Merge pull request #777 from PowerGridModel/feature/meshed-trafo-auto…

…-tap-validation

auto tap validation test for meshed grid with transformers

pyproject.toml

@@ -14,7 +14,9 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "power-grid-model"
-authors = [{ name = "Contributors to the Power Grid Model project", email = "powergridmodel@lfenergy.org" }]
+authors = [
+    { name = "Contributors to the Power Grid Model project", email = "powergridmodel@lfenergy.org" },
+]
 description = "Python/C++ library for distribution power system analysis"
 readme = "README.md"
 license = { text = "MPL-2.0" }
@@ -32,22 +34,14 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Physics",
 ]
 requires-python = ">=3.10"
-dependencies = [
-    "numpy>=1.21.0",
-]
+dependencies = ["numpy>=1.21.0"]
 dynamic = ["version"]
 
 
 [project.optional-dependencies]
-dev = [
-    "msgpack",
-    "pre-commit",
-    "pylint",
-    "pytest",
-    "pytest-cov",
-]
+dev = ["msgpack", "pre-commit", "pylint", "pytest", "pytest-cov"]
 doc = [
-    "sphinx",
+    "sphinx<8.1",                # Upper bound pin on sphinx can be removed once https://github.com/mgaitan/sphinxcontrib-mermaid/issues/160 is resolved
     "breathe",
     "myst_nb",
     "sphinx_rtd_theme",
@@ -71,14 +65,23 @@ where = ["src"]
 namespaces = false
 
 [tool.setuptools.dynamic]
-version = {file = "PYPI_VERSION"}
+version = { file = "PYPI_VERSION" }
 
 [tool.setuptools.package-data]
 "power_grid_model" = ["py.typed"]
 
 [tool.pytest.ini_options]
 testpaths = ["tests/unit"]
-addopts = ["--cov=power_grid_model", "--cov-report", "term", "--cov-report", "html:python_cov_html", "--cov-report", "xml:python_coverage.xml", "--cov-fail-under=95"]
+addopts = [
+    "--cov=power_grid_model",
+    "--cov-report",
+    "term",
+    "--cov-report",
+    "html:python_cov_html",
+    "--cov-report",
+    "xml:python_coverage.xml",
+    "--cov-fail-under=95",
+]
 xfail_strict = true
 
 [tool.black]
@@ -116,14 +119,14 @@ skip = ["pp*", "*-musllinux_aarch64"]
 archs = ["x86_64", "aarch64"]
 # force auditwheel to use manylinux_2_24 to support Amazon Linux 2 when building in manylinux_2_28
 repair-wheel-command = "auditwheel repair --plat ${AUDITWHEEL_PLAT//2_28/2_24} -w {dest_dir} {wheel}"
-environment = { CC="gcc", CXX="g++" }
+environment = { CC = "gcc", CXX = "g++" }
 manylinux-x86_64-image = "manylinux_2_28"
 manylinux-aarch64-image = "manylinux_2_28"
 musllinux-x86_64-image = "musllinux_1_2"
 
 [tool.cibuildwheel.macos]
 archs = ["x86_64", "arm64"]
-environment = { CC="clang", CXX="clang++" }
+environment = { CC = "clang", CXX = "clang++" }
 
 [tool.cibuildwheel.windows]
 archs = ["AMD64"]

