Initial Performance of the Primary Test Stand

The primary test stand (PTS) is a multiterawatt facility with a current of 8-10 MA and rise time of 90 ns, which is being built for Z-pinch studies at the Institute of Fluid Physics, China Academy of Engineering Physics. The PTS consists of 24 modules that are connected in parallel. Each module is based on the Marx generator and water pulse forming line as well as laser-triggered spark gap switch working at 5-MV level. The nominal total stored energy of the PTS is 7.2 MJ. All the Marx generators and laser-triggered spark gap switches had been tested at full voltage level before the PTS was assembled. The design and installation of the PTS are described. In this paper, the most recent results of the PTS commissioning will be introduced.