研究它的高效节能运行模式，也就是时间—能量综合最优控制意义重大。
It is important to study the most effective energy saving (i. e. combined time energy optimal) operation control mode.
同时，LG变频器的自动节能模式，可使电机在满足负载转矩要求下以最小电流运行，达到更好的节电效果。
At the same time, the automatic energy-saving mode frequency converter LG, can make the motor in the meet load torque requirements to minimum current operation, to reach better energy saving effect.
结果表明，与土壤源热泵相比，联合供暖运行模式具有明显的节能效果，有、无蓄热水箱时的节能率分别为14。
The result shows that comparing with ground source heat pump, the energy saving rate with and without heat storage water tank is 14.
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