基于RTLAB虚实结合的馈线自动化测试

doi:10.16180/j.cnki.issn1007-7820.2024.05.004

Abstract

Abstract:

In view of the function test of feeder automation, in order to avoid the adverse impact on the safe operation of power system caused by the test experiment of distribution terminal connecting to the actual distribution network, and to improve the flexibility, efficiency and correctness of the test, a virtual and real feeder automation test method is proposed. The RTLAB(Real Time Laboratory) real-time full digital simulator is used to build the distribution network and simulate the fault operation. A simulated virtual distribution terminal with protection, recloser and in-place FA (Feeder Automation) functions is designed to carry out the RTLAB real-time simulator and physical model hardware simulation research. An interface implementation scheme based on high performance linear power amplifier is designed to form a closed-loop access test system for the measured distribution terminal, and an automatic simulation test environment combining virtual and real is constructed. The accuracy of the interface device and the effectiveness of the test platform are verified through the hardware-in-the-loop simulation experiment of the basic fault handling capability test and fault tolerance capability test.

Key words: feeder automation, RTLAB, combination of virtual and real, hardware in the loop, power amplifier, power distribution terminal, interface device, fault test

CLC Number:

TP23

MA Xiaoyu, CHEN Zhuo, YANG Chao, LI Qingsheng, HAO Zhenghang. Research on Feeder Automation Test Based on RTLAB Virtual Reality Combination[J].Electronic Science and Technology, 2024, 37(5): 25-31.

Figures/Tables 12

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References 20

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材料	名称
软件	RTLAB 2020.1
软件	MaintTool
硬件	Op5600实时仿真器
	PA60B数字功放
	继电器
	I/O板卡

采集量	配置信息
遥信	电压、电流
遥测	开关状态
遥控	开关分合

序号	故障位置	故障类型	开关动作情况	故障隔离结果	供电恢复结果
1	CB₁、FS₁之间	瞬时故障	CB₁过流跳闸,FS₁~FS₄失压分闸。CB₁一次重合闸,FS₁~FS₄依次得电延时合闸。	正确识别瞬时故障,无开关误动	恢复至正常运行状态
2	CB₁、FS₁之间	永久故障	CB₁过流跳闸,FS₁~FS₄失压分闸。CB₁一次重合闸,合于故障,CB₁再次过流跳闸,并闭锁重合闸。FS₁检测到残压,反向闭锁。联络开关LS经长延时合闸,FS₂~FS₄单侧得电延时合闸。	CB₁、FS₁开关断开,隔离故障区域	LS合闸,恢复非故障区域供电
3	FS₁、FS₂、FS₃之间	永久故障	CB₁过流跳闸,FS₁~FS₄失压分闸。CB₁一次重合闸,FS₁单侧得电合闸,合于故障,CB₁过流跳闸,FS₁正向闭锁。FS₂、FS₃检测到残压反向闭锁。CB₁二次重合闸,联络开关LS合闸,FS₄单侧得电合闸。	FS₁、FS₂、FS₃开关断开,隔离故障区域	CB₁、LS合闸,恢复故障上游区域供电
4	FS₂之后	永久故障	CB₁过流跳闸,FS₁~FS₄失压分闸。CB₁一次重合闸,FS₁、FS₃、FS₄单侧得电合闸。FS₂得电合闸,合于故障,CB₁跳闸,FS₂分闸并正向闭锁。CB₁二次重合闸,FS₁、FS₃、FS₄单侧得电合闸。	FS₂开关断开隔离故障区域	FS₁、FS₃、FS₄合闸,恢复非故障区域供电
5	FS₄、LS之间	永久故障	CB₁过流跳闸,FS₁~FS₄失压分闸。CB₁一次重合闸,FS₁、FS₃单侧得电合闸。FS₄单侧得压合闸,合于故障,CB₁跳闸,FS₄分闸并正向闭锁,LS反向闭锁。CB₁二次重合闸,FS₁~FS₃单侧得压合闸。	FS₄、LS开关断开,隔离故障区域	FS₁、FS₂、FS₃合闸,恢复非故障区域供电

	离线仿真	现场测试	本文方法
测试周期	长	长	短
测试成本	较低	高	低
测试安全性	高	低	高
结果真实性	低	高	高

Research on Feeder Automation Test Based on RTLAB Virtual Reality Combination

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