Alternating-Current Power Systems
Electrical generation, transformers, and transmission systems using alternating current for efficient voltage transformation and long-distance power distribution.
Core metadata
- ID: alternating_current_power
- Era: Industrial
- First known date: 1886 (decade)
- Region: Europe and United States
- Review status: source_checked
- Maturity: established
Prerequisites
- Dynamo (dynamo)
- Electrical Grid (Early Distribution) (electrical_grid_early_distribution)
- Electricity (electricity)
- Power Transformers (power_transformers)
Dependents
- Electric Power Meters (electric_power_meters)
- Electrical Substations (electrical_substations)
- High-Voltage Transmission (high_voltage_transmission)
Fields
Field lanes
- Energy Systems & Grid: Grid & Transmission
Node sources
- Alternating Current (Encyclopaedia Britannica, 2026, textbook) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 4
- Average edge confidence: 74%
- Prerequisite sources: 4
- textbook: 4
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Electricity (electricity) | enabling | 74% | textbook | Alternating current is a form of electrical power, so the electricity node is a direct enabling foundation. |
|
| Electrical Grid (Early Distribution) (electrical_grid_early_distribution) | historical_predecessor | 72% | textbook | Early electrical distribution supplied the deployment context that AC systems improved through voltage transformation and long-distance transmission. |
|
| Power Transformers (power_transformers) | required | 82% | textbook | Voltage transformation is the central scaling advantage of AC power transmission. |
|
| Dynamo (dynamo) | enabling | 70% | textbook | AC power systems require generators or alternators to supply network-scale alternating current. |
|
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