| 集中热水系统参与电网负荷调节的控制方法研究 |
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| 引用本文：李丹.集中热水系统参与电网负荷调节的控制方法研究[J].电网与清洁能源,2020,36(8):50~54 |
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| 基金项目:国家自然科学基金委员会-国家电网公司智能电网联合基金项目（U1866601） |
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| 中文摘要:针对电网负荷调节控制的传统方法未解决热水输出频率波段振动趋势保持稳定，从而导致电网负荷环境出现波动的问题，提出集中热水系统参与的电网负荷调节控制方法。连接真空管集热器、热循环参与电路及水体热敏器，建立集中热水系统的参与性控制模式。优化负荷控制器的参数水平，通过设置电网温度开关数据定值的方式，计算调节控制系数，实现集中热水系统参与电网负荷调节控制方法的应用。实验检测结果表明，与常规性调节手段相比，应用负荷调节控制方法后，热水电网系统输出波的频率最大值仅能达到40 Hz，最小值却可以低至20 Hz，整个波段的振动趋势得到有效控制，实现建立稳定电网负荷环境的初衷。 |
| 中文关键词:热水系统 电网负荷 调节控制 热循环电路 水体热敏器 |
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| Research on the Control Method of Centralized Hot Water System Participating in Power Grid Load Regulation |
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| Abstract:In order to solve the problem that the vibration trend of hot water output frequency band remains stable in the traditional power grid load regulation and control method， which leads to the fluctuation of power grid load environment， a power grid load regulation and control method involving centralized hot water system is proposed in this paper. The vacuum tube collector， the heat cycle participating circuit and the water thermal sensor are connected to establish the participatory control mode of the centralized hot water system. The parameter level of the load controller is optimized， the adjustment control coefficient is calculated by setting the grid temperature switch data， and the application of the centralized hot water system in the grid load regulation control method is realized. The experimental results show that， compared with conventional regulation and control methods， the maximum frequency of output wave of the hot water grid system can only reach 40 Hz and the minimum can be as low as 20 Hz after the proposed load regulation and control method is applied. The vibration trend of the whole band can be effectively controlled， realizing the original intention of establishing stable load environment of the grid. |
| keywords:hot water system grid load regulating control heat circulation circuit water thermal sensor |
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