MODULAR POWER TRANSFER UNITS

Glass solar Power Station Cooperation Project

The project, applied for and led by Associate Researcher Zhang Chuncheng of IEECAS as the Chief Scientist, has brought together top scientific research institutions from countries such as the United States' NREL, Germany's DLR, Spain's CIEMAT, and France's CSP Energies, as well as leading domestic enterprises such as Northwest Electric Power Design Institute Co., LTD, of China Power Engineering Consulting Group and Zhejiang KeSheng Technology Co., Ltd., demonstrating a high level of international cooperation. [pdf]

Skopje HJ Communication Micro Base Station Power Generation

A highly integrated and intelligent hybrid power system that combines multi-input power modules (photovoltaic, wind energy, rectifier modules), monitoring units, power distribution units, lithium batteries, intelligent switches, FSU, and ODF wiring, effectively meeting various functional requirements such as power supply, backup power, and optical network access for base station communication equipment. [pdf]

Common topologies of energy storage power supplies

Most popular topologies in this regard include the Dual Active Bridge with Extended Phase Shift (for example in TIDA-010054) which deals with a primary voltage of 700V to 800V DC, and secondary voltage of 350V to 500V DC (single-phase-shift SPS) or 250V to 500V (extended-phase-shift EPS) for power levels up to 10 kW, Phase-shifted Full-Bridge (for example in PMP22951) which deals with a voltage of 400V down to 54V and a power level of 3kW or CLLLC Dual-Active Bridge (for example in TIDM-02002) which deals with a primary voltage range of 380–600V to a secondary voltage range of 280–450V and power levels up to 6.6kW. [pdf]

Base station wind power source load calculation

Wind Load Calculation Wind load is calculated using the following equation: Fw = 1 2 C V ⋅ ⋅ dp ⋅ ⋅ ⋅A ( ) ρ λ 2 Where: • Fw = Force due to wind (lbf, N) 3 3 • ρ = Air Density (.075lb/ft , 1.22 kg/m ) • Cdp = Profile Drag Coefficient (from text or experimental data) • λ = Length/Width Aspect Ratio Correction Factor • V = Wind Velocity (ft/s, m/s) • 2 2 A = Cross Sectional Area Normal to wind direction (length*width) (ft ,m ) 3 Table 1. [pdf]

Wickles SolarTech