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 ...
Low voltage automatic contactor switched capacitor banks or filter banks typically use a delay time of 30 – 40 seconds between steps. This delay time is chosen to ensure that the capacitors have discharged prior to being re-connected. The long delay time limits the autobank’s ability to track rapidly changing loads. The slow response time may result in an overload condition in filter b...
Why power factor is lower at power grid with solar? The active power and reactive power consumed by the system is fixed. When there is photovoltaic, photovoltaic provides active power, so the active power provided by the system decreases, and the reactive power remains unchanged, so the power factor decreases. If the active power provided by photovoltaics is close to the active power consumed by t...
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...
Power factor is the measure of how effectively the incoming power is used in an electrical system. A high power factor indicates that the power supplied to the electrical system is effectively used. A system with low power factor doesn’t effectively consume the incoming electric supply and results in losses. There is no power factor involved in DC circuits due to zero frequency. But, in AC c...
The 31st Shanghai International Power Equipment and Technology Exhibition Recently, the focus of attention in the power industry has gathered at a highly anticipated event - the 2023EP Power Exhibition. The exhibition brings together leading enterprises, experts, and technology innovators in the industry, aiming to share the latest power system solutions, showcase advanced equipment and tec...
The correct compensation capacity is very important for projects, where need to install reactive power compensation device, such as capacitor banks, or Static Var Generator SVG, or Hybrid reactive power compensation device. For new projects: New Projects which are at the design stage: The required compensation capacity (kVAr) can be calculated using Power Factor Calculatation tools. Our YT'...
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