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-any/input.json

@@ -0,0 +1,59 @@
+{
+  "version": "1.0",
+  "type": "input",
+  "is_batch": false,
+  "attributes": {},
+  "data": {
+    "node": [
+      {"id": 0, "u_rated": 10000},
+      {"id": 1, "u_rated": 10000},
+      {"id": 2, "u_rated": 10000},
+      {"id": 3, "u_rated": 10000},
+      {"id": 4, "u_rated": 10000},
+      {"id": 5, "u_rated": 10000},
+      {"id": 6, "u_rated": 10000},
+      {"id": 7, "u_rated": 400},
+      {"id": 8, "u_rated": 400},
+      {"id": 9, "u_rated": 400},
+      {"id": 10, "u_rated": 400}
+    ],
+    "line": [
+      {"id": 11, "from_node": 0, "to_node": 1, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 12, "from_node": 0, "to_node": 2, "from_status": 1, "to_status": 1, "r1": 0.1, "x1": 0.6, "c1": 0, "tan1": 0},
+      {"id": 13, "from_node": 3, "to_node": 5, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 14, "from_node": 4, "to_node": 6, "from_status": 1, "to_status": 1, "r1": 0.003, "x1": 0.3, "c1": 0, "tan1": 0},
+      {"id": 15, "from_node": 7, "to_node": 9, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 16, "from_node": 8, "to_node": 9, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.6, "c1": 0, "tan1": 0}
+    ],
+    "transformer": [
+      {"id": 17, "from_node": 1, "to_node": 3, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 10000, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 100},
+      {"id": 18, "from_node": 2, "to_node": 4, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 10000, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 100},
+      {"id": 19, "from_node": 5, "to_node": 7, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20},
+      {"id": 20, "from_node": 6, "to_node": 8, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20},
+      {"id": 21, "from_node": 9, "to_node": 10, "from_status": 1, "to_status": 1, "u1": 400, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20}
+    ],
+    "source": [
+      {"id": 22, "node": 0, "status": 1, "u_ref": 1}
+    ],
+    "sym_load": [
+      {"id": 23, "node": 0, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 24, "node": 1, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 25, "node": 2, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 26, "node": 3, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 27, "node": 4, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 28, "node": 5, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 29, "node": 6, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 30, "node": 7, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 31, "node": 8, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 32, "node": 9, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 33, "node": 10, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000}
+    ],
+    "transformer_tap_regulator": [
+      {"id": 34, "regulated_object": 17, "status": 1, "control_side": 1, "u_set": 10000, "u_band": 300},
+      {"id": 35, "regulated_object": 18, "status": 1, "control_side": 1, "u_set": 10000, "u_band": 300},
+      {"id": 36, "regulated_object": 19, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60},
+      {"id": 37, "regulated_object": 20, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60},
+      {"id": 38, "regulated_object": 21, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60}
+    ]
+  }
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-any/input.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-any/params.json

@@ -0,0 +1,6 @@
+{
+  "calculation_method": "newton_raphson",
+  "tap_changing_strategy": "any_valid_tap",
+  "rtol": 1e-05,
+  "atol": 1e-05
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-any/params.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-any/sym_output.json

@@ -0,0 +1,28 @@
+{
+  "version": "1.0",
+  "type": "sym_output",
+  "is_batch": false,
+  "attributes": {},
+  "data": {
+    "node": [
+      {"id": 0, "u_pu": 0.9999685775574514, "u": 9999.685775574513},
+      {"id": 1, "u_pu": 0.9994333873631714, "u": 9994.333873631715},
+      {"id": 2, "u_pu": 0.9989235130236771, "u": 9989.235130236772},
+      {"id": 3, "u_pu": 0.994851508142734, "u": 9948.51508142734},
+      {"id": 4, "u_pu": 0.9945461001910171, "u": 9945.461001910171},
+      {"id": 5, "u_pu": 0.9944290227324328, "u": 9944.290227324329},
+      {"id": 6, "u_pu": 0.9943233999502603, "u": 9943.233999502603},
+      {"id": 7, "u_pu": 0.9920807600913329, "u": 396.8323040365332},
+      {"id": 8, "u_pu": 0.992180588914527, "u": 396.8722355658108},
+      {"id": 9, "u_pu": 0.8682948639612919, "u": 347.3179455845167},
+      {"id": 10, "u_pu": 0.9636190035727636, "u": 385.4476014291055}
+    ],
+    "transformer_tap_regulator": [
+      {"id": 34, "tap_pos": 0},
+      {"id": 35, "tap_pos": 0},
+      {"id": 36, "tap_pos": 0},
+      {"id": 37, "tap_pos": 0},
+      {"id": 38, "tap_pos": -2}
+    ]
+  }
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-any/sym_output.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-fast-any/input.json

