1
Download ATPDraw - Electrical & Computer Engineering
Transcript
Reference Manual Mechanical network: * Shaft mass (moment of inertia) <-> Capacitance ( 1kg/m2 <-> 1 Farad ) * Shaft section (spring constant) <-> Inverse inductance. ( 1 Nm/rad <-> 1/Henry ) * Shaft friction (viscous damping) <-> Conductance. ( 1 Nm/rad/s <-> 1/ohm ) * Angular speed <-> Voltage (1 rad/s <-> 1 Volt ) * Torque <-> Current (1 Nm <-> 1 Amp ) * Angle <-> Charge (1 rad <-> 1 Coulomb ) L1 __ __ ____ ___oooo_______________ | | | | | | | | | |J1| K1 |J2| --> T _|_ < _|_ < | ==| |=====| |==== ====> ___C1 >R1 ___C2 >R2 O I | | | | | < | < | |__| |__| | | | | | D1 D2 C1=J1, C2=J2, R1=1/D1, R2=1/D2, L1=1/K1, I=T 4.2.9.9 Transformers Fig. 4.49 - Available transformer models The popup menu under Transformers contains the following items: Selection Object name Sat. 1 phase TRAFO_S Icon ATP card Description BRANCH Single phase saturable transformer. TRANSFORMER Ide. 1 phase TRAFO_I SOURCE type 18 Single phase ideal transformer. Sat. /Y 3 ph TRADY_3 BRANCH 3x1-phase saturable transformer. D/Y coupled windings. 3-phase node. Sat. Y/ 3 ph TRAYD_3 TRANSFORMER BRANCH TRANSFORMER ATPDraw version 1 for Windows 3x1-phase saturable transformer. Y/D coupled windings. 3-phase node. 97
