Based on the review of common standard tor power factor and harmonics in hghting equipment industry, power factor correction (PFC) technologies have been a interesting field in the power electronics.

• 针对电网对电子镇流器功率因数和谐波含量的要求,功率因数校正技术在电子镇流器中的应用已经是电力电子领域内新的研究热点。