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198 Modern Control of DC-Based Power Systems
Figure 5.62 ISPS V bus H N for ideal CPL Step 30.9 - 53.4 MW.
Figure 5.63 I L15L25L3 H N for ideal CPL and 30.9 - 53.4 MW.
22.5 MW is applied at the load side at t 5 0.25 s. The effect of the
increasing and decreasing of the CPL load on the load voltage is described
in Fig. 5.62, demonstrating that the voltage remains stable and reaches the
voltage set-points that are gradually modified by the action of the droop
control. In Fig. 5.62 one can observe the transient for the current
(Fig. 5.63).
5.7.6.3 Impact of Measurement Noise
In this scenario, the robustness properties of the controller are presented.
Pink noise corrupts the measurement of each primary controller. A band
