Generator Protection

Multilin devices provide innovative solutions for the protection, control and monitoring of generator assets.

Typical applications

Select a typical application to view the associated one line diagram, functions, and product order codes.

Direct Connection - Low Impedance Grounding
typical diagram

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
  
FunctionsTypical Product Order Code
Typical Functions
+ Additional Functions
Lockout - Standalone Integrated

Unit Connected - High Impedance Grounding
Typical diagram

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
 
FunctionsTypical Product Order Code
Typical Functions
+ Additional Functions
Lockout - Standalone Integrated

Hydro With Parallel Branch Winding
Typical Diagram

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
 
FunctionsTypical Product Order Code
Typical Functions
+ Additional Functions
Lockout - Standalone Integrated

Pumped Storage
Typical diagram

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
 
FunctionsTypical Product Order Code
Typical Functions
+ Additional Functions
Lockout - Standalone Integrated

In-Zone Transformer
Typical diagram

Typical Functions

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