求翻译：随着电网的不断发展与扩大及综合自动化技术在电力系统中的广泛应用，银城变电站为了适应系统电网运行与技术要求的需要对所有一、二次设备进行了更换。将原来的少油式断路器全部更换为SF6断路器、原来的高频闭锁方向保护换成了光纤差动保护。针对银城变在综自改造过程中新、旧设备交换运行的复杂情况、可能出现的各种问题，影响站内安全可靠运行。现从以下几个方面谈一下自己的想法：是什么意思？

With the continuous development and expansion of the network and extensive application of comprehensive automation technology in electric power system, Silver City substation of power grid operation and technology in order to meet the system requirements needed to replace all primary equipment. Will replace all of original oil minimum circuit breaker for SF6 circuit breakers, the direction of high-frequency locking protection into the optical fiber differential protection. For Silver City in coal during reconstruction of the new and old equipment running Exchange complex, various problems may occur, affecting the site safe and reliable operation. Now talk about their ideas from the following aspects: