The reactive power consumed by the transformer is generally about 10% to 15% of its rated capacity, and its no-load reactive power is about 1/3 of the full load. Therefore, in order to improve power factor (PF) of the power system, the transformer should not operate at no-load or in a long-term low-load operation state. Vigorously improving the power factor of transformers, reducing line losses, a...
Project Name Daqing Electric Power Group Distribution Network Energy Conservation Comprehensive Management Project Project Background and Construction Objectives The distribution network of Daqing Power Group consists of 7 distribution stations, including Ranghulu, Longnan, Saltu, Dongfeng, Donghu, Honggang, and Chuangye. There are over 1000 transformers, with transformer capacities ...
Harmonics and 3rd order harmonic Harmonics are the result of nonlinear loads that convert AC line voltage to DC. Harmonics flow into the electrical system because of nonlinear electronic switching devices, such as variable frequency drives (VFDs), computer power supplies and energy-efficient lighting. Today, the most prevalent and growing harmonic sources are: VFD’s, EC motors...
YTPQC-AHF Active Harmonic Filter can realize 2nd to 50th harmonic compensation with full compensation or seletive compensaton, output compensation current follows the system harmonic variation, devoted to green power quality. Our AHF's compensation capacity(ratio) can be set freely by the customers, to realize harmonics compensation, reactive power compensation or imbalance compensation. YT...
Passive Harmonic Filter The simplest of all filters are the ones built using just resistors, capacitors and inductors. Such filters are called passive harmoinc filters, as they are constructed from passive components. In electronics, passive components are those which do not produce energy of their own. They are only capable of dissipating energy (in the case of resistors) or storing energy (in th...
YTPQC-AHF Active Harmonic Filter is a comprehensive and flexible solution for power quality problems. It provides the advanced control and proven reliability that your facility needs to solve power quality issues. It monitors the load current and very quickly responds to the power system distortion as it develops. A corrective current is injected to effectively cancel out the harmonics required fr...
Shanghai Yingtong Electric is the leading manufacture in low voltage Static Var Generator and Active Harmonic Filter. Static Var Generator SVG is a revolutional new power factor correction product with latest PFC technology. YTPQC-SVG utilises a high speed three level inverter that reacts to changes in reactive power, exchanging corrective reactive power into the system. YTPQC-SVG is an enti...
YTPQC-APF Active Power Filter is the best solution to tough power quality problems caused by harmonics, reactive power demand and load imbalance. Shanghai YingTong ELectric have applied new generation thinking and innovative design principles to create a new 690V Active Harmonic Filters AHF that have redefined what is possible among cost,technical and quality performance. YT new 690V Rac...
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