术语 | secondary loop |
释义 | secondary loop 次级回路 When two control loops are cascaded together, one loop is the master loop or primary loop and one loop is the slave loop or secondary loop. The setpoint of the secondary loop is set by the output of the primary loop. The output of the secondary loop is sent to the control element. The definition above applies to a twoloop cascade. If more than two loops are cascaded together, the intermediate loops will have both primary and secondary functions, except that the output of intermediate loops will not go to a control element. 当两个控制回路级联在一起时,其中的一个回路是主回路或初级回路,另一个是从回路 或次级回路。次级回路的调整点由初级回路的输出设置,次级回路的输出送到控制元件。上述定义适用于双回路级联,如果两个以上的回路级联在一起,中间回路将同时具有 初级和次级功能,只是该中间回路的输出不送到控制元件。 |
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