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.

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	G30-H00-HCH-F8L-H6A-M8N-PXX-UXX-WXX 489-P5-HI-A20-E
+ Additional Functions	G30-H00-HCH-F8L-H6A-M8N-P5C-U5F-WXX 489-P5-HI-A20-E
Lockout - Standalone Integrated	HEA61-A-RU-220-X2 G30-H00-HCH-F8L-H6A-M8N-P5C-U5F-W4L

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	G60-H00-HCH-F8L-H6A-M8N-PXX-UXX-WXX 489-P5-HI-A20-E
+ Additional Functions	G60-H00-HCH-F8L-H6A-M8N-P5C-U5F-WXX 489-P5-HI-A20-E
Lockout - Standalone Integrated	HEA61-A-RU-220-X2 G60-H00-HCH-F8L-H6A-M8N-P5C-U5F-W4L

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	G60-K00-HCH-F8L-H6A-M8N-PXX-UXX-WXX
+ Additional Functions	G60-K00-HCH-F8L-H6A-M8N-P5C-U5F-WXX
Lockout - Standalone Integrated	HEA61-A-RU-220-X2 G60-K00-HCH-F8L-H6A-M8N-P5C-U5F-W4L

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	G60-K00-HCH-F8L-H6A-M8N-PXX-UXX-WXX
+ Additional Functions	G60-K00-HCH-F8L-H6A-M8N-P5C-U5F-WXX
Lockout - Standalone Integrated	HEA61-A-RU-220-X2 G60-K00-HCH-F8L-H6A-M8N-P5C-U5F-W4L

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	G30-K00-HCH-F8L-H6A-M8N-PXX-UXX-WXX
+ Additional Functions	G30-K00-HCH-F8L-H6A-M8N-P5C-U5F-WXX
Lockout - Standalone Integrated	HEA61-A-RU-220-X2 G30-K00-HCH-F8L-H6A-M8N-P5C-U5F-W4L