CN103344284A - Test method for manual intervention of freezing rain in distribution network glaze feature region - Google Patents

Test method for manual intervention of freezing rain in distribution network glaze feature region Download PDF

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CN103344284A
CN103344284A CN2013103128411A CN201310312841A CN103344284A CN 103344284 A CN103344284 A CN 103344284A CN 2013103128411 A CN2013103128411 A CN 2013103128411A CN 201310312841 A CN201310312841 A CN 201310312841A CN 103344284 A CN103344284 A CN 103344284A
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test
step
glaze
freezing
ice
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CN2013103128411A
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Chinese (zh)
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陆佳政
方针
胡建平
赵纯
蒋正龙
张红先
李波
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国家电网公司
湖南省电力公司科学研究院
湖南省湘电试研技术有限公司
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Priority to CN2013103128411A priority Critical patent/CN103344284A/en
Publication of CN103344284A publication Critical patent/CN103344284A/en

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Abstract

The invention discloses a test method for manual intervention of freezing rain in a distribution network glaze feature region. The test method comprises a first step of equipping an artillery and test materials, a second step of shooting the test materials to a high altitude of the distribution network glaze feature region, a third step of designating an influence test area and a contrast test area, a fourth step of arranging a wire frame which is used for holding a wire, a fifth step of reaching the test area 1-2 hours before the freezing rain, a sixth step of waiting for the freezing rain and shooting shells, a seventh step of inputting data into a table to conduct contrast, an eighth step of repeating the fifth step, the sixth step and the seventh step, and a ninth step of contrasting the density of icing of the influence test area with the density of icing of the contrast test area. The test method for manual intervention of the freezing rain in the distribution network glaze feature region is simple, easy to operate, and capable of proving guide for a test of manual intervention of glaze, obtaining the change conditions of glaze which is intervened manually, conducting comparison, and providing a basis for application of freezing rain manual intervention in the distribution network glaze feature region.

Description

电网雨凇特征区域人工干预冻雨试验方法 Glaze characteristics of the regional grid test methods for manual intervention freezing rain

技术领域 FIELD

[0001] 本发明属于电气工程技术领域,涉及一种电网雨凇特征区域人工干预冻雨试验方法。 [0001] The present invention belongs to the technical field of electrical engineering, relates to a method for freezing test feature region grid glaze manual intervention.

背景技术 Background technique

[0002] 覆冰是一种严重威胁电网安全运行的灾害,2008年的南方地区冰灾致使大量输电线路倒塔断线,电力输送中断,直接经济损失数十亿元人民币,并严重影响了电网的安全运行和群众的正常生活。 [0002] icing is a serious threat to the safe operation of the power grid disaster, the ice storm in the south in 2008, resulting in a large number of transmission lines break down the tower, interrupted electricity transmission, direct economic losses of several billion yuan, and seriously affect the power grid safe operation and normal life of the masses.

[0003] 而雨凇,正是造成电网覆冰倒塔断线的最主要原因,目前,针对电网雨凇覆冰的应对方法,还只是对输电线路的覆冰开展融冰工作,未有可以在雨凇形成之前通过人工干预阻止雨凇形成的有效方法。 [0003] The freezing rain, ice down exactly what caused the power grid the main reason for the disconnection of the tower, at present, for our approach grid glaze of ice, melting ice just to carry out work on the transmission line icing, no can prior to glaze forming an effective way to glaze formed by human intervention to stop. 为此,在湖南省发生冻雨气象条件较多的地区,仅限于重点针对电网雨凇特征区域,进行人工干预电网雨凇特征区域冻雨过程,干预输电线、变电站、塔架、 建筑物、植物等雨凇形成的试验,采集作业前后的温湿度、风速、风向、雨量、雪量以及覆冰量、覆冰形态等多方面的观测资料,研究冻雨量、温度、湿度、风力、风向等与电网雨凇人工干预作用效果的关系,对比分析干预区域内外的气象观测数据和雨凇观测数据。 For this reason, in the region of Hunan Province more freezing rain weather conditions, only focusing on the characteristics of the regional power grid glaze, a process of manual intervention freezing rain glaze characteristic grid area, intervention transmission lines, substations, towers, buildings, plants, etc. test glaze formation, acquisition of temperature and humidity before and after operation, wind speed, wind, rain, snow and ice cover, and many other forms of icing observations, studies freezing rain, temperature, humidity, wind power, wind power and the like relations glaze effects of human intervention, intervention comparative analysis of meteorological observation data outside the region and glaze observations. 以及对人工干预电网雨凇特征区域的作用给出技术评价。 And technical evaluation is given the role of human intervention glaze features regional power grid right.

