为了保证机组正常进相运行，其励磁控制系统中的低励限制单元不仅要按要求投运，而且要正确整定。

In order to assure operating properly in phase lead, the low exciting limit unit in the exciter control system should not only be put into operation as equirement but also be adjusted correctly.

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液压气门辅助控制单元（12）可借助于一相对于内燃机（1） 的主油回路（2）附加设置的辅助油回路（3）接通和切断。

The hydraulic valve auxiliary control unit (12) can be connected and cut off by means of an additional auxiliary oil circle (3) related to a main oil circle (2) of the internal combustion engine (1).

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