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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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  • The difference between thermal magnetic and electromagnetic types of molded case circuit breakers

    The difference between thermal magnetic and electromagnetic types of molded case circuit breakers

    Apr , 07 2024
    The main differences between thermal magnetic circuit breakers and electromagnetic circuit breakers are reflected in triggering time, protection sensitivity, overload resistance, working principle, and applicable scenarios. The rmomagnetic Electronic Here is a detailed introduction: a. Trigger time. The triggering time of electromagnetic circuit breakers is relatively short, usually only a few ten...
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  • Is DC-DC converter suitable for railway applications, powered directly by batteries

    Is DC-DC converter suitable for railway applications, powered directly by batteries

    Apr , 02 2024
    DC/DC power converters are suitable for harsh mechanical and electrical environments in traction vehicles and locomotive applications. It has an ultra wide input voltage range from 16V to 160V and covers all input power systems in railway applications, including 24V, 28V, 36V, 48V, 72V, 96V, and 110VDC. Due to the increase in onboard electronic systems, the use of ultra wide input voltage converte...
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  • Four installation methods for disconnecting inverters from the power grid and the use of dedicated sockets

    Four installation methods for disconnecting inverters from the power grid and the use of dedicated sockets

    Mar , 30 2024
    As we mentioned earlier, there are multiple methods to disconnect the inverter from the grid, but in the next section, we will focus on four common methods for RV inverter installation. Four installation methods for disconnecting inverters from the power grid 1. Direct connection Connecting your RV inverter directly to the AC distribution system of the RV through a conversion switch may be the mos...
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