The graduation to the design plan， based on the principle of national economic development， policies， technical requirements criteria， combined with the actual construction to ensure reliable power supply， scheduling flexibility to meet the technical In the analysis of raw data based on the 110KV substation electrical design engineering on several comparative analysis of the connection modes of operation， first elected to meet the 110KV substation safe， reliable quality， following the security requirements of economic operation and the best connection mode as normal 110KV substation run main electrical On the development of the main electrical connection， to short-circuit current calculation， to choose a reasonable electrical Finally， a part of the wiring and the configuration of relay protection requirements to ensure safe and economic operation of the substation to prevent the occurrence or expansion， to the purpose of safe and economic Substation automation is the secondary substation equipment (including measuring instruments， signal systems， relay protection， automatic devices and remote devices， ) through a combination of functions and optimize the design， use of advanced computer technology， modern electronic technology， communication technology and signal processing technology， on all major substation equipment and transmission and distribution lines of automatic monitoring， measurement， automatic control and computer protection， and integrated communications and scheduling automation
