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Bug: power sensor at transformer; node connected with link #1571

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Merged
Jerry-Jinfeng-Guo merged 4 commits into from
Sep 4, 2026
Merged

Bug: power sensor at transformer; node connected with link #1571

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e370322
minimal repro case
Jerry-Jinfeng-Guo Sep 4, 2026
9bbd9e7
update results using older version of pgm
Jerry-Jinfeng-Guo Sep 4, 2026
f73d6b7
Merge pull request #1572 from PowerGridModel/bugfix/sparse-matrix-err…
Jerry-Jinfeng-Guo Sep 4, 2026
b689f5e
Change type from 'sym_output' to 'asym_output'
TonyXiang8787 Sep 4, 2026
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254 changes: 254 additions & 0 deletions tests/data/state_estimation/link/asym_output.json
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{
"version": "1.0",
"type": "asym_output",
"is_batch": false,
"attributes": {},
"data": {
"node": [
{
"id": 30,
"energized": 1,
"u_pu": [
1.0000000100640516,
1.0000000100640518,
1.0000000100640518
],
"u": [
230.94011000004346,
230.94011000004352,
230.94011000004352
],
"u_angle": [
-3.607050966088345e-05,
-2.0944311729028566,
2.094359031883535
],
"p": [
0.0,
-0.0012418410248675865,
0.009268427792436354
],
"q": [
-0.0,
-0.0021507525858327006,
-0.006119996943348736
]
},
{
"id": 90,
"energized": 1,
"u_pu": [
1.0000101195612183,
1.0000101195612185,
1.0000101195612183
],
"u": [
5773.561117210193,
5773.5611172101935,
5773.561117210193
],
"u_angle": [
-6.776195005914213e-21,
-2.0943951023931957,
2.0943951023931957
],
"p": [
393.3408030101657,
393.3408030098129,
393.3408030088496
],
"q": [
0.007654988835790601,
0.007654989582357776,
0.00765498827708678
]
},
{
"id": 112,
"energized": 1,
"u_pu": [
1.0000000100640516,
1.000000010064052,
1.0000000100640516
],
"u": [
230.94011000004346,
230.94011000004355,
230.94011000004346
],
"u_angle": [
-3.6070509660883455e-05,
-2.0944311729028566,
2.094359031883535
],
"p": [
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-0.004495174863230333
],
"q": [
-0.0005375343256626614,
-0.0006991445095695525,
-0.0005247856136144402
]
}
],
"source": [
{
"id": 207,
"energized": 1,
"p": [
393.3408030101657,
393.3408030098129,
393.3408030088496
],
"q": [
0.007654988835790601,
0.007654989582357776,
0.00765498827708678
],
"i": [
0.06812793613843621,
0.06812793613837509,
0.06812793613820825
],
"s": [
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393.34080308430157,
393.3408030833383
],
"pf": [
0.9999999998106257,
0.9999999998106256,
0.9999999998106256
]
}
],
"transformer": [
{
"id": 208,
"energized": 1,
"loading": 0.0018730514432576098,
"p_from": [
393.3408030101657,
393.3408030098129,
393.3408030088496
],
"q_from": [
0.007654988835790601,
0.007654989582357776,
0.00765498827708678
],
"i_from": [
0.06812793613843621,
0.06812793613837509,
0.06812793613820826
],
"s_from": [
393.34080308465434,
393.34080308430157,
393.3408030833383
],
"p_to": [
-0.0014972687986235403,
-0.0014972693598851046,
-0.0014972685747695362
],
"q_to": [
-0.0005609905429188497,
-0.0005609913192535611,
-0.0005609908303419999
],
"i_to": [
6.9234982935624505e-06,
6.923501748849574e-06,
6.923497822536436e-06
],
"s_to": [
0.0015989134575004255,
0.0015989142554648143,
0.0015989133487216264
]
}
],
"link": [
{
"id": 229,
"energized": 1,
"loading": 0.0,
"p_from": [
0.0,
-0.0012418410248675865,
0.009268427792436354
],
"q_from": [
-0.0,
-0.0021507525858327006,
-0.006119996943348736
],
"i_from": [
0.0,
1.0753986783132437e-05,
4.8093290952436835e-05
],
"s_from": [
0.0,
0.002483526890635619,
0.011106669902819858
],
"p_to": [
0.0,
0.001241841024867587,
-0.009268427792436354
],
"q_to": [
-0.0,
0.0021507525858327006,
0.006119996943348735
],
"i_to": [
0.0,
1.0753986783132437e-05,
4.8093290952436835e-05
],
"s_to": [
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]
}
],
"asym_voltage_sensor": [
{
"id": 329,
"energized": 1,
"u_residual": [
-4.3433317209783434e-11,
-4.348459621475366e-11,
-4.348459621475366e-11
],
"u_angle_residual": [
null,
null,
null
]
}
],
"asym_power_sensor": [
{
"id": 466,
"energized": 1,
"p_residual": [
0.0014972687986235403,
0.0014972693598851046,
0.0014972685747695362
],
"q_residual": [
0.0005609905429188497,
0.0005609913192535611,
0.0005609908303419999
]
}
]
}
}
3 changes: 3 additions & 0 deletions tests/data/state_estimation/link/asym_output.json.license
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SPDX-FileCopyrightText: Contributors to the Power Grid Model project <powergridmodel@lfenergy.org>

