Variable Speed Pump Storage for the Mitigation of SSR in Power System with Wind Generation

Table 1

The parameters of the VSPS.

Type of the parameter	Unit	Value
Turbine rating	MW	300
Rated hydraulic head	m	165
Piping area	m^2	11.15
Gate opening at no load	pu	0.06
Gate opening at full load	pu	0.94
Generator power capacity	MVA	333
Generator terminal voltage	kV	18
Base value of the power	MVA	333
Base value of the voltage	kV	220
Stator resistance	pu	0.0086
Stator leakage inductance	pu	0.152
Rotor resistance	pu	0.007
Rotor leakage inductance	pu	0.187
Magnetization inductance	pu	300
Inertia constant	Sec.	10.6
Friction coefficient	pu	0.02
Pairs of poles	No.	12
Converter rating	MVA	66
Converter DC-link voltage	kV	38
DC-link equivalent capacitance	mF	20
The coupling inductor resistance	pu	0.0025
The coupling inductor inductance	pu	0.25
The rotor side controller
Current loop proportional gain		1.25
Current loop integral gain		15
Active power loop proportional gain		1.5
Active power loop integral gain		20
Reactive power loop proportional gain		0.3
Reactive power loop integral gain		5.5
Frequency droop constant	Kf	30
AC voltage droop constant	KAC	60
The grid side controller
Current loop proportional gain		1.1
Current loop integral gain		9
DC voltage loop proportional gain		0.001
DC voltage loop integral gain		0.02
Grid connecting transformer
Power capacity	MVA	350
Voltage transformation ratio	unitless	18/363
primary winding resistance	pu	0.0025
Secondary winding resistance	pu	0.0025
Primary winding inductance	pu	0.08
Secondary winding inductance	pu	0.08
Magnetization resistance	pu	500
Magnetization inductance	pu	500