各類電抗器計(jì)算

1、如下1 .進(jìn)線電抗器1.1進(jìn)線電抗器的額定電流ILN：對(duì)直流傳動(dòng)裝置（6RA70）:ILN=0.82IdN（A）式中：IdN：傳動(dòng)裝置額定整流電流，通常即為由其供電的電動(dòng)機(jī)的額定電流（A）。對(duì)電壓型變頻器（6SE70）:ILN=1.1ICN（A）式中：ICN：變頻器額定輸出電流，通常即為由其供電的電動(dòng)機(jī)的額定電流（A）。對(duì)6SE70中的整流單元和整流/回饋單元：ILN=0.87Idc（A）式中：Idc：整流單元或整流/回饋單元額定輸出電流（A）。1.2進(jìn)線電抗器的電感值L:對(duì)直流傳動(dòng)裝置（6RA70）和6SE70中的整流/回饋單元按壓降4%iL:L=0.04ULN/（30.5X2兀flLN）（

2、H）式中：ULN：進(jìn)線電壓的線電壓有效值（V）f:電網(wǎng)頻率（Hz）ILN：進(jìn)線電抗器的額定電流（A）當(dāng)f=50Hz時(shí)：L=73.51XULN/ILN（H）也可根據(jù)進(jìn)線電抗器的進(jìn)線電壓ULN和額定電流ILN直接從下面的表1.1表1.4中選擇進(jìn)線電抗器（適用于f=50Hz）。對(duì)變頻器（6SE70）和6SE70中的整流單元，按壓降2炮才iL:L=0.02XULN/（30.5X2兀flLN）（H）式中：ULN：進(jìn)線電壓的線電壓有效值（V）f:電網(wǎng)頻率（Hz）lLN：進(jìn)線電抗器的額定電流（A）當(dāng)f=50Hz時(shí)：L=36.76XU-N/ILN（H）也可根據(jù)進(jìn)線電抗器的進(jìn)線電壓ULN和額定電流lLN直接從下

3、面的表1.5表1.8中選擇進(jìn)線電抗器（適用于f=50Hz）。表1.1進(jìn)線電壓：380(400)V額定壓降：8.85V(4%)型號(hào)：HKSG2-0.8ILN(A)1822.42831.535.5405063L(gH)156512581006894794704563447訂貨號(hào)K119-513K119-514K119-515K119-516K119-517K119-518K119-519K119-520718091100112125140160180397352310282282252201176157K119-521K119-522K119-523K119-524K119-525K119-526

4、K119-527K119-528K119-52920022425028031535540045050014112611310189.479.470.462.656.3K119-530K119-531K119-532K119-533K119-534K119-535K119-536K119-537K119-5385606307109101000112012501400160050.344.739.73128.225.222.520.117.6K119-539K119-540K119-541K119-542K119-543K119-544K119-545K119-546K119-547表1.2進(jìn)線電

5、壓：500V額定壓降：11.55V(4%)型號(hào)：HKSG2-0.8ILN(A)22.431.535.54050637180L(gH)163411621031915732581516458訂貨號(hào)K119-548K119-549K119-550K119-551K119-552K119-553K119-554K119-55591100112125140160180200224402366327293262229203183163K119-556K119-557K119-558K119-559K119-560K119-561K119-562K119-563K119-564250280315355400

6、45050056063014513011610391.581.373.265.458.1K119-565K119-566K119-567K119-568K119-569K119-570K119-571K119-572K119-5737109101000112012501400160057.640.236.632.729.326.222.9K119-574K119-575K119-576K119-577K119-578K119-579K119-580表1.3進(jìn)線電壓：690V額定壓降：15.9V(4%)型號(hào)：HKSG2-0.8ILN(A)63718091100112125L(gH)8037136

7、33556506452405訂貨號(hào)K119-581K119-582K119-583K119-584K119-585K119-586K119-587140160180200224250280315362316281253226202181166K119-588K119-589K119-590K119-591K119-592K119-593K119-594K119-59535540045050056063071091014312611210190.380.371.355.6K119-596K119-597K119-598K119-599K119-600K119-601K119-602K119-60

8、31000112012501400160050.645.240.536.231.6K119-604K119-605K119-606K119-607K119-608表1.4進(jìn)線電壓：750V額定壓降：17.3V(4%)型號(hào)：HKSG2-0.8ILN(A)100112125140160180200L(gH)551491441393344305275訂貨號(hào)K119-609K119-610K119-611K119-612K119-613K119-614K119-615224250280315355400450500246220197175155138122110K119-616K119-617K119

9、-618K119-619K119-620K119-621K119-622K119-6236307109101000112012501400160087.477.660.555.149.244.139.334.4K119-625K119-626K119-627K119-628K119-629K119-630K119-631K119-632表1.5進(jìn)線電壓：380(400)V額定壓降：4.43V(2%)型號(hào)：HKSG2-0.8ILN(A)56.389.111.212.51618L(gH)282022361763154812581128883783訂貨號(hào)K119-401K119-402K119-40

10、3K119-404K119-405K119-406K119-407K119-40822.42831.535.54050637180630503448397352282224199176K119-409K119-420K119-411K119-412K119-413K119-414K119-415K119-416K119-4179110011212514016018020022415514112611310188.078.370.462.9K119-418K119-419K119-420K119-421K119-422K119-423K119-424K119-425K119-4262502803

11、1535540045050056063056.350.344.739.735.231.428.225.222.4K119-427K119-428K119-429K119-430K119-431K119-432K119-433K119-434K119-4357109101000112012501400160019.615.519.112.611.310.18.8K119-436K119-437K119-438K119-439K119-440K119-441K119-442表1.6進(jìn)線電壓：500V額定壓降：5.77V(2%)型號(hào)：HKSG2-0.8ILN(A)56.389.111.212.516

