Electrical Engineering › Section E · Methods of analysis (dc) › Topic E.5
Bridge networks and Y-delta conversions
The bridge is the classic network that no series or parallel step can simplify. It is also one of the most useful circuits in measurement. This topic analyses bridges, states the balance condition behind the Wheatstone bridge, and introduces the Y-delta conversions that turn a bridge back into a series-parallel network.
In this topic
- A network that will not reduce
- The bridge network
- Worked example: an unbalanced bridge
- The balance condition
- The Wheatstone bridge
- Delta and Y networks
- The conversion formulas
- Worked example: removing the bridge by conversion
- Common mistakes to avoid
- Key takeaways
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