REX010 HESG324426R0001 REG216/316*4 stator and rotor

• Compact design
• Perfectly matched for the REG216/ REG316*4
• Provides protection of the whole stator winding including the neutral point
• Continuous supervision of the injection voltage and the primary earthing system
• Suitable for two separate earthing points within the protected zone
• Continuous self-supervision of the injection signal with respect to amplitude and frequency
• Auxiliary DC power supply from station battery from 36 to 312 V DC
• Applicable for all commonly used earthingand excitation-systems for generators
• Continuous supervision of the insulation resistance and calculation of the earth fault resistance
• The principle is based on the well-known offset method, using injection of a low frequency signal
• Suitable for updating existing plants
• Insensitive to external disturbances

REX010

The unit is applied for the protection of generators in block configuration for earth faults
on the generator side. For the implementation of the 100% stator and rotor earth fault
protection using a REG216/316*4, an injection unit REX010 and the injection transformer REX011 are required. This injection
equipment can be applied to all common generator earthing- and excitation-systems.
The protection is active during all states of the machine, standstill as well as run-up and run-down.