Electric drive without electrical and mechanical sensors is the critical obligation in most of
the industrial applications due to its user-friendly hardware, lower maintenance, low cost …

In high-power traction drive systems, the switching frequency of the inverter is strictly limited
owing to the restrictions on switching losses and cooling conditions. In this case, the …

DC-link voltage fluctuation, originated from the single-phase power supply, has a significant
impact on the railway traction drive system. Instead of employing a large LC filter to suppress …

In the six-step mode control of the interior permanent-magnet machine (IPMSM), inequality
of the positive half-cycle length and the negative half-cycle length will bring about dc offset in …

The high power permanent magnet (PM) traction drive has recently been highlighted due to
its promising qualities such as high efficiency and power density. For better performance, a …

The PWM update is inevitably delayed one sampling period due to the time-consuming
calculation of the digital processor, the delay time products a severe phase and amplitude …

对于特定分频的空间矢量脉宽调制(space vector pulse width modulation, SVPWM)
同步调制策略, 其采样点空间相位固定, 导致载波比固定, 这限制了其在数字实现时的灵活性 …

为避免主动探测式保护的变流器附加控制策略与原有基础控制策略之间相互干扰,
提出了一种正交控制的方法. 首先分析了新型电力系统中变流器的基础控制策略 …

In the AC electric locomotive traction drive system, due to the low switching frequency, the
multi-mode modulation strategy and switching method of traction system were studied, and …

The interior permanent magnet synchronous motor traction system of rail vehicles usually
needs to run above base speed. It is necessary to implement high‐efficiency flux weakening …