The Power (Positive-Sequence) block computes the positive-sequence active power P (in watts) and reactive power Q (in vars) of a periodic set of three-phase voltages and currents. To perform this computation, the block first computes the positive sequence of the input voltages and currents wi...
The Power (PLL-Driven, Positive-Sequence) block computes the positive-sequence active power P (in watts) and reactive power Q (in vars) of a periodic set of three-phase voltages and currents. To perform this computation, the block first computes the positive sequence of the input voltages an...
Based on mathematical deduction and analysis, the problems are pointed out that concern the detection of harmonics and fundamental positive-sequence active& reactive current components with instantaneous reactive power theory under asymmetrical three-phase voltages.基于理论推导和分析,指出了在三相...
4) zero sequence active power 零序有功功率 5) active power 有功功率 1. Asynchronous sampling scheme for active power measurement; 有功功率测量的异步采样方法 2. Soft stop control of high-voltage asynchronous motor based on active power close loop; 基于有功功率闭环的高压异步电机软停控制 ...
1) fundamental positive-sequence 基波正序1. Based on mathematical deduction and analysis, the problems are pointed out that concern the detection of harmonics and fundamental positive-sequence active & reactive current components with instantaneous reactive power theory under asymmetrical three-phase ...
4) fundamental positive-sequence 基波正序 1. Based on mathematical deduction and analysis, the problems are pointed out that concern the detection of harmonics andfundamental positive-sequenceactive & reactive current components with instantaneous reactive power theory under asymmetrical three-phase voltages...
A three-phase positive-sequence component-based method for a digital phase-locked loop of a reactive power compensation apparatus and an apparatus thereof, which relates to the technical field of power grid reactive power compensation and aims at providing a method that can avoid influences of ...
正负序电流(Positivenegativesequencecurrent)Theemergenceofthepositivesequence,negativesequenceandzerosequenceistoanalyzetheasymmetricphenomenoninasystemvoltage,current,thethree-phaseasymmetriccomponentbrokendownintocomponent(positiveandnegativesequence)andthedirectionofzerosequencecomponent.Aslongasthethree-phasesystem,theabove...
According to Non-Patent Literature 3, it is reported that in a case in which coronene is vaporized by heating, condensation between coronene occurs in sequence, oligomers are formed while hydrogen is extracted, and thereby carbon is left at or above 600° C. Furthermore, it is also ...
6)negative-sequence current负序电流 1.Electric railways have witnessed great development in Chinese railway system;however,the seriousnegative-sequence current,harmonics,reactive power and load fluctuation during the running process influence the electric power quality.电气化铁道在全国铁道系统中都有了很大的...