Polarization Mode Dispersion (PMD) has become a dominate limiting factor in 40 Gb/s and higher speed fiber-optics communication systems. In order to make the PMD compensation scheme cost-effective and easy to install in practical communication fiber paths,a PMD partial compensation scheme based on two-stage fixed delay structure was designed,fabricated and tested in practical underground fiber links. The performance of this scheme was examined by using optical communication system simulation software Optisystem 3.0,and parameters of the compensator were optimized. Compensation experiment for four 60 km-long installed fiber cable links was in a good agreement with the simulated result,with a 15～20% of PMD compensation achieved.