Overview
The “Instantaneous three phase overcurrent (PHPIOC)” function has a low transient overreach and short tripping time to allow use as a high set short-circuit protection function.
For more detailed information on “Instantaneous three phase overcurrent (PHPIOC)” function, refer to ABB, Relion 670 Series manuals.
To see other supported functions, click here.
PHPIOC Identification
| Function description | IEC 61850 identification |
IEC 60617 identification |
ANSI/IEEE C37.2 device number |
| Instantaneous phase overcurrent protection | PHPIOC | 3I>> | 50 |
Signals & Setting Parameters
PHPIOC function block
PHPIOC Input signals
| PHPIOC Input signals | |||
| Name | Type | Default | Description |
| I3P | GROUP SIGNAL | – | Three phase current |
| BLOCK | BOOLEAN | 0 | Block of function |
| ENMULT | BOOLEAN | 0 | Enable current start value multiplier |
PHPIOC Output signals
| PHPIOC Output signals | |||
| Name | Type | Description | |
| TRIP | BOOLEAN | Trip signal from any phase | |
| TRL1 | BOOLEAN | Trip signal from phase L1 | |
| TRL2 | BOOLEAN | Trip signal from phase L2 | |
| TRL3 | BOOLEAN | Trip signal from phase L3 | |
PHPIOC Group settings (basic)
| PHPIOC Group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| Operation | Off On |
– | – | Off | Operation Off / On |
| OpMode | 2 out of 3 1 out of 3 |
– | – | 1 out of 3 | Select operation mode 2-out of 3 / 1- out of 3 |
| IP>> | 5 – 2500 | %IB | 1 | 200 | Operate phase current level in % of IBase |
PHPIOC Group settings (advanced)
| PHPIOC Group settings (advanced) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| IP>>Min | 5 – 2500 | %IB | 1 | 5 | Minimum used operate phase current level in % of IBase, if IP>> is less than IP>>Min then IP>> is set to IP>>Min |
| IP>>Max | 5 – 2500 | %IB | 1 | 2500 | Maximum used operate phase current level in % of IBase, if IP>> is greater than IP>>Max then IP>> is set to IP>>Max |
| StValMult | 0.5 – 5.0 | – | 0.1 | 1.0 | Multiplier for operate current level |
PHPIOC Non group settings (basic)
| PHPIOC Non group settings (basic) | |||||
| Name | Values (Range) | Unit | Step | Default | Description |
| GlobalBaseSel | 1 – 12 | – | 1 | 1 | Selection of one of the Global Base Value groups |
PHPIOC Monitored data
| PHPIOC Monitored data | ||||
| Name | Type | Values (Range) | Unit | Description |
| IL1 | REAL | – | A | Current in phase L1 |
| IL2 | REAL | – | A | Current in phase L2 |
| IL3 | REAL | – | A | Current in phase L3 |
Logics & highlights
Logic for limitation of used operation current value
