Fan is a necessary tool for wind power generation, in the fan installation process, insulation protection is the first thing to consider, referring to insulation protection of course there is no need for the use of heat shrinkable pipe, the following let's learn where the fan installation process is to use hot shrinkage pipe.

First, the pre-hoisting conductive rail supervision and inspection

1.1 The surface of the conductive rail is coated with a layer of plastic paper (dustproof, moisture-proof). Check that all plastic paper are cleared before the tower is installed.

1.2 The two men cooperate to remove the package at both ends of each section of the conductive rail, using a mega-European table or an insulating meter to test the interphase and opposite ground of the conductive rail. Stator, rotor conductive rails using 1000V shaker insulation value should be greater than or equal to 250MΩ.

1.3 Two people to cooperate, remove each section of the conductive rail at both ends of the package, the use of multimeter on the conductive rail phase and the ground through the test. At the end of this item, the package at both ends of the conductive rail is restored to prevent the foreign body from falling inside when the tower is installed. The rotor conductive rail uses the ohm or diode file of the multimeter.

1.4 Check the conductive rail, the rotor up and down junction box corresponding to the correct model.

1.5 before installation, each section of the Tower Tube conductive rail section wrapped tightly.

Second, the tower tube lighting and power supply inspection

2.1 Cable insulating layer no breakage, wear place need to add heat shrinkable pipe protection.

2.2 Lighting phase wire to the ground insulation to meet the requirements.

2.3 Socket phase wire to ground insulation to meet the requirements.

2.4 All plugs and sockets are not damaged.

Third, open the box inspection

3.1 According to the packing list, the quantity of equipment in the verification box is counted correctly.

3.2 Fixed, rotor cable surface without breakage phenomenon.

3.3 Other accessories equipment is not damaged.

Iv. grounding inspection after hoisting

Note: After the lifting work is completed, the first time to complete the main facilities grounding, to prevent lightning strikes, resulting in damage to equipment.

Inspection Standard: Each grounding fixed stud complement in particular must be cleaned thoroughly, grounding flat iron, platform bracket grounding complement must be thoroughly painted on both sides. Grounding bolts must be galvanized materials, gaskets supporting and in the correct direction, reliable crimping.

The 4.1 Tower bottom grounding system comprises the base ring and the bottom section Tower tube grounding.

4.2 Equal potential plate welded on the tower base flange, connecting the ground line must be the surface of the equivalent potential plate rust removal, grinding smooth treatment, to ensure that the wiring contact is good.

4.3 inverter grounding, platform grounding, stator rotor junction box grounding and box change grounding cable are pooled to the equipotential plate of the tower base.

4.4 Install the tower tube Flexible connector, the connection part rust removal, grinding smooth, must clear the connection part of the dirt, to ensure that the connection part is clean, smooth, good contact.

4.5 Tower Base platform grounding surface using angle grinder to polish the surface paint, so that the metal part is completely exposed, install the grounding cable and tighten the bolts.

4.6 Spindle Locking disk grounding carbon brush, yaw bearing grounding carbon brush installation reliable. The carbon brush grounding surface is free of dirt or rust.

V. Conductive rail installation in the transition section

5.1 Check the connector surface cleaning and smoothness, to ensure that there is no dirt, no dust.

5.2 Check that the connector insulating plate is damaged or broken.

5.3 Measure whether the reserved distance between the conductive rails between the towers is consistent with the conductive rail dimensions of the transition section.

5.4 The aluminum row surface at both ends of the transition section of the conductive rail is smooth.

5.5 The side bolts of the rear cover plate of the conductive rail have been installed.

5.6 Check whether the conductive rail connector bolt torque meets the requirements. Standard torque 90Nm.

5.7 Check that the metal surface of the fixed conductive rail connector is fully in contact.

The side bolts of the 5.8 conductive rail front cover plate have been installed.

