Domestic inverter harmonic reaches the international advanced level

Recently, the key domestic equipment research group of oil and gas pipelines of CNPC Pipeline Company carries out the harmonic testing for domestic inverter in Mohe-Daqing line transmission projects. The results show that various parameters of domestic inverter accord with national standard requirements. Compared with Siemens inverter, the domestic inverter harmonic reaches the international advanced level. Following the 2500 kilowatts fuel pump unit, another key domestic equipment of oil and gas pipelines passes the acceptance successfully.

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