Circuit breakers with integrated current and/or voltage sensors
A current and voltage measurement technology, applied to high-voltage air circuit breakers, switches operated by ground fault current, circuits, etc., can solve the problems of long and difficult switch board engineering, reduce user customization work, reduce engineering work, The effect of high integration
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[0024] Referring to Fig. 3, the characteristics of the circuit breaker of the present invention will be described in detail.
[0025] The integrated switch 100 protects and / or operates the power cord 10 with the primary power switch 40 . The optional implementation of the switch with extractable implementation 60 is characterized by the integration of the current 20 and / or voltage 30 measuring device into the functional unit of the switch 100 itself.
[0026] This current and voltage measurement device sends primary current and voltage representative signals 300 and 200 to the on-board switching electronics unit 50 . The electronics unit 50 acquires and processes these signals to perform protection, control, measurement, interlocking, safety and other functions at the local level by sending control and operating commands 400 to the primary switch 40 . As an option, the required information can also be forwarded to other intelligent control and protection units.
[0027] By p...
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