我们需要升级旧的供电系统。

We need to upgrade the old power supply system.

新的供电系统更加高效且节能。

The new power supply system is more efficient and energy-saving.

供电系统确保了整个建筑的电力供应。

The power supply system ensures the electricity supply for the entire building.

任何故障都可能导致供电系统瘫痪。

Any malfunction could cause the power supply system to fail.

工程师正在测试供电系统的稳定性。

The engineers are testing the stability of the power supply system.

它将推动供电系统供电可靠性管理走上科学化、正规化的道路。

This system can conduce to scientific and regular management of power supply reliability in the national power supply system.

指出结合地铁供电系统特色，研究、开发、应用地铁牵引供电系统开关量微机综合保护装置是完全可行的。

It is fully feasible to develop and apply comprehensive digital microcomputer equipment to traction power supply system switch of metro considering the features of power supply system of metro.

有效地解决了直流牵引供电系统存在的部分车站输出能力不足的问题，提高了线路供电系统的安全性和可靠性。

This method has effectively solved the problems of insufficient power supply between DC traction substations, improved the security and reliability of power supply system.

结果表明：相对于传统的独立式中频供电系统，集中式中频供电系统在生命力和可靠性方面有较大提高。

Research results show that compared with the conventional power supply system, centralized power system with frequency of 400Hz has made greater progress with respect to survivability and reliability.

随着电力机车技术的发展, 机车供电系统越来越凸显其重要性.

With the electric locomotive technology, locomotive power supply system highlights the importance of more and more.