Shanghai Electrical Apparatus Imp. & Exp. Co., Ltd.

The main circuit adopting back-to-back NPC three level structure, small voltage harmonics and small voltage changing ratio, high quality of output waveform.

Three level space vector modulation and key point electric potential balance control technique.

Multiple DSP and FPGA integrated control system , strong function, flexible setting up.

Two system operation to realize redundancy technique, sustaining power generating in failure situation, lowering maintenance cost.

Product name                           Doubly-Fed Wind power Converter,rated power 2000KW,5years warranty;

productor features:                

                                                1.Lower current harmonics,high quality sine wave output waveform.

                                                2.Universal protection circuit:over-current,over-voltage,over-temperature,overload protection.

                                                3.Long time overlaod:110%rated power,2min overload:120% rated power.

                                                4.LVRT,ZVRT,HVRT.

                                                5.High Transform efficiency:>97%.

                                                6.Strong adaptability and stability.

                                                7.Intelligent remote maintenance system.

                                                8. Multiple modes of communication:RS232\485,TCP\IP,PROFIBUS DP,CAN