Français
9. Equations of state and time constants
9.1 Definition and presentation
The state variables of a system are a set of variables that describe the system and its evolution.
The order of the system is equal to the smallest number of variables that can be found.
An equation of state is the expression of the first derivatives of state variables in terms of the variables themselves.
The notion of state variables only applies to a complete system, not to an isolated machine. For this reason, we'll deal with an easily generalized example: an induction motor with a short-circuited rotor, supplied by perfect voltage sources, whose axis is integral with a frictionless inertia.
It is further assumed that...
The Ultimate Scientific and Technical Reference
This article is included in
Conversion of electrical energy
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Equations of state and time constants
Inverter-powered machine
Bibliography
References
The Ultimate Scientific and Technical Reference
