v0.7.0

Release notes

• Migrate to powsybl-core 3.7.1 (#162):
  • Loadflow results by component (#159)
  • Use loadflow parameters dc, DistributedSlack, BalanceType (#161)
• Security analysis beta version (#156, #135)
• Set open loadflow parameters from platform config file (#151, #158)
• Slack distribution on conform load (#144, #157)
• Add current values and permanent limits to LfBranch (#155)

v0.6.0

Release notes

• Migrate to PowSyBl core 3.6.0
• Update JGrapht to 1.4.0
• Add connectivity calculations utilities (for future fast security analysis)
• Equation terms activation/deactivation
• Fix dangling line p/q side issue
• Index equations and equation terms by subject
• Index branches by id
• Fix network number in logs

v0.5.0

Release notes

• Migrate to PowSyBl core 3.5.0
• Dangling line with generation support
• Performance optimization: build transposed Jacobian matrix
• Add logs for more detailed performance profiling
• Discard synchronous components with no PV bus
• Shunt admittance split support (configurable by a parameter)

v0.4.0

Release notes

• Migrate to PowSyBl core 3.4.0
• Solve non impedant branch with complex topology issue (like parallel non impedant branches)
• Fix warm start (initialization of voltage from IIDM values)
• Add a network json writer observer to dump internal model in JSON for debugging purpose
• Several fixes to reactive power distribution in case of generator/SVC remote voltage control
• Add low impedance cut option
• Add an option to configure behaviour in case of slack distribution failure (exception or warning)
• Fix NaN targetQ issue
• Phase shifter control support (only control mode and local control)
• Improve most meshed slack bus selection
• Fix reactive power setpoint of a static var compensator to follow a load sign convention
• GraalVM native image build on Linux/Windows/MacOS, support for XIIDM, UCTE, CGMES, IEEE CDF, MATPOWER and PSS/E importers

v0.3.0

Release notes

• Update to powsybl-core 3.3.0 (and powsybl-math-native 1.0.2)
• Compute flows of low impedance lines
• Slack distribution on loads
• PQ -> PV switch support in reactive limit outer loop
• LCC converter stations support
• Multiple synchronous components support (HVDC)
• Fix NullPointerException in case of regulating terminal not pointing to a valid bus
• Avoid switching all buses PV to PQ (the strongest PV bus stay PV)
• Fix outer loop stopping criteria to avoid incomplete convergence with multiple outer loops
• Non impendant branch support (lines and transformers)
• Add target voltage consistency validations

v0.2.0

Release notes

• Migrate to PowSyBl Core 3.2.0
• Generator and SVC voltage remote control support, rescale to a local control if not activated
• Adapt to breaking changes of powsybl-core 3.1.0 T3W API
• Support SVC reactive limits
• Throws an exception in case of non impedant branch
• Throws an exception in case of x=0 in DC loadflow
• A generator with a great maxP is discarded from active power control. The plausible limit value is set to 10000 MW in the code
• Fix dangling line calculated p & q
• Fix reactive capability curve per uniting
• Exclude fictitious buses from slack bus selection
• Log biggest mismatches