酒泉干式变压器：酒泉干式变压器的安装要求

酒泉干式变压器的安装要求 　　
1.一般规定
1)变台边缘距可然性物的距离应不小于5m；距耐火物的距离应不小于3m.。
2)酒泉干式变压器的上下引线均应采用多股绝缘线。高压跌落式熔断器距地面应不小于4m，高压熔断器相间净距应不小于0. 5m。高压熔断器瓷件中心线与垂线间的夹角为15°300°。
3)酒泉干式变压器要安装在变台中心，应放平。
4)容量在315kVA及以下的酒泉干式变压器，宜采用双杆式酒泉干式变压器台，并在配电酒泉干式变压器下装设低压配电箱；容量在315kVA以上的酒泉干式变压器，宜采用落地式酒泉干式变压器台.并建低压配电室。城市新建住宅小区宜采用酒泉干式变压器室。
5)户外安装的酒泉干式变压器台应在醒目位置装设“高压危险！禁止攀登”标示牌.在酒泉干式变压器本体醒目处装设“当心触电”牌。

2.杆架式酒泉干式变压器台
1)杆架式布置的配电酒泉干式变压器，其底部离地面高度应不小于2.5m.，当配电箱安装在配电酒泉干式变压器下面时，其高度应大于或等于2m。安装跌落式熔断器的横担离酒泉干式变压器台面高度应不小于2.5m。
2)杆架宜采用槽钢，经热镀锌处理，其强度应满足载重酒泉干式变压器的要求。
3)安装配电酒泉干式变压器的台面应保持水平，双杆式配电酒泉干式变压器台架水平坡度不大于1/100，根开一般为2. 2—3.0m。

3.落地式酒泉干式变压器台
1)落地式的酒泉干式变压器底座应高于当地大洪水位，基础面应平整，离地高度应不小于0. 3m(一般为0.3—0. 5m)。
2)落地式配电酒泉干式变压器台应设有门或无门的围墙(栏)，且在围墙(栏)醒目处装设“高压危险，禁止入内！”标示牌。围墙（栏)高度应不低于1.8m ，栏杆的缝隙应不大于0. 1m，遮栏网孔应不大于40mm ×40mm。围墙(栏)与酒泉干式变压器的外廓净距应不小于0.8m；当有两台及以上酒泉干式变压器时，相邻酒泉干式变压器外脚之间的净距应不小于1.5m。
3)高压引下线电杆宜在围墙(栏)内，并靠近酒泉干式变压器.如果高压引下线电杆在围墙(栏)外，则高压引下线至围墙(栏)顶部的安全净距应不小于2. 2m。
4)安装跌落式熔断器的横担离地面高度应不小于4.5m.。
5)落地式的围墙(栏)宜与低压配电室连为一体。酒泉干式变压器巡视用门应设在配电室内。围墙内应无杂物及杂草。

4.酒泉干式变压器室
配电酒泉干式变压器室应按终规划负荷设计，建设初期按当前实际负荷选装酒泉干式变压器.配电酒泉干式变压器低压侧的配电箱，宜采用符合国标GB7251-1987《低压成套酒泉干式变压器设备》规定的产品，有条件的也可自制，但应满足以下要求：
1)配电箱的外壳应采用厚度为1.5-2. 0mm的铁板制成，并进行防腐处理.其防护等级应符合有关规定。
2)配电箱的防触电保护类别为I类或II类。
3)配电箱内应安装总闸刀、熔断器、电流互感器，农村还应安装漏电酒泉干式变压器和电能计量装置。其中电能计量装置应单独安装在一个封闭箱内并封印。100kVA及以上配电酒泉干式变压器.还应安装电压表和三相电流表.各电器元件之间以及它们对外壳的距离，应能满足安全净距和爬电距离及操作所需的距离。
4)配电箱进出线应采用有绝缘护套的绝缘电线.穿箱壳时应加护套。
5)配电箱应有通风、散热以及防止小动物进入的措施，箱体应可靠接地。
6)配电箱底距地面高度为2. 0m。

