如何计算Power Factor
learn.whatIsHeading
Power Factor Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
公式
PF = Real Power (kW) / Apparent Power (kVA)
分步指南
- 1Measure real power and apparent power with meter
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
例题解析
输入
80 kW real, 100 kVA apparent
结果
PF = 80/100 = 0.80 (80%)
常见错误注意事项
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
准备好计算了吗？尝试免费的 Power Factor 计算器
自己尝试一下 →