基于恒功率负载的线路调压器调压特性分析

Study on Voltage Profile of Line Voltage Regulator Based on Constant Power Load

为了解决农网低电压问题,对线路调压器的调压特性进行了研究。建立了含线路调压器的数学模型,分析了恒功率负载时调压器的调压特性,研究了影响调压特性的因素,包括调压器容量、调压档位、负荷功率因数、线路长度、导线型号,提出了移动式储能装置与调压器联合使用治理低电压的措施。研究结果表明:调压器容量和档位、线路长度和型号以及负荷的功率因数对调压器的调压特性有影响,而移动式储能装置与调压器联合使用则能有效提高调压器调节。

In order to solve the problem of rural low voltage, the characteristics of voltage regulation on the line voltage regulator are studied. The mathematical model including line voltage regulator is established, the voltage regulator characteristic in constant power load ,as well as the factors that affect the characteristics of the regulator, including line regulator capacity and gear, load power factor, line length and wire model are analyzed, it proposes that mobile energy storage devices combing with the regulator can be a measure for low-voltage controlling. Research shows that the capacity of the voltage regulator and its tap position, in addition to factors such as line length and type, load power factor have the effect on voltage regulator characteristics, and the combined use of the mobile energy storage device and the regulator can effectively improve the regulator adjustment.The research has certain practical value, which provides a novel idea for the rural power low voltage control.