针对馈线自动化的功能测试问题,为避免配电终端接入实际配电网进行测试实验可能对电力系统的安全运行造成不利影响,同时为了提高测试的灵活性、效率性和正确性,文中提出了一种虚实结合的馈线自动化测试方法,利用RTLAB(Real Time Laborat...针对馈线自动化的功能测试问题,为避免配电终端接入实际配电网进行测试实验可能对电力系统的安全运行造成不利影响,同时为了提高测试的灵活性、效率性和正确性,文中提出了一种虚实结合的馈线自动化测试方法,利用RTLAB(Real Time Laboratory)实时全数字仿真器搭建配电网并模拟故障运行,设计具备保护、重合闸、就地式FA(Feeder Automation)功能的仿真型虚拟配电终端用于开展RTLAB实时仿真器与物理模型硬件在环仿真研究。文中设计的基于高性能线性功率放大器的接口实施方案被测配电终端接入测试系统形成闭环,构建了虚实结合的馈线自动化仿真测试环境。通过开展基本故障处理能力测试和容错能力测试的硬件在环仿真实验,验证了接口装置的准确性,同时验证了测试平台的有效性。展开更多
In feeder automation transformation there are difficulties in equipment and location selection.To help with this,an optimal layout model of feeder automation equipment oriented to the type of fault detection and local...In feeder automation transformation there are difficulties in equipment and location selection.To help with this,an optimal layout model of feeder automation equipment oriented to the type of fault detection and local action is pro-posed.It analyzes the coordination relationship of the three most common types of automation equipment,i.e.,fault indicator,over-current trip switch and non-voltage trip switch in the fault handling process,and the explicit expres-sions of power outage time caused by a fault on different layouts of the above three types of equipment are given.Given constraints of power supply reliability and the goal of minimizing the sum of equipment-related capital invest-ment and power interruption cost,a mixed-integer quadratic programming model for optimal layout is established,in which the functional failure probability of equipment is linearized using the 3δprinciple in statistics.Finally,the basic characteristics of the proposed model are illustrated by different scenarios on the IEEE RBTS-BUS6 system.It can not only take into account fault location and fault isolation to enhance user power consumption perception,but also can guide precise investment to improve the operational quality and efficiency of a power company.展开更多
文摘针对馈线自动化的功能测试问题,为避免配电终端接入实际配电网进行测试实验可能对电力系统的安全运行造成不利影响,同时为了提高测试的灵活性、效率性和正确性,文中提出了一种虚实结合的馈线自动化测试方法,利用RTLAB(Real Time Laboratory)实时全数字仿真器搭建配电网并模拟故障运行,设计具备保护、重合闸、就地式FA(Feeder Automation)功能的仿真型虚拟配电终端用于开展RTLAB实时仿真器与物理模型硬件在环仿真研究。文中设计的基于高性能线性功率放大器的接口实施方案被测配电终端接入测试系统形成闭环,构建了虚实结合的馈线自动化仿真测试环境。通过开展基本故障处理能力测试和容错能力测试的硬件在环仿真实验,验证了接口装置的准确性,同时验证了测试平台的有效性。
基金supported by the National Natural Science Foundation of China(Grant No.51777067).
文摘In feeder automation transformation there are difficulties in equipment and location selection.To help with this,an optimal layout model of feeder automation equipment oriented to the type of fault detection and local action is pro-posed.It analyzes the coordination relationship of the three most common types of automation equipment,i.e.,fault indicator,over-current trip switch and non-voltage trip switch in the fault handling process,and the explicit expres-sions of power outage time caused by a fault on different layouts of the above three types of equipment are given.Given constraints of power supply reliability and the goal of minimizing the sum of equipment-related capital invest-ment and power interruption cost,a mixed-integer quadratic programming model for optimal layout is established,in which the functional failure probability of equipment is linearized using the 3δprinciple in statistics.Finally,the basic characteristics of the proposed model are illustrated by different scenarios on the IEEE RBTS-BUS6 system.It can not only take into account fault location and fault isolation to enhance user power consumption perception,but also can guide precise investment to improve the operational quality and efficiency of a power company.