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高低壓成套設(shè)備包含哪些設(shè)備?

發(fā)布時(shí)間:2023-05-31 來源:http://m.apdg.com.cn/ 瀏覽量:

高低壓成套設(shè)備有:金屬封閉開關(guān)設(shè)備(開關(guān)柜)、氣體絕緣金屬封閉開關(guān)設(shè)備(GIS)和高壓/低壓預(yù)裝式變電站、低壓開關(guān)柜,配電盤,控制箱,開關(guān)箱等電氣設(shè)備。
High and low voltage complete equipment includes: metal enclosed switchgear (switch cabinet), gas insulated metal enclosed switchgear (GIS), and electrical equipment such as high-voltage/low-voltage prefabricated substations, low-voltage switchgear, distribution boards, control boxes, switch boxes, etc.
1、高壓成套設(shè)備按其功能和作用的不同,可以分為:
1. High voltage complete equipment can be divided into:
(1)元件及其組合: 包括斷路器、隔離開關(guān)、接地開關(guān)、重合器、分?jǐn)嗥鳌⒇?fù)荷開關(guān)、接觸器、熔斷器以及上述元件組合而成的負(fù)荷開關(guān)-熔斷器組合電器、接觸器-熔斷器(F-C)組合電器、隔離負(fù)荷開關(guān)、熔斷器式開關(guān)、敞開式組合電器等。
(1) Components and their combinations: including circuit breakers, isolation switches, grounding switches, reclosers, disconnectors, load switches, contactors, fuses, and load switch fuse combination appliances, contactor fuse (F-C) combination appliances, isolation load switches, fuse type switches, open type combination appliances, etc.
(2)成套設(shè)備:將上述元件及其組合與其他電器產(chǎn)品(諸如變壓器、電流互感器、電壓互感器、電容器、電抗器、避雷器、母線、進(jìn)出線套管、電纜終端和二次元件等)進(jìn)行合理配置,有機(jī)地組合于金屬封閉外殼內(nèi),具有相對完整使用功能的產(chǎn)品。如金屬封閉開關(guān)設(shè)備(開關(guān)柜)、氣體絕緣金屬封閉開關(guān)設(shè)備(GIS)和高壓/低壓預(yù)裝式變電站等。
電氣成套
(2) Complete equipment: the above components and their combinations are reasonably configured with other electrical products (such as transformers, current transformers, voltage transformers, capacitors, reactors, lightning arresters, buses, incoming and outgoing line bushings, cable terminals and secondary components), organically combined in a metal enclosed enclosure, and have relatively complete use functions. For example, metal enclosed switchgear (switch cabinets), gas insulated metal enclosed switchgear (GIS), and high-voltage/low-voltage prefabricated substations.
高壓電器的主要技術(shù)參數(shù)包括額定電壓、額定電流、額定開斷電流、動(dòng)態(tài)穩(wěn)定電流、熱穩(wěn)定電流等。額定電流是指設(shè)備在特定條件下可以長時(shí)間通過的工作電流。額定斷開電流是指設(shè)備在特定條件下可以正常斷開的電流。
The main technical parameters of high-voltage electrical appliances include rated voltage, rated current, rated breaking current, dynamic stable current, thermal stable current, etc. Rated current refers to the working current that a device can pass through for a long time under specific conditions. Rated breaking current refers to the current that a device can break normally under specific conditions.
動(dòng)態(tài)穩(wěn)定電流是指電器在特定條件下能夠承受的峰值電流,主要反映電器承受短路電流電動(dòng)力作用的能力。熱穩(wěn)定電流是指電器在規(guī)定條件下能在短時(shí)間內(nèi)承受的電流,主要反映電器承受短路電流熱效應(yīng)的能力。此外,還有高工作電壓、燃弧時(shí)間、分?jǐn)鄷r(shí)間、合閘電流、超范圍、剛性合閘速度等。高壓電器的技術(shù)參數(shù)必須合理協(xié)調(diào),否則其技術(shù)性能不穩(wěn)定,影響經(jīng)濟(jì)指標(biāo)。
Dynamic stable current refers to the peak current that an electrical appliance can withstand under specific conditions, mainly reflecting the ability of the appliance to withstand the electrodynamic effect of short-circuit current. Thermal stable current refers to the current that an electrical appliance can withstand in a short period of time under specified conditions, mainly reflecting its ability to withstand the thermal effects of short-circuit current. In addition, there are also high working voltage, arcing time, breaking time, closing current, out of range, rigid closing speed, etc. The technical parameters of high-voltage electrical appliances must be reasonably coordinated, otherwise their technical performance will be unstable and affect economic indicators.
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