EarthingTransformerLV
Low-voltage earthing transformer with zero-sequence impedance modeling.
Supports grounding system analysis with configurable R0/X0 parameters for fault current calculations and earth fault protection coordination in asymmetrical LV distribution networks.
Inherits from: ExtrasNotesMixin, HasPresentationsMixin
Import
from pyptp.elements.lv import EarthingTransformerLVProperties
| Property | Type | Required | Default | Description |
|---|---|---|---|---|
general | General | Yes | - | |
presentations | list[ElementPresentation] | Yes | - | |
type | EarthingTransformerType | Yes | - | |
extras | list[Extra] | No | [] | |
notes | list[Note] | No | [] |
EarthingTransformerType
Zero-sequence impedance specifications for earthing transformer modeling.
Defines R0 and X0 parameters for accurate earth fault current calculations in unbalanced network analysis.
| Property | Type | Required | Default | Description |
|---|---|---|---|---|
R0 | float | No | 0.0 | |
X0 | float | No | 0.0 |
General
Core electrical and operational properties for LV earthing transformers.
Encompasses connection node, switch states, and type reference for linking to zero-sequence impedance specifications.
| Property | Type | Required | Default | Description |
|---|---|---|---|---|
node | Guid | No | Guid('00000000-0000-0000-00... | |
guid | Guid | No | (auto UUID) | |
creation_time | float | int | No | 0 | |
mutation_date | int | No | 0 | |
revision_date | float | int | No | 0.0 | |
name | str | No | "" | |
s_L1 | bool | No | True | |
s_L2 | bool | No | True | |
s_L3 | bool | No | True | |
s_N | bool | No | True | |
field_name | str | No | "" | |
earthing_transformer_type | str | No | "" |
Referenced Types
General
Core electrical and operational properties for LV earthing transformers.
Encompasses connection node, switch states, and type reference for linking to zero-sequence impedance specifications.
Defined in pyptp.elements.lv.earthing_transformer
| Property | Type | Required | Default | Description |
|---|---|---|---|---|
node | Guid | No | Guid('00000000-0000-0000-00... | |
guid | Guid | No | (auto UUID) | |
creation_time | float | int | No | 0 | |
mutation_date | int | No | 0 | |
revision_date | float | int | No | 0.0 | |
name | str | No | "" | |
s_L1 | bool | No | True | |
s_L2 | bool | No | True | |
s_L3 | bool | No | True | |
s_N | bool | No | True | |
field_name | str | No | "" | |
earthing_transformer_type | str | No | "" |
EarthingTransformerType
Zero-sequence impedance specifications for earthing transformer modeling.
Defines R0 and X0 parameters for accurate earth fault current calculations in unbalanced network analysis.
Defined in pyptp.elements.lv.earthing_transformer
| Property | Type | Required | Default | Description |
|---|---|---|---|---|
R0 | float | No | 0.0 | |
X0 | float | No | 0.0 |