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  • Rubber sheathed power cable and its development prospect

    Rubber sheathed power cable and its development prospect

    Rubber sheathed cable is a kind of flexible and movable cable, which is made of multi strand fine copper wire as conductor and wrapped with rubber insulation and rubber sheath. Generally speaking, it includes general rubber sheathed flexible cable, electric welding machi...
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  • Development and Fault Analysis and Solution of UHV power Transformer

    Development and Fault Analysis and Solution of UHV power Transformer

    UHV can greatly enhance the transmission capacity of my country's power grid. According to the data provided by the State Grid Corporation of China, the UHV DC power grid of the primary circuit can transmit 6 million kilowatts of electricity, which is equivalent to 5 to ...
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  • Development prospect and fault solution of power transformer

    Development prospect and fault solution of power transformer

    Transformer is a static electrical equipment used to transform AC voltage and current and transmit AC power. It transmits electric energy according to the principle of electromagnetic induction. Transformers can be divided into power transformers, test transformers, inst...
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  • Application and characteristics of explosion-proof fan

    Application and characteristics of explosion-proof fan

    Explosion proof fan is used in places with flammable and explosive gases to avoid accidents caused by some flammable and explosive substances. Explosion proof fans are widely used for ventilation, dedusting and cooling of factories, mines, tunnels, cooling towers, vehicl...
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  • The difference between explosion-proof power distribution cabinet, explosion-proof power distribution box and explosion-proof switch cabinet

    The difference between explosion-proof power distribution cabinet, explosion-proof power distribution box and explosion-proof switch cabinet

    There are explosion-proof products called explosion-proof distribution boxes and explosion-proof distribution cabinets, and some are called explosion-proof lighting distribution boxes, explosion-proof switch cabinets, and so on. So what are the differences between them? ...
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  • What is an underground explosion-proof isolating switch? what’s the effect?

    What is an underground explosion-proof isolating switch? what’s the effect?

    The disconnector (disconnector) means that when it is in the sub-position, there is an insulation distance and an obvious disconnection mark between the contacts that meet the specified requirements; when it is in the closed position, it can carry the current under norma...
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  • The box type substation

    The box type substation

    The box-type substation is mainly composed of electrical units such as multi-circuit high-voltage switch system, armored busbar, substation integrated automation system, communication, telecontrol, metering, capacitance compensation and DC power supply. It is installed i...
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  • The big change in photovoltaics has arrived. Who will be the next mainstream technology?

    The big change in photovoltaics has arrived. Who will be the next mainstream technology?

    2022 is a year full of challenges for the whole world. The New Champions epidemic has not yet completely ended, and the crisis in Russia and Ukraine has followed. In this complex and volatile international situation, the demand for energy security of all countries in the...
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  • Function and function of high voltage complete set of equipment

    Function and function of high voltage complete set of equipment

    High-voltage complete equipment (high-voltage distribution cabinet) refers to indoor and outdoor AC switchgear operating in power systems with voltages of 3kV and above and frequencies of 50Hz and below. Mainly used for the control and protection of power systems (includ...
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  • Current Situation and Development Prospect of Wire and Cable

    Current Situation and Development Prospect of Wire and Cable

    Wire and cable are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. The generalized wire and cable is also referred to as the cable, and the narrow-sense cable refers to the insulated cable, which can...
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  • Photovoltaic power generation system and development prospects

    Photovoltaic power generation system and development prospects

    Photovoltaic power generation systems are divided into independent photovoltaic systems and grid-connected photovoltaic systems. Independent photovoltaic power stations include village power supply systems in remote areas, solar household power supply systems, communicat...
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  • What is an Air Source Heat Pump

    What is an Air Source Heat Pump

    Air source heat pump is an energy regeneration device that uses air heat energy for heating. It is used very frequently in cold water phase water heaters, integrated heating and cooling air conditioners and heating systems. For example, the hot water for bathing that we use every day needs to rel...
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