results of 20 kv network restructuring: dispersed generation (dg) and mvdc coupler
DESCRIPTION
~. ~. ~. Results of 20 kV network restructuring: Dispersed generation (DG) and MVDC Coupler. MVDC Coupler. Remote network part Net3. DG. Network parts. Neighbour network. Voltage course Net3 (worst case). w. Before restructuring. Restructured, Power factor control. - PowerPoint PPT PresentationTRANSCRIPT
1Buchholz DE Session 4 – Block 4.4 – Paper 4.59
Barcelona 12-15 May 2003
Before restructuring
Restructured, Power factor control
Voltage course, Net3 ( Outage line 1) )
-5,00
-4,00
-3,00
-2,00
-1,00
0,00
1,00
2,00
0 5 10 15 20
Time/ h
V/V
r,%
1
Var.1Var.2Var.3
MVDC Coupler
Network parts
Remote network
part
Net3 Neighbour network ~
~
~
Restructured, Voltage control
Converter connected DG –
Synchronisation after fault!
Automated sequences required!
Synchronous DG – stable continuation
Fault simulation with DG
wVoltage course Net3 (worst case)
Results of 20 kV network restructuring:Results of 20 kV network restructuring: Dispersed generation (DG) and MVDC CouplerDispersed generation (DG) and MVDC Coupler
Outage time Net 3
•Before restructuring 1,2 h/a
•Restructured 0,24 h/a
•Restr. & automated 0,03 h/a
DG