GE L60 Instructions Manual page 563
Line phase comparison system
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Also See for L60:
- Instruction manual (736 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (498 pages)
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CHAPTER 5: SETTINGS
In runtime, AR mode can be changed through the mode control logic as shown in the following diagram. Initially, the
autorecloser runs in the mode as per
pass. The AR mode is switched to the new mode when
•
Only one of four activation inputs is high, and
•
operand is low, and
AP RIP
•
The mode to be activated is different from the current AR mode
The logic allows activation of one mode at a time. Simultaneous multiple activations are ignored and mode switching does
not happen. However, a FlexLogic operand,
initiated, or a single activation is initiated but recloser is already in progress.
L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUAL
Figure 5-199: Single-pole autoreclose logic (Sheet 1 of 3)
setting. Then the relay checks the AR activation inputs in each protection
AR MODE
FAIL, is asserted if either simultaneous multiple activations are
AR MODE SWITCH
CONTROL ELEMENTS
5
5-355
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