Introduced the main type of the dynamometer, and presented a scheme of dynamometer which used the frequency converter and induction motor.
介绍了测功机的主要种类，并选择利用变频器与异步电机实现异步电力测功机的方案。
2
Measurement of turbine stage performance of type J70 turbocharger has been carried out in this paper with a newly developed dynamometer designed for high speed small-size radial turbines.
本文用新近研制的一种高速小型径流涡轮测功装置，测取了J70型增压器涡轮的级性能。
3
This paper describes a simple-structured digital-display dynamometer that outperforms the traditional spring-type one. It also discusses the design of the dynamometer in detail.