NETCONVERTER

WIND MILLS AND OTHER WIND POWERED ELECTRICITY GENERATORS, AND PARTS AND ACCESSORIES THEREFOR, NAMELY, MILL TOWERS AND MASTS, BLADES, BLADE HUBS, MILL HOUSINGS, MACHINE BEDS, YAW RINGS AND GEARS, ADJUSTMENT MECHANISMS FOR SETTING THE PITCH OF THE WINGS, BRAKES AND BRAKE DEVICES, MAIN SHAFTS, CARDAN JOINTS, TRANSMISSION CASES, CLUTCHES AND ELECTRIC GENERATORS AND RESERVE ELECTRICAL POWER SUPPLY PLANTS

ELECTRICAL, ELECTRONIC AND COMPUTER EQUIPMENT FOR WIND MILLS, NAMELY, CONTROL AND MONITORING DEVICES FOR AUTOMATICALLY TURNING ON OR OFF THE GENERATOR AND FOR AUTOMATIC STARTING AFTER A PUBLIC POWER LINE BREAKDOWN, AND FOR VOLTAGE SURGE PROTECTION AGAINST STRIKES OF LIGHTNING; MICROPROCESSORS FOR CONTROLLING AND MONITORING CONSTANT VOLTAGE, FREQUENCY, PHASE CONDITIONS, ROTOR SPEED, CONTROL OF THE EFFICIENCY AND THICKNESS OF BRAKE PADS AND OF TEMPERATURE, DIRECTION AND SPEED OF WIND; VIBRATION SENSORS FOR INSTALLATION IN THE MILL HOUSING; WATT-HOUR METERS

[ Erection, construction, installation, maintenance and repair of wind mills ]