TEMPERATURE RISE ALARM SYSTEM FOR 6-35 kV Russian patent published in 2024 - IPC H01H69/00 H01H5/04 

FIELD: electrical engineering.

SUBSTANCE: invention relates to means of monitoring and protection against excess temperature of high-voltage buses of complete distribution devices (CDD). Temperature excess alarm system for 6–35 kV switchgear monitors the temperature of high-voltage buses in points of contact with them of the capacitive voltage divider of the voltage presence indication system, which includes electronic components and to which information processing and transmission device, as well as voltage presence indicator is connected. When the temperature exceeds the preset threshold, a thermal relay fixed on the phase conductor and connected to the capacitive divider is triggered, and voltage pulses with amplitude of several volts are generated at the output of the capacitive divider. These pulses are processed by a device for processing and transmitting information and transmitted as a signal on excess temperature to the control centre using standard information exchange protocols.

EFFECT: implementation of the purpose is provided.

1 cl, 1 dwg