1. b.alinezhad@yahoo.com-09123120634 All rights reserved MV SWITCHGEAR

2. b.alinezhad@yahoo.com-09123120634 All rights reserved STANDARDS IEC 62271-200 High-voltage switchgear and controlgear – AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

3. b.alinezhad@yahoo.com-09123120634 All rights reserved Metal-enclosed Switchgears Busbar Compartment Circuit Breaker Compartment Cable Compartment LV Compartment

4. b.alinezhad@yahoo.com-09123120634 All rights reserved Circuit Breaker Compartment

5. b.alinezhad@yahoo.com-09123120634 All rights reserved Main busbar system Branch busbar connections Through insulators for segregation of neighboring busbar compartments Busbar Compartment

6. b.alinezhad@yahoo.com-09123120634 All rights reserved Earthing switch Busbar branch connections Power cables Surge arresters Instrument transformers (current transformers, voltage transformers) Cable Compartment

7. b.alinezhad@yahoo.com-09123120634 All rights reserved Microprocessor relay protection Automation and SCADA elements Auxiliary wiring (control, supply, signalling circuits) Transit auxiliary wiring Local control and signalling elements Low-Voltage Compartment

8. b.alinezhad@yahoo.com-09123120634 All rights reserved Internal Construction 1 Circuit Breaker compartment 2 Main busbar compartment 3 Cable compartment 4 LV compartment 5 Arc duct/channel 6 Current transformers 8 Earthing switch 7 Voltage transformers

9. b.alinezhad@yahoo.com-09123120634 All rights reserved Internal Arc Protection Front Protection Rear Protection Lateral Protection Release of hot gases from each compartment in case of internal arc fault

10. b.alinezhad@yahoo.com-09123120634 All rights reserved Single Line Diagram

11. b.alinezhad@yahoo.com-09123120634 All rights reserved IF & OF – Incoming & Outgoing Feeder 6 Cables Withdrawable VT Fixed VT + 6cables

12. b.alinezhad@yahoo.com-09123120634 All rights reserved BC – Bus Coupler Left/Right Versions

13. b.alinezhad@yahoo.com-09123120634 All rights reserved BR – Bus Riser Metering Version With VT Truck Version With No VT Truck

14. b.alinezhad@yahoo.com-09123120634 All rights reserved Rating

15. b.alinezhad@yahoo.com-09123120634 All rights reserved Gas-Insulated Switchgear

16. b.alinezhad@yahoo.com-09123120634 All rights reserved Panel Components

17. b.alinezhad@yahoo.com-09123120634 All rights reserved IF & OFBC + BR Single Line Diagram