5.9 After the installation of the conductive rail, the balance resistance values are measured by the electric bridge, and the difference of each interphase value should be less than 5% (without the theoretical resistance of the joint, KLM06451 is: 27.3*10-6Ω/m;klm14451:25.6*10-6Ω/m)

Six, stator, rotor cable wiring

6.1 Fixed, rotor cable drape part of natural, smooth, no distortion, mutual entanglement phenomenon.

6.2 Fixed, rotor cable drape to U-hole platform distance 2.6-3m.

6.3 Cable Grouping on the semicircular Saddle Bridge fixed solid, beautiful, no crossover phenomenon.

6.4 Steel straps strapped securely, cable between the use of rubber skin protection, tightly wrapped.

Vii. Cabin Power, control cable

7.1 Cable Drape part natural, smooth, no distortion, mutual entanglement phenomenon.

7.2 Cable drape to U-hole platform distance 2.6-3m.

7.3 Cable Grouping on the semicircular Saddle Bridge fixed solid, beautiful, no crossover phenomenon.

7.4 Cable fixed on the semicircular saddle Bridge solid, beautiful, no crossover phenomenon.

The 7.5 cable wiring along the tower cable groove to the tower base position, the route is correct, without bypassing other holes, especially in the tower platform position.

7.6 Cable wiring to the tower base, the excess part of each individually coiled strapped neatly placed in the tower. No disorder, entanglement, arbitrary stacking phenomenon.

Viii. Cable Strapping and protection

8.1 Tower tube Top Platform cable hole position, hole around the rubber skin has been installed.

Rubber skins around the 8.2 cable ring bracket are installed.

8.3 two U-shaped holes around the rubber skin has been installed, rubber skin wrapped cable tight, strap strapping solid.

8.4 Cable in the semicircle, circular saddle bridge position grouping using steel tie strap for strapping, cable using open silicone tube protection, tightly wrapped.

8.5 cables wired through the cable groove of the tower are bundled with straps every 1 meters.

8.6 To the generator side stator, rotor line work. And do a good job of phase line identification.

8.7 Reserve sufficient position according to the wiring position to remove the excess cable and lock the locking sleeve.

Ix. Cable head Making inspection

9.1 Confirm the use of fixed, rotor cable specifications corresponding to the cable connector, to prevent the joint connection error phenomenon.

9.2 Use the shearing clamp to cut the cable open surface into a plane, can not be oblique tangent.

9.3 The cable head according to the length of the copper nose into the line tube, peel off the insulating skin, cable copper wire can not be dispersed, the peeled cable all inserted into the line tube, can not have copper wire exposed.

9.4 Use with the cable connector specifications corresponding to the pressure film, with hydraulic press clamp crimping, copper nose uniform pressure 3, crimping traces to be evenly distributed. Pull the cable head with your hand to check that the crimping is reliable.

9.5 After the crimping in the indentation will appear copper burr, burr with a file grinding off, the requirements of the feel smooth.

9.6 will be prepared with a neat incision, the length of the same heat shrinkable tube sleeve at the cable connector, the heat shrinkable tube than the copper nose inlet tube Grow 5 cm, the use of hot air gun evenly heated heat shrinkable tube, so that its shrinkage uniform, tightly combined, no burn loss traces.

Ten, tower base inverter fixed, rotor cable wiring

10.1 will be pre-made on the ground cable connector side of the cable into the conductive rail junction box, the junction box reserved length is moderate, no tension, transition bending phenomenon.

10.2 Conductive rail junction box inlet end locking sleeve is completely locked.

10.3 Tighten the cable in the tower base cable clamp in accordance with the cable sequence according to the phase order. Requires the cable to be neat and beautiful, no crossover phenomenon.

10.4 Leave a certain curvature cable before entering the platform cable bracket under the platform.

10.5 on the tower platform bracket, according to the phase sequence grouping for strapping. Requires the cable to be neat and beautiful, no crossover phenomenon.

10.6 After strapping the cable, confirm that the strapping is secure. Verify that the strap does not damage the cable insulating layer. Especially when using steel straps, be sure to use rubber leather wrapped cable after strapping!

10.7 Sure, rotor cable phase sequence is correct, no phase sequence mixing problem.

10.8 will be the cable from the inverter fixed, rotor inlet line, according to the actual wiring position, the excess cable cut off, cable shear open surface shear to the plane, can not be inclined.

10.9 Install the "item nineth" production method to make the inverter at the stator, rotor cable connector.

10.10 Confirm that the cable that makes the cable head is fixed on the inverter bracket using a clip.

Xi. Conductive rail junction box cable connector tightening force

11.1 to the upper and lower side of the tower conductive rail junction box internal, rotor cable joint installation requirements for fastening, after the installation of the junction box cover, and tighten the bolts. Stator torque: 100Nm, Rotor torque: 80Nm.

