Teleprotection - GE L60 Instruction Manual

INPUTS/OUTPUTS
In this architecture, Devices 1 and 3 do not communicate directly. Therefore, Device 2 must act as a 'bridge'. The following
settings are applied:
UR IEC 1:
DIRECT OUT 2 OPERAND
DIRECT INPUT 5 DEVICE ID
DIRECT INPUT 5 BIT NUMBER
DIRECT INPUT 6 DEVICE ID
DIRECT INPUT 6 BIT NUMBER
UR IED 3:
DIRECT OUT 2 OPERAND
DIRECT INPUT 5 DEVICE ID
DIRECT INPUT 5 BIT NUMBER
DIRECT INPUT 6 DEVICE ID
DIRECT INPUT 6 BIT NUMBER
UR IED 2:
DIRECT INPUT 5 DEVICE ID
DIRECT INPUT 5 BIT NUMBER
DIRECT INPUT 6 DEVICE ID
DIRECT INPUT 6 BIT NUMBER
DIRECT OUT 2 OPERAND
DIRECT OUT 3 OPERAND
DIRECT OUT 4 OPERAND
The figure shows the signal flow among the three IEDs.
5
In three-terminal applications, both the remote terminals must grant permission to trip. Therefore, at each terminal, direct
inputs 5 and 6 are ANDed in FlexLogic and the resulting operand configured as the permission to trip (
setting).

5.8.7 Teleprotection

5.8.7.1 Overview
The relay provides 16 teleprotection inputs on communications channel 1 (numbered 1-1 through 1-16) and 16
teleprotection inputs on communications channel 2 (on two-terminals two-channel and three-terminal systems only,
numbered 2-1 through 2-16). The remote relay connected to channels 1 and 2 of the local relay is programmed by
assigning FlexLogic operands to be sent via the selected communications channel. This allows the user to create
5-348
: "HYB POTT
TX1"
: "2"
: "2" (this is a message from IED 2)
: "2"
: "4" (effectively, this is a message from IED 3)
: "HYB POTT
TX1"
: "2"
: "2" (this is a message from IED 2)
: "2"
: "3" (effectively, this is a message from IED 1)
: "1"
: "2"
: "3"
: "2"
: "HYB POTT
TX1"
: "DIRECT INPUT 5" (forward a message from 1 to 3)
: "DIRECT INPUT 6" (forward a message from 3 to 1)
Figure 5-199: Signal flow for direct input and output
L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
HYB POTT RX1