The correctness of the prediction formula is verified through two calculation examples of EPRI system and New England system. The results show that the unstable modes of a disturbed power system can be correctly predicted.

• 用电科院和新英格兰系统2个算例验证了预测失稳模式的公式的正确性,计算结果表明用该公式能准确预测电力系统的失稳模式。