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Improving flexibility characteristics of 200 MW unit

机译：改善200 MW机组的灵活性

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Calculations were performed of the thermal system of a power plant with installed water pressure tanks. The maximum rise in the block electric power resulting from the shut-off of low-pressure regenerative heaters is determined. At that time, the boiler is fed with hot water from water pressure tanks acting as heat accumulators. Accumulation of hot water in water tanks is also proposed in the periods of the power unit small load. In order to lower the plant electric power in the off-peak night hours, water heated in low-pressure regenerative heaters and feed water tank to the nominal temperature is directed to water pressure tanks. The water accumulated during the night is used to feed the boiler during the period of peak demand for electricity. Drops in the power block electric power were determined for different capacities of the tanks and periods when they are charged. A financial and economic profitability analysis (of costs and benefits) is made of the use of tanks for a 200 MW power unit. Operating in the automatic system of frequency and power control, the tanks may also be used to ensure a sudden increase in the electric power of the unit. The results of the performed calculations and analyses indicate that installation of water pressure tanks is well justified. The investment is profitable. Water pressure tanks may not only be used to reduce the power unit power during the off-peak night hours and raise it in the periods of peak demand, but also to increase the power capacity fast at any time. They may also be used to fill the boiler evaporator with hot water during the power unit start-up from the cold state.
机译：对装有水压罐的发电厂的热力系统进行了计算。确定了由于低压再生加热器的关闭而导致的块状电力的最大上升。那时，从作为蓄热器的水压箱向锅炉供应热水。在动力装置小负荷期间，也建议在水箱中积聚热水。为了降低非高峰夜间的工厂电力，将在低压蓄热式加热器和给水水箱中加热到标称温度的水引入水压水箱。在高峰用电期间，夜间累积的水用于为锅炉供水。针对储罐的不同容量和充电时间确定了功率块电力的下降。使用200 MW机组的水箱进行财务和经济盈利能力分析（成本和收益）。在自动的频率和功率控制系统中运行时，储罐还可用于确保设备的电功率突然增加。进行的计算和分析结果表明，合理安装水压罐。该投资是有利可图的。水压罐不仅可用于在非高峰夜间减少功率单位的功率，并在高峰时段提高功率，还可以随时快速增加功率容量。在从低温状态启动动力装置的过程中，也可以使用它们为锅炉蒸发器注满热水。

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