Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...
Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...
Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...
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List <strong>of</strong> symbol<br />
List <strong>of</strong> symbols<br />
Symbol (general)<br />
X - instantaneous value<br />
X<br />
N<br />
- normalized value<br />
X - vector<br />
X ∗ - conjugate vector<br />
X - amplitude <strong>of</strong> vector<br />
Re( X ) – real part <strong>of</strong> X<br />
Im( X ) – imaginary part <strong>of</strong> X<br />
Symbol (special)<br />
α,<br />
β - stator fixed system<br />
dq , - rotor reference system<br />
x,<br />
y - general reference system<br />
Ls<br />
- stator inductance<br />
Zs<br />
- stator impedance<br />
M<br />
s<br />
- mutual inductance<br />
Is<br />
- phase current value<br />
U<br />
s<br />
- phase voltage value<br />
Ψ<br />
s<br />
- phase flux value<br />
P -active power<br />
Q - reactive power<br />
S - apparent power<br />
Pe<br />
- electro-magnetic power<br />
Ωm<br />
- mechanical rotor speed<br />
Ωs<br />
- synchronous speed<br />
cosφ - power factor<br />
δ<br />
I<br />
, δ Ψ<br />
- torque angle<br />
φ - power angle<br />
R<br />
s<br />
- stator resistance<br />
L<br />
d<br />
, L<br />
d<br />
- direct and quadrature inductances<br />
θr<br />
- electrical rotor position<br />
γ<br />
m<br />
- mechanical rotor position<br />
pb<br />
- number <strong>of</strong> pole pairs<br />
Ψ<br />
PM<br />
- rotor flux <strong>of</strong> permanent magnets<br />
M<br />
e<br />
- electromagnetic torque<br />
M<br />
es<br />
- synchronous torque<br />
M<br />
er<br />
- reluctance torque<br />
M<br />
l<br />
- load torque (external load torque)<br />
M<br />
d<br />
- dynamic torque<br />
Jm<br />
- motor moment <strong>of</strong> inertia<br />
Jl<br />
- load moment <strong>of</strong> inertia<br />
J - moment <strong>of</strong> inertia <strong>of</strong> total system (sum <strong>of</strong> J<br />
m<br />
and J<br />
l<br />
)<br />
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