From b18347ffc9db9641e215995edea1c04c363b2bdf Mon Sep 17 00:00:00 2001 From: Angelo Rossi Date: Wed, 21 Jun 2023 12:04:16 +0000 Subject: Initial commit. --- benchmarks/dc32.dat | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 benchmarks/dc32.dat (limited to 'benchmarks/dc32.dat') diff --git a/benchmarks/dc32.dat b/benchmarks/dc32.dat new file mode 100644 index 0000000..ec1c0da --- /dev/null +++ b/benchmarks/dc32.dat @@ -0,0 +1,96 @@ +BEGIN NEW DATA CASE +C BENCHMARK DC-32 +C Artificial 6-pulse dc power supply that illustrates the simulation of +C diodes. It was concocted in July of 1977 to instruct Hughes Aircraft in +C Fullerton, California (Emory Johnson, Gene Perusse, and assoc.). Use of +C MEMSAV = 1 dumps tables for later restarting and modification (see DC-49). +C It is assumed that STARTUP has KTRPL4 < 0 and L4BYTE = 1 so that a +C C-like ".PL4" file having name DC32.PL4 will be created (used by DC-49). +PRINTED NUMBER WIDTH, 12, 2, { Request maximum precision (for 8 output columns) + .000020 .010 + 1 1 1 1 1 -1 1 2 + 5 5 10 10 50 50 +C Three 2-winding saturable transformers having unity turns ratios are +C delta-connected on the source side, and grounded-Y on the rectifier +C side. The magnetizing branch is both nonlinear and lossy: + TRANSFORMER .01 .05TRANA 1.E5 1 + .01 .05 + .02 .06 + .05 .07 + .15 .08 + 9999 + 1GENA GENB .06 .01 115. + 2SECA .06 .01 115. + TRANSFORMER TRANA TRANB 1 + 1GENB GENC + 2SECB + TRANSFORMER TRANA TRANC 1 + 1GENC GENA + 2SECC +C Small impedance branches are used (prior to "M34." generalized switch +C logic) to isolate switches from each other at "POLEA". R = 5 ohms. +C Although in theory such isolation is no longer required, do not try +C to remove these 9 resistors, since they provide necessary damping. +C Note that these resistors are not of negligible value: + CATH1 POLEA 5.0 + CATH2 POLEA CATH1 POLEA + CATH3 POLEA CATH1 POLEA +C More small impedances used for switch isolation at node "POLEB", and +C also at the transformer secondary. Half the value of "POLEA" is used, +C for balance: + CATH4 SECC 2.5 + CATH5 SECA CATH4 SECC + CATH6 SECB CATH4 SECC + AN4 POLEB CATH4 SECC + AN5 POLEB CATH4 SECC + AN6 POLEB CATH4 SECC +C 2-conductor distributed line connects "POLE" with "LOAD". Inductance +C parameters are 5.8 and 1.6 millihenries for the ground and sky modes, +C respectively. Length is five miles. Values are typical for 500 kV line: +-1POLEA LOADA 0.3 5.8 .012 5.0 +-2POLEB LOADB .03 1.6 .019 5.0 +C Large stray capacitance ties the dc side to ground: + POLEA 100. + POLEB POLEA +C Load on dc side is parallel 200 ohm R and 100 microfarad capacitance: + LOADA LOADB 200. + LOADA LOADB 100. +C One-ohm grounding resistance, for later fault (see DC-49 continuation). + LOADA FAULT 1.0 +C 20 August 1998, discovery that Pi-circuits are mishandled leads to addition +C of the following radial branch off the generator (does not change answers): + 1GENA 1-A 34.372457.68.15781 + 2GENB 1-B 35.735164.43-.031538.002451.79.16587 + 3GENC 1-C 35.735164.43-.031537.455151.72-.021938.002451.79.16587 +BLANK card ending all branch cards +C First switch is to be the fault switch (open here, and closed in DC-49): + FAULT 1.0 2.0 +C Bridge circuit consisting of 6 uncontrolled valves (i.e., diodes). Those +C numbered 1, 2, and 3 feed "POLEA", making it positive with respect to +C ground. Diodes 4, 5, and 6 feed "POLEB", making it negative. +11SECB CATH1 13 +11SECA CATH2 CLOSED 13 +C The following card serves to name the switch following it. To see the +C results of this activity, interactively execute the "SWITCH" command of +C SPY, sending "EXTRA" for the alternative table. Another point: note +C the exclamation point, which is needed to hold lower case within A6 name +C (assuming KINSEN = 1 within STARTUP). No such control for valve six. + NAME: Valve3 ! { Request "NAME: " of cols. 3-8 precedes A6 valve name in 9-14 +11SECC CATH3 13 +11AN4 CATH4 CLOSED 13 +11AN5 CATH5 13 + NAME: Valve6 { Request "NAME: " of columns 3-8 precedes A6 valve name in 9-14 +11AN6 CATH6 CLOSED 13 +BLANK card terminating the last switch card +C Balanced 3-phase source of 400 Hz is connected to transformer delta side: +14GENA 93.897 400. -30. -1. +14GENB 93.897 400. -150. -1. +14GENC 93.897 400. 90. -1. +BLANK card ending all source cards + 1 { Request for all node voltage outputs + PRINTER PLOT + 144 1. 0.0 10. LOADA LOADB { Axis limits: (-1.637, 1.618) +$WIDTH, 79, { Narrow output width will save paper from here on (summary stats) +BLANK card ending the last plot cards +BEGIN NEW DATA CASE +BLANK -- cgit v1.2.3