The metric ton is commonly used to account for quantities of LNG. LNG production is commonly expressed in million metric tons per year. The units often used are MMTPA, MTPA, tpy, or a more SI conforming expression Mt/a, which stands for mega but …

Various abbreviations are used including MMtpa, mtpa, MMty/y, or million mt/yr. Tanker capacities are sometimes stated in cubic meters, but this can be confusing because this is cubic meters of liquid not gas.

2021年10月27日 · The authors propose a classification of the MTPA methods, based on the features of each algorithm or group of similar methods. They demonstrate the conventional control scheme and discuss the modifications necessary for the implementation of each method.

The abbreviation MTPA stands for Million Tonnes Per Annum, a unit of measurement commonly used in industries such as mining and manufacturing to express the production capacity of materials over a year. This metric is essential for understanding large-scale production and resource management in various sectors.

The abbreviation MTPA stands for Metric Tons Per Annum and is mostly used in the following categories: Gas, Chevron, Projection, Business, Technology. Whether you're exploring these categories or simply seeking a quick definition, this page provides comprehensive information on MTPA. Explore abbreviations related to MTPA as Metric Tons Per Annum:

2024年4月23日 · 电机最大转矩电流比（Maximum Torque Per Ampere，简称MTPA）是永磁同步电机（PMSM）和异步电机（IM）控制中的一个重要概念，特别是在电机效率和性能优化方面。MTPA是指在一定条件下，电机能够产生的最大转矩与所需电流的比值。

MTPA，学名叫做最大转矩电流比控制（方式），在控制 内插式永磁同步电机 时候用到。 内插式永磁同步电机的特点是 L_ {d}< L_ {q} ，什么意思呢？ 这里转“小屈讲车”的视频： 电动汽车电机工作原理，内置式永磁同步电机工作原理，磁阻同步电机工作原理. 在其8分23秒的时候开始，讲到了磁阻同步电机。 而内嵌式永磁同步电机可以看成是“磁阻同步电机”和“永磁体”的结合体。 也就 …

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MTPA控制. 这种控制方式也称单位电流输出最大转矩的控制，即控制id以追求最大转矩。 它是凸极永磁同步电机中用得较多的一种电流控制策略。 很明显如果是隐极电机 Ld = Lq 那么电磁转矩公式中的 （Ld - Lq）id iq = 0 。

MTPA系统框图. 最大转矩电流比控制也称单位电流输出最大转矩的控制,即控制id以追求最大转矩。它是 凸极永磁同步电机 中用得较多的一种电流控制策略。在产生要求的转矩控制情况下，只需要最小的定子电流，从而使损耗下降，有利于变流器开关器件工作 ...