Airgap Flux Probe for Rotor Interturn Short Circuit Detection of Hydro Generators, Turbo Generators and High Voltage Machines.
The ASCT 5015 Magnetic Flux Sensor is one of the ASC family of airgap search coils used to detect faults in the rotor winding insulation of hydro generators, turbo generators and high voltage machines .
The body is made out of fibeglass and the sensing element is encapsulated within high temperature epoxy resin. The ASCT-5015 Magnetic Flux Sensor is only 2mm thick and is especially designed for machines with very small airgaps.
The high temperature integrated signal cable consists of a 10cm 1.6mm think cable, extended by a shielded signal cable with different available lengths. The probe is installed on the stator tooth within the airgap between rotor and stator. The integrated small high temperature cable allows an easy routing outside of the machine. The open wire design allows cables to be laid trough the ventilation holes instead of passing it through the end winding section.
The Probe measures the variation of the magnetic flux created from each rotor coil. It withstands up to 2 tesla and is designed to operate for more than 155°C. The high temperature signal cable can be permanently used for up to 155 °C. If longer signal cables than 10m are required, the probe signal can be buffered with a signal driver.