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Parameter tab of 27-UV Relay
| Name | Description | Unit | Sample value | |
|---|---|---|---|---|
| Level 1 | pu or V | Undervoltage level 1 | 0.8 | |
| Level 2 | pu or V | Undervoltage level 2 | 0.7 | |
| Level 3 | pu or V | Undervoltage level 3 | 0.6 | |
| Level 4 | pu or V | Undervoltage level 4 | 0.5 | |
| Level 5 | pu or V | Undervoltage level 5 | 0.4 | |
| Time 1 | sec | Time delay associated with level 1 | 1.0 | |
| Time 2 | sec | Time delay associated with level 2 | 0.5 | |
| Time 3 | sec | Time delay associated with level 3 | 0.4 | |
| Time 4 | sec | Time delay associated with level 4 | 0.3 | |
| Time 5 | sec | Time delay associated with level 5 | 0.2 | |
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