Parallel Inductor Calculator

Parallel Inductance Formula:

\[ \frac{1}{L_{total}} = \sum \frac{1}{L} \]

Total Inductance (Lₜ):

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1. What is a Parallel Inductor Calculator?

Definition: This calculator determines the total inductance of inductors connected in parallel in an electrical circuit.

Purpose: It helps electronics engineers, technicians, and hobbyists calculate equivalent inductance for circuit design and analysis.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \frac{1}{L_{total}} = \frac{1}{L_1} + \frac{1}{L_2} + \frac{1}{L_3} + \cdots \]

Where:

\( L_{total} \) — Total equivalent inductance (henrys)
\( L_1, L_2, L_3 \) — Individual inductances (henrys)

Explanation: The reciprocal of the total inductance equals the sum of reciprocals of individual inductances.

3. Importance of Parallel Inductance Calculation

Details: Proper calculation ensures correct circuit behavior, prevents component overload, and helps in designing filters and energy storage systems.

4. Using the Calculator

Tips: Enter at least two inductor values (required). The third inductor is optional. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What happens when inductors are in parallel?
A: The total inductance decreases, similar to parallel resistors, following the reciprocal sum formula.

Q2: What's the unit of inductance?
A: The standard unit is the henry (H), though millihenry (mH) and microhenry (μH) are commonly used.

Q3: Can I add more than three inductors?
A: Yes, the same formula applies. Just add more reciprocal terms for each additional inductor.

Q4: What if one inductor is 0H?
A: The calculator requires positive values. Zero inductance would theoretically make total inductance zero.

Q5: Does mutual inductance affect the calculation?
A: This calculator assumes no mutual inductance. If inductors are coupled, additional factors must be considered.