An electrical power system (46, 105) connectable to a power grid, comprising: a cluster (48, 137) of electrical power subsystems (27, 102), each of the electrical power subsystems (27, 102) comprising a power converter (38, 122) electrically coupled to a generator (28, 116) having a generator rotor (32, 118) and a generator stator (30, 120), each of the electrical power subsystems (27, 102, 202) defining a stator power path (62, 125) and a converter power path (63, 127) for providing power to the power grid, each of the electrical power subsystems (27, 102) further comprising a transformer (34, 130); a subsystem breaker (36, 135) configured with each of the electrical power subsystems (27, 102); a cluster power path (60, 170) extending from each subsystem breaker (36, 135) for connecting the cluster (48, 137) of electrical power subsystems (27, 102) to the power grid; and a reactive power compensation inverter electrically coupled within the electrical power system (46, 105), the reactive power compensation inverter operable to increase the reactive power level in the electrical current flowing to the power grid; the electrical power system further comprising an active harmonic filter electrically coupled within the electrical power system (46, 105), the active harmonic filter operable to reduce harmonics in the electrical current flowing to the power grid; and wherein each phase of the active harmonic filter comprises a third switching element and a fourth switching element in series with each other or an H-bridge; and wherein the third switching element and fourth switching element are metal-oxide-semiconductor field-effect transistors which are adapted to produce a relatively lower level of power relative to that produced by the reactive power compensation inverter; and wherein the metal-oxide-semiconductor field-effect transistors are silicon carbide metal-oxide-semiconductor field-effect transistors to achieve a relatively high switching frequency, such as in the range of 20 kHz to 50 kHz. a cluster (48, 137) of electrical power subsystems (27, 102), each of the electrical power subsystems (27, 102) comprising a power converter (38, 122) electrically coupled to a generator (28, 116) having a generator rotor (32, 118) and a generator stator (30, 120), each of the electrical power subsystems (27, 102, 202) defining a stator power path (62, 125) and a converter power path (63, 127) for providing power to the power grid, each of the electrical power subsystems (27, 102) further comprising a transformer (34, 130); a subsystem breaker (36, 135) configured with each of the electrical power subsystems (27, 102); a cluster power path (60, 170) extending from each subsystem breaker (36, 135) for connecting the cluster (48, 137) of electrical power subsystems (27, 102) to the power grid; and a reactive power compensation inverter electrically coupled within the electrical power system (46, 105), the reactive power compensation inverter operable to increase the reactive power level in the electrical current flowing to the power grid; the electrical power system further comprising an active harmonic filter electrically coupled within the electrical power system (46, 105), the active harmonic filter operable to reduce harmonics in the electrical current flowing to the power grid; and wherein each phase of the active harmonic filter comprises a third switching element and a fourth switching element in series with each other or an H-bridge; and wherein the third switching element and fourth switching element are metal-oxide-semiconductor field-effect transistors which are adapted to produce a relatively lower level of power relative to that produced by the reactive power compensation inverter; and wherein the metal-oxide-semiconductor field-effect transistors are silicon carbide metal-oxide-semiconductor field-effect transistors to achieve a relatively high switching frequency, such as in the range of 20 kHz to 50 kHz.