Test results show that the modified embedded zerotree coding method is effective for power system malfunction data compression, and that the embedded property is very helpful for improving fault record performance.

• 仿真实验表明，改进后的嵌入式零树编码方法对电力系统故障数据压缩十分有效，并且其嵌入式的特性提高了故障录波器的性能。