Integrator for protective relay
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United States of America Patent
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Jun 18, 2024
Grant Date -
Dec 14, 2023
app pub date -
Jun 9, 2022
filing date -
Jun 9, 2022
priority date (Note) -
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Abstract
An integrator for monitoring at least one parameter of an electrical signal in an electrical conductor in protective relay application. The integrator includes an integrator circuit having an input for receiving a signal from a current sensor coupled to the electrical conductor. A switch circuit has an input coupled to the output of the integrator circuit, wherein the switch circuit is controlled by the output of a temperature detection circuit. A power stage circuit has an input coupled to the output of the switch circuit, wherein the temperature detection circuit is coupled to a heating element of the power stage circuit through a temperature sensor, and the heating element is attached to a channel-shaped heatsink for heat dissipation.
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