Musteranlage                                           Seite :          1 Netzberechnung nach VDE 0102, 0100 Teil 298, 0107 u. 010                                                                                          i  d  e  a    Berechnen elektrischer Anlagen           Datum :   22.11.98               Kurzschlußströme VDE 0102                DV-Nr.:           -------------------------------------------------------------------------                   Größte Kurzschlußströme       Kleinste Kurzschlußströme Netzknoten        I''k3p  I''k1p   I s3p   I s1p    3p       1p          -------------------------------------------------------------------------   I"k 1 p min und I"k 3 p min im AV-Netzbetrieb über Trafo 630 kVA.                                                                             5                                                                      Trafo 630 kVA      14719   15093   30870   31488            14339                                                                                   10                                                                      1NSHV1 Ik min AV   14398   14401   29882   29035            13638                                                                                  15                                                                      1NSHV2 Ik min AV   13940   13447   28513   25986            12665                                                                                  16                                                                       UVT1NSHV1 Ik min   11229    9363   18043   14074             8068                                                                                  20                                                                       1NSHV3 Ik min AV   10078    7234   18546   11628             6436                                                                                  61                                                                      1NSHV3 SV AV ZUL    9947    7064   18219   11302             6270                                                                                  54                                                                      UV 1.1 AV Ik min    6407    4134    9749    6047             3412                                                                                  81                                                                      UV 1.2 AV Ik min    6364    3101    9656    4481             2480                                                                                   30                                                                      UV 1.3 AV Ik min    7643    5055   12590    7576             4294                                                                                   71                                                                      UV 1.4 AV Ik min    7539    4331   12366    6349             3588                                                                                  40                                                                       Zul. UV 1.6-3.2     6916    4494   11043    6661             3772                                                                                  32                                                                       Zul. UV 1.5-3.1     6805    4412   10821    6529             3697                                                                                  72                                                                      Zul. UV 1.7-3.3     5619    2703    8574    3905             2159                                                                                  33                                                                      UV 1.5 - 3.1 AV     6364    3976    9841    5821             3285                                                                                  41                                                                      UV 1.6 - 3.2 AV     6464    4044   10024    5926             3345                                                                                   73                                                                      UV 1.7 - 3.3 SV     4977    2347    7402    3388             1860                                                                                    Kritische Anlagenvariante Trafo 630 kVA im Inselbetrieb Ansprechsicherheit bei AV - Netzbetrieb   Netzeinspeisung, Netzpunkt MS - Anlage                                   Nennspannung   20000 V, Kurzschlussleistung 350 MVA                      Bezugsspannung   400 V                                                   als Einspeisung beziehen auf Knoten   1                                                                                                           Wirk- und Blindwiderstände                                               R Q  0.000045 OHM, X Q  0.000455 OHM                                                                                                                                                                                        Transformator, Trafo 630 kVA                                             Nennspannung primär  20000 V, Nennspannung sekundär    400 V             Nennleistung    630 kVA, Schaltung DY                                    von Knoten   1 bis Knoten   5                                            Bezugsspannung   400 V                                                   Anforderung des Rechenergebnisses fuer Knoten   5                                                                                                  Wirk- und Blindwiderstände                                               R T   0.003759 OHM, X T   0.014767 OHM                                   R T0  0.003759 OHM, X T0  0.014029 OHM                                    Kurzschlussspannung  6.0 %, ohmscher Spannungsabfall 1.48 %                                                                                                                                                                Kabel, Netzpunkt 1NSHV1 Ik min AV                                        NYY-1L °^°   1 x 240.0       mm2, Länge    10.0 m                        Rückleitung über 4. Leiter                                                Anordnung Dreieck                                                         3 Kabel parallel                                                        von Knoten   5 bis Knoten  10                                            Nennspannung   400 V, Bezugsspannung   400 V                             Anforderung des Rechenergebnisses fuer Knoten  10                                                                                                 Wirk- und Blindwiderstände                                                R L20grd   0.000250 OHM, R L80grd   0.000310 OHM, X L   0.000297 OHM     R 0L20grd  0.001703 OHM, R 0L80grd  0.002111 OHM, X 0L  0.001089 OHM       Rechenergebnis Knoten   5 Trafo 630 kVA                                  Anfangs-Kurzschlusswechselströme I" k                                    3p max   14719 A, cos phi 0.24, 1p max   15093 A, cos phi 0.25           1p min   14339 A , 2p min   12110 A                                                                                                                StoßKurzschlussströme I s                                                3p max   30870 A, 1p max   31488 A                                                                                                                Wirkwiderstand R 1p min  0.0114 OHM, Blindwiderstand X 1p  0.0445 OHM      Rechenergebnis Knoten  10 1NSHV1 Ik min AV                               Anfangs-Kurzschlusswechselströme I" k                                    3p max   14398 A, cos phi 0.25, 1p max   14401 A, cos phi 0.28           1p min   13638 A , 2p min   11834 A                                                                                                               StoßKurzschlussströme I s                                                3p max   29882 A, 1p max   29035 A                                                                                                                Wirkwiderstand R 1p min  0.0141 OHM, Blindwiderstand X 1p  0.0462 OHM

Bernhard Klemenz • Im Saalbrett 4 • 76327 Pfinztal Fon: (07240) 926230 • Fax: 926231 E-Mail: BDEA@HMnet.de