@@ -0,0 +1,59 @@
+{
+  "version": "1.0",
+  "type": "input",
+  "is_batch": false,
+  "attributes": {},
+  "data": {
+    "node": [
+      {"id": 0, "u_rated": 10000},
+      {"id": 1, "u_rated": 10000},
+      {"id": 2, "u_rated": 10000},
+      {"id": 3, "u_rated": 10000},
+      {"id": 4, "u_rated": 10000},
+      {"id": 5, "u_rated": 10000},
+      {"id": 6, "u_rated": 10000},
+      {"id": 7, "u_rated": 400},
+      {"id": 8, "u_rated": 400},
+      {"id": 9, "u_rated": 400},
+      {"id": 10, "u_rated": 400}
+    ],
+    "line": [
+      {"id": 11, "from_node": 0, "to_node": 1, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 12, "from_node": 0, "to_node": 2, "from_status": 1, "to_status": 1, "r1": 0.1, "x1": 0.6, "c1": 0, "tan1": 0},
+      {"id": 13, "from_node": 3, "to_node": 5, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 14, "from_node": 4, "to_node": 6, "from_status": 1, "to_status": 1, "r1": 0.003, "x1": 0.3, "c1": 0, "tan1": 0},
+      {"id": 15, "from_node": 7, "to_node": 9, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 16, "from_node": 8, "to_node": 9, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.6, "c1": 0, "tan1": 0}
+    ],
+    "transformer": [
+      {"id": 17, "from_node": 1, "to_node": 3, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 10000, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 100},
+      {"id": 18, "from_node": 2, "to_node": 4, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 10000, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 100},
+      {"id": 19, "from_node": 5, "to_node": 7, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20},
+      {"id": 20, "from_node": 6, "to_node": 8, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20},
+      {"id": 21, "from_node": 9, "to_node": 10, "from_status": 1, "to_status": 1, "u1": 400, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20}
+    ],
+    "source": [
+      {"id": 22, "node": 0, "status": 1, "u_ref": 1}
+    ],
+    "sym_load": [
+      {"id": 23, "node": 0, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 24, "node": 1, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 25, "node": 2, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 26, "node": 3, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 27, "node": 4, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 28, "node": 5, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 29, "node": 6, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 30, "node": 7, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 31, "node": 8, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 32, "node": 9, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 33, "node": 10, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000}
+    ],
+    "transformer_tap_regulator": [
+      {"id": 34, "regulated_object": 17, "status": 1, "control_side": 1, "u_set": 10000, "u_band": 300},
+      {"id": 35, "regulated_object": 18, "status": 1, "control_side": 1, "u_set": 10000, "u_band": 300},
+      {"id": 36, "regulated_object": 19, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60},
+      {"id": 37, "regulated_object": 20, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60},
+      {"id": 38, "regulated_object": 21, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60}
+    ]
+  }
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-fast-any/input.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-fast-any/params.json

@@ -0,0 +1,6 @@
+{
+  "calculation_method": "newton_raphson",
+  "tap_changing_strategy": "fast_any_tap",
+  "rtol": 1e-05,
+  "atol": 1e-05
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-fast-any/params.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-fast-any/sym_output.json

@@ -0,0 +1,28 @@
+{
+  "version": "1.0",
+  "type": "sym_output",
+  "is_batch": false,
+  "attributes": {},
+  "data": {
+    "node": [
+      {"id": 0, "u_pu": 0.9999685792035808, "u": 9999.685792035809},
+      {"id": 1, "u_pu": 0.9994334306729814, "u": 9994.334306729814},
+      {"id": 2, "u_pu": 0.9989235622047079, "u": 9989.235622047079},
+      {"id": 3, "u_pu": 0.9948516332849774, "u": 9948.516332849775},
+      {"id": 4, "u_pu": 0.994546217468617, "u": 9945.46217468617},
+      {"id": 5, "u_pu": 0.9944291896054542, "u": 9944.291896054543},
+      {"id": 6, "u_pu": 0.9943235381522523, "u": 9943.235381522523},
+      {"id": 7, "u_pu": 0.9920810084787994, "u": 396.8324033915198},
+      {"id": 8, "u_pu": 0.9921807948861237, "u": 396.8723179544494},
+      {"id": 9, "u_pu": 0.8683101472161173, "u": 347.3240588864469},
+      {"id": 10, "u_pu": 1.02045250228686, "u": 408.1810009147442}
+    ],
+    "transformer_tap_regulator": [
+      {"id": 34, "tap_pos": 0},
+      {"id": 35, "tap_pos": 0},
+      {"id": 36, "tap_pos": 0},
+      {"id": 37, "tap_pos": 0},
+      {"id": 38, "tap_pos": -3}
+    ]
+  }
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-fast-any/sym_output.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-max/input.json

