Introducing MRAC-PSS-VI to Increase Small-Signal Stability of the Power System after Wind Power Integration

<div>Block diagram of the applied PSS. <svg height="12.2532pt" id="M1" style="vertical-align:-3.29108pt" version="1.1" viewbox="-0.0498162 -8.96212 14.3955 12.2532" width="14.3955pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.176,3.132)"><path d="M698 334C698 397 680 451 655 451C627 451 602 424 602 397C602 389 605 383 614 371C622 360 624 340 624 317C624 161 546 47 458 47C419 47 389 69 389 125C389 142 391 162 397 185L457 430L451 435L380 421L315 164C301 107 266 47 222 47C182 47 153 69 153 126C153 137 157 162 161 185C166 214 179 265 197 334C203 358 208 385 208 407C208 433 201 451 176 451C124 451 64 404 24 348L44 320C86 366 113 382 121 382C126 382 128 381 128 374C128 368 126 356 122 341C102 266 88 204 81 164C77 143 73 121 73 107C73 23 131 -12 187 -12C234 -12 281 10 322 45C343 5 383 -12 422 -12C559 -12 698 174 698 334Z"></path></g></svg> is the time constant of the straight block, <i>T</i><sub>1</sub>, <i>T</i><sub>2</sub>, <i>T</i><sub>3</sub>, and <i>T</i><sub>4</sub> are the time constants of the lead and lag blocks, and <i>K</i><sub><i>P</i></sub> is the gain of the PSS. The block diagram consists of a wash-out section, a gain section, two phase compensation sections, and a limit section for the output signal.</div>

International Transactions on Electrical Energy Systems

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Figure 1

Figure 1: Introducing MRAC-PSS-VI to Increase Small-Signal Stability of the Power System after Wind Power Integration 