| 1. | A design of switching power for novel power factor correction
新型功率因素校正电路的开关电源设计方案 |
| 2. | Single - phase transformers up to 600 va , 5060 hz , unity power factor
600伏安以内、 5060赫兹、功率因素为1的单相变压器； |
| 3. | Power factor accuracy
功率因素准确度 |
| 4. | Single - phase transformers up to 600 va , 5060 hz , unity power factor and tests for transformer ( up to ip4x )
600伏安以内、 5060赫兹、功率因素为1及测试变压器用（ ip4x以内）的单相变压器； |
| 5. | This product uses a capacious reactor to raise the power factor and increase the effectiveness of electrical energy
本产品为容性阻抗，可提高功率因素，有利于电能的利用，最大的功耗不大于0 . 04w |
| 6. | Capacitor for electric induction heating system is applied to medium frequency electric induction heating system for improving power factor and loop quality
电热电容器主要用于中频感应加热电气系统中，提高功率因素或改善回路特性。 |
| 7. | The agilent 6811b is ideal for applications such as power supply testing , ups testing , avionics ate , the testing of power factor corrected equipment and devices
Agilent 6811b是适于多种应用，如电源测试ups测试航空ate的理想仪器，可测试经功率因素校正的设备和部件。 |
| 8. | The dissertation concludes all kinds of main character in the state of power theft through these stealing power means , puts forwards all kinds of countermeasure against power theft , at the same time , calculates the loss electric energy
从理论上分析了各类窃电方法引起的电压、电流和功率因素变化，从而提出了检测窃电方法和窃电判据，为迅速准确判断窃电行为和电量追算提供了理论保证。 |
| 9. | This design is simple and flexible , the parameters of spwm are adjustable , and the sine output is quality . in order to reduce emi , pfc is designed which eliminate the disturb to power net and itself . the design adopts the normative procedure
为了减少开关电源的emi ，还设计了非连续导电模式的pfc功率因素校正电路，不但减少了因高频开关斩波对电网不良影响，还降低了对仪器本身的干扰。 |
| 10. | The generators are of three - phase four - wire type , making use of star connection with neutral point . the rated line voltage is 400v . phase voltage 230v . frequency 50hz , power factor 0 . 8 ( lag ) . it can provide 60hz and the other voltage ' s generator according to necessary
本发电机为三相四线制，采用带有中性点的星接法，额定电压为400伏，相电压为230伏，频率50赫，功率因素0 . 8 （滞后）根据用户需要，也可提供60赫及其它电压值的发电机。 |
