A method, comprising: upon determining a high-voltage link coupling a first wind turbine to a grid is not functioning, operating the first wind turbine in a wind park using an auxiliary control system where the first wind turbine provides auxiliary power to a second wind turbine in the wind park, wherein the second wind turbine is shutdown, and wherein the auxiliary control system comprises a reactive power control leg (585, 1105) and an active power control leg (580, 1110); when the high-voltage link is not functioning, generating a magnitude voltage (V MAG) using the reactive power control leg (585, 1105) and generating a voltage factor angle (θ W) using the active power control leg (580, 1110), wherein the magnitude voltage (V MAG) and the voltage factor angle (θ W) are used to generate signals that set the magnitude and frequency of an AC signal outputted by a grid-side converter; and upon determining the high-voltage link is functioning, operating the first and second wind turbines (1005A, 1005B) using a primary control system (500,1015) to transmit power on the high-voltage link, wherein the primary control system (500,1015) is different from the auxiliary control system, and includes the reactive power control leg and the active power control leg, and wherein the primary control system further comprises a controller with an integral function which receives as an input a difference between a desired active power value (P D) and an actual active power value (P A) from the active power control leg and outputs a voltage adjustment for the reactive power control leg, and a reactive power adjuster which receives as an input the difference between the desired active power value (Q D) and the actual reactive power value (Q A) and outputs an angle adjustment for the active power control leg. upon determining a high-voltage link coupling a first wind turbine to a grid is not functioning, operating the first wind turbine in a wind park using an auxiliary control system where the first wind turbine provides auxiliary power to a second wind turbine in the wind park, wherein the second wind turbine is shutdown, and wherein the auxiliary control system comprises a reactive power control leg (585, 1105) and an active power control leg (580, 1110); when the high-voltage link is not functioning, generating a magnitude voltage (V MAG) using the reactive power control leg (585, 1105) and generating a voltage factor angle (θ W) using the active power control leg (580, 1110), wherein the magnitude voltage (V MAG) and the voltage factor angle (θ W) are used to generate signals that set the magnitude and frequency of an AC signal outputted by a grid-side converter; and upon determining the high-voltage link is functioning, operating the first and second wind turbines (1005A, 1005B) using a primary control system (500,1015) to transmit power on the high-voltage link, wherein the primary control system (500,1015) is different from the auxiliary control system, and includes the reactive power control leg and the active power control leg, and wherein the primary control system further comprises a controller with an integral function which receives as an input a difference between a desired active power value (P D) and an actual active power value (P A) from the active power control leg and outputs a voltage adjustment for the reactive power control leg, and a reactive power adjuster which receives as an input the difference between the desired active power value (Q D) and the actual reactive power value (Q A) and outputs an angle adjustment for the active power control leg.