Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00113/0.00113, allocations: 109.4 kB / 17.04 MB, free: 5.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001031/0.001031, allocations: 195 kB / 17.98 MB, free: 5.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.329/1.329, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7032/0.7032, allocations: 115.1 MB / 407 MB, free: 6.34 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001208/0.001208, allocations: 59.89 kB / 494.8 MB, free: 15.83 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4024/0.4036, allocations: 76.15 MB / 0.5576 GB, free: 36.6 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY): time 0.0189/0.4225, allocations: 16.95 MB / 0.5741 GB, free: 25.44 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01058/0.4331, allocations: 6.027 MB / 0.58 GB, free: 21.34 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001872/0.4351, allocations: 49.28 kB / 0.5801 GB, free: 21.34 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00368/0.4388, allocations: 1.47 MB / 0.5815 GB, free: 20.46 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003222/0.442, allocations: 1.061 MB / 0.5825 GB, free: 19.86 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002988/0.445, allocations: 1.046 MB / 0.5836 GB, free: 19.29 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.00537/0.4504, allocations: 4.304 MB / 0.5878 GB, free: 17.44 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006792/0.4572, allocations: 5.966 MB / 0.5936 GB, free: 15.09 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00311/0.4604, allocations: 1.932 MB / 0.5955 GB, free: 13.63 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002401/0.4628, allocations: 2.302 MB / 0.5977 GB, free: 11.32 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0004774/0.4633, allocations: 460 kB / 0.5982 GB, free: 10.88 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001811/0.4651, allocations: 1.139 MB / 0.5993 GB, free: 9.734 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001263/0.4664, allocations: 1.794 MB / 0.601 GB, free: 7.938 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002069/0.4684, allocations: 1.771 MB / 0.6028 GB, free: 6.16 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.005446/0.4739, allocations: 6.662 MB / 0.6093 GB, free: 15.48 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.4739, allocations: 0 / 0.6093 GB, free: 15.48 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.763e-06/0.4739, allocations: 0 / 0.6093 GB, free: 15.48 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0001026/0.474, allocations: 0 / 0.6093 GB, free: 15.48 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 809 * Number of variables: 809 Notification: Performance of Generate backend data structure: time 0.005892/0.4799, allocations: 3.068 MB / 0.6123 GB, free: 12.35 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.672e-05/0.48, allocations: 11.97 kB / 0.6123 GB, free: 12.34 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01035/0.4904, allocations: 2.014 MB / 0.6142 GB, free: 10.32 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004569/0.495, allocations: 1.671 MB / 0.6159 GB, free: 8.605 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002177/0.4952, allocations: 234.4 kB / 0.6161 GB, free: 8.375 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008258/0.496, allocations: 296.4 kB / 0.6164 GB, free: 8.086 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0136/0.5096, allocations: 5.923 MB / 0.6222 GB, free: 2.07 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.303e-05/0.5097, allocations: 4 kB / 0.6222 GB, free: 2.066 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003857/0.5101, allocations: 120 kB / 0.6223 GB, free: 1.949 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003162/0.5104, allocations: 205 kB / 0.6225 GB, free: 1.746 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01393/0.5244, allocations: 5.977 MB / 0.6283 GB, free: 11.75 MB / 478.1 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02696/0.5514, allocations: 22.8 MB / 0.6506 GB, free: 2.938 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004804/0.5562, allocations: 2.496 MB / 0.653 GB, free: 328 kB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004194/0.5604, allocations: 1.822 MB / 0.6548 GB, free: 14.48 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000208/0.5606, allocations: 122 kB / 0.6549 GB, free: 14.34 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.3e-05/0.5607, allocations: 55.5 kB / 0.655 GB, free: 14.27 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=123): time 2.886e-06/0.5607, allocations: 0 / 0.655 GB, free: 14.27 MB / 0.4981 GB Notification: Performance of matching and sorting (n=153): time 0.03327/0.594, allocations: 11.77 MB / 0.6665 GB, free: 2.449 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001117/0.5941, allocations: 238.8 kB / 0.6667 GB, free: 2.168 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001319/0.5954, allocations: 1.07 MB / 0.6677 GB, free: 1.086 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 0.0001491/0.5956, allocations: 49.7 kB / 0.6678 GB, free: 1.031 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007174/0.5963, allocations: 1.25 MB / 0.669 GB, free: 15.76 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004705/0.5968, allocations: 0.5354 MB / 0.6695 GB, free: 15.22 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007189/0.5975, allocations: 467.7 kB / 0.67 GB, free: 14.75 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0001172/0.5977, allocations: 337.9 kB / 0.6703 GB, free: 14.42 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004105/0.6018, allocations: 1.836 MB / 0.6721 GB, free: 12.57 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004483/0.6063, allocations: 2.517 MB / 0.6746 GB, free: 9.746 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008537/0.6148, allocations: 4.352 MB / 0.6788 GB, free: 5.094 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.677e-05/0.6148, allocations: 8 kB / 0.6788 GB, free: 5.086 MB / 0.5137 GB Notification: Performance of matching and sorting (n=282) (initialization): time 0.01204/0.6269, allocations: 5.208 MB / 0.6839 GB, free: 15.85 