Fault Diagnosis of PMSG Wind Power Generation System Based on LMD and MSE

<div>LMD decomposition of OC fault occurred in S1: (a) <span class="nowrap"><svg height="11.9629pt" id="M97" style="vertical-align:-3.2226pt" version="1.1" viewbox="-0.0498162 -8.7403 8.79496 11.9629" width="8.79496pt" 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="M148 517C189 517 220 549 220 587C220 627 189 657 149 657C111 657 78 627 78 587C78 549 111 517 148 517ZM285 0V32C225 39 220 45 220 114V454C164 438 98 425 37 418V389C85 381 92 378 92 312V114C92 43 86 39 28 32V0H285Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,3.835,3.132)"><path d="M476 46L464 83C454 79 442 75 430 75C414 75 398 88 398 135V295C398 350 389 395 345 427C317 448 285 457 244 457C184 446 112 410 75 385C53 368 40 356 40 337C40 308 78 285 104 285C125 285 141 292 148 318C156 348 165 374 177 388C187 399 198 405 211 405C250 405 271 368 271 310V285C248 264 170 239 110 217C56 197 31 172 31 119C31 55 82 -12 169 -12C188 -12 236 20 275 46C280 35 287 21 302 9C315 -3 336 -12 364 -12L476 46ZM271 85C253 72 242 68 228 68C205 68 167 87 167 142C167 176 183 193 214 209C235 219 252 230 271 241V85Z"></path></g></svg>,</span> (b) <span class="nowrap"><svg height="11.9629pt" id="M98" style="vertical-align:-3.2226pt" version="1.1" viewbox="-0.0498162 -8.7403 9.39782 11.9629" width="9.39782pt" 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="M148 517C189 517 220 549 220 587C220 627 189 657 149 657C111 657 78 627 78 587C78 549 111 517 148 517ZM285 0V32C225 39 220 45 220 114V454C164 438 98 425 37 418V389C85 381 92 378 92 312V114C92 43 86 39 28 32V0H285Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,3.835,3.132)"><path d="M201 420V699C144 684 61 669 9 663V627C65 622 70 614 70 558V24C140 -2 190 -12 247 -12C396 -12 511 97 511 245C511 357 423 457 302 457C281 457 266 450 237 437L201 420ZM201 380C216 385 225 387 243 387C305 387 369 338 369 213C369 89 321 32 267 33C235 34 212 64 206 80C203 87 201 99 201 113V380Z"></path></g></svg>,</span> and (c) <span class="nowrap"><svg height="11.9629pt" id="M99" style="vertical-align:-3.2226pt" version="1.1" viewbox="-0.0498162 -8.7403 8.36566 11.9629" width="8.36566pt" 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="M148 517C189 517 220 549 220 587C220 627 189 657 149 657C111 657 78 627 78 587C78 549 111 517 148 517ZM285 0V32C225 39 220 45 220 114V454C164 438 98 425 37 418V389C85 381 92 378 92 312V114C92 43 86 39 28 32V0H285Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,3.835,3.132)"><path d="M403 124C367 92 337 83 296 83S159 125 159 257C159 361 204 400 244 400C270 400 301 385 344 348C352 341 359 337 366 337C384 337 410 365 410 395C411 410 407 422 392 433C375 446 343 457 305 457H304C266 457 199 443 133 395C69 348 30 277 30 202C30 92 112 -12 250 -12C311 -12 378 30 425 96L403 124Z"></path></g></svg>.</span></div>

Complexity

fig5

Figure 5

Figure 5: Fault Diagnosis of PMSG Wind Power Generation System Based on LMD and MSE 