THIẾT KẾ TRẠM BIẾN ÁP
HV Sub st ati on Desi gn : Applications and Considerations Dominik Pieniazek, P.E IEEE CED Houston Chapter October 2-3, 2012 Agenda Substation Basics Electrical Configuration Physical Design Protection and Controls Design and Construction Coordination HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Electrical System Substation - A set of equipment reducing the high voltage of electrical power transmission to that suitable for supply to consumers Switching Station A set of equipment used to tie together two or more electric circuits HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 TRANSMISSION LEVEL VOLTAGES 765 kV 500kV 345 kV 230 kV 161 kV 138kV 115 kV DISTRIBUTION LEVEL VOLTAGES 69 kV 46 kV 34.5kV 23 kV HV Substation Design: Applications and Considerations 15 kV 4.16 kV 480V IEEE CED Houston Chapter 2012-2013 Typical 138 kV Substation – Four (4) Breaker Ring Bus w/ Oil Circuit Breakers HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Typical 138 kV Substation HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Typical 138 kV Substation HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 230 kV Generating Substation – Built on the side of a mountain HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 230 kV Indoor Generating Substation HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 765 kV Generating Substation – Four (4) Breaker Ring Bus w/ Live Tank GCBs HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Variations Variations Exist Swap Line and Transformer Positions Add 2nd Tie Breaker 163 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Single Breaker Designs Breaker maintenance requires circuit outage Typically contain multiple single points of failure Little or no operating flexibility Multiple Breaker Designs Breaker maintenance does not require circuit outage Some designs contain no single points of failure Flexible operation I n general, highly adaptable and expandable Conclusion HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Questions? www.hv-eng.com HV Substation Design: Applications and Considerations Sh 165 IEEE CED Houston Chapter 2012-2013 Appendix www.hv-eng.com HV Substation Design: Applications and Considerations Sh 166 IEEE CED Houston Chapter 2012-2013 Example of low profile substation using lattice structures Sh 167 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Example of conventional design Sh 168 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Base plates with grout Installation leads to rusting at base of support Sh 169 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Base plates without grout Preferred Installation Method* * Structural engineer should confirm base plate and anchor bolts are sized properly Sh 170 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Verify proper phase-toground clearance o Vee Break vs Vertical Break Sh 171 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Sh 172 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Sh 173 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Sh 174 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Arcing Horn Quick Break Whip Sh 175 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 High Speed Whip Magnetic Interrupter Sh 176 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013 Load and Line Switcher Sh 177 HV Substation Design: Applications and Considerations IEEE CED Houston Chapter 2012-2013