# HVDC links and Transformers and power electronics

Energy flows from HVDC links to transformers and power electronics; their prices have moved together.

Source page: https://www.materialinsights.org/links/hvdc-links-and-transformers-and-power-electronics/

[HVDC links](https://www.materialinsights.org/energy/e_hvdc/) (energy) and [Transformers and power electronics](https://www.materialinsights.org/energy/e_power_electronics/) (energy): 2 relationships.

## How they are linked

### 1. Energy flow

*Physical flow · 100% of flow · HVDC links → Transformers and power electronics*

Thyristor and transistor converters switch power between AC and DC.

- **100%** of HVDC links's energy goes this way

### 2. Price link: converter stations

*Cost and price · Strong · Both ways*

Converter stations rely on large power electronic valves and transformers. The related transformer index moves almost in step with this proxy, correlating at 0.91 for monthly moves and 0.98 for yearly moves, because both measure the same equipment market.

- **0.91** monthly change correlation
- **0.98** 12-month change correlation
- **1.03** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.