The power electronics control system can be designed in the discrete domain or continuous domain. In consideration of the digitally control and delay of actual system, it is more accurate to design the system control parameters in discrete domain. This paper firstly establishes the discrete domain model...

Using the traditional phase-shift angle, the differential delta-connected transformer is not able to boost voltage. Broadening the phase-shift angle of the autotransformer can boost its output voltage. But the greater phase-shift angle will increase the equivalent kilovolt ampere (KVA) rating as well....

The train storage batteries are mainly providing power for train control system and emergency ventilation system. The performance of the vehicle battery status directly affects the safety of the train. Because the cell of batteries is difference, leading to a sharp drop in battery performance and cycle...

Four coils magnetic resonant wireless power transmission system was constructed, and the efficiency model was established by using the theory of mutual inductance. The analysis of the maximum efficiency is based on two part factors, which are driving source and coils. The adjustment strategy of load...

Abstract: The measurement accuracy of the electronic current transformer are susceptible to environmental factors and interference of external magnetic field. Based on analyzing the effect of temperature, primary wiring and harmonic factor on the measurement accuracy of current transformer of rogowski...

The RSC is generally controlled by using PI controller, but its narrow bandwidth and slow transient response speed limit the LVRT capability of DFIG. So, a LVRT strategy-based multi-controller switching is proposed in this paper. According to different rotor current setting value, the corresponding control...

According to the problem that difficult to build accurate model of equipment due to DFIG complex operation condition and strong coupling characteristics of multi state variables , a intelligent data mining method was applied to the early fault warning and diagnosis of wind turbine equipment. The wind...

In this paper, a concept of self-healing of high-voltage power grids and their research status are first introduced. Based on that, a new high-voltage power grid self-healing scheme is proposed. The collections of protective trip information, i.e. action set of each fault point, are initially utilized...

The structure of Pulse load is complicated and the load characteristics is closely related to the work mode, in order to study the micro grid operation characteristics under pulse load and the different parameters of pulse load on the influence of the micro grid operation characteristics. This paper...