Cable Voltage Drop2 کا حساب کیسے لگائیں
Cable Voltage Drop2 کیا ہے؟
Calculates voltage loss in electrical cables due to resistance. High losses reduce efficiency and can prevent motor starting.
فارمولا
Formula: voltage drop = (2 × length × current × resistance) ÷ 1000
مرحلہ وار گائیڈ
- 1Current in amperes and cable length
- 2Wire gauge (affects resistance)
- 3Formula: voltage drop = (2 × length × current × resistance) ÷ 1000
- 4Typical target <3% for power, <5% for control
- 5Higher gauge wire reduces drop exponentially
حل شدہ مثالیں
ان پٹ
100A, 50ft, 10 AWG
نتیجہ
3.2V drop
عام غلطیاں جن سے بچنا ہے
- ✕Using undersized wire to save cost
- ✕Not accounting for temperature derating
اکثر پوچھے جانے والے سوالات
Why does voltage drop matter?
Reduces equipment voltage, increases losses, causes motors to start slowly, reduces efficiency.
How much does proper wire size cost vs. undersized?
Proper size costs 10-20% more initially but saves 5-10% energy costs over life.
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