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Force Vs Displacement
The Force vs. Displacement System is used for finding assembly defects in fully assembled circuit breaker interrupters. The moving contact of the circuit breaker interrupter is set in motion by the system, with respect to the fixed contact and the reactive force exerted by the fixed contact on the moving contact is measured. A graph of Force vs. Displacement characteristic is plotted by the system. The signature characteristics of every circuit breaker design type are available in the system database and the system software benchmarks the acquired characteristic against those in the database. The defects in mechanical assembly show up as deviations from the typical force values. This helps the user to identify defects in specific zones of assembly as well as alignment errors.
 

Measurements

  • Measurement of force
  • Measurement of displacement
  • Measurement of deviation of force
  • Detection of excessive reactive force
 

Controlled Parameters

  • Displacement
  • Displacement rate
 

Features

  • Precise displacement control by using DC motor-controlled linear actuator
  • Precise displacement measurement by using high-resolution conductive plastic linear transducer
  • Quick-acting load cell for measurement of force exerted during motion of contact
  • Self-contained system with motor driving electronics, test fixture and measuring hardware
  • Wide range of interrupters, ranging from 66 kV to 400 kV can be tested using adapter flanges and linkage sets
  • Mechanical and electrical interlocks to prevent displacement overshoots
  • The height of the test system is adjustable which allows interrupters to be tested at the assembly location itself
  • Windows based Test Manager Software allows storing test setups, viewing reports, and analyzing and handling graphical test data using a PC
 

Clients

Siemens