This paper derives the recurrence formula of the node voltage equation.

本文导出了节。点电压方程的递推公式。

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Through simplification of stator's voltage equation, a method for observing the flux of rator is obtained.

通过对定子电压方程做有条件的简化，得到一种转子磁通观测算法。

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Flux linkage equation is constituted, the electromagnetic transient of voltage equation with constant speed is gained.

建立了磁链方程，得到了转速为常值时电压方程的电磁瞬态解。

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By combining data from the two steps an equation linking mechanical power (dependent on mass) to electrical power (calculated by multiplying voltage by current) can be derived.

ECONOMIST: Weighing a kilogram