发明内容 SUMMARY

[0004] 本发明要解决的技术问题是,针对目前尚无任何方法可以通过人工阻止雨凇形成的落后状况,提供一种电网雨凇特征区域人工干预冻雨试验方法,通过该方法可开展人工阻止雨凇形成的试验,为输电线路的防冰工作提供指导。 [0004] The present invention to solve the technical problem, for there is no way to manually stop any backward state of glaze formed to provide a glaze characteristics of the regional grid freezing rain test methods manual intervention can be carried out manually stop by this method glaze test formed to provide guidance to the work of anti-icing of transmission lines.

[0005] 本发明的技术方案是,所提供的这种电网雨凇特征区域人工干预冻雨试验方法包括下述步骤: [0005] aspect of the present invention is characterized in freezing rain test methods glaze grid area of ​​this human intervention is provided comprising the steps of:

[0006] (I)、配备高炮一台。 [0006] (I), with an anti-aircraft artillery. 配备内填碘化银气溶胶粒子的筒装受试物,该筒装受试物的筒径大小与所配高炮炮膛的膛径大小匹配; Silver iodide particles in the aerosol filling cartridges with the test substance, the size of the cylinder diameter cartridges with test substance with the antiaircraft gun bore diameter to match the size of the bore;

[0007] (2)、将步骤(I)所备高炮移送至待人工干预冻雨电网雨凇特征区域,使用该高炮将所备筒装受试物向高空发射。 [0007] (2), the step (I) is prepared to be transferred to the manual intervention antiaircraft glaze freezing characterized in grid region, the use of anti-aircraft artillery barreled The test apparatus to high altitude launcher. 观察筒装受试物被射向高空后的冻雨转化为冰粒的试验效果。 Observation test cartridges were freezing into ice of the test results is directed altitude. 确定所述冰粒的化学成分,找出其中具有快速凝结高空水滴能力的成分,以该成分物质填筒构成可迅速凝结冻雨成为冰粒从空中落下的筒装炮弹; Determining the chemical composition of the particles of ice, to find droplets having rapid setting high capacity component, the component material to fill the cartridge can be configured to become rapid condensation freezing ice falling from the sky cartridges shell;

[0008] ( 3 )、在上述待人工干预冻雨电网雨凇特征区域择一高地作为下一高炮发射点,分别在该高炮发射点顺风方向2km处和该高炮发射点顺风方向5km处划定一个直径为0>1〜 2km的区域作为影响试验区域。 [0008] (3) In the above manual intervention to be characterized in the grid area glaze alternatively Heights as the next freezing antiaircraft emission point, at which each 5km antiaircraft transmitting point and at the downwind 2km Artillery emission point downwind a diameter delineated 0> as the influence region 1~ 2km test area. 然后,在所述高炮发射点逆风方向Ikm处划定一个直径为OU〜2km的区域作为对比试验区域; Then, the emission point antiaircraft upwind Ikm diameter at a region designated as OU~2km comparative test area;

[0009] (4)、在步骤(3)所划定的三个试验区域内各设置一个导线架,在该导线架上分别按东西方向摆放一根导线,按南北方向摆放一根导线; [0009] (4), in step (3) is provided within each of the three test area delimited a lead frame, respectively a conductor placed in what direction the lead frame, placing a north-south direction wire ;

[0010] (5)、试验开始之前24小时,通过当地气象部门了解步骤(3)所划定的各试验区域的气象预报。 [0010] (5), 24 hours before the start of the test, the local meteorological understood by step (3) of the weather forecast for each test zone delimited. 一旦获知冻雨发生时间,通知参加试验人员抢在冻雨发生前12小时分别到达所述三个试验区域,从参加试验人员到达试验区域之时起算,每隔I小时记录一次该试验区域的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度; Once known freezing rain occurrence time, inform testing personnel to participate in the grab 12 hours before freezing occurs three respectively reach the test area, the test area starting from the participation in the trial personnel arrive, the temperature of the test area recorded once every I hour, humidity , wind, rain, rain shape, density and icing step (4) is placed icing thickness;

