Simulation test system of high voltage direct current valve internal cooling system
A simulation test system and high-voltage direct current technology, applied in the field of electric power engineering, can solve problems such as blockage, incomplete settlement of scaling, and considerable production improvement effects, so as to improve operational reliability, improve safety and stability, and reduce lock-up risks. Effect
Pending Publication Date: 2017-08-25
TIANSHENGQIAO BUREAU CSG EHV POWER TRANSMISSION CO
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Problems solved by technology
Solved some problems, such as reducing the amount of scale in the water pipe, but there is still a danger of blockage, and the scale of the equalizing electrode is still emerging endlessly during maintenance
Most of the research focuses on strengthening the control and management of the valve cooling system, and has achieved considerable production improvement effects. At the same time, combined with the descaling work of the voltage equalizing electrode carried out during the power outage maintenance of the DC transmission project, the production due to scaling has basically been avoided. Accidents happen, but the fouling situation has not been completely resolved
Method used
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Embodiment
[0026] Such as figure 1 As shown, a simulation test system of a high-voltage direct current valve internal cooling system includes a filter module 20, a detection device 30, and a circulation module 10.
[0027] The circulation module 10 includes an ion exchanger 16, a main circulation pump 11, a heating water tank 12, an aluminum radiator 13, an expansion water tank 14 and a refrigerator 15. The output port of the main circulation pump 11 passes through the heating water tank 12, the aluminum radiator 13, and After the expansion tank 14 is connected to the inlet of the refrigerator 15, the outlet of the refrigerator 15 is connected to the input port of the main circulation pump 11 through a pipe to form a main circulation loop. The outlet of the ion exchanger 16 is connected to the outlet of the refrigerator 15 and the main circulation pump 11 through the outlet pipe. The pipes between the input ports are connected, and the water outlet pipe is provided with a water inlet valve. ...
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The invention provides a simulation test system of a high voltage direct current valve internal cooling system. The simulation test system comprises a filtering module, a detection device and a circulation module. The circulation module comprises an ion exchanger, a main circulating pump, a heating water tank, an aluminum heat radiator, an expansion water tank and a refrigerating machine. The outlet of the main circulating pump is connected to the inlet of the refrigerating machine through a pipeline via the heating water tank, the aluminum heat radiator and the expansion water tank in order. The outlet of the refrigerating machine is connected to the inlet of the main circulating pump through a pipeline and thus a main circulating loop is formed. The outlet of the ion exchanger communicates with a pipeline between the outlet of the refrigerating machine and the input port of the main circulating pump through a water outlet pipe, and the water outlet pipe is provided with a water inlet valve. The detection device is arranged on a pipeline between the aluminum heat radiator and the expansion water tank. The outlet of the filtering module is connected to the inlet of the ion exchanger. The simulation test system can be used for the experimental research of the high voltage direct current valve internal cooling system, and the valve internal cooling system aluminum heat radiator corrosion and voltage equalizing electrode deposit current situations are tested.
Description
Technical field [0001] The invention relates to the technical field of power engineering, in particular to a simulation test system of a high-voltage direct current valve internal cooling system. Background technique [0002] High-voltage direct current transmission (HVDC), with its narrow transmission corridors, high transmission efficiency, and low power loss, has become the first choice for resource optimization and the implementation of the strategy of power transmission from west to east, effectively alleviating the uneven distribution of energy resources in my country and the uneven power load. Balanced contradictions have developed rapidly in China. Among them, the converter valve is the core equipment of the HVDC power transmission system, which realizes the conversion of AC and DC power. The thyristor is the basic unit of the converter. During the normal commutation process, a large amount of heat will be generated. With the development of the HVDC transmission system an...
Claims
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Login to View More IPC IPC(8): G01M99/00G01N33/18G01N17/00G01D21/02
CPCG01D21/02G01M99/00G01N17/006G01N17/008G01N33/18
Inventor 张望平李家羊谌毅肖旺盛杨健葛梦昕张岱邹显斌樊友平
Owner TIANSHENGQIAO BUREAU CSG EHV POWER TRANSMISSION CO