10-14
F650 DIGITAL BAY CONTROLLER
GEK-106310-AF
10.13 DIRECTIONAL ELEMENTS (67P, 67N, 67G, 67SG)
CHAPTER 10: COMMISSIONING
10.13 Directional elements (67P, 67N, 67G, 67SG)
In order to test directional units in the relay, instantaneous trips are commanded.
Two points are tested, per phase, test element.
In order to test the directional units, configure (in the
Setpoint > Relay Configuration > Protection Elements
screen of the
EnerVista 650 Setup program), some overcurrent element to be supervised by a directional unit. This way, if the directional
element is enabled and detects the fault in the block direction, then the overcurrent unit does not operate. If the directional
element is not enabled or if it is enabled and it detects a fault in a trip direction, then the overcurrent unit operates if the set
current level is exceeded.
10.13.1 67P element
Activate only protection elements 50PH and 67P and set the relay as follows:
Configure one of the outputs to be activated only by unit 50PH.
Apply the following tests:
10.13.2 67N element
Activate only protection elements 50N and 67N and set the relay as follows:
Configure one of the outputs to be activated only by unit 50G
.
67P Settings
50PH Settings
Function
ENABLED
Function
ENABLED
MTA
45 Deg
Input
PHASOR (DFT)
Direction
FORWARD
Pickup Level
0.50 A
Block Logic
PERMISSION
Trip Delay
0.30
Pol V Threshold
30 V
Reset Delay
0.00
Elements
Phase under test
Polarization Phase
Element trip
Channel
Magnitude
Channel
Magnitude
Mod
Arg
Mod
Arg
50PH/67P
IA
2 A
0º
VIII
60 V
0º
NO
60 V
180º
YES
IB
2 A
0º
VI
60 V
0º
NO
60 V
180º
YES
IC
2 A
0º
VII
60 V
0º
NO
60 V
180º
YES
67N Settings
50N Settings
Function
ENABLED
Function
ENABLED
MTA
-45 Deg
Input
PHASOR (DFT)
Direction
FORWARD
Pickup Level
0.50 A
Polarization
VO
Trip Delay
0.30
Block Logic
PERMISSION
Reset Delay
0.00
Pol V Threshold
10 V
Summary of Contents for F650
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