SIST EN 62428:2009

Oznaka standarda: SIST EN 62428:2009
Koda projekta: 20905
Organizacija: SIST
Naslov (angleški): Electric power engineering - Modal components in three-phase a.c. systems - Quantities and transformations (IEC 62428:2008)
Naslov (slovenski): Elektroenergetsko inženirstvo - Modalne komponente v trifaznih izmeničnih sistemih - Veličine in transformacije (IEC 62428:2008)
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Tehnični odbor: I11 - Imaginarni 11
ICS: 01.060 29.020
Status: Objavljen
Objavljen: 01-jan-2009
Refer. št. objave: Sporočila 2009-01
Področje projekta (angleško): This International Standard deals with transformations from original quantities into modal quantities for the widely used three-phase a.c. systems in the field of electric power engineering. The examination of operating conditions and transient phenomena in three-phase a.c. systems becomes more difficult by the resistive, inductive or capacitive coupling between the phase elements and line conductors. Calculation and description of these phenomena in three-phase a.c. systems are easier if the quantities of the coupled phase elements and line conductors are transformed into modal quantities. The calculation becomes very easy if the transformation leads to decoupled modal systems. The original impedance and admittance matrices are transformed to modal impedance and admittance matrices. In the case of decoupling of the modal quantities, the modal impedance and admittance matrices become diagonal matrices.

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