12. Cleaning work in the unit

12.1 Carry out the cleaning work in the unit, especially the location of cable wiring and wiring. Use a vacuum cleaner to adsorb the surrounding cable wire. Prevent the wire from falling in the conductive rail or control cabinet in the body caused short circuit, damage to the equipment.

热缩管在风机安装中的应用

风机是风力发电的必备工具，在风机的安装过程中，绝缘防护是首先要考虑的事项，提到绝缘防护当然缺少不了热缩管的使用，下面我们来学习一下风机的安装过程中都有哪些地方要用到热缩管。

一、吊装前导电轨督导检查

1.1  导电轨的表面包裹一层塑料纸（防尘、防潮）。塔筒安装前，检查所有的塑料纸是否清除。

1.2  两人配合，拆除每节塔筒导电轨两端的包裹，使用兆欧表或绝缘表对导电轨的相间及对地进行绝缘测试。定子、转子导电轨使用1000V摇表绝缘值应大于等于250MΩ。

1.3  两人配合，拆除每节塔筒导电轨两端的包裹，使用万用表对导电轨的相间及对地进行通断测试。此项内容结束后，将导电轨两端的包裹恢复，防止塔筒安装时异物落到里面。转子导电轨使用万用表的欧姆档或二极管档。

1.4  检查导电轨定、转子上下接线盒对应型号无误。

1.5  安装前，每节塔筒导电轨断面包裹严实。

二、塔筒照明及供电检查

2.1  电缆绝缘层无破损,磨损地方需要加上热缩管保护。

2.2  照明相线对地绝缘满足要求。

2.3  插座相线对地绝缘满足要求。

2.4  所有插头、插座无损坏。

三、开箱检查

3.1  根据装箱清单，核查箱内设备数量清点无误。

3.2  定、转子电缆表面无破损现象。

3.3  其他辅料设备无损坏。

四、吊装后接地检查

注：吊装工作完成后，第一时间就要完成主要设施的接地，防止雷击，造成设备损坏。

检查标准：各接地固定螺柱补位尤其必须清理彻底，接地扁铁、平台支架接地补位必须双面彻底去漆。接地螺栓必须为镀锌材料，垫片配套并且方向正确，压接可靠。

4.1  塔底接地系统包括基础环与底段塔筒接地。

4.2  等电位板焊接在塔基法兰盘上，连接地线前必须对等电位板表面进行除锈、打磨光滑处理，确保接线接触良好。

4.3  变频器接地、平台接地、定子转子接线盒接地及箱变接地电缆均总汇到塔基的等电位板上。

4.4  安装塔筒柔性连接器，连接部位除锈，打磨光滑，必须清除连接部位的污物，保证连接部位清洁、平整，接触良好。

4.5  塔基平台接地表面使用角磨机打磨表面油漆，使金属部分全部裸露，安装接地电缆并把紧螺栓。

4.6  主轴锁紧盘接地碳刷、偏航轴承接地碳刷安装可靠。碳刷接地表面无污物或锈蚀。

五、过渡段导电轨安装

5.1  检查连接器表面清洁情况及是否光滑，确保无污物、无灰尘。

5.2  检查连接器绝缘板是否损坏或断裂。

5.3  测量塔筒间导电轨预留距离是否与过渡段导电轨尺寸相符合。

5.4  导电轨过渡段两端的铝排表面是否光滑。

5.5  导电轨后盖板侧面螺栓已安装。

5.6  检查导电轨连接器螺栓力矩是否满足要求。标准力矩90Nm。

5.7  检查固定后的导电轨连接器金属面是否完全接触。

5.8  导电轨前盖板侧面螺栓已安装。

5.9  导电轨安装完毕后用电桥测量各相平衡阻值，各相间阻值差应小于5%（不含接头理论阻值，KLM06451为：27.3*10-6Ω/m；KLM14451为：25.6*10-6Ω/m）

