Typical applications
Select a typical application to view the associated one line diagram, functions, and product order codes.
Direct Connection - Low Impedance Grounding

Typical Functions
87G 87RGF 40 32R 51V 39 49 | Generator Stator differential Restricted ground fault Loss of excitation Reverse Power Voltage restrained overcurrent Vibration Thermal Overload |
Functions | Typical Product Order Code |
---|---|
Typical Functions | |
+ Additional Functions | |
Lockout - Standalone Integrated |
Unit Connected - High Impedance Grounding

Typical Functions
87G 27TN/59N 40 32R 21P 39 49 | Generator Stator differential 100% Stator Earth Fault Loss of excitation Reverse Power Phase Distance Vibration Thermal Overload |
Functions | Typical Product Order Code |
---|---|
Typical Functions | |
+ Additional Functions | |
Lockout - Standalone Integrated |
Hydro With Parallel Branch Winding

Typical Functions
87G 60SP 40 32R 21P 39 49 | Generator Stator differential Split phase protection Loss of excitation Reverse Power Voltage restrained overcurrent Vibration Thermal Overload |
Functions | Typical Product Order Code |
---|---|
Typical Functions | |
+ Additional Functions | |
Lockout - Standalone Integrated |
Pumped Storage

Typical Functions
87G 27TN/59N 40 32R 21P 39 49 | Generator Stator differential 100% Stator Ground Loss of excitation Reverse Power Phase Distance Vibration Thermal Overload |
Functions | Typical Product Order Code |
---|---|
Typical Functions | |
+ Additional Functions | |
Lockout - Standalone Integrated |
In-Zone Transformer

Typical Functions
87GT 27TN 40 32R 39 49 | Generator Transformer differential 3rd Harmonic Neutral Undervoltage Loss of excitation Reverse Power Vibration Thermal Overload |
Functions | Typical Product Order Code |
---|---|
Typical Functions | |
+ Additional Functions | |
Lockout - Standalone Integrated |