The high voltage variable frequency transformation of power plant's pump system of condensation water pump, condensation water booster pump is described briefly.
对发电厂的凝泵、凝升泵的高压变频改造进行了简要叙述，并对经济性试验的数据进行了定量分析。
2
Booster compressor noise has the characteristics of wide frequency band, intense low frequency sound and considerably high total sound pressure level.