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EMDtool

Summary

Circuit Simple base class for circuits modelled with the AVI formulation.

PROPERTIES

  • Circuit/f is a property.

Methods

Class methods are listed below. Inherited methods are not included.

* Circuit Constructor.

* Circuit/compute_conductor_areas is a function.

compute_conductor_areas(this)

* get_loop_matrix EW resistance matrix.

* Circuit/get_cc_blocks is a function.

[Scc, Mcc] = get_cc_blocks(this, problem, type)

* get_loop_matrix Loop matrix associated with the circuit.

* get_matrices Get circuit matrices for a particular problem

* get_ndof Number of dofs associated with the circuit, for the given

problem and type.

Nui = get_ndof(this, problem, type, pars), where

  • problem = MagneticsProblem or similar

  • type = string, usually “static” / “harmonic” / “stepping” Help for Circuit/get_ndof is inherited from superclass CIRCUITBASE

* init Initialize matrices etc. for circuit.

init(this, problem) ties this to the given MagneticsProblem and initializes the problem matrices and arrays in this.matrices:

  • inds_solid : which of the Conductors in this are solid

  • inds_stranded : likewise for stranded

  • R : per-conductor resistances, active length

  • R_EW : per-conductor resistances, end-winding length

  • area : conductor areas

  • sigma : conductor conductivities. Assumed uniform.

  • M : mass/damping matrix

  • C_Ai : current source matrix

  • C_Au : voltage source matrix

  • C_uu : voltage-voltage coupling matrix

  • L : circuit loop matrix

* init_for_simulation Init Circuit for simulation.

init_for_simulation(this, problem, type, pars) Help for Circuit/init_for_simulation is inherited from superclass CIRCUITBASE

* losses Circuit losses.

[W_mean, loss_data] = losses(this, solution)

[W_mean, loss_data] = losses(this, solution, varargin), where

  • W_mean : average total losses (W).

  • loss_data : loss breakdowns and other data, depending on CircuitBase subclass type. Structure.

By default, all loss information is computed for the entire geometry, not just symmetry-section. This also applies to per-conductor losses, so e.g. the losses in the “first damper bar” actually mean “the sum of the losses in the first damper bar of all poles”.

For losses in typical 2D solid conductors (e.g. BlockCircuit, SheetCircuit, CageCircuit), see compute_SolidConductorLosses. Help for Circuit/losses is inherited from superclass CIRCUITBASE

* set_load1 Set load vector.

Has no effect.

* set_source Set circuit source.

set_source(this, varargin{:})

Has no effect. Must be subclassed.