12、18L(gH)36732915229620181640146911481020訂貨號(hào)K119-443K119-444K119-445K119-446K119-447K119-448K119-449K119-45022.42831.535.54050637180820656583517459367292259230K119-451K119-452K119-453K119-454K119-455K119-456K119-457K119-458K119-4599110011212514016018020022420218416414713111510291.882.0K119-460K119-461

13、K119-462K119-463K119-464K119-465K119-466K119-467K119-46825028031535540045050056063073.566.058.351.745.940.836.732.829.2K119-469K119-470K119-471K119-472K119-473K119-474K119-475K119-476K119-4777109101000112012501400160025.920.218.416.414.713.111.5K119-478K119-479K119-480K119-481K119-482K119-483K119-48

14、4表1.7進(jìn)線電壓：690V額定壓降：7.97V(2%)型號(hào)：HKSG2-0.8ILN(A)63718091100112125L(gH)403357285279254227203訂貨號(hào)K119-485K119-486K119-487K119-488K119-489K119-490K119-49114016018020022425028031518115914112711310190.680.5K119-492K119-493K119-494K119-495K119-496K119-497K119-498K119-49935540045050056063071091071.563.456.445

15、.340.335.727.925.4K119-500K119-501K119-502K119-503K119-504K119-505K119-506K119-5071000112012501400160022.730.218.115.913.9K119-508K119-509K119-510K119-511K119-512表1.8進(jìn)線電壓：750V額定壓降：8.85V(2%)型號(hào)：HKSG2-0.8ILN(A)405063718091100L(gH)282282252201176157141訂貨號(hào)K119-524K119-525K119-526K119-527K119-528K119-529K

16、119-530112125140160180200224250282252201176157141126113K119-525K119-526K119-527K119-528K119-529K119-530K119-531K119-53228031535540045050056063010189.479.470.462.656.350.344.7K119-533K119-534K119-535K119-536K119-537K119-538K119-539K119-5407109101000112012501400160039.73128.225.222.520.117.6K119-541K1

17、19-542K119-543K119-544K119-545K119-546K119-5472 .輸出電抗器2.1輸出電抗器的額定電流變頻器或逆變器所用的輸出電抗器的額定電流ILN可按下式選擇ILN=|MN(A)式中：IMN：由變頻器或逆變器供電的電動(dòng)機(jī)的額定電流(A)2.2輸出電抗器的電感輸出電抗器的電感量L可按下式選擇L=0.01UMN/(30.5X2兀flLN)(H)式中：UMN：由變頻器或逆變器供電的電動(dòng)機(jī)的額定電壓(V)f:電網(wǎng)頻率(Hz)ILN：輸出電抗器的額定電流(A)當(dāng)f=50Hz時(shí)：L=18.38XUWILN(H)也可根據(jù)由變頻器或逆變器供電的電動(dòng)機(jī)的額定電壓UN輸出電抗器白

18、額定電流ILN直接從下面的表2.1-表2.2中選擇輸出電抗器(適用于f=50Hz)。表2.1電機(jī)電壓：380V-500V額定壓降：2.67V型號(hào)：CKSG1-0.8ILN(A)6.210.217.522.525.53447L(HH)1370830483332292220180訂貨號(hào)K220-239K220-240K220-241K220-242K220-243K220-244K220-245617592123146156185225140113926958544138K220-246K220-247K220-248K220-249K220-250K220-251K220-252K220-253

19、2503003153343704004505103428272423211916.5K220-254K220-255K220-256K220-257K220-258K220-259K220-260K220-2616306907508601000130013.512.311.3108.56.5K220-262K220-263K220-264K220-265K220-266表2.2電機(jī)電壓：600V-690V額定壓降：4V型號(hào)：CKSG1-0.8ILN(A)610.21620253847L(HH)21221243795636510335270訂貨號(hào)K220-267K220-268K220-269K

20、220-270K220-271K220-272K220-27355637586961121451602302001701481321148880K220-274K220-275K220-276K220-277K220-278K220-279K220-280K220-2811852242603153704004505106957494035322825K220-282K220-283K220-284K220-285K220-286K220-287K220-288K220-2895606307108009101000-232018161413K220-290K220-291K220-292K220

21、-293K220-294K220-2953 .平波電抗器3.1平波電抗器的額定電流平波電抗器的額定電流ILN可按下式選擇ILN=|MN（A）式中：IMN：由整流器供電的電動(dòng)機(jī)的額定電流（A）3.2平波電抗器的微分電感平波電抗器的微分電感L可按下式選擇L=KmKuU/（SIMN）-LM-KLLT（mH）式中：U：由變頻器或逆變器供電的電動(dòng)機(jī)的額定電壓（V）8:允許的電流脈動(dòng)率IMN：由整流器供電的電動(dòng)機(jī)的額定電流（A）LM：電動(dòng)機(jī)電樞回路電感（mH）LT：整流變壓器漏感（折合到二次側(cè)）或進(jìn)線電抗器電感（mH）KmdKusKV:計(jì)算系數(shù)具體的計(jì)算步驟和有關(guān)計(jì)算系數(shù)的數(shù)值，可參見(jiàn)我所編寫的“電氣傳動(dòng)自動(dòng)化技術(shù)手冊(cè)”第5章中的有關(guān)內(nèi)容。在報(bào)價(jià)或初步估算時(shí)，對(duì)于三相橋式整流系統(tǒng)，也可根據(jù)平波電抗器的額定電流ILN直接從下面的表3.1表3.2中選擇平波電抗器。表3.1是鐵