The algorithms were discussed detailedly, which used BP neural network and improved BP neural network with conjugate gradient algorithm forecast power network short-term load.

• 详细讨论了应用BP神经网络、共轭梯度算法改进BP神经网络方法进行电力系统短期负荷预报的算法，及在预报过程中对电网负荷数据进行预处理方法。