Design and Construction of a150kV/300A/1μs Blumlein Pulser
نویسندگان
چکیده
Blumlein pulsers are well suited devices for high voltage pulse generation in the range of nanoseconds or microseconds. They consist of pieces of transmission lines charged in parallel and discharged synchronously in series into the load by using a single switch. The main problems with this type of circuit are the presence of the shield cable impedance that contributes to the power loss of the device and the requirement of long lengths of lines for operation in the microsecond range. In view of that, this paper presents a construction method that minimizes these losses and reduces the generator size by using coaxial lines coiled up on cylindrical tubes. In particular, we report the construction of a 150kV/300A/1μs Blumlein pulser that has been carried out in our laboratory, including a PSPICE simulation of the output pulse voltage of the generator. Key-words: Blumlein, pulse generator, transmission line, high voltage, coaxial cable, switch tube
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