वोल्टेज ड्रॉप कैलकुलेटर
तारों पर वोल्टेज हानि की गणना करके वायरिंग सुरक्षा और अनुपालन सुनिश्चित करें।
वोल्टेज ड्रॉप कैसे काम करता है
Electrical current moving through wire experiences friction (resistance), which causes heat generation and drops voltage. Sizing cables properly ensures safety and prevents machinery damage.
Calculations are based on one-way distance in single-phase systems (incorporating 2 runs of wire). Conductor size is measured in AWG (American Wire Gauge), and resistivity constant K is specified at 75°C.
Voltage Drop (Vd) = (2 × K × I × L) ÷ AreaPercentage Loss = (Vd ÷ Source Voltage) × 100K is the resistivity constant (Cu = 12.9, Al = 21.2); Area is circular mils.
वोल्टेज ड्रॉप रूपांतरण तालिका
| Wire Size (AWG)↕ | Voltage Drop (V)↕ | Percentage Loss (%)↕ | Terminal Voltage (V)↕ |
|---|---|---|---|
| 14 AWG | 9.42 V | 7.85 % | 110.58 V |
| 12 AWG | 5.93 V | 4.94 % | 114.07 V |
| 10 AWG | 3.73 V | 3.11 % | 116.27 V |
| 8 AWG | 2.34 V | 1.95 % | 117.66 V |
| 6 AWG | 1.47 V | 1.23 % | 118.53 V |
अक्सर पूछे जाने वाले प्रश्न: वोल्टेज ड्रॉप
What is acceptable voltage drop?
In general, the National Electrical Code (NEC) recommends a maximum voltage drop of 3% across branch circuits, and 5% total across both feeder and branch circuits for optimal performance.
Why is copper better than aluminum for voltage drop?
Copper has a lower resistivity constant (12.9) compared to aluminum (21.2). This means copper conducts electricity with less friction and results in lower voltage drop for the same wire thickness.