diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5064f33bc..f1454c24f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -30,12 +30,7 @@
   <component name="ChangeListManager">
     <list default="true" id="aa3ee678-6e91-470f-91a9-09e9d8a4756d" name="Changes" comment="Contingencies and remedial actions are not mapped to an enum: ContingencyOperationTypes&#10;Added CGMES HVDC mapping option">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCal/Gui/Main/SubClasses/io.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCal/Gui/Main/SubClasses/io.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCal/__version__.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCal/__version__.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Devices/Branches/transformer3w.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Devices/Branches/transformer3w.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/IO/cim/cgmes/cgmes_to_gridcal.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/IO/cim/cgmes/cgmes_to_gridcal.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/__version__.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/__version__.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalServer/__version__.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalServer/__version__.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/IO/raw/raw_to_gridcal.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/IO/raw/raw_to_gridcal.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -148,6 +143,7 @@
     "Python tests.pytest for src.tests.test_generator_q_control.test_q_control_true.executor": "Run",
     "Python tests.pytest for src.tests.test_load_all_grids.test_line_templates_finding.executor": "Run",
     "Python tests.pytest for src.tests.test_ptdf.executor": "Run",
+    "Python tests.pytest for src.tests.test_raw_roundtrip.test_rawx_roundtrip.executor": "Run",
     "Python tests.pytest for src.tests.test_topology_processor.test_topology_NL_microgrid.executor": "Run",
     "Python tests.pytest for test_ntc.test_ntc_ieee_14.executor": "Run",
     "Python tests.pytest in test_load_all_grids.py.executor": "Run",
@@ -204,7 +200,7 @@
       <recent name="C:\WorkProjects\PycharmProjects\GridCal\src\GridCalEngine\IO\cim\cgmes\export_docs" />
     </key>
   </component>
-  <component name="RunManager" selected="Python.ExecuteGridCal">
+  <component name="RunManager" selected="Python tests.pytest for src.tests.test_raw_roundtrip.test_rawx_roundtrip">
     <configuration default="true" type="DjangoTestsConfigurationType">
       <module name="GridCalEngine" />
       <option name="ENV_FILES" value="" />
@@ -612,7 +608,7 @@
       <option name="_new_targetType" value="&quot;PATH&quot;" />
       <method v="2" />
     </configuration>
-    <configuration name="pytest for src.tests.test_cgmes_to_gridcal_ac_transformers.test_ac_transformers3w_only_two_terminals_log_error" type="tests" factoryName="py.test" temporary="true" nameIsGenerated="true">
+    <configuration name="pytest for src.tests.test_ptdf" type="tests" factoryName="py.test" temporary="true" nameIsGenerated="true">
       <module name="GridCal" />
       <option name="ENV_FILES" value="" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -626,11 +622,11 @@
       <option name="_new_keywords" value="&quot;&quot;" />
       <option name="_new_parameters" value="&quot;&quot;" />
       <option name="_new_additionalArguments" value="&quot;&quot;" />
-      <option name="_new_target" value="&quot;src.tests.test_cgmes_to_gridcal_ac_transformers.test_ac_transformers3w_only_two_terminals_log_error&quot;" />
+      <option name="_new_target" value="&quot;src.tests.test_ptdf&quot;" />
       <option name="_new_targetType" value="&quot;PYTHON&quot;" />
       <method v="2" />
     </configuration>
-    <configuration name="pytest for src.tests.test_ptdf" type="tests" factoryName="py.test" temporary="true" nameIsGenerated="true">
+    <configuration name="pytest for src.tests.test_raw_roundtrip.test_rawx_roundtrip" type="tests" factoryName="py.test" temporary="true" nameIsGenerated="true">
       <module name="GridCal" />
       <option name="ENV_FILES" value="" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -644,7 +640,7 @@
       <option name="_new_keywords" value="&quot;&quot;" />
       <option name="_new_parameters" value="&quot;&quot;" />
       <option name="_new_additionalArguments" value="&quot;&quot;" />
-      <option name="_new_target" value="&quot;src.tests.test_ptdf&quot;" />
+      <option name="_new_target" value="&quot;src.tests.test_raw_roundtrip.test_rawx_roundtrip&quot;" />
       <option name="_new_targetType" value="&quot;PYTHON&quot;" />
       <method v="2" />
     </configuration>
@@ -669,17 +665,17 @@
     <list>
       <item itemvalue="Python.update_gui_file" />
       <item itemvalue="Python.ExecuteGridCal" />
+      <item itemvalue="Python tests.pytest for src.tests.test_raw_roundtrip.test_rawx_roundtrip" />
       <item itemvalue="Python tests.pytest for src.tests.test_ptdf" />
-      <item itemvalue="Python tests.pytest for src.tests.test_cgmes_to_gridcal_ac_transformers.test_ac_transformers3w_only_two_terminals_log_error" />
       <item itemvalue="Python tests.pytest in tests" />
     </list>
     <recent_temporary>
       <list>
+        <item itemvalue="Python tests.pytest for src.tests.test_raw_roundtrip.test_rawx_roundtrip" />
+        <item itemvalue="Python tests.pytest in tests" />
         <item itemvalue="Python.ExecuteGridCal" />
         <item itemvalue="Python.update_gui_file" />
-        <item itemvalue="Python tests.pytest in tests" />
         <item itemvalue="Python tests.pytest for src.tests.test_ptdf" />
