Pulsed Power Regulation in Selective Passively Compensated Pulsed Alternator

Abstract

The selective passively compensated pulsed alternator has wide applications in military and civil areas such as power source for electromagnetic launch, electrothermal chemical gun and plasma sprayed coating. It can produce wide range of current waveforms realized by shorted compensating windings. In this paper, two cases of winding arrangements and their corresponding circuit models are presented to further discuss on the power waveform regulations. The effects of the phase angles between different windings and the switching time on the pulsed power are presented in this paper as well. The results indicate that the output power waveform is possible to be regulated flexibly especially through the new winding arrangements proposed in this paper. This work may extend the applications of selective passively compensated pulsed alternator where different output waveforms are required.Index Terms-Power regulation, selective passively compensated pulsed alternator, winding arrangement.

Outer Rotor Permanent Magnet Passively Compensated Pulsed Alternator for Electromagnetic Railgun System

“…e compensation methods for the CPA mainly include such three types as the active compensation, passive compensation, and passive selective compensation, and the compensation forms can be selected according to the requirement on the load waveform [11][12][13]. At present, the slotless armature which is attached to the stator surface is usually adopted for most of the CPAs, and thus the leakage reactance of stator slot and the leakage reactance at the tip of tooth can be eliminated to reduce the air gap leakage inductance.…”

Optimized Design and Simulation of an Air-Core Pulsed Alternator

“…The air-core pulsed alternator has been studied for more than three decades [2], [3]. However, its optimized design theories are still rarely reported [4], [5].…”