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  • Inverter common fault contents and solutions

    Inverter common fault contents and solutions

    May , 11 2024
    As an important component of the entire power plant, inverters can detect almost all power plant parameters for both DC components and grid connected equipment. If there is an abnormality, the health status of the supporting equipment in the power station can be checked through the feedback information from the inverter. Below are some common fault information and handling methods for photovoltaic...
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  • How Low Frequency UPS Safeguards Critical Information

    How Low Frequency UPS Safeguards Critical Information

    May , 11 2024
    What is a Low Frequency UPS? A Low Frequency Online UPS is a sophisticated power protection device that utilizes double conversion technology to provide continuous and clean power to connected equipment. Unlike traditional Offline UPS, where the load is directly powered by the mains until a power failure occurs, it continuously powers the load through an inverter, ensuring a seamless transition be...
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  • Measures to suppress harmonics

    Measures to suppress harmonics

    May , 11 2024
    The fundamental cause of harmonic generation is due to nonlinear loads. When the current flows through the load and does not have a linear relationship with the applied voltage, it forms a non sinusoidal current, resulting in harmonics. The suppression of harmonics in the power system is to reduce or eliminate the harmonic current injected into the system, in order to control the harmonic voltage ...
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  • Uninterruptible Power Supply UPS System for Computers Protection

    Uninterruptible Power Supply UPS System for Computers Protection

    Apr , 26 2024
    What is A UPS System? An Uninterruptible Power Supply (UPS) system is an electrical device that provides emergency power to a computer or other electronic equipment in the event of a power outage or electrical disturbance. It acts as a backup power source, allowing the connected devices to continue functioning for a certain period or providing sufficient time for a safe shutdown. How UPS System fo...
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  • The main components of inverters, converter tools

    The main components of inverters, converter tools

    Apr , 26 2024
    The main two parts are rectifier and inverter. Some of the main components of the inverter The first to convert AC voltage into DC voltage; The second one converts this DC voltage into an AC voltage with variable amplitude and frequency. Therefore, they together form an AC to AC converter tool that can be placed between a regular power grid and loads with special requirements for voltage and frequ...
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  • THE RELATIONSHIP BETWEEN APPARENT POWER, ACTIVE POWER, AND REACTIVE POWER

    THE RELATIONSHIP BETWEEN APPARENT POWER, ACTIVE POWER, AND REACTIVE POWER

    Apr , 20 2024
    The apparent power, active power, and reactive power meet the following triangular relationships: Figure (1): Schematic diagram of the power triangle S:Apparent power S 2 =P 2 + Q 2 Q:Reactive power P = S *cosφ
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  • Harmonic current

    Harmonic current

    Apr , 20 2024
    What does harmonic current mean Harmonic current is a collective term for the sinusoidal components whose frequency is an integer multiple of the original periodic current frequency. A harmonic current with a frequency equal to k times the frequency of the original periodic current is called a k-th harmonic current, and all harmonic currents with a frequency greater than 1 are collectively referre...
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  • Reactive power compensation

    Reactive power compensation

    Apr , 12 2024
    The electrical equipment of the power system will produce active power and reactive power when in use. Active power converts electrical energy into mechanical, thermal, chemical, or acoustic energy, while reactive power converts electrical energy into another form of energy, such as electrical energy occupied by electromagnetic components to build up a magnetic field. The hazards of reactive power...
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  • What happens when the neutral and ground wires are reversed?

    What happens when the neutral and ground wires are reversed?

    Apr , 12 2024
    AC power is basically generated by the generator in the power plant. The generator has three-phase windings with an electrical angle difference of 120 ° between them. When connected in a star connection method, there is a common point between the three windings, called the neutral point. This neutral point N is usually connected to the ground PE, so it is called PEN together. If the output current...
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