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    不可不知的電氣成套基礎知識!

    發布時間:2023-03-15 來源:http://www.apartrz.cn/ 瀏覽量:

    1、什么叫額定電壓?
    1. What is rated voltage?
    設備所標的并與電力系統某些有關運行特性的相間電壓的有效值。
    The effective value of phase-to-phase voltage marked by the equipment and related to some operating characteristics of the power system.
    2、什么叫相間額定工作電壓?
    2. What is the rated working voltage between phases?
    在規定條件下,保證電器正常工作的電壓值。
    The voltage value to ensure the normal operation of electrical appliances under specified conditions.
    3、什么叫額定絕緣電壓?
    3. What is the rated insulation voltage?
    電氣成套廠家提醒,在規定條件下,用來度量電器及其部件的不同電位部分的絕緣強度、電器間隙和爬電距離的名義電壓值,除非另有規定,此值為電器的大額定工作電壓。
    The manufacturer of complete sets of electrical equipment reminds that under specified conditions, the nominal voltage value used to measure the insulation strength, electrical clearance and creepage distance of different potential parts of the electrical equipment and its components is the large rated working voltage of the electrical equipment unless otherwise specified.
    4、什么叫額定電
    4. What is rated power
    開關設備在規定條件下,可以長期通過的工作電流值。
    The working current value that the switchgear can pass for a long time under specified conditions.
    5、什么叫額定工作電流?
    5. What is the rated working current?
    在規定條件下,保證電器正常工作的電流值。
    The current value to ensure the normal operation of electrical appliances under specified conditions.
    6、什么是直流電?
    6. What is DC?
    直流電指電流方向一定,且大小不變的電流,如干電池。
    Direct current refers to the current with certain direction and constant size, such as dry battery.
    7、什么叫交流電?
    7. What is AC?
    是指方向、大小隨時間變化的電流。
    It refers to the current whose direction and size change with time.
    電氣成套
    8、什么叫電流?
    8. What is current?
    物體內的電子在電場的作用下,有規則地向一個方向移動,就形成了電流。電流“I”表示。電流強度在數值上等于1秒鐘內通過導線截面的電量的大小,通常用安培“A”表示,A、KA、mA、uA是不同單位的表示方法。
    Under the action of electric field, the electrons in an object move in one direction regularly, forming a current. Current "I" indicates. The current intensity is numerically equal to the amount of electricity passing through the wire section in one second, usually expressed in ampere "A", A, KA, mA and uA are different units.
    9、什么叫電壓?
    9. What is voltage?
    水要有水位才流動,與此相似,要使電荷作用有規則的移動,必須在電路兩端有一個電位差,這就稱為電壓,用符號“U”表示,數值通常用伏特“V”表示,有V、KV、mV、uV等幾個單位表示。
    Water flows only when it has water level. Similarly, in order to make the action of electric charge move regularly, there must be a potential difference at both ends of the circuit, which is called voltage, which is expressed by the symbol "U". The value is usually expressed by the volt "V", which includes V, KV, mV, uV and other units.
    一個電源(發電機、電池)能夠使電流持續不斷沿著電路流動,就是因為它能使電路兩端產生和維持電位差的能力就叫電源的電動勢,用“E”表示;單位“V”,關系電流的大小,與電阻兩端的電壓高低成正比,與電阻的大小成反比。
    A power supply (generator, battery) can make the current flow continuously along the circuit, because it can make the potential difference between the two ends of the circuit generate and maintain, which is called the electromotive force of the power supply, expressed by "E"; The unit "V" is related to the size of the current, which is proportional to the voltage at both ends of the resistance and inversely proportional to the size of the resistance.
    10、什么是歐姆定律?
    10. What is Ohm's Law?
    R=U/I式中:U:電壓,R:電阻,I:電流,即回路中的電壓與電流的比值。
    R=U/I, where U: voltage, R: resistance, I: current, that is, the ratio of voltage and current in the circuit.
    我們從以上十個方面來講解了電氣成套的基礎內容,希望能夠給您一定的幫助吧,更多事項就來我們網站http://www.apartrz.cn咨詢了解吧!
    We have explained the basic contents of the electrical package from the above ten aspects. I hope we can help you. For more information, please come to our website http://www.apartrz.cn Ask about it!
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