CHENG Jiatang, DUAN Zhimei, XIONG Yan, et al. Dissolved Gas Analysis Based QPSO-BP Model for Transformer Fault Diagnosis[J]. High voltageapparatus, 2016, 52(2): 57-61.
CHENG Jiatang, DUAN Zhimei, XIONG Yan, et al. Dissolved Gas Analysis Based QPSO-BP Model for Transformer Fault Diagnosis[J]. High voltageapparatus, 2016, 52(2): 57-61. DOI: 10.13296/j.1001-1609.hva.2016.02.009.
Dissolved Gas Analysis Based QPSO-BP Model for Transformer Fault Diagnosis
提出一种基于量子粒子群优化BP神经网络(quantum particle swarm optimized BP neural network
QPSO-BP)的故障诊断模型。在该算法中
用量子位的概率幅表示种群中各粒子的当前位置
用量子旋转门实现粒子位置的移动
用量子非门进行变异操作
以获取BP神经网络的权、阈值优化参数
最终实现了变压器故障诊断模型的构建。对故障DGA样本的诊断实例表明
与粒子群优化BP网络(particle swarm optimized BP neural network
PSO-BP)法、BPNN法以及IEC三比值法相比
QPSO-BP算法具有更高的诊断正确率
从而实现了变压器故障模式的有效识别。
Abstract
In order to improve the accuracy of transformer fault diagnosis
a model is proposed based on quantum particle swarm optimized BP neural network(QPSO-BP). In this algorithm
the current position of the particle is achieved with probability amplitude of quantum bits
quantum rotating gate is employed in moving position
then the mutation operation is performed by quantum non-gate
in order to acquire the optimization parameters of weights and thresholds of BP neural network
ultimately the transformer fault diagnosis model is established. The simulation results of DGA samples show that the QPSO-BP algorithm has higher diagnosis accuracy compared with particle swarm optimized BP neural network(PSO-BP)
BP neural network and IEC three ratio
and achieves the effective recognition of transformer failure mode.