德阳干式变压器：配电德阳干式变压器安装位置的选择

配电德阳干式变压器安装位置的选择 　　
选择配电德阳干式变压器的位置时，应按以下原则：
1)一台配电德阳干式变压器能带几种性质的负荷，以便利用各种负荷的时间交叉，使配电德阳干式变压器的容量得到充分的利用。而对于排灌站或机井，应设置专用德阳干式变压器，不要接入其他负荷，以便在非排灌季节停用。
2)接近负荷中心。先根据负荷和分布情况，计算出负荷矩.以此确定负荷中心，然后将德阳干式变压器靠近负荷中心安装。这样可以缩短供电半径(不大于0. 5km)，减小投资，减小损耗。提高电压质量，运行维护方便。一般情况下，应安装在用电量较大的用户附近。另外，如果德阳干式变压器单独安装在底架横担或台上时，应尽量避开下列情况的电杆：大转角杆，分支杆，装有柱上油德阳干式变压器或闸刀电杆，有高压引下线和电缆的电杆，低压架空线，接户线较多的电杆，以及不便于巡视、检查、测量和检修吊装德阳干式变压器的电杆，集镇十字交叉路口的电杆，重要线路主干线的电杆。
3)避开易燃易爆场所。易燃物主要指汽油、柴油、油漆、香蕉水和酒精等液体以及柴草、棉花、像胶等固体，易爆物主要指火药、炸药、雷管、导火索、导爆索以及鞭炮等.应远离贮存这些物品的场所和仓库。
4)避开污秽地带。主要是粉碎作业地、水泥、砖瓦、面粉以及化工场所，应远离盐雾、腐蚀性气体及灰尘较多的场所。
5)避开地势低洼地段。正常年分(按30年一遇的洪水考虑)避开可能被雨水冲刷和淹没的地段，避开易塌方的场所。
6)高低压进出线要方便。要考虑高压配电线路进线的可能性与安全性。线路走廊要充裕。即保证各种安全距离足够，不影响农村的长远规划。对地埋线来说，应布置好各回出线的敷设途径，并满足对地下设施的安全距离，且不影响农村的长远发展。
7)施工要方便。包括德阳干式变压器安装运输方便、配电室建筑施工方便和离低压线路架设施工方便等。
8)不应放在靠近学校、广场中心等人口稠密的地方，应选择没有剧烈震动的场所。

Distribution transformer installation location of choice

The choice of the location of the distribution transformers in accordance with the following principles:
1) a distribution transformer with several nature of the load, in order to take advantage of a variety of load time cross, so that the capacity of distribution transformers can be fully utilized. For irrigation and drainage stations or motor-pumped well, you should use a transformer, do not access other load in order to disable the non-irrigation and drainage season.
2) close to the load center. First according to the load and distribution, to calculate the load moment in order to determine the load center, then the transformer near the load center installation. This can shorten the supply radius (greater than 0. 5km), reduce investment, reduce wear and tear. Improve the voltage quality, easy operation and maintenance. Under normal circumstances, should be installed near the large users of electricity consumption. In addition, if the transformer is separately installed in the chassis cross arm or on stage, you should try to avoid the poles of the following circumstances: large corner pole, branch rod, equipped with a column of oil circuit breaker or knife poles, cited under high pressure line pole and cables, low voltage overhead line, then the family line more poles, and not easy to inspection, examination, measurement and repair lifting the poles of the transformer, the town cross the intersection of the poles, lines mainline electricity lever.
3) avoid the flammable and explosive places. Mainly refers to a liquid such as gasoline, diesel, paint, bananas, water and alcohol as well as firewood, cotton, rubber and other solid combustibles, explosives mainly refers to gunpowder, explosives, detonators, fuses, detonating cord, and firecrackers should be away from the storage places and warehouses of these items.
4) to avoid the dirty zone. The main is to crush operations, the cement, brick, flour, and chemical spaces, should stay away from salt spray, corrosive gas and dusty place.
5) to avoid low-lying lots. Normal Year (consider a 30-year flood) to avoid may be washed and drowned the lot, to avoid the easy collapse of the place.
6) high and low pressure inlet and outlet to be convenient. To consider the possibility and safety of the line of high-voltage distribution lines. Line corridor to be abundant. Which is to ensure sufficient distance of a variety of security, does not affect the long-term planning of rural areas. Shall be arranged to catgut embedding laying way back to the outlet, and to meet the safe distance of the underground facilities, and does not affect the long-term rural development.
7) construction. Transformer easy installation and transportation, power distribution room construction to facilitate and away from the low voltage lines and easy erection.
8) should not be placed near schools, the center of the square and other densely populated places, should choose a place with no severe vibration.

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