[0011] (6)、守候冻雨,一旦发现空中落下冻雨,立即使用步骤(2)所移送的高炮发射步骤(I)所填筒装炮弹; [0011] (6), waiting for freezing rain, freezing rain falling upon discovery air, used immediately in step (2) anti-aircraft artillery emission step (I), transferred shells filled cartridges;

[0012] (7)、8小时后,将在步骤(3)划定的二个影响试验区域所记录的温度、湿度、风速、 雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度数据,和在步骤(3)划定的一个对比试验区域所记录的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度数据,导入表格中进行对比; [0012] (7), after 8 hours, in step (3) Effect of the test area delineated two recorded temperature, humidity, wind speed, precipitation, precipitation morphology, and density of ice in step (4) is placed icing thickness data, and in step (3) a comparison test designated areas of the recorded temperature, humidity, wind speed, precipitation, precipitation morphology, and density of ice in step (4) is placed in the ice thickness data wire, introducing comparison table;

[0013] (8)、重复步骤(5)〜(7) 二次; [0013] (8) repeating steps (5) to (7) secondary;

[0014] (9)、依据步骤(7)所得对比结果显示的上述影响试验区域的降水形态和对比试验区域的降水形态,如果所述影响试验区域的降水形态为冰粒子,对比试验区域的降水形态为冻雨,则表明本次电网雨凇特征区域人工干预冻雨试验成功完成,否则表明本次电网雨凇特征区域人工干预冻雨试验失败。 [0014] (9), according to step (7) precipitation and precipitation type morphology comparison test region of the test zone of influence obtained show comparative results of the test if the impact area is precipitation type particle precipitation ice, comparative test area form is freezing rain, freezing rain indicates that this feature of the regional power grid human intervention freezing rain tests are completed successfully, otherwise this show features regional power grid glaze manual intervention freezing rain test failure. 或者,对比上述影响试验区域的覆冰密度和对比试验区域的覆冰密度,如果影响试验区域的覆冰密度变小,同时所述摆放的导线的覆冰厚度也明显减少,则亦表明本次电网雨凇特征区域人工干预冻雨试验成功完成,否则表明本次电网雨凇特征区域人工干预冻雨试验失败。 Alternatively, the density and contrast icing icing density region of the impact test comparative test areas, if the effect icing density test area becomes smaller, while the thickness of the ice placed wires significantly reduced, it also indicates that the present glaze characteristics of the regional grid times manual intervention freezing rain tests are completed successfully, otherwise this show features regional power grid glaze manual intervention freezing rain test failure.

[0015] 记录影响试验区域和对比试验区域的所有统计数据,每种数据都根据时间的变化制成相应的曲线,对比影响试验区域和对比试验区域的数据曲线,如果温度、湿度、风速、雨量的变化不大,降雨形态、覆冰密度及覆冰厚度变化明显,则表示该试验十分成功。 [0015] Effect of all recording data in the test area and the statistical comparison test regions, each of the respective data curve made according to the change of time, compares the effects of the test area and the data curve comparison test areas, if the temperature, humidity, wind speed, precipitation little change, rainfall patterns, icing ice thickness and density changes significantly, it indicates that the test is successful. 还可对数据进行分析,得到待人工干预冻雨电网雨凇特征区域人工干预冻雨试验报告,即对同等气象条件下,影响试验区域和对比试验区域不同的覆冰形态变化、不同的覆冰密度变化及不同的覆冰厚度变化,乃至人工干预冻雨电网雨凇特征区域的作用给出的技术评价。 , Data can be analyzed, manual intervention to be characterized in the grid area glaze freezing manual intervention freezing test report, namely under the same weather conditions, the effects of different test areas of the test zone and Comparative morphological changes icing, ice different density evaluation techniques and different thickness variations of ice, freezing rain and even manual intervention zone wherein the grid is given the role of freezing rain.

[0016] 本发明的有益效果是: [0016] Advantageous effects of the present invention are:

[0017] I)、试验方法简单,易于操作; [0017] I), the test method is simple, easy to operate;

[0018] 2)、可为人工干预雨凇试验提供指导; [0018] 2), can provide guidance for manual intervention glaze test;

[0019] 3)、利用该试验方法可获得人工干预雨凇在同等气象条件下,试验影响区域和试验对比区域的不同覆冰形态、不同覆冰密度和不同导线覆冰厚度的变化情况并加以比较; [0019] 3) This test method utilizes manual intervention glaze obtained under the same weather conditions, ice forms in different areas and impact test comparative test area, and various changes in density ice icing thickness be different and comparison;

[0020] 4)、通过该方法获得的人工干预冻雨在同等气象条件下,试验影响区域和试验对比区域相比较覆冰形态、覆冰密度和导线覆冰厚度的变化情况,为电网雨凇特征区域的人工干预冻雨实际应用提供了依据。 [0020] 4) obtained by this method manual intervention freezing under the same weather conditions, the test area of ​​influence and test comparing areas compared icing morphology changes icing density and icing thickness of glaze characterized grid rain freezing rain in the area of ​​practical application of human intervention was provided.