SPDX-License-Identifier: MPL-2.0
29 changes: 29 additions & 0 deletions tests/data/state_estimation/link/input.json
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{
"version": "1.0",
"type": "input",
"is_batch": false,
"attributes": {},
"data": {
"node": [
{"id": 30, "u_rated": 400},
{"id": 90, "u_rated": 10000},
{"id": 112, "u_rated": 400}
],
"source": [
{"id": 207, "node": 90, "status": 1, "u_ref": 1, "u_ref_angle": 0}
],
"transformer": [
{"id": 208, "from_node": 90, "to_node": 112, "from_status": 1, "to_status": 1, "u1": 10000, "u2": 400, "sn": 630000, "uk": 0.040000000000000001, "pk": 6800.2200000000003, "i0": 0.0018730158730158729, "p0": 1180, "winding_from": 1, "winding_to": 1, "clock": 0, "tap_side": 1, "tap_pos": 5, "tap_min": 1, "tap_max": 9, "tap_nom": 5, "tap_size": 10, "r_grounding_from": 0, "x_grounding_from": 0, "r_grounding_to": 0, "x_grounding_to": 0}
],
"link": [
{"id": 229, "from_node": 30, "to_node": 112, "from_status": 1, "to_status": 1}
],
"asym_voltage_sensor": [
{"id": 329, "measured_object": 30, "u_sigma": 2.3094000000000001, "u_measured": [230.94011, 230.94011, 230.94011]}

],
"asym_power_sensor": [
{"id": 466, "measured_object": 208, "measured_terminal_type": 1, "p_measured": [0, 0, 0], "q_measured": [0, 0, 0], "p_sigma": [1000, 1000, 1000], "q_sigma": [1000, 1000, 1000]}
]
}
}
3 changes: 3 additions & 0 deletions tests/data/state_estimation/link/input.json.license
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SPDX-FileCopyrightText: Contributors to the Power Grid Model project <powergridmodel@lfenergy.org>

SPDX-License-Identifier: MPL-2.0
12 changes: 12 additions & 0 deletions tests/data/state_estimation/link/params.json
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{
"calculation_method": ["iterative_linear", "newton_raphson"],
"rtol": 1e-3,
"atol": {
"default": 1e-5,
".+_residual": 0.15
},
"xfail": {
"raises": "SparseMatrixError",
"reason": "Bug in https://github.com/PowerGridModel/power-grid-model/issues/1567"
}
}
3 changes: 3 additions & 0 deletions tests/data/state_estimation/link/params.json.license
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SPDX-FileCopyrightText: Contributors to the Power Grid Model project <powergridmodel@lfenergy.org>

SPDX-License-Identifier: MPL-2.0
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