«
»

自动化电控

其特点是控制电路结构简单、成本较低，机械特性硬度也较好，能够满足一般传 动的平滑调速要求，已在产业的各个领域得到广泛应用。但是，这种控制方式在 低频时，由于输出电压较低，转矩受定子电阻压降的影响比较显著，使输出最大 转矩减小。另外，其机械特性终究没有直流电动机硬，动态转矩能力和静态调速 性能都还不尽如人意，且系统性能不高、控制曲线会随负载的变化而变化，转矩 响应慢、电机转矩利用率不高，低速时因定子电阻和逆变器死区效应的存在而性 能下降，稳定性变差等。因此人们又研究出矢量控制变频调速。 http://www.xinyilw.com

This entry was posted on Sunday, April 25th, 2010 at 6:05 am and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “自动化电控”

  1. ANDRE says:
    June 26, 2010 at 12:14 am

    PillSpot.org. Canadian Health&Care.No prescription online pharmacy.Special Internet Prices.Pillspot.org. Vitamins@buy.online” rel=”nofollow”>.…

    Categories: Antibiotics.Vitamins/Herbal Supplements.Anti-allergic/Asthma.Antidiabetic.Eye Care.Pain Relief.Mental HealthMens Health.Blood Pressure/Heart.Skin Care.Stop SmokingAntidepressants.Womens Health.Stomach.Anxiety/Sleep Aid.Antiviral.Weight…

  2. JERRY says:
    July 4, 2010 at 5:26 am


    PillSpot.org. Canadian Health&Care.Best quality drugs.Special Internet Prices.No prescription online pharmacy. Low price pills. Buy drugs online…

    Buy:Soma.Viagra.Tramadol.Levitra.Viagra Super Force.Propecia.Cialis Super Active+.Cialis Professional.Viagra Soft Tabs.Cialis.Viagra Super Active+.Zithromax.Maxaman.Super Active ED Pack.Cialis Soft Tabs.Viagra Professional.VPXL….

Leave a Reply