫消防炮灭火系统、第二泡沫消防炮灭火系统以及上位机控制系统,所述第一泡沫消防炮灭火系统包括第一消防炮和第一压缩空气泡沫产生子系统,第二泡沫消防炮灭火系统包括第二消防炮和第二压缩空气泡沫产生子系统,所述方法包括:上位机控制系统接收声光报警信号、报警位置信号以及开关分位信号后,启动固定消防炮喷射射程预测分析子系统;固定消防炮喷射射程预测分析子系统根据外界风向以及外界风速大小判断消防炮射程是否有效覆盖全部换流变区域;若是,则启动第一压缩空气泡沫产生子系统以及第二压缩空气泡沫产生子系统,第一压缩空气泡沫产生子系统所属的第一消防炮以及第二压缩空气泡沫产生子系统所属的第二消防炮均自动预置位,固定消防炮远程琴台操作灭火;若否,如果是第一消防炮不满足射程要求,则由移动消防机器人替换第一消防炮进行灭火,如果是第二消防炮不满足射程要求,则由移动消防机器人替换第二消防炮进行灭火,如果第一消防炮和第二消防炮均不满足射程要求则由两个移动消防机器人分别替换第一消防炮和第二消防炮进行灭火。
- 根据权利要求1所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,上位机控制系统接收声光报警信号、报警位置信号以及开关分位信号包括:获取2路缆式温感探测器以及2台火焰探测器通过耦合报警的信号数据,组合报警控制器通过三取二原则自主研判输出声光报警信号和报警位置信号,单阀组换流变的断路器开关动作,单阀组换流变 自动断电,输出开关分位信号。
- 根据权利要求2所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,所述三选二原则包括:至少1台火焰探测器发出动作信号,即认为该路输出动作信号,两台火焰探测器作为1路输出与2路缆式温感探测器一起构成3路输出,当3路输出中至少2路发出动作信号时,组合报警控制器报警。
- 根据权利要求1所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,所述固定消防炮喷射射程预测分析子系统内置于上位机控制系统中。
- 根据权利要求1所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,固定消防炮喷射射程预测分析子系统根据外界风向以及外界风速大小判断消防炮射程是否有效覆盖全部换流变区域包括:建立风环境波动置信度判定模型;通过风环境波动置信度判定模型确定外界风向和外界风速大小;建立固定消防炮有效覆盖性能预测模型;将风环境波动置信度判定模型确定的外界风向和外界风速大小输入固定消防炮有效覆盖性能预测模型判断消防炮射程是否有效覆盖全部换流变区域。
- 根据权利要求6所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,所述通过风环境波动置信度判定模型确定外界风向和外界风速大小包括:当风速大小波动置信度值η和风向角度波动置信度值λ的取值均小于预设值时,则判定外界风速大小、外界风速方向条件稳定,外界风速大小采用基本风速ν 基,外界风向采用基本风向β 基;当风速大小波动置信度值η和风向角度波动置信度值λ的取值均大于预设值时,则判定外界风速或外界风向条件波动大,消防炮受外部风环境影响程度也会随之增大,通过风向风速概率统计模型以每30°为一个统计方位划分12个扇形区方位区进行风向统计,取统计概率最高的风向作为参考风向,取该参考风向所在扇形区的风速大小统计均值作为参考风速,外界风速大小采用参考风速,外界风向采用采用参考风向。
- 根据权利要求5所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,所述建立固定消防炮有效覆盖性能预测模型包括:通过公式 获取消防炮与风速耦合条件下的速度,其中,ν o为消防炮与风速耦合条件下的速度,ν p为消防炮初始喷射速度,θ为初始喷射角度且取值范围[0°,360°],ν f为外界风速大小,β为外界风向且取值范围[0°,360°];
- 根据权利要求9所述的适用于特高压换流站消防灭火系统的运行控制方法,其特征在于,所述将风环境波动置信度判定模型确定的风向和风速大小输入固定消防炮有效覆盖性能预测模型判断消防炮射程是否有效覆盖全部换流变区域包括:当L 0≥L 需时,消防炮在消防炮初始喷射速度、初始喷射角度、外界风速及外界风向条件下,消防炮射程有效覆盖全部换流变区域;当L 0<L 需时,消防炮在消防炮初始喷射速度、初始喷射角度、外界风速及外界风向条件下,消防炮射程无法有效覆盖全部换流变区域。
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