具体实施方式 Detailed ways

[0021] 实施例1: [0021] Example 1:

[0022] ( I)、配备高炮一台。 [0022] (I), with an anti-aircraft artillery. 配备内填碘化银气溶胶粒子的筒装受试物,该筒装受试物的筒径大小与所配高炮炮膛的膛径大小匹配。 Silver iodide particles in the aerosol filling cartridges with the test substance, the size of the cylinder diameter cartridges with test substance with the antiaircraft gun bore diameter to match the size of the bore.

[0023] (2)、将步骤(I)所备高炮移送至待人工干预冻雨电网雨凇特征区域,使用该高炮将所备筒装受试物向高空发射。 [0023] (2), the step (I) is prepared to be transferred to the manual intervention antiaircraft glaze freezing characterized in grid region, the use of anti-aircraft artillery barreled The test apparatus to high altitude launcher. 观察筒装受试物被射向高空后的冻雨转化为冰粒的试验效果。 Observation test cartridges were freezing into ice of the test results is directed altitude. 确定所述冰粒的化学成分,找出其中具有快速凝结高空水滴能力的成分,以该成分物质填筒构成可迅速凝结冻雨成为冰粒从空中落下的筒装炮弹; Determining the chemical composition of the particles of ice, to find droplets having rapid setting high capacity component, the component material to fill the cartridge can be configured to become rapid condensation freezing ice falling from the sky cartridges shell;

[0024] (3)、在上述待人工干预冻雨电网雨凇特征区域择一高地作为下一高炮发射点,分别在该高炮发射点顺风方向2km处和该高炮发射点顺风方向5km处划定一个直径为OUkm 的区域作为影响试验区域。 [0024] (3) In the above manual intervention to be characterized in the grid area glaze alternatively Heights as the next freezing antiaircraft emission point, at which each 5km antiaircraft transmitting point and at the downwind 2km Artillery emission point downwind a designated area OUkm diameter as the impact test area. 然后,在所述高炮发射点逆风方向Ikm处划定一个直径为OUkm 的区域作为对比试验区域; Then, the emission point antiaircraft upwind Ikm diameter at a region designated as OUkm comparative test area;

[0025] (4)、在步骤(3)所划定的三个试验区域内各设置一个导线架,在该导线架上分别按东西方向摆放一根导线,按南北方向摆放一根导线; [0025] (4), in step (3) is provided within each of the three test area delimited a lead frame, respectively a conductor placed in what direction the lead frame, placing a north-south direction wire ;

[0026] (5)、试验开始之前24小时,通过当地气象部门了解步骤(3)所划定的各试验区域的气象预报。 [0026] (5), 24 hours before the start of the test, the local meteorological understood by step (3) of the weather forecast for each test zone delimited. 一旦获知冻雨发生时间,通知参加试验人员抢在冻雨发生前12小时分别到达所述三个试验区域,从参加试验人员到达试验区域之时起算,每隔I小时记录一次该试验区域的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度; Once known freezing rain occurrence time, inform testing personnel to participate in the grab 12 hours before freezing occurs three respectively reach the test area, the test area starting from the participation in the trial personnel arrive, the temperature of the test area recorded once every I hour, humidity , wind, rain, rain shape, density and icing step (4) is placed icing thickness;

[0027] (6)、守候冻雨,一旦发现空中落下冻雨,立即使用步骤(2)所移送的高炮发射步骤 [0027] (6), waiting for freezing rain, freezing rain falling upon discovery air was used immediately in step (2) the step of transferring emission artillery

(I)所填筒装炮弹; (I) shells filled cartridges;

[0028] (7),8小时后,将在步骤(3)划定的二个影响试验区域所记录的温度、湿度、风速、 雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度数据,和在步骤(3)划定的一个对比试验区域所记录的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度数据,导入表格中进行对比; [0028] (7), after 8 hours, in step (3) Effect of the test area delineated two recorded temperature, humidity, wind speed, precipitation, precipitation morphology, and density of ice in step (4) is placed icing thickness data, and in step (3) a comparison test designated areas of the recorded temperature, humidity, wind speed, precipitation, precipitation morphology, and density of ice in step (4) is placed in the ice thickness data wire, introducing comparison table;

