電氣成套具備電氣參數(shù)靈敏準(zhǔn)確的感知功能、系統(tǒng)故障的判斷功能、可靠執(zhí)行結(jié)構(gòu)的操控功能。智能設(shè)備是一種高度自動化的機(jī)電一體化設(shè)備。下面來講講
電氣成套的技術(shù)交底注意事項(xiàng)。
The electrical complete set has the sensitive and accurate sensing function of electrical parameters, the judgment function of system failure, and the control function of safe and reliable execution structure. Intelligent equipment is a highly automated electromechanical equipment. Now let's talk about the precautions for technical disclosure of electrical complete sets.
1、柜型、系統(tǒng)圖、平面布置圖、一次方案圖、臺數(shù)(XGN2、GZS1、GG-1A、GGD、PGL、MNS、GCS、GCK、GZD、PK等等);
1. Cabinet type, system diagram, floor plan, primary scheme diagram, number of units (XGN2, GZS1, GG-1A, GGD, PGL, MNS, GCS, GCK, GZD, PK, etc.);
2、柜體尺寸(長、寬、高);
2. Cabinet size (length, width and height);
3、進(jìn)出線方式及架空進(jìn)出線的相序(電纜上進(jìn)出、電纜下進(jìn)出、母排上進(jìn)出、母排下進(jìn)出);
3. Incoming and outgoing line mode and phase sequence of overhead incoming and outgoing lines (upper incoming and outgoing cables, lower incoming and outgoing cables, upper incoming and outgoing buses, lower incoming and outgoing buses);
4、斷路器詳細(xì)參數(shù)(額定電壓12-31.5KV、額定絕緣電壓42(28)-95(1min工頻耐受電壓有效值干燥狀態(tài)),34(28)-85(1min工頻耐受電壓有效值干燥狀態(tài)),75(60)-185(額定沖擊耐受電壓峰值干燥狀態(tài))、額定電流200,400,630,1000,1250,1600,2000,2500,3150,4000,5000、額定短路開斷電流3.15,6.3,8,12.5,16,20,25,31.5,40,50,63KA)
4. Detailed parameters of circuit breaker (rated voltage 12-31.5KV, rated insulation voltage 42 (28) - 95 (1min power frequency withstand voltage effective value dry state), 34 (28) - 85 (1min power frequency withstand voltage effective value dry state), 75 (60) - 185 (rated impulse withstand voltage peak dry state), rated current 2004006301000125016000200025003150400005000, rated short circuit breaking current 3.15,6.3,8,12.5,16,20,25,31.5,40,50,63KA)
5、負(fù)荷開關(guān)詳細(xì)參數(shù)、上下隔離詳細(xì)參數(shù)
5. Detailed parameters of load switch and upper and lower isolation
6、電流互感器詳細(xì)參數(shù)(型號、電壓等級、變比、繞組數(shù)、精度、容量。注意事項(xiàng):電流互感器外殼(鐵殼)和二次側(cè)須同時接地;電流互感器的二次側(cè)不允許接閘刀和熔斷器;電流互感器的二次回路連接導(dǎo)線應(yīng)用絕緣軟銅線,截面不得小于1.5mm2,不得使用鋁導(dǎo)線;電流互感器二次回路的負(fù)荷不得大于對應(yīng)的一定精確度的額定值;運(yùn)行中電流互感器,二次側(cè)不得開路。)
6. Detailed parameters of current transformer (model, voltage class, transformation ratio, number of windings, accuracy and capacity). Precautions: the shell (iron shell) of current transformer and secondary side must be grounded at the same time; The secondary side of current transformer shall not be connected with knife switch and fuse; The secondary circuit connecting conductor of current transformer shall be insulated flexible copper wire, with the section not less than 1.5mm2, and aluminum conductor shall not be used; The load of secondary circuit of current transformer shall not be greater than the corresponding rated value with certain accuracy; The secondary side of current transformer in operation shall not be open circuit.)
7、熔斷器詳細(xì)參數(shù)(RN2熔斷器不能作過載保護(hù),如需要對電壓互感順過載加以保護(hù)時,則可在電壓互感器的低壓側(cè)裝置低壓熔斷器。如果要使用于短路容量大于2000兆伏安的線路上時,則應(yīng)在熔斷器前串聯(lián)限流電壓。標(biāo)準(zhǔn)參數(shù):額定電壓(KV)、額定電流(A)、額定開斷容量(MVA,RN1<200\RN2<1000))
7. Detailed parameters of fuse (RN2 fuse cannot be used for overload protection. If it is necessary to protect the voltage transformer from overload, a low-voltage fuse can be installed on the low-voltage side of the voltage transformer. If it is to be used on lines with a short circuit capacity greater than 2000 MVA, the current limiting voltage should be connected in series in front of the fuse. Standard parameters: rated voltage (KV), rated current (A), rated breaking capacity (MVA, RN1<200 RN2<1000))
8、電壓互感器詳細(xì)參數(shù)(型號、電壓等級、變比、繞組數(shù)、精度、容量。注意事項(xiàng):電壓互感器外殼(鐵殼)和二次側(cè)必須同時接地,以降低高壓竄入低壓造成的危險(xiǎn)性;電壓互感器的一二次繞組都應(yīng)接熔斷器,以防止二次側(cè)工作時接地和短路;電壓互感器的二次回路連接導(dǎo)線應(yīng)用絕緣軟銅線,截面不得小于1.5mm2,不得使用鋁導(dǎo)線;電壓互感器二次回路的電壓降不應(yīng)超過0.5%,對0.5級電能表不得超過0.25%。)等等。
8. Detailed parameters of voltage transformer (model, voltage grade, transformation ratio, number of windings, accuracy and capacity). Precautions: the shell (iron shell) and secondary side of voltage transformer must be grounded at the same time to reduce the risk caused by high-voltage channeling into low-voltage; The primary and secondary windings of the voltage transformer shall be connected with fuses to prevent grounding and short circuit when the secondary side is working; The secondary circuit connecting wire of voltage transformer shall be insulated flexible copper wire, with the section not less than 1.5mm2, and aluminum wire shall not be used; The voltage drop of the secondary circuit of the voltage transformer shall not exceed 0.5%, and it shall not exceed 0.25% for the class 0.5 electric energy meter.) wait.
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