Steinmetz equivalent circuit
E61290
The Steinmetz equivalent circuit is a simplified electrical model used to represent and analyze the behavior of alternating current (AC) machines, particularly induction motors and transformers, in terms of their key electrical parameters.
Aliases (1)
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
AC machine model
→
electrical engineering concept → equivalent circuit model → |
| appliesTo |
induction motors
→
synchronous machines → transformers → |
| assumes |
linear magnetic conditions for normal operation
→
|
| basedOn |
per-phase representation of three-phase machines
→
sinusoidal steady-state assumption → |
| enables |
Thevenin equivalent derivation for machine terminals
→
load-flow style calculations for individual machines → phasor analysis of AC machines → |
| field |
electric machine design
→
power engineering → transformer design → |
| hasAlternativeName |
Steinmetz equivalent of AC machine
→
Steinmetz model → |
| hasComponent |
core-loss resistance
→
magnetizing reactance → rotor leakage reactance referred to stator → rotor resistance referred to stator → series branch representing leakage impedance → shunt branch representing magnetizing current → stator leakage reactance → stator resistance → |
| namedAfter |
Charles Proteus Steinmetz
→
|
| relatedTo |
Norton equivalent circuit
→
Thevenin equivalent circuit → per-unit system → |
| represents |
copper losses in windings
→
core losses → leakage flux effects → magnetizing current → slip-dependent rotor behavior in induction motors → |
| simplifies |
distributed windings into lumped parameters
→
spatially distributed fields into equivalent impedances → |
| timePeriod |
early 20th century
→
|
| usedFor |
analyzing induction motors
→
analyzing transformers → calculating efficiency of AC machines → calculating performance characteristics of AC machines → calculating power factor of AC machines → calculating starting current of induction motors → calculating torque of induction motors → calculating voltage regulation of transformers → modeling AC machines → open-circuit test analysis of transformers → short-circuit test analysis of transformers → steady-state analysis of AC machines → |
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Charles Proteus Steinmetz
→
Charles Proteus Steinmetz → |
knownFor |
|
Steinmetz equivalent circuit
("Steinmetz model")
→
|
hasAlternativeName |