Description - GE T60 Instruction Manual

PRODUCT DESCRIPTION
also supports the Parallel Redundancy Protocol (PRP) of IEC 62439-3 (clause 4, 2012) when purchased as an option.
Secure Routable GOOSE (R-GOOSE) is supported with software options.
Settings and actual values can be accessed from the front panel or EnerVista software.
The T60 uses flash memory technology that allows field upgrading as new features are added. Firmware and software are
upgradable.
The following single-line diagram illustrates the relay functionality using American National Standards Institute (ANSI)
device numbers.
2
Table 2-1: ANSI device numbers and functions supported
Device Function
number
21G Ground distance
21P Phase distance
24 Volts per hertz
25 Synchrocheck
27P Phase undervoltage
27X Auxiliary undervoltage
32 Sensitive directional power
49 Thermal overload protection
50/87 Instantaneous differential overcurrent
50BF Breaker failure
50G Ground instantaneous overcurrent
50N Neutral instantaneous overcurrent
50P Phase instantaneous overcurrent
50_2 Negative-sequence instantaneous overcurrent
51G Ground time overcurrent
51N Neutral time overcurrent
2-2
CHAPTER 2: PRODUCT DESCRIPTION
Device Function
number
51P Phase time overcurrent
51_2 Negative-sequence time overcurrent
59N Neutral overvoltage
59P Phase overvoltage
59X Auxiliary overvoltage
59_2 Negative-sequence overvoltage
67N Neutral directional overcurrent
67P Phase directional overcurrent
67_2 Negative-sequence directional overcurrent
68 Power swing blocking
78 Out-of-step tripping
81O Overfrequency
81R Rate of change frequency
81U Underfrequency
87RGF Restricted ground fault
87T Transformer differential
T60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL