Torque Synchro Chain - Basic Principles

hello Atif,

in general synchros transmit data from one place to another using transmitters and receivers.

torque synchro chains are basically deployed for fine movements or producing very small torques, as in your pointer movements in measuring devices etc.

so the basic principle here is of the rotary transformer. Current is fed to both the Transmitter and the Receiver from the same source .

the torque, as you know, is produced by the interaction of 2 fields - the stator field and the rotor field. and when the rotors are aligned the torque sums up to Zero.when the windings are in a perfect alignment maximum voltage will be induced in the secondary wndgs of the transformer, if the windngs are perpendicular to each other voltage will be zero otherwise the voltage will vary from zero to max.. so it forms a sine wave like pattern.