Electrical pitch control system for controlling at least one rotor blade for a wind turbine , said wind turbine comprising a nacelle , as well as a hub both place on the top of a tower , said hub is adapted to rotate around an axis, and at least one rotor blade is pivotable mounted on the hub , said system comprising at least one electrical pitch drive system , each drive system is connected to a rotor blade and an electrical pitch motor ; the electrical pitch drive system(s) and the motor(s) are placed in the hub , said electrical pitch drive system(s) is/are adapted to communicate with units comprising the motor(s) for pitching the rotor blade it is attached to and in accordance with inputs registered from a first sensor and a second sensor and said electrical pitch control system further comprises at least one gyroscope placed in the hub , each electrical pitch drive system(s) and gyroscope rotate with the rotation of the rotor blades and the rotation of the hub around the axis, and are placed in a fixed distance to the axis of rotation of the hub , said gyroscope is adapted to register an angle value of the longitudinal axis of the rotor blade with respect to earth gravity, and a processor is adapted to calculate an angular position of the rotor blade based on said values characterized in that each electrical pitch drive system comprises a gyroscope , said gyroscope is an integrated part of the electrical pitch drive system , and the wind turbine comprises 3 rotor blades , each rotor blade being connected to its own pitch drive system and each pitch drive system includes its own gyroscope adapted to register the angle values of the connected rotor blade in relation to earth gravity, said processor is adapted to calculate the angular position of each of the rotor blades based on said values. a nacelle , as well as a hub both place on the top of a tower , said hub is adapted to rotate around an axis, and at least one rotor blade is pivotable mounted on the hub , said system comprising at least one electrical pitch drive system , each drive system is connected to a rotor blade and an electrical pitch motor ; the electrical pitch drive system(s) and the motor(s) are placed in the hub , said electrical pitch drive system(s) is/are adapted to communicate with units comprising the motor(s) for pitching the rotor blade it is attached to and in accordance with inputs registered from a first sensor and a second sensor and said electrical pitch control system further comprises at least one gyroscope placed in the hub , each electrical pitch drive system(s) and gyroscope rotate with the rotation of the rotor blades and the rotation of the hub around the axis, and are placed in a fixed distance to the axis of rotation of the hub , said gyroscope is adapted to register an angle value of the longitudinal axis of the rotor blade with respect to earth gravity, and a processor is adapted to calculate an angular position of the rotor blade based on said values characterized in that each electrical pitch drive system comprises a gyroscope , said gyroscope is an integrated part of the electrical pitch drive system , and the wind turbine comprises 3 rotor blades , each rotor blade being connected to its own pitch drive system and each pitch drive system includes its own gyroscope adapted to register the angle values of the connected rotor blade in relation to earth gravity, said processor is adapted to calculate the angular position of each of the rotor blades based on said values. <EOS>