Definition
The reverse-direction voltage applied across an electrical component such as a diode or rectifier. It is the voltage that pushes against the component's normal forward direction of current flow. Components are rated for a maximum inverse voltage they can withstand before breaking down.
Plain English
Voltage applied to a part the wrong way — pushing against its normal direction of flow. Every part has a limit to how much of this backwards push it can take before it fails.
Context Anchor
Seen in aircraft electrical system discussions, especially with alternators, rectifiers, and charging-system troubleshooting.
Derivation
From Latin inversus, meaning 'turned around' or 'reversed.' Here it describes voltage applied in the reversed direction relative to a component's intended flow.
Why Pilots Care
Diodes and rectifiers in aircraft electrical systems (alternators, voltage regulators) are rated for a peak inverse voltage. Exceeding it causes the component to break down and can lead to electrical system failures.
Analogy
Think of a one-way door. Normal voltage pushes it from the side where it opens; inverse voltage pushes from the side where it is supposed to stay shut.
Grounding Statement
Inverse voltage is reverse-direction voltage across a part that is designed to pass current mainly one way.
Intuition Check
Inverse voltage does not mean “one divided by voltage.” Here, inverse means reverse polarity: the voltage is applied in the opposite direction from normal current flow.
Example Sentence 1
The diode failed because the inverse voltage during the surge exceeded its rated limit.
Example Sentence 2
Technicians select diodes whose peak inverse voltage rating exceeds the highest reverse voltage expected in the aircraft electrical system.