随着逆变器并联系统规模的增大，电源系统对故障诊断提出了新的要求。
With the increasing scale of the parallel connected inverters system, new requests of fault diagnosis are put forward by power supply systems.
因此，本文对基于Z源逆变器的高压开关电源进行了全面系统研究。
Therefore, this paper makes a comprehensive and systematic research of high voltage switching power supply based on Z-source inverter.
而逆变器是整个不间断电源系统的核心，必须具有输出高质量电压波形的能力。
Inverter is the core of UPS and is required to have high quality output waveform.
而逆变器是整个不间断电源系统的核心，必须具有输出高质量电压波形的能力。
Inverter is the core of UPS and is required to have high quality output waveform.
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