updated CRIGRE examples

examples/CIGREMV_tests/comparison_dpsim_state_estimator.py

-import numpy as np
-import math
-import sys
-import copy
 import logging
+import numpy as np
 import matplotlib.pyplot as plt
 
-sys.path.append("../../../cimpy")
 import cimpy
-
-sys.path.append("../../acs/state_estimation")
-import network
-import measurement
-import nv_state_estimator_cim
-import results
+from  acs.state_estimation import network
+from  acs.state_estimation import measurement
+from  acs.state_estimation import nv_state_estimator_cim
+from  acs.state_estimation import results
 
 logging.basicConfig(filename='CIGRE.log', level=logging.INFO, filemode='w')
 
@@ -25,10 +19,11 @@ cim_xml_files=[cim_xml_path + r"\Rootnet_FULL_NE_06J16h_DI.xml",
 #read cim files and create new network.Systen object
 res=cimpy.cimread(cim_xml_files)
 system = network.System()
-system.load_cim_data(res)
+base_apparent_power = 25    #MW
+system.load_cim_data(res, base_apparent_power)
 
 #read Input-Ergebnisdatei and store it in a results.Results object
-loadflow_results_path = r"C:\Users\Martin\Desktop\hiwi\git\reference-results\DPsim\StaticPhasor"
+loadflow_results_path = r"..\..\..\reference-results\DPsim\StaticPhasor"
 loadflow_results_file = loadflow_results_path + r"\CIGRE-MV-NoTap.csv" 
 powerflow_results = results.Results(system)
 powerflow_results.read_data_dpsim(loadflow_results_file)
@@ -46,9 +41,9 @@ Pmu_phase_unc = 0
 """use all node voltages as measures"""
 measurements_set = measurement.Measurents_set()
 for node in powerflow_results.nodes:
-	measurements_set.create_measurement(node.topology_node, nv_state_estimator_cim.ElemType.Node, nv_state_estimator_cim.MeasType.Vpmu_mag, np.absolute(node.voltage), Pmu_mag_unc)
+	measurements_set.create_measurement(node.topology_node, measurement.ElemType.Node, measurement.MeasType.Vpmu_mag, np.absolute(node.voltage), Pmu_mag_unc)
 for node in powerflow_results.nodes:
-	measurements_set.create_measurement(node.topology_node, nv_state_estimator_cim.ElemType.Node, nv_state_estimator_cim.MeasType.Vpmu_phase, np.angle(node.voltage), Pmu_phase_unc)
+	measurements_set.create_measurement(node.topology_node, measurement.ElemType.Node, measurement.MeasType.Vpmu_phase, np.angle(node.voltage), Pmu_phase_unc)
 measurements_set.meas_creation()
 
 # Perform state estimation
@@ -56,7 +51,7 @@ state_estimation_results_ideal = nv_state_estimator_cim.DsseCall(system, measure
 
 # Show numerical comparison
 Vest_ideal = state_estimation_results_ideal.get_voltages()
-Vtrue = powerflow_results.get_voltages()
+Vtrue = powerflow_results.get_voltages(pu=False)
 print(Vest_ideal - Vtrue)
 
 # --- State Estimation with Non-Ideal Measurements ---
@@ -67,9 +62,9 @@ Pmu_mag_unc = 1
 """use all node voltages as measures"""
 measurements_set = measurement.Measurents_set()
 for node in powerflow_results.nodes:
-	measurements_set.create_measurement(node.topology_node, nv_state_estimator_cim.ElemType.Node, nv_state_estimator_cim.MeasType.Vpmu_mag, np.absolute(node.voltage), Pmu_mag_unc)
+	measurements_set.create_measurement(node.topology_node, measurement.ElemType.Node, measurement.MeasType.Vpmu_mag, np.absolute(node.voltage), Pmu_mag_unc)
 for node in powerflow_results.nodes:
-	measurements_set.create_measurement(node.topology_node, nv_state_estimator_cim.ElemType.Node, nv_state_estimator_cim.MeasType.Vpmu_phase, np.angle(node.voltage), Pmu_phase_unc)
+	measurements_set.create_measurement(node.topology_node, measurement.ElemType.Node, measurement.MeasType.Vpmu_phase, np.angle(node.voltage), Pmu_phase_unc)
 measurements_set.meas_creation()
 
 # Perform state estimation

examples/CIGREMV_tests/test_nv_powerflow_cim.py

-import sys
 import logging
 from  acs.state_estimation import network
 from  acs.state_estimation import nv_powerflow_cim
+from  acs.state_estimation import results
 import cimpy
 
 logging.basicConfig(filename='CIGRE.log', level=logging.INFO, filemode='w')
 
-cim_xml_path = r"C:\Users\Martin\Desktop\hiwi\git\cim-grid-data\CIGRE_MV\CIGRE_MV_no_tapchanger_With_LoadFlow_Results"
+cim_xml_path = r"..\..\..\cim-grid-data\CIGRE_MV\CIGRE_MV_no_tapchanger_With_LoadFlow_Results"
 cim_xml_files=[cim_xml_path + r"\Rootnet_FULL_NE_06J16h_DI.xml", 
 		   cim_xml_path + r"\Rootnet_FULL_NE_06J16h_EQ.xml",
 		   cim_xml_path + r"\Rootnet_FULL_NE_06J16h_SV.xml",
@@ -19,9 +19,23 @@ base_apparent_power = 25    #MW
 system.load_cim_data(res, base_apparent_power)
 
 #Execute power flow analysis
-results, num_iter_cim = nv_powerflow_cim.solve(system)
+results_pf, num_iter_cim = nv_powerflow_cim.solve(system)
 
 #print node voltages
-print("results.voltages (pu): ")
-for node in results.nodes:
+print("results_pf.voltages: ")
+for node in results_pf.nodes:
     print('{}={}'.format(node.topology_node.uuid, node.voltage))
+print("\n\n\n")
+
+# Show numerical comparison 
+loadflow_results_path = r"..\..\..\reference-results\DPsim\StaticPhasor"
+
+loadflow_results_file = loadflow_results_path + r"\CIGRE-MV-NoTap.csv"
+results_dpsim = results.Results(system)
+results_dpsim.read_data_dpsim(file_name=loadflow_results_file)
+
+print("numerical comparison : results_pf.voltages - results_dpsim.voltages ")
+for pf_node in results_pf.nodes:
+	dpsim_node = results_dpsim.get_node(uuid=pf_node.topology_node.uuid)
+	diff = pf_node.voltage - dpsim_node.voltage/1000
+	print('pf_node.{}-dpsim_node.{} = {}'.format(pf_node.topology_node.uuid, dpsim_node.topology_node.uuid, diff))
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