无功功率是影响电压稳定和产生电损的一个重要因素，它关系到整个电力系统安全稳定的运行。
Reactive power is an important factor to the voltage stability and power lossing, and it is also related to secure and steady operation of the power systems.
目前的供售电结算方式，使供售电量不同期，线损率大幅波动。
The way of reckoning for power supply now, makes the linerate undulate greatly at different period.
目前的供售电结算方式，使供售电量不同期，线损率大幅波动。
The way of reckoning for power supply now, makes the line loss rate undulate greatly at different period.
因此，在大用户直购电中合理运用网损分摊方法有着重要的实用价值。
Therefore, proper application of transmission loss allocation methods in Direct-Purchase User has important and practical values.
分析了反窃电的管理和技术措施，并对“两改”后的线损管理提出建议。
This paper analyses the anti-electricity stealing management and technical measure and puts forward some Suggestions in the line-loss management after "two renovations".
最后，将所提出的购电模型与算法应用于某地区的日购电优化中，计算结果表明，在考虑网损时的购电费用相对于其他方法可节省约1.9%。
The model and algorithm are applied to the power purchase of a region. Results show that, compared with other methods, the cost with consideration of loss allocation is reduced by about 1.9 %.
模型中考虑了电、热、力的耦合以及材料物性参数随温度的变化，在电热耦合模型中计入接触电阻与闪光烧损对产热过程的影响；
In addition the material physical parameter variation with temperature was considered in the model. The contact resistance and flash melt were considered in the electric-heat coupling model;
模型中考虑了电、热、力的耦合以及材料物性参数随温度的变化，在电热耦合模型中计入接触电阻与闪光烧损对产热过程的影响；
In addition the material physical parameter variation with temperature was considered in the model. The contact resistance and flash melt were considered in the electric-heat coupling model;
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