六、定、转子电缆布线

6.1  定、转子电缆悬垂部分自然、顺畅，无扭曲、相互缠绕现象。

6.2  定、转子电缆悬垂至U型孔平台距离2.6-3m。

6.3  电缆分组在半圆形马鞍桥上固定牢靠、美观、无交叉现象。

6.4   钢扎带捆扎牢靠，电缆间使用橡胶皮保护，包裹严实。

七、机舱动力、控制电缆

7.1  电缆悬垂部分自然、顺畅，无扭曲、相互缠绕现象。

7.2  电缆悬垂至U型孔平台距离2.6-3m。

7.3  电缆分组在半圆形马鞍桥上固定牢靠、美观、无交叉现象。

7.4  电缆在半圆形马鞍桥上固定牢靠、美观、无交叉现象。

7.5  电缆沿塔筒电缆槽布线至塔基位置，路线正确，无绕行其他孔洞，特别是在塔筒平台位置。

7.6  电缆布线至塔基后，多余部分每根单独盘绕捆扎整齐的放置在塔基。无错乱、相互缠绕、任意堆放现象。

八、电缆捆扎与防护

8.1  塔筒顶部平台电缆孔位置，孔周围橡胶皮已安装。

8.2  电缆环形支架周围橡胶皮已安装。

8.3  两个U型孔周围橡胶皮已安装，橡胶皮包裹电缆严实，扎带捆扎牢靠。

8.4  电缆在半圆形、圆形马鞍桥位置分组使用钢扎带进行捆扎，电缆使用开口硅胶管保护，包裹严实。

8.5  沿塔筒电缆槽布线的电缆，每隔1米使用扎带进行捆扎。

8.6  对发电机侧定、转子进行校线工作。并做好相线标识。

8.7  根据接线位置预留足够位置，去除多余电缆，锁住锁紧套。

九、电缆头制作检查

9.1  确认使用定、转子电缆规格相对应的电缆接头，防止接头接错现象。

9.2  使用剪线钳将电缆剪开面剪为平面，不能是斜切面。

9.3  将电缆头按照铜鼻子进线管的长度，剥去绝缘皮，电缆铜丝不能散开，将剥出的电缆全部插入进线管内，不能有铜丝外露。

9.4  使用与电缆接头规格相应的压膜，用液压压线钳压接，铜鼻子均匀压3道，压接痕迹要均匀分布。用手拽动电缆头，检查压接是否可靠。

9.5  压接完后在压痕处会出现铜毛刺，毛刺用锉刀磨掉，要求手感平滑。

9.6  将准备好的切口整齐，长度一致的热缩管套在电缆接头处，热缩管比铜鼻子进线管长出5厘米，使用热风枪均匀加热热缩管，使其收缩均匀，结合紧密，无烧损痕迹。

十、塔基变频器定、转子电缆布线

10.1  将在地面预先制作好电缆接头的一侧电缆穿入导电轨接线盒，接线盒内预留长度适中，无绷紧、过渡弯曲现象。

10.2  导电轨接线盒进线端锁紧套完全锁紧。

10.3  按照电缆按照相序依次排列在塔基电缆夹处夹紧电缆。要求电缆整齐美观，无交叉现象。

10.4  在平台下方进入平台电缆支架前，留有一定弯度的电缆。

10.5  在塔筒平台支架上，按照相序分组进行捆扎。要求电缆整齐美观，无交叉现象。

10.6  捆扎后的电缆，确认捆扎牢靠。确认扎带未损坏电缆绝缘层。特别是使用钢扎带时，一定要使用橡胶皮包裹电缆后捆扎！

10.7  确认定、转子电缆相序无误，无相序混接问题。

10.8  将电缆从变频器定、转子进线口处引出，根据实际接线位置，将多余电缆剪掉，电缆剪开面剪为平面，不能是斜面。

10.9  安装“第九项”的制作方法制作变频器处的定、转子电缆接头。

10.10 确认制作好电缆头的电缆使用卡子固定在变频器支架上。

十一、导电轨接线盒电缆接头紧力

11.1  对塔筒上下端导电轨接线盒内定、转子电缆接头安装要求进行紧固，绕后安装接线盒盖板，并把紧螺栓。定子力矩：100Nm，转子力矩：80Nm。

十二、机组内清洁工作

12.1  进行机组内的清洁工作，特别是进行过电缆布线、接线的位置。使用吸尘器吸附周围的电缆金属丝。防止金属丝掉落在导电轨或控制柜体内造成短路，损坏设备。