[0029] (8)、重复步骤(5)〜(7) 二次; [0029] (8) repeating steps (5) to (7) secondary;

[0030] (9)、依据步骤(7)所得对比结果显示的上述影响试验区域的降水形态和对比试验区域的降水形态,如果所述影响试验区域的降水形态为冰粒子,对比试验区域的降水形态为冻雨,则表明本次电网雨凇特征区域人工干预冻雨试验成功完成,否则表明本次电网雨凇特征区域人工干预冻雨试验失败。 [0030] (9), according to step (7) precipitation and precipitation type morphology comparison test region of the test zone of influence obtained show comparative results of the test if the impact area is precipitation type particle precipitation ice, comparative test area form is freezing rain, freezing rain indicates that this feature of the regional power grid human intervention freezing rain tests are completed successfully, otherwise this show features regional power grid glaze manual intervention freezing rain test failure.

[0031] 实施例2: [0031] Example 2:

[0032] 步骤(I)〜(2)同实施例1 ; [0032] Step (I) ~ (2) in Example 1;

[0033] (3)、在上述待人工干预冻雨电网雨凇特征区域择一高地作为下一高炮发射点,分别在该高炮发射点顺风方向2km处和该高炮发射点顺风方向5km处划定一个直径为0>2km 的区域作为影响试验区域。 [0033] (3) In the above manual intervention to be characterized in the grid area glaze alternatively Heights as the next freezing antiaircraft emission point, at which each 5km antiaircraft transmitting point and at the downwind 2km Artillery emission point downwind a diameter delineated 0> 2km impact area as a test area. 然后,在所述高炮发射点逆风方向Ikm处划定一个直径为0)2km 的区域作为对比试验区域; Then, the emission point antiaircraft upwind Ikm diameter at a designated area of ​​2km 0) as the comparative test area;

[0034] 步骤(4)〜(8)同实施例1 ; [0034] Step (4) to (8) in Example 1;

[0035] ( 9 )、对比上述影响试验区域的覆冰密度和对比试验区域的覆冰密度,如果影响试验区域的覆冰密度变小,同时所述摆放的导线的覆冰厚度也明显减少,则表明本次电网雨凇特征区域人工干预冻雨试验成功完成,否则表明本次电网雨凇特征区域人工干预冻雨试验失败。 [0035] (9), the density and contrast icing icing density region of the impact test comparative test areas, if the effect icing density test area becomes smaller, while the thickness of the ice placed wires also decreased , it indicates that this feature of the regional power grid glaze manual intervention freezing rain tests are completed successfully, otherwise this show features regional power grid glaze manual intervention freezing rain test failure.

Claims (1)

