13/18 11.6 Synchro('sinkrau],同步运转的)Position Repeater Systems o2 8o1 All units hove same (60 Hz,110 v)rotor excitation One transmitter driving several receivers Both transmitters have same Stator -Rotor rotor excitotion 8。=n-82 Transmitter Transmitter 2 Differential Comparison of angles Figure 11.11b Tourque-Synchro Angle Transmission 14/18 11.7 Slip Rings and Rotary Transformers Insulator- Flat or grooved Conductor slip ring When transducers must be mounted on the rotating members of machines, Block-type brushes Wire-type brushes some means must be provided to bring excitation power into the transducer and to take away the output signal. Continuous high-speed rotation requires slip rings,radio telemetry,or Bidirectional rotation some form of magnetic coupling between rotating and stationary parts. Fig.11.12 Common Forms of Slip Ring Configurations Pancake type11.6 Synchro ([ˈsinkrəu],同步运转的) Position Repeater Systems Figure 11.11b Tourque-Synchro Angle Transmission 13/18 11.7 Slip Rings and Rotary Transformers z When transducers must be mounted on the rotating members of machines, some means must be provided to bring excitation power into the transducer and to take away the output signal. z Continuous high-speed rotation requires slip rings, radio telemetry, or some form of magnetic coupling between rotating and stationary parts. Fig. 11.12 Common Forms of Slip Ring Configurations 14/18