| 1. | With the rapid development of power industrial in our country , the protectiondevice for transformer whether can exactly , timely , reliably act , which is one of animportant factor for power grid to guarantee running securely in modern electricsystem 随着我国电力工业的迅速发展,在现代电力系统中,变压器保护装置能否准确、及时、可靠的动作是保证电网安全运行的关键因素之一。 |