Interactive Lab: National Grid

Mr Vilchez Science

Grid Physics Engine

Step-Up Transformer Voltage Setting

25,000 V400,000 V

25 kVTransmission Potential Difference

Power Station
Gen: 25kV

Step UpTransformer

OUT: 10 MW

Town / Homes
Use: 230V

Step DownTransformer

REC: 6.80 MW

Transmission Current (I)I = Power ÷ Voltage

400.00 A

Thermal Friction Loss$P_{loss}$ = $I^2 \times R$

3200.0 kW

Total System EfficiencyWarning: Extremely inefficient! Low Voltage → Massive $I^2R$ power loss to atmosphere!

68.0%