@@ -0,0 +1,59 @@
+{
+  "version": "1.0",
+  "type": "input",
+  "is_batch": false,
+  "attributes": {},
+  "data": {
+    "node": [
+      {"id": 0, "u_rated": 10000},
+      {"id": 1, "u_rated": 10000},
+      {"id": 2, "u_rated": 10000},
+      {"id": 3, "u_rated": 10000},
+      {"id": 4, "u_rated": 10000},
+      {"id": 5, "u_rated": 10000},
+      {"id": 6, "u_rated": 10000},
+      {"id": 7, "u_rated": 400},
+      {"id": 8, "u_rated": 400},
+      {"id": 9, "u_rated": 400},
+      {"id": 10, "u_rated": 400}
+    ],
+    "line": [
+      {"id": 11, "from_node": 0, "to_node": 1, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 12, "from_node": 0, "to_node": 2, "from_status": 1, "to_status": 1, "r1": 0.1, "x1": 0.6, "c1": 0, "tan1": 0},
+      {"id": 13, "from_node": 3, "to_node": 5, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 14, "from_node": 4, "to_node": 6, "from_status": 1, "to_status": 1, "r1": 0.003, "x1": 0.3, "c1": 0, "tan1": 0},
+      {"id": 15, "from_node": 7, "to_node": 9, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.5, "c1": 0, "tan1": 0},
+      {"id": 16, "from_node": 8, "to_node": 9, "from_status": 1, "to_status": 1, "r1": 0.005, "x1": 0.6, "c1": 0, "tan1": 0}
+    ],
+    "transformer": [
+      {"id": 17, "from_node": 1, "to_node": 3, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 10000, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 100},
+      {"id": 18, "from_node": 2, "to_node": 4, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 10000, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 100},
+      {"id": 19, "from_node": 5, "to_node": 7, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20},
+      {"id": 20, "from_node": 6, "to_node": 8, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20},
+      {"id": 21, "from_node": 9, "to_node": 10, "from_status": 1, "to_status": 1, "u1": 400, "u2": 400, "sn": 300000, "uk": 0.0005, "pk": 1000, "i0": 0, "p0": 0, "winding_from": 2, "winding_to": 1, "clock": 5, "tap_side": 0, "tap_pos": 0, "tap_min": -10, "tap_max": 10, "tap_size": 20}
+    ],
+    "source": [
+      {"id": 22, "node": 0, "status": 1, "u_ref": 1}
+    ],
+    "sym_load": [
+      {"id": 23, "node": 0, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 24, "node": 1, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 25, "node": 2, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 26, "node": 3, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 27, "node": 4, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 28, "node": 5, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 29, "node": 6, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 30, "node": 7, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 31, "node": 8, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 32, "node": 9, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000},
+      {"id": 33, "node": 10, "status": 1, "type": 0, "p_specified": 100000, "q_specified": 10000}
+    ],
+    "transformer_tap_regulator": [
+      {"id": 34, "regulated_object": 17, "status": 1, "control_side": 1, "u_set": 10000, "u_band": 300},
+      {"id": 35, "regulated_object": 18, "status": 1, "control_side": 1, "u_set": 10000, "u_band": 300},
+      {"id": 36, "regulated_object": 19, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60},
+      {"id": 37, "regulated_object": 20, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60},
+      {"id": 38, "regulated_object": 21, "status": 1, "control_side": 1, "u_set": 400, "u_band": 60}
+    ]
+  }
+}

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-max/input.json.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Contributors to the Power Grid Model project <dynamic.grid.calculation@alliander.com>
+
+SPDX-License-Identifier: MPL-2.0

tests/data/power_flow/automatic-tap-regulator/auto-tap-changer-meshed-max/params.json

@@ -0,0 +1,6 @@
+{
+  "calculation_method": "newton_raphson",
+  "tap_changing_strategy": "max_voltage_tap",
+  "rtol": 1e-05,
+  "atol": 1e-05
+}