说明书(中英)
- 格式：doc
- 大小：69.50 KB
- 文档页数：9
水轮发电机
安装说明书
Installation instructions for hydro-generator
编号 Number
编制 Formation
校核 Revising
审查 Checking
立式水轮发电机安装说明书
Installation instructions
for vertical hydro-generator
contents
1. 总则
1.General principles
2.发电机主要技术数据
2. Main technical data for the generator
3. 发电机结构简介
3. Brief introduction of the generator structure
4.验收、储存与开箱
4. Acceptance inspection, storage and unpacking
5. 安装前准备工作
5. Preassembly preparation
6. 发电机主要部件安装顺序
6. Assembly sequence for the generator main components
7．发电机各部件安装
7. Assembly of each generator components
8. 发电机的干燥
8. Generator drying
9. 发电机的试运行
9. pilot run for the generator
10. 发电机的现场试验
10. field test for the generator 1 总则
1 general principles
本说明书适用于立式水轮发电机。
This instruction is applied to type vertical hydro-generator.
凡本说明书未规定事项均应符合GB755-2000《旋转电机定额与性能》、GB/T7894-2001《水轮发电机基本技术条件》、GB/T8564-2003《水轮发电机组安装技术规范》等有关规定。
All the rules in this instruction shall obey the regulations in
GB755-2000 Rotating electrical machines--Rating and performance ,
GB/T7894-2001 Fundamental technical requirements for hydraulic
turbine generators, and GB/T8564-2003 Specification installation of
hydraulic turbine generator units .
发电机能否长期安全有效地运行，除设计和制造外，在很大程度上决定于安装质量和维护。因此安装人员应熟悉发电机图纸和有关技术文件。
Apart from the design and manufacture, the sustainable and
effective operation of the generator depends largely on its installation
quality and maintenance. Therefore, the installation personnel shall grasp
a solid understanding of the drawings and other associated technical
documents.
2 发电机主要技术数据
2 main technical data of the generator
结构型式：立轴悬式水轮发电机
Structure：vertical suspended hydro-generator
型号：
type：
通风型式：密闭自循环空气冷却
ventilating：closed-air circulation cooling
额定转速：nN =300r/min
rated revolution：nN =300r/min
额定容量：Ps=17500 kVA Rated capacity：Ps=17500 Kva
额定功率：PN =14000 kW
Rated power：PN =14000 kW
额定电压：UN =11000 V
Rated voltage：UN =11000 V
额定频率：fN =50 Hz
Rated frequency：fN =50 Hz
功率因数：cosΦ=0.8（滞后）
Power factor：cosΦ=0.8（lagging）
额定电流：IN=918.5 A
Rated current：IN=918.5 A
3 发电机结构简介
3. Brief introduction for the generator structure
本机组为立轴悬式水轮发电机。与水轮机轴采用刚性连接。推力轴承在上机架本体内，具有上、下导轴承。通风形式为密闭双路径向通风。
This unit is a vertical suspended hydro-generator, connecting to the
turbine main shaft with a rigid coupling. The thrust bearing is installed in
the upper bracket with an upper guide bearing and a lower guide bearing.
And the ventilating system applies a radial direction closed-double loop
mode.
3.1 定子
3.1 stator
发电机定子机座为整圆，外径φ5000mm。定子铁心外径φ4250mm，内径φ3710mm，铁心长780mm，冲片采用低损耗优质硅钢片50W310，槽数为240，线圈采用F级绝缘的圈式叠绕组形式。定子在厂内叠片、下线及试验。主引出线和中性点引出线各三根。主引出线方向为+Y偏 -X 15°，中性引出线方向为+X偏 -Y 15°，相序为俯视逆时针方向U、Ｖ、Ｗ排列。
The stator frame of the generator is an entire circle with an outer diameter ofφ5000mm.While the outer and inner diameters of the stator
core areφ4250mm andφ3710mm respectively, and the core length is
780mm. As for the stator sheet, it applies a low-loss and high-quality
silicon-steel plate 50W310. The slot number is 240，and the coil is with
class F insulation’s lap winding. The whole process of lamination,
winding, and test of the stator will be finished in the workshop. For main
terminal and neutral point terminal, each of them has three leads.主引出线方向为+Y偏 -X 15°，中性引出线方向为+X偏 -Y 15°，and
the phase sequence is overlook-counterclockwise arranged as U, V, w.
3.2 转子
3.2 rotor
发电机转子由主轴、转子支架、磁轭、磁极等零部件组成。转子外径φ3680mm，转子支架与主轴在厂内热套，磁轭由3mm厚的Q345钢板叠成，磁轭轴向长1000mm，并在厂内完成叠装工作。磁轭下部装有5块制动环。磁极铁心采用1.5mm厚的Q345钢板叠成，用双＂Ｔ＂尾与磁轭连接，磁极线圈采用4×40矩形铜母线焊接而成，采用Ｆ级绝缘。磁极上装有纵横阻尼绕组，磁极挂装、磁极线圈连接以及阻尼环连接均在工地进行。
The generator consists of generator shaft, stator frame, rim, pole and
some other components. The shrinkage fitting process of the rotor spider
and its main shaft shall be finished in the workshop and the outer
diameter of the rotor isφ3680mm. The building-up of the rim shall also
be accomplished in the workshop. It is made of 3mm Q345 steel plates
with a vertical shaft length of 1000mm. In the lower part of the rim, there
are five brake rings. The pole core is built up of 1.5mm Q345 steel plates
connecting with the rim by the double “T” ends. The rotor coil is welded
of 4×40 rectangular copper busbar with insulation rated class F. And the
pole is equipped with vertical and horizontal damper winding. The
assembly of poles, the connection of coils and damper rings shall
accomplished at the site.
3.3 轴承