5.配电室

6.高层建筑的供电方式
为了保证高层建筑的供电可布性，应有两个供电电源，并设置柴油发电机组作为事故电源。

transformer installation requirements

(1) General provisions
1) varying sets of the edge away from the matter of probability distance should be not less than 5m; the distance from the fire-resistant material shall not be less than 3m.
2) up and down the lead of the transformer shall be used for multi-strand insulated wire. High pressure drop fuse from the ground shall be not less than 4m high-voltage fuses and white spacing should be not less than 0. 5m. The high voltage fuse pieces of porcelain centerline and the vertical angle between 15 ° and 300 °.
3) The transformer to be installed in the center of change Taiwan, should be flat.
4) the capacity of the transformer of 315kVA and below, should adopt the double-pole transformer stations, distribution transformers, in华盈非晶合金变压器有限公司stallation of low voltage distribution box; floor type transformer station capacity above 315kVA transformer should be adopted and built a low-voltage distribution room. The city's new residential district should adopt the transformer room.
5) the units of the outdoor installation of the transformer should be installed prominently the "danger of high voltage! Prohibit climbing" nameplate. "Beware of electric shock" card installed in the transformer body striking.

2 pole frame transformer in
1) lever-frame arrangement of distribution transformers, the bottom height from the ground shall not be less than 2.5m., When distribution box is installed in distribution transformers below, its height should be greater than or equal to 2m. The crossarm drop-out fuse is installed from the transformer table height should be not less than 2.5m.
2) poles should adopt the channel by hot-dip galvanizing processing, its strength should meet the requirements of the load transformer.
3) of the table to install distribution transformers should be kept level, dual-rod power distribution transformer bench level slope not greater than 1/100, the root opening is generally 2-3.0m.

3 floor-type transformers
1) floor of the transformer base should be higher than the local maximum flood level, the basis of the surface should be flat, ground clearance should not be less than 0. 3m (typically 0.3-0. 5m).
2) floor type distribution transformers shall be provided with doors or walls (no bar), and installed in the wall (column) eye-catching at the danger of high voltage, no entry! "Nameplate. (Column) of the wall height shall be not less than 1.8m railings gap should not be greater than 0. 1m cover bar mesh should be less than 40mm × 40mm. The outline of the wall (column) and the transformer spacing should not be less than 0.8m; two and above transformer, the spacing between the adjacent transformer outside foot should not be less than 1.5m.
3) high-voltage pole deflectors should be within the walls (bar), and close to the transformer. High pressure deflectors poles outside the walls (bar), high pressure deflectors to the top of the wall (column) security clearance should not be less than 2. 2m.
4) installation of drop-out fuse crossarm height from the ground shall not be less than 4.5m.
5) Floor wall (column) should be low-voltage power distribution room as a single entity. Transformer inspections should be located in the distribution room doors. The walls should be free of debris and weeds.

(4) The transformer room
Distribution transformer room should be planning the ultimate load design, construction according to the current actual load in the early optional transformer distribution transformer low-voltage side of the distribution box, should be adopted to meet the national standard GB7251-1987 "Low-voltage switchgear products, conditional can also be made, but should meet the following requirements:
1) distribution box housing should be thick as 1.5-2. 0mm's made of iron, and treated with preservatives. Its protection level should be consistent with the relevant provisions.
2) distribution box protection against electric shock category for Class I or Class II.
3) The distribution box should be installed to the total knife, fuses, current transformers in rural areas should also install the GFCI and power metering device. Energy metering devices should be installed separately and sealed in a closed box. 100kVA and distribution transformers should also install a voltage meter and three-phase ammeter between the electrical components and their distance to the shell shoul企业账号：1611 0032 092 00213 086d be able to meet the security clearance and climb electric distance and operating the required distance.
4) The distribution box inlet and outlet should be insulated jacket, insulated wire when wearing a tank shell plus jacket.
5) The distribution box should have ventilation, cooling, and measures to prevent the entry of small animals, the enclosure should be reliably grounded.
6) Distribution bottom height from the ground. 0m.

(5) distribution room

6 high-rise buildings, power supply
In order to ensure the supply of high-rise buildings can be deployed, there should be two power supply and set up a diesel generator sets as accidents power.

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