Mathematical Problems in Engineering

Research Article

Transient Simulations in Hydropower Stations Based on a Novel Turbine Boundary

Table 1

Signs of the different terms at different segments.
 Segment
Pump regionAB+++++++−−
BC+++++++−−
Pump braking regionCD+++++++++
Turbine regionDE+++++++++
EF+++−+−+++
FG+++−+−+−−
GH+++−−++−−
HI+−−−−++−−
Braking regionIJ+−−−−++−−
Reverse-pump regionJK+−−−−++−−
KL+++−−++−−