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 2.862e-05/0.6269, allocations: 12 kB / 0.6839 GB, free: 15.84 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.067e-05/0.627, allocations: 24 kB / 0.6839 GB, free: 15.81 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002793/0.6298, allocations: 0.8716 MB / 0.6848 GB, free: 14.92 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003154/0.6329, allocations: 0.7721 MB / 0.6855 GB, free: 14.15 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01522/0.6482, allocations: 13.85 MB / 0.6991 GB, free: 15.45 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003069/0.6513, allocations: 467 kB / 0.6995 GB, free: 14.99 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002511/0.6515, allocations: 112 kB / 0.6996 GB, free: 14.88 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005895/0.6574, allocations: 2.955 MB / 0.7025 GB, free: 11.92 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004649/0.6621, allocations: 2.502 MB / 0.7049 GB, free: 9.109 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.009967/0.6721, allocations: 4.325 MB / 0.7092 GB, free: 4.488 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.322e-05/0.6722, allocations: 8 kB / 0.7092 GB, free: 4.48 MB / 0.545 GB Notification: Performance of matching and sorting (n=282) (initialization_lambda0): time 0.01181/0.684, allocations: 5.146 MB / 0.7142 GB, free: 15.31 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 2.651e-05/0.684, allocations: 17.72 kB / 0.7142 GB, free: 15.29 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.229e-05/0.6841, allocations: 20.28 kB / 0.7142 GB, free: 15.27 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002199/0.6863, allocations: 0.7975 MB / 0.715 GB, free: 14.46 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003204/0.6895, allocations: 0.776 MB / 0.7158 GB, free: 13.68 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01392/0.7034, allocations: 13.67 MB / 0.7291 GB, free: 15.16 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003178/0.7067, allocations: 447.2 kB / 0.7296 GB, free: 14.73 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003283/0.707, allocations: 116 kB / 0.7297 GB, free: 14.61 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 97 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (240): * Single equations (assignments): 234 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0006869/0.7077, allocations: 326.5 kB / 0.73 GB, free: 14.29 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004101/0.7081, allocations: 118.6 kB / 0.7301 GB, free: 14.17 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01152/0.7197, allocations: 4.596 MB / 0.7346 GB, free: 9.512 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.924e-05/0.7197, allocations: 19.98 kB / 0.7346 GB, free: 9.492 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.425e-05/0.7198, allocations: 8 kB / 0.7346 GB, free: 9.484 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.74e-05/0.7198, allocations: 7.984 kB / 0.7346 GB, free: 9.477 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0173/0.7371, allocations: 8.309 MB / 0.7427 GB, free: 0.9609 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.658e-05/0.7372, allocations: 8 kB / 0.7427 GB, free: 0.9531 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002422/0.7396, allocations: 0.5351 MB / 0.7433 GB, free: 428 kB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.2784/1.018, allocations: 0.7017 MB / 0.7439 GB, free: 155.3 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000318/1.018, allocations: 51.95 kB / 0.744 GB, free: 155.3 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01214/1.03, allocations: 13.3 MB / 0.757 GB, free: 146.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.057e-06/1.031, allocations: 11.69 kB / 0.757 GB, free: 146.5 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01067/1.041, allocations: 4.29 MB / 0.7612 GB, free: 144.8 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001117/1.042, allocations: 480.6 kB / 0.7616 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002337/1.043, allocations: 33.05 kB / 0.7617 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002332/1.045, allocations: 394.9 kB / 0.762 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003557/1.045, allocations: 135.5 kB / 0.7622 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001455/1.045, allocations: 64.02 kB / 0.7622 GB, free: 144.5 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001086/1.047, allocations: 0.7748 MB / 0.763 GB, free: 144.2 MB / 0.5762 GB Notification: Performance of sort global known variables: time 2.51e-07/1.047, allocations: 1.031 kB / 0.763 GB, free: 144.2 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.003827/1.05, allocations: 1.16 MB / 0.7641 GB, free: 144.1 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (107): * Single equations (assignments): 101 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002836/1.051, allocations: 150.9 kB / 0.7643 GB, free: 144 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.02016/1.071, allocations: 8.211 MB / 0.7723 GB, free: 140.7 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 1.732e-05/1.071, allocations: 5.25 kB / 0.7723 GB, free: 140.7 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.006332/1.077, allocations: 2.754 MB / 0.775 GB, free: 139.4 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001646/1.079, allocations: 187 kB / 0.7752 GB, free: 139.3 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01879/1.098, allocations: 7.341 MB / 0.7823 GB, free: 136.9 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002095/1.1, allocations: 2.332 MB / 0.7846 GB, free: 135.8 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.00314/1.103, allocations: 1.288 MB / 0.7859 GB, free: 135.7 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000498/1.104, allocations: 130.3 kB / 0.786 GB, free: 135.7 MB / 0.5762 GB Notification: Performance of SimCode: time 1.453e-06/1.104, allocations: 0 / 0.786 GB, free: 135.7 MB / 0.5762 GB Notification: Performance of Templates: time 0.04247/1.146, allocations: 32.65 MB / 0.8179 GB, free: 108.3 MB / 0.5762 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe 2>&1)