功率、电能和功率因数
- 功率 (PQS)典型的交流电力系统负荷均具有阻性负载组件和无功（电感或电容）组件。阻性负载消耗真实功率 (P)，无功负载消耗无功功率 (Q)。
- 已交付的电能（输入）/已接收的电能（输出）测量仪根据真实功率 (P) 流的方向来解释流出电能（输入）或流入电能（输出）。
- 功率因数 (PF)功率因数 (PF) 是真实功率 (P) 与视在功率 (S) 之比。
- 功率因数寄存器格式测量仪可对 PF 值执行简单的算法，然后将其存储在 PF 寄存器中。
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