| 1. | Detect non - linear load active power in circuit 非线性负载有功功率检测原理 |
| 2. | Note 1 single display the three phase total active power 注1 :单屏显示三相总有功功率。 |
| 3. | A new method of measure for work power of three electric circuit 三相电路有功功率测量新方法 |
| 4. | Intelligent three phase ac active reactive power instrument 智能三相交流有功功率无功功率仪表 |
| 5. | Ac tri - phase active power meter note1 交流三相有功功率表注1 |
| 6. | Factors affecting ball mill s active power and grinding efficiency 球磨机有功功率和磨矿效率影响因素研究 |
| 7. | The power factor ( pf ) is the ratio of average power to apparent power 功率因数是有功功率与视在功率之比。 |
| 8. | Active power relay 有功功率继电器 |
| 9. | C - phase active power C相有功功率 |
| 10. | B - phase active power B相有功功率 |