Selector Switch - GE C70 Instruction Manual

Capacitor bank protection and control system
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CONTROL ELEMENTS
SETTING GROUPS FUNCTION
activated. The default setting group is forced active while the
SETTING GROUPS BLK —
can be useful in applications where it is undesirable to change the settings under certain conditions, such as during a
control sequence.
GROUP 2 ACTIVATE ON
group active for use by any grouped element. A priority scheme ensures that only one group is active at a given time — the
highest-numbered group that is activated by its
There is no activate on setting for group 1 (the default active group), because group 1 automatically becomes active if no
other group is active.
SETTING GROUP 1 NAME
Once programmed, this name appears on the second line of the
The relay can be set up via a FlexLogic equation to receive requests to activate or de-activate a particular non-default
settings group. The following FlexLogic equation (see the following figure) illustrates requests via remote communications
(for example,
VIRTUAL INPUT 1 ON
settings group, and requests from several overcurrent pickup measuring elements to inhibit the use of the particular
settings group. The assigned
5
10
A setting group selection can also be made by the IEC 61850 MMS service SelectActiveSG to the control block @Master/
LLN0.SGCB. The priority scheme mentioned makes active the highest numbered group selected by SelectActiveSG or the
GROUP ACTIVATE ON
selection is received, the
The most recent SelectActiveSG selection is preserved while the UR is powered down or reset.
If it becomes necessary to cancel the SelectActiveSG selection without using a SelectActiveSG service request, change the
SETTING GROUPS FUNCTION

5.8.4 Selector switch

SETTINGS  CONTROL ELEMENTS  SELECTOR SWITCH  SELECTOR SWITCH 1(2)
 SELECTOR SWITCH 1
5-220
— When Enabled, allows setting groups other than group 1 (the default active group) to be
Prevents the active setting group from changing when the selected FlexLogic operand is "On." This
to
— Selects a FlexLogic operand which, when set, makes the particular setting
GROUP 6 ACTIVATE ON
to
SETTING GROUP 6 NAME
) or from a local contact input (for example,
operand is used to control the "On" state of a particular settings group.
VIRTUAL OUTPUT 1
Figure 5-114: Example of FlexLogic control of a setting group
1
VIRT IP 1 ON (VI1)
2
CONT IP 1 ON (H5A)
3
OR (2)
4
PHASE TOC1 PKP
5
NOT
6
PHASE TOC2 PKP
7
NOT
8
AND (3)
9
= VIRT OP 1 (VO1)
END
settings. The SelectActiveSG selection has a default value of 1, so until a higher SelectActiveSG
settings control the active group.
GROUP ACTIVATE ON
setting to Disabled. This resets the SelectActiveSG selection to 1.
SELECTOR 1 FUNCTION:
Disabled
SELECTOR 1 FULL
RANGE: 7
SETTING GROUPS FUNCTION
parameter takes priority over the lower-numbered groups.
ACTIVATE ON
— Allows the user to assign a name to each of the six settings groups.
GROUPED ELEMENTS  SETTING GROUP 1(6)
CONTACT IP 1 ON
OR (2)
AND (3)
Range: Disabled, Enabled
Range: 1 to 7 in steps of 1
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
setting is Disabled.
menu display.
) to initiate the use of a particular
= VIRT OP 1 (VO1)
842789A1.CDR

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