In this paper, a mathematical model of static frequency converter starting with current and frequency closed-loop control for pumped storage units is established.
本文建立了抽水蓄能机组静止变频器在电流、频率闭环控制下的数学模型。
By adjustment to control signal, systems might realize variable voltage, variable frequency, steady voltage, steady frequency closed loop control.
通过对控制信号的调整，系统可实现变压、变频、稳压、稳频的闭环控制。
By adjustment to control signal, systems might realize variable voltage, variable frequency, steady voltage, steady frequency closed loop control.
通过对控制信号的调整，系统可实现变压、变频、稳压、稳频的闭环控制。
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