-        <item itemvalue="Python tests.pytest for src.tests.test_cgmes_to_gridcal_ac_transformers.test_ac_transformers3w_only_two_terminals_log_error" />
       </list>
     </recent_temporary>
   </component>
@@ -2545,6 +2541,7 @@
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in__home_santi_Documentos_Git_GitHub_GridCal_src_tests_test_simple_mip_py.coverage" NAME="Nosetests in /home/santi/Documentos/Git/GitHub/GridCal/src/tests/test_simple_mip.py Coverage Results" MODIFIED="1704896156803" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$n_minus_k_ts_driver.coverage" NAME="n_minus_k_ts_driver Coverage Results" MODIFIED="1616706318512" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Engine/Simulations/NK" />
     <SUITE FILE_PATH="coverage/GridCal$short_circuit_driver.coverage" NAME="short_circuit_driver Coverage Results" MODIFIED="1660563199034" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Engine/Simulations/ShortCircuitStudies" />
+    <SUITE FILE_PATH="coverage/GridCal$pytest_for_src_tests_test_raw_roundtrip_test_rawx_roundtrip.coverage" NAME="pytest for src.tests.test_raw_roundtrip.test_rawx_roundtrip Coverage Results" MODIFIED="1729673989039" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$raw_to_gridcal.coverage" NAME="raw_to_gridcal Coverage Results" MODIFIED="1719225171791" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCalEngine/IO/raw" />
     <SUITE FILE_PATH="coverage/GridCal$setup__Engine_.coverage" NAME="setup (Engine) Coverage Results" MODIFIED="1694348240068" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src" />
     <SUITE FILE_PATH="coverage/GridCal$se_editor.coverage" NAME="se_editor Coverage Results" MODIFIED="1651392905536" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/qt_related" />
@@ -2666,7 +2663,7 @@
     <SUITE FILE_PATH="coverage/GridCal$lhs_ts.coverage" NAME="lhs_ts Coverage Results" MODIFIED="1657744078958" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/interpolation" />
     <SUITE FILE_PATH="coverage/GridCal$arrillagas_book_grids_to_gridcal.coverage" NAME="arrillagas_book_grids_to_gridcal Coverage Results" MODIFIED="1659437177352" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/experimental_readers" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_test_reverse_transformer_definition_py.coverage" NAME="Nosetests in test_reverse_transformer_definition.py Coverage Results" MODIFIED="1609501285838" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
-    <SUITE FILE_PATH="coverage/GridCal$pytest_in_tests.coverage" NAME="pytest in tests Coverage Results" MODIFIED="1729668880496" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
+    <SUITE FILE_PATH="coverage/GridCal$pytest_in_tests.coverage" NAME="pytest in tests Coverage Results" MODIFIED="1729673769247" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$linear_analysis_run.coverage" NAME="linear_analysis_run Coverage Results" MODIFIED="1696330787545" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/examples" />
     <SUITE FILE_PATH="coverage/GridCal$all2_refactored.coverage" NAME="all2_refactored Coverage Results" MODIFIED="1614533302435" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/PGD" />
     <SUITE FILE_PATH="coverage/GridCal$analytic_ptdf_driver.coverage" NAME="analytic_ptdf_driver Coverage Results" MODIFIED="1600179811175" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Engine/Simulations/PTDF" />
diff --git a/src/GridCalEngine/IO/raw/raw_to_gridcal.py b/src/GridCalEngine/IO/raw/raw_to_gridcal.py
index 191f0c662..3311342b6 100644
--- a/src/GridCalEngine/IO/raw/raw_to_gridcal.py
+++ b/src/GridCalEngine/IO/raw/raw_to_gridcal.py
@@ -19,25 +19,16 @@
 from GridCalEngine.basic_structures import Logger
 import GridCalEngine.Devices as dev
 from GridCalEngine.Devices.multi_circuit import MultiCircuit
-from GridCalEngine.IO.raw.devices.area import RawArea
 from GridCalEngine.IO.raw.devices.branch import RawBranch
 from GridCalEngine.IO.raw.devices.bus import RawBus
 from GridCalEngine.IO.raw.devices.facts import RawFACTS
 from GridCalEngine.IO.raw.devices.generator import RawGenerator
-from GridCalEngine.IO.raw.devices.induction_machine import RawInductionMachine
-from GridCalEngine.IO.raw.devices.inter_area import RawInterArea
 from GridCalEngine.IO.raw.devices.load import RawLoad
 from GridCalEngine.IO.raw.devices.fixed_shunt import RawFixedShunt
 from GridCalEngine.IO.raw.devices.switched_shunt import RawSwitchedShunt
 from GridCalEngine.IO.raw.devices.transformer import RawTransformer
 from GridCalEngine.IO.raw.devices.two_terminal_dc_line import RawTwoTerminalDCLine
 from GridCalEngine.IO.raw.devices.vsc_dc_line import RawVscDCLine
-from GridCalEngine.IO.raw.devices.zone import RawZone
-from GridCalEngine.IO.raw.devices.owner import RawOwner
-from GridCalEngine.IO.raw.devices.substation import RawSubstation
-from GridCalEngine.IO.raw.devices.gne_device import RawGneDevice
-from GridCalEngine.IO.raw.devices.system_switching_device import RawSystemSwitchingDevice
-from GridCalEngine.IO.base.base_circuit import BaseCircuit
 from GridCalEngine.IO.raw.devices.psse_circuit import PsseCircuit
 from GridCalEngine.enumerations import TapChangerTypes
 
@@ -263,7 +254,7 @@ def get_gridcal_generator(psse_elm: RawGenerator, psse_bus_dict: Dict[int, dev.B
                         Pmax=psse_elm.PT,
                         Pmin=psse_elm.PB,
                         active=bool(psse_elm.STAT),
-                        power_factor=psse_elm.WPF)
+                        power_factor=psse_elm.WPF if psse_elm.WPF is not None else 0.8)
 
     if psse_elm.IREG > 0:
         if psse_elm.IREG != psse_elm.I: