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Hydropower Research and Development Team

Established in 2004, the R&D center of Zhefu Group includes: the Fu'an Institute of Hydraulic Machinery, the CAEC Computing Center, the Department of Turbine Design, the Department of Generator Design, the Department of Engineering Technology, the Department of Manufacturing Technology, and the Department of Insulation Development. Over more than 10 years of development, it features a host of outstanding employees and has become industry-leading. Currently, the center has 293 R&D employees, including one senior expert who receives allowance from the State Council, five distinguished experts, 15 doctoral degree holders, and more than 30 master's degree holders.

Research and Development Strengths

Based on the model of the former factory of Fuchunjiang Hydropower Equipment Co., Ltd., hydraulic turbine design combines technical strengths of large hydraulic turbine manufacturers at home and abroad with its own technical traits. Moreover, ongoing development of key technologies has led to the shaping of its own technical characteristics. At present, with world-leading hydraulic turbine design, it can provide customers with Kaplan, Francis, Bulb, Pelton and other hydro generator sets, as well as pumped storage units and tidal generator sets. It particularly shows great strengths in large bulb and propellor turbine design. Moreover, it has made tremendous progress in the development of Francis turbines with an ultra-high hydraulic head.

Manufacturing Capacity

Clean energy equipment manufacturing hydropower: Research and development, design, manufacturing, and services for medium and large-sized sets of hydro generator sets

Research and Development Strengths

CAEC Computing and Analysis Center

CAEC is equipped with a 96-core IBM blade server with outstanding parallel computing capabilities, and a graphics workstation computing network, and proposes optimized product solutions for customers with high-definition analysis methods.

Avanced design methods

Outstanding structured grid module design, saving time on a grid configuration
CFD analysis and simulation have been put into practice, and more than 200 power stations have been designed

FIGURE 1 SIMULATION OF THE MIXED FLOW TURBINE USING CFD

FIGURE 2 SIMULATION OF THE AXIAL FLOW TURBINE USING CFD

FIGURE 3 SIMULATION OF THE TUBULAR FLOW TURBINE USING CFD

FIGURE 4 OVERALL STREAMLINE DISTRIBUTION

FIGURE 5 VORTEX SIMULATION

FIGURE 6 TRANSITION PROCESS CALCULATION

Advanced bar manufacturing equipment

VPI-based high-voltage bar manufacturing. The main insulation materials of the stator bar largely determine the operational reliability and lifespan of the generator. Mica tape, impregnated resins, and other materials are the basic insulation materials of the stator. With the increase of unit capacity and rated voltage, there are higher requirements for main insulating materials such as mica tape and impregnated resins. Vacuum Pressure Impregnation (VPI) is currently the best insulation technology in the world, and it improves moisture resistance and heat dissipation of the motor for stronger operational reliability, and makes it more suitable for harsh environments. In addition, the VPI-treated insulating layer is free of air space and has decent integrity. The development of 18kV high-voltage bars for generators can ensure products secure and reliable.

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