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Running costs are low as a result of features such as sleep mode, progressive switching frequency and power factor correction
具有睡眠模式、渐进式开关频率和功率因数修正等功能,运行成本低
Power factor correction reduces voltage/current phase difference
功率因数修正降低电压/电流相位差
A single-phase half-bridge switch mode rectifier is presented to draw a sinusoidal line current, to achieve power factor correction and to maintain the DC-link voltage constant.
介绍了绘制正弦线电流的开关模式单相半控桥整流器,用它来获得功率因数补偿并保持直流环节电压的恒定。
10.6.9 The overall power factor of the electrical equipment shall not be less than 0.85 lagging at the operating conditions otherwise Approved suitable power factor correction facilities shall be provided to improve the power factor to the required standard at the Contractor's own expense.
In addition, our solution is better than 0.9 power factor correction, need a few external components.
此外,我们的解决方案还具有优于0.9的功率因数修正,需要极少的外部元件。
active power factor correction
主动功率因数修正
Unfortunately, the way many lighting manufacturers implement inductive loads severely reduces the efficiency of the lighting system. In many cases, they just don't realize that power factor correction can solve these problems in an easy and inexpensive way.
Units with active power factor correction circuitry can have very good power factor like 0.98. Essentially a front end converter is used in boost mode to make the line current draw mimic the line voltage, dramatically increasing the power factor.
There are many ways to build a lighting system, and an excellent design can directly improve energy efficiency and save material costs. Today's lighting industry is gradually changing from 240V to 277V to improve efficiency. So now is the power factor correction (Power
Demo Board designed to demonstrate the performance of the IF1150S control IC in a 300W continuous conduction mode boost converter for power factor correction
演示板设计用于演示在 300W 连续接通模式下用于功率因数修正的升压转换器中 IF1150S 控制 IC 的性能
Check there are no power factor correction capacitors or surge absorbers in the motor cable.
The charger adopts advanced digital active power factor correction plus digital three level soft switching control mode.
充电机采用先进的数字有源功率因数校正加数字式三电平软开关控制方式。
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