该装置可大大提高煤矿供电系统的安全可靠性。

The device improves the security of the colliery power distribution system greatly.

youdao

因此，为保证牵引变电所安全、稳定、优质、不间断的供电，提高牵引供电系统的安全可靠性就具有重要意义。

Traction substation should be safe, steady, effective and continuous, so it is very important to improve the system's security and reliability.

youdao

因此，为保证牵引变电所安全、稳定、优质、不间断的供电，提高牵引供电系统的安全可靠性就具有重要意义。

Traction substation should be safe, steady, effective and continuous, so it is very important to improve the system's security and reliability.

youdao