The effective method to improve the systemeconomy is proposed under the preconditions to meet the power demand.
分析了在满足动力性要求的前提下，提高系统经济性的有效途径。
2
Making good use of electric power cost between on-peak and off-peak, heating systemeconomy of running is enhanced.
充分利用峰谷电时段的电价结构，提高了供热系统的运行经济性。
3
With the enlargement of power system scale, power systemeconomy has gained remarkable improvement. At the same time, the ability of resisting disturbance is weakened.