1.一种电网雨凇特征区域人工干预冻雨试验方法,该方法包括下述步骤:(1)、配备高炮一台,配备内填碘化银气溶胶粒子的筒装受试物,该筒装受试物的筒径大小与所配高炮炮膛的膛径大小匹配;(2)、将步骤(I)所备高炮移送至待人工干预冻雨电网雨凇特征区域,使用该高炮将所备筒装受试物向高空发射,观察筒装受试物被射向高空后的冻雨转化为冰粒的试验效果, 确定所述冰粒的化学成分,找出其中具有快速凝结高空水滴能力的成分,以该成分物质填筒构成可迅速凝结冻雨成为冰粒从空中落下的筒装炮弹;(3)、在上述待人工干预冻雨电网雨凇特征区域择一高地作为下一高炮发射点,分别在该高炮发射点顺风方向2km处和该高炮发射点顺风方向5km处划定一个直径为0>1〜2km 的区域作为影响试验区域,然后,在所述高炮发射点逆风方向Ikm处划定一个直径为0) A glaze feature region grid freezing test manual intervention, the method comprising the steps of: (1) equipped with an anti-aircraft artillery, filled cartridges were tested with the aerosol particles of silver iodide, the cartridges by diameter size matches the size of the test was antiaircraft gun bore with the diameter of the bore; (2), the step (I) is prepared to be transferred to the manual intervention antiaircraft glaze freezing characterized in grid region, the use of anti-aircraft artillery the apparatus launching the altitude test cartridges, the cartridges were observed after freezing transformation test substance is high as the ice particles toward the test results to determine the chemical composition of the particles of ice, to find droplets having high capability of rapid setting component to fill the cartridge of the substance constituting the component can be rapid condensation freezing ice falling from the sky barreled artillery; (3), in the glaze be manual intervention zone wherein the grid as the next freezing alternatively Heights antiaircraft emission point, respectively Artillery a diameter delineated in the emission point downwind 2km at the anti-aircraft artillery and the emission point is at the downwind 5km region 0> 1~2km as impact test area, and then, the emission point upwind Artillery at Ikm 0 designated a diameter) 1〜 2km的区域作为对比试验区域;(4)、在步骤(3)所划定的三个试验区域内各设置一个导线架,在该导线架上分别按东西方向摆放一根导线,按南北方向摆放一根导线;(5)、试验开始之前24小时,通过当地气象部门了解步骤(3)所划定的各试验区域的气象预报,一旦获知冻雨发生时间,通知参加试验人员抢在冻雨发生前12小时分别到达所述三个试验区域,从参加试验人员到达试验区域之时起算,每隔I小时记录一次该试验区域的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度;(6)、守候冻雨,一旦发现空中落下冻雨,立即使用步骤(2)所移送的高炮发射步骤(I) 所填筒装炮弹;(7)、8小时后,将在步骤(3)划定的二个影响试验区域所记录的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度数据,和在步骤(3) 1~ 2km region as a comparative test area; (4), in step (3) is provided within each of the three test area delimited a lead frame, respectively a conductor placed in what direction the lead frame, by placed in a north-south direction wires; (5), 24 hours before the start of the test, through the local meteorological departments to understand step (3) weather forecast each test area delineated, once informed of the occurrence of freezing rain time, notice participate in the trial who rush in before freezing 12 hours from the arrival of the three test areas, respectively, starting from the test area to participate in testing personnel arrive every hour I recorded the temperature of the test zone, humidity, wind speed, precipitation, precipitation morphology, and density of ice step (4) is placed in a thickness of icing; (6), waiting for freezing rain, freezing rain falling upon discovery air was used immediately in step (2) anti-aircraft artillery emission step (I), transferred shells filled cartridges; (7) after 8 hours, the step (3) Effect of the test area delineated two recorded temperature, humidity, wind speed, precipitation, precipitation morphology, and density of ice in step (4) is placed icing thickness data, and in step (3) 定的一个对比试验区域所记录的温度、湿度、风速、雨量、降雨形态、覆冰密度及步骤(4)所摆放导线覆冰厚度数据,导入表格中进行对比;(8)、重复步骤(5)〜(7) 二次;(9)、依据步骤(7)所得对比结果显示的上述影响试验区域的降水形态和对比试验区域的降水形态,如果所述影响试验区域的降水形态为冰粒子,对比试验区域的降水形态为冻雨,则表明本次电网雨凇特征区域人工干预冻雨试验成功完成,否则表明本次电网雨凇特征区域人工干预冻雨试验失败,或者,对比上述影响试验区域的覆冰密度和对比试验区域的覆冰密度,如果影响试验区域的覆冰密度变小,同时所述摆放的导线的覆冰厚度也明显减少,则亦表明本次电网雨凇特征区域人工干预冻雨试验成功完成,否则表明本次电网雨凇特征区域人工干预冻雨试验失败。 Given a comparative test area recorded temperature, humidity, wind speed, precipitation, precipitation morphology, and density of ice in step (4) is placed in the ice thickness data wire, introducing a table comparing; (8), repeating steps ( 5) to (7) secondary; (9), according to step (7) precipitation and precipitation type morphology comparison test region of the test zone of influence obtained show comparative results of the test if the impact zone precipitation patterns ice particles precipitation patterns, comparative test area for freezing rain, it indicates that this glaze characteristics of the regional grid human intervention freezing rain tests are completed successfully, otherwise indicate that this glaze features regional power grid human intervention freezing rain test failure, or cover above comparison affect the test area icing and ice density test area density contrast, if the effect icing density test area becomes smaller, while the thickness of the ice placed wires significantly reduced, this also indicates that the feature region grid glaze manual intervention sleet the test is completed successfully, otherwise this show features regional power grid glaze manual intervention freezing rain test failure.
CN2013103128411A 2013-07-24 2013-07-24 Test method for manual intervention of freezing rain in distribution network glaze feature region CN103344284A (en)

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