A METHOD FOR ELECTRIC LEAKAGE SAFETY OF AN ELECTRIC MOTOR, AND A PROTECTION SYSTEM
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United States of America
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Dec 26, 2024
app pub date -
Sep 20, 2022
filing date -
Sep 20, 2022
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Abstract
The present invention relates a method (200) for electric leakage safety of an electric motor (101) immersed in water and being connected to a power supply (102), wherein the method (200) uses a protection system (103). The protection system (103) comprises a sensor arrangement (104) and a control unit (105) operable to receive a sensor signal SS from the sensor arrangement. The control unit (105) is further operable to control the power supply (102) connected to the electric motor (101) by means of a control signal CS. The method (200) comprises connecting (201) the power supply to the electric motor, measuring 202 with the sensor arrangement the electrical potential. and disconnecting (203) the power supply from the immersed electric motor by means of said control signal CS when the electric potential is above. or equal to. a threshold value indicative of an electric leakage. The present invention also relates to a protection system.
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