The ECRH is an effective way of plasma heating on tokamak. The gyrotrons with two high voltage power supplies （ HVPS ） are used in ECRH experiment on the HL-2A tokamak. This type of gyrotron is benefit to improve th...The ECRH is an effective way of plasma heating on tokamak. The gyrotrons with two high voltage power supplies （ HVPS ） are used in ECRH experiment on the HL-2A tokamak. This type of gyrotron is benefit to improve the output efficiency and HVPS design. So the anode HVPS with higher output power, reliable characteristic and controlling easily are necessary for the work of gyrotron normally.展开更多
The low temperature superconducting magnet system, with the highly homogeneous magnetic field, has been applied extensively, and has had important effects on many domains. With the development of the cryogenic and sup...The low temperature superconducting magnet system, with the highly homogeneous magnetic field, has been applied extensively, and has had important effects on many domains. With the development of the cryogenic and superconducting techniques, it is possible that high temperature superconducting magnet with highly homogeneous magnetic field is manufactured by high temperature superconductor（HTS）. Therefore, a simulative gyrotron applied into war, with highly homogeneous magnetic field, is designed and manufactured by high temperature superconducting material.展开更多
In ECRH system of HL-2A tokamak, we chose a new type of gyrotron imported from Russia. We finished the installation and testing last year with the help of Russian experts. We got a lot of useful data and satisfying re...In ECRH system of HL-2A tokamak, we chose a new type of gyrotron imported from Russia. We finished the installation and testing last year with the help of Russian experts. We got a lot of useful data and satisfying results after our experiments with the operating of gyrotron.展开更多
in HL-2A tokamak the system of ECRH has been consisted of two gyrotrons that each is 500 kW of the microwave output power, the frequency is 68 ±0.1 GHz and the duration is 1 s. A set of appropriate parameters of ...in HL-2A tokamak the system of ECRH has been consisted of two gyrotrons that each is 500 kW of the microwave output power, the frequency is 68 ±0.1 GHz and the duration is 1 s. A set of appropriate parameters of the power supply and the control procedure are very important during the test of gyrotrons. Basing on analysis of the phenomenon observed, we conside that the troubles came from mainly the stability of the power supply, the sequence of control, the overcurrent protection and the grounding of the system. The solutions have been put forward and the system have been improved partly. The gyrotron has been adjusted one by one. This paper introduces the analysis of power supply for gyrotrons.展开更多
文摘The ECRH is an effective way of plasma heating on tokamak. The gyrotrons with two high voltage power supplies （ HVPS ） are used in ECRH experiment on the HL-2A tokamak. This type of gyrotron is benefit to improve the output efficiency and HVPS design. So the anode HVPS with higher output power, reliable characteristic and controlling easily are necessary for the work of gyrotron normally.
文摘The low temperature superconducting magnet system, with the highly homogeneous magnetic field, has been applied extensively, and has had important effects on many domains. With the development of the cryogenic and superconducting techniques, it is possible that high temperature superconducting magnet with highly homogeneous magnetic field is manufactured by high temperature superconductor（HTS）. Therefore, a simulative gyrotron applied into war, with highly homogeneous magnetic field, is designed and manufactured by high temperature superconducting material.
文摘In ECRH system of HL-2A tokamak, we chose a new type of gyrotron imported from Russia. We finished the installation and testing last year with the help of Russian experts. We got a lot of useful data and satisfying results after our experiments with the operating of gyrotron.
文摘in HL-2A tokamak the system of ECRH has been consisted of two gyrotrons that each is 500 kW of the microwave output power, the frequency is 68 ±0.1 GHz and the duration is 1 s. A set of appropriate parameters of the power supply and the control procedure are very important during the test of gyrotrons. Basing on analysis of the phenomenon observed, we conside that the troubles came from mainly the stability of the power supply, the sequence of control, the overcurrent protection and the grounding of the system. The solutions have been put forward and the system have been improved partly. The gyrotron has been adjusted one by one. This paper introduces the analysis of power supply for gyrotrons.
