DEC Dongfeng Electric Machinery Co., Ltd.
DEC Dongfeng Electric Machinery Co., Ltd.
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3000KW Bulb Tubular Type Rated Power Bulb Hydro Turbine Generator
Introduction of Bulb Hydro Turbine Generator
Bulb-type hydro-generator refers to a hydro-generator in which the generator and bearings are arranged in a sealed shell shaped like a light bulb. The bulb-type water turbine generator is connected to the water turbine with a straight shaft and arranged in the flow channel. It is characterized by a compact and complex structure, and has special requirements such as moisture-proof and leak-proof. Since the bulb-type hydro-generator is installed in the underwater flow channel, the winding is prone to damp when it is stopped, so its rated voltage is lower than that of the general hydro-generator. The space between the poles of the rotor excitation winding is relatively small, and the number of excitation ampere turns is limited, so a higher power factor is selected.
Technical parameters
About us
The company has provided 59 sets of tubular type unit for 39 hydro power stations, the maximum unit capacity is 40 MW, the water head range is 1.5-23m, the runner diameter is 120cm-670cm, the rotating speed is 71.4rpm-750rpm, and the generator frame is 1.18m-7.45m.
Our typical HPP project references
| Turbine Type | Type | Model | Typical Performance |
| Francis | Tianhuaban HPP,Yunnan | HLD294-LJ-340 | Max. single installed capacity 99MW |
| SF99-28/6800 | |||
| GD3 HPP,Ethiopia | HLD892-LJ-245 | Max. running head Hmax=273m | |
| SF85-14/5000 | |||
| Shidi HPP , Chongqing | HLA551C-LJ-475 | Diameter of runner=4750mm Max. Foundation=9900mm | |
| SF60-56/9900 | |||
| Pangduo HPP, Tibet | HLD420D-LJ-318 | Highest altitude 4100m Head variation Hmax/Hmin=1.96 | |
| SF40-32/6800 | |||
| Axial-flow | Hongfa HPP, Guangdong | ZZD505A-LH-450 | Max.single installed capacity 50MW |
| SF50-32/6800 | |||
| Srepok4 HPPVietnam | ZZD471-LH-580 | Max. Diameter of runner D1=5800mm | |
| SF40-52/9000 | |||
| Bulb | Dafutan HPP,Hunan | GZB1000-WP-670 | Max.single installed capacity 40MW Max.Diameter of runner |
| SFWG40-70/7450 | |||
| Pelton | Nabang HPP, Yunan | CJ1085-L-170/6×14.8 |
