<p><span style=\"line-height: 115%; font-family: \'Times New Roman\',\'serif\'; font-size: 12pt; mso-fareast-font-family: \'Times New Roman\'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\" lang=\"EN-US\"><span style=\"font-size: small;\">UTILIZATION OF FREQUENCY REGULATOR FOR CONTROLLING BOTH VOLTAGE AND FREQUENCY OF A WIND ELECTRICAL SYSTEM</span> </span></p>