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ABB REL 505-C1 2.3 Series - Testing Distance Protection Interaction

ABB REL 505-C1 2.3 Series
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101
Two step time delayed directional phase
overcurrent protection (TOC3)
Chapter 10
Verifying settings by secondary
injection
2. Slowly decrease the impedance angle to find the operating
value according to figure 9.
3. Compare the result of the measurement with the set value.
19.2 Completing the test
Continue to test another function or complete the test by setting the test mode to off.

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