脈沖負(fù)載下電力系統(tǒng)暫穩(wěn)態(tài)功率特性
[Abstract]:Because of its periodic pulsation, the power of the common bus in the power grid system has a continuous and high peak pulse, which seriously threatens the safe and stable operation of the power system. Aiming at the commonly used pulse load structure, a public network and diesel generator set (60 kW) power supply test platform with pulse load as the main load is established. Based on the working mechanism of pulse load, the network / off-net experiments of pulse load with different pulse frequency and duty cycle are carried out, and the transient and steady-state power characteristics at the common bus are compared and discussed. In order to solve the problem that the traditional average power can not accurately represent the steady state power of the system, a calculation method of instantaneous power average (pulsed frequency based instantaneous power average value,PFIPA based on pulse frequency is proposed. The experimental results show that, This method is reasonable and correct, and can be used in both interconnection and off-grid power systems. The test platform and analysis conclusion are of great significance and reference value for the application, design, system capacity and power distribution of pulse load in power system.
【作者單位】: 軍械工程學(xué)院;
【基金】:國家自然科學(xué)基金項(xiàng)目(51307184)~~
【分類號】:TM712
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