Paano Kalkulahin si Harmonic Distortion
Ano ang Harmonic Distortion?
Harmonic Distortion Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Pormula
THD = √(V₂² + V₃² + ...) / V₁ × 100
Step-by-Step na Gabay
- 1Measure fundamental and harmonic voltages with power quality meter
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Mga Nalutas na Halimbawa
Input
V1=120V, V3=6V, V5=4V
Resulta
THD = √(36+16)/120 × 100 = 6.0%
Mga Karaniwang Mali na Dapat Iwasan
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
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