硅钢片损耗公式

硅钢片损耗公式

——按1999年版沈变厂《油浸电力变压器设计手册》 最近发现1999年版沈变厂《油浸电力变压器设计手册》中有一组硅钢片损耗公式，经复算，精度很高。可将我的程序中使用的硅钢片损耗公式更换为下列公式。

35Q155

单位铁损：

If GGP$ = "35Q155" Then PM = -0.8800 * BM ^ 6 +6.2783* BM ^ 5 -17.0669 * BM ^ 4+22.9573 * BM ^ 3 -15.8534 * BM ^ 2 +5.8481 * BM -0.8223

单位励磁电流：

If BM

BM ^ 2 -13.7745 * BM +1.9223

If BM > 1.45 And GGP$ = "35Q155" Then VA = 20992.2351 * BM ^ 6 –193966.3635* BM ^ 5 +746158.9080 * BM ^ 4 -1529503.3852 * BM ^ 3 +1761902.3391 * BM ^ 2 -1081386.5451 * BM +276262.67791 35Q145

If GGP$ = "35Q145" Then PM = -0.0835 * BM ^ 6 +0.9795* BM ^ 5

-2.9939 * BM ^ 4+3.8683 * BM ^ 3 -1.8866 * BM ^ 2 +0.5736 * BM

-0.0217

If BM

BM ^ 2 -7.4853 * BM +1.0431

If BM > 1.45 And GGP$ = "35Q145" Then VA =35663.1360 * BM ^ 6 –338582.1027* BM ^ 5 +1338331.8493 * BM ^ 4 -2818965.8453 * BM ^ 3 +3336821.1050 * BM ^ 2 -2104463.0665 * BM +552435.5911 30Q140

If GGP$ = "30Q140" Then PM = -1.7809 * BM ^ 6 +13.1124* BM ^ 5 -38.0493 * BM ^ 4+56.1093 * BM ^ 3 -44.0967 * BM ^ 2 +18.0062 *

BM -2.8939

If BM

2+4.5790 * BM -0.6964

If BM > 1.45 And GGP$ = "30Q140" Then VA =26283.7512 * BM ^ 6 –248107.5545* BM ^ 5 +975288.5046 * BM ^ 4 -2043303.558 * BM ^ 3 +2406169.7472 * BM ^ 2 -1509933.1333 * BM +394448.887 30Q130

If GGP$ = "30Q130" Then PM =1.5823 * BM ^ 6 -9.7965* BM ^ 5 +24.6357 * BM ^ 4-31.9239 * BM ^ 3 +22.6971 * BM ^ 2 -7.9400 * BM

+1.1339

If BM

2-0.9722 * BM +0.0376

If BM > 1.45 And GGP$ = "30Q130" Then VA =20904.6342 * BM ^ 6 –196573.8985* BM ^ 5 +769896.5323 * BM ^ 4 -1607401.7252 * BM ^ 3 +1886624.5028 * BM ^ 2 -1180202.7017 * BM +307395.9897 30QG120

If GGP$ = "30QG120" Then PM =1.8690* BM ^ 6 -11.4113* BM ^ 5 +28.3144 * BM ^ 4-36.3681 * BM ^ 3 +25.7433 * BM ^ 2 -9.1095 * BM

+1.3366

If BM

2+1.2956 * BM -0.2031

If BM > 1.45 And GGP$ = "30QG120" Then VA =18760.0210 * BM ^ 6 –178634.7179* BM ^ 5 +707998.9897 * BM ^ 4 -1494934.6951 * BM ^

3 +1773538.3478 * BM ^ 2 -1120852.4452 * BM +294797.1915 27QG110

If GGP$ = "27QG110" Then PM =2.1548* BM ^ 6 -13.6051* BM ^ 5 +35.1257 * BM ^ 4 - 47.2836 * BM ^ 3 +35.1903 * BM ^ 2 -13.3025 *

BM +2.0613

If BM

^ 2 -5.9472 * BM+0.8418

If BM > 1.45 And GGP$ = "27QG110" Then VA =13460.0734 * BM ^ 6 –126075.4130* BM ^ 5 +491709.7429 * BM ^ 4 -1022040.3747 * BM ^ 3 +1194021.4623 * BM ^ 2 -743362.0138 * BM +192667.9718 27QG100

单位铁损：

If GGP$ = "27QG100" Then PM = 1.9297 * BM ^ 6 – 11.7533* BM ^ 5 + 29.1399 * BM ^ 4 – 37.5704 * BM ^ 3 +26.8344 * BM ^ 2 – 9.7052 * BM +1.4403

单位励磁电流：

If BM

9.6301 * BM ^ 5 +21.9050 * BM ^ 4 -26.1707 * BM ^ 3 +17.4491 * BM

^ 2 -5.6493 * BM +0.7689

If BM > 1.45 And GGP$ = "27QG100" Then VA = 13293.2496 * BM ^ 6 – 126047.4866 * BM ^ 5 +497630.5106 * BM ^ 4 -1046950.2658 * BM ^ 3 +1237905.0699 * BM ^ 2 -779907.2543 * BM +204532.8786 单位接缝电流：

BMJ= BM/1.414

If BMJ >= 1.45 Then

VAB=-11.5526*BMJ^6+59.4563*BMJ^5-119.5772*BMJ^4+121.9129*BMJ^3-66.4343*BMJ^2+18.2845*BMJ-1.9663

If BMJ > 1.45 Then

VAB=77.4084 * BMJ^6 - 945.355*BMJ^5 + 4643.7887 * BMJ ^4-11819.5014* BMJ ^3+16528.1076* BMJ ^2-12084.5185* BMJ +3619.2298

励磁电流无功分量：

IX = CInt(1.15*(GM * VA + 6 * 1.414 * QC * VAB) / (P * 10) * 100) / 100