Intelligent high-voltage inverter cooling control system

Abstract

The invention discloses an intelligent high-voltage inverter cooling control system. The intelligent high-voltage inverter cooling control system comprises a field bus control system, and an air conditioner cooling system, an air cooling system and a circulating water cooling system which are respectively connected with the field bus control system, wherein the circulating water cooling system comprises a monitoring system (9), a valve (7), and a circulating water tank (1), a circulating water pump (2), a heat exchanger (3), a pressure reducing device (4) and a cooling tower (5) which are sequentially connected; the monitoring system (9) comprises external detection instruments and a control system; the external detection instruments are distributed at two ends of the heat exchanger (3) and the water outlet end of the cooling tower (5); and the control system comprises a dynamic hydraulic balance adjustment device (91), a temperature regulation device (92), a load tracking control device (93) and a conductivity regulation device (94). According to the independent control of the field bus control system on the air conditioner cooling system, the air cooling system and the circulating water cooling system, the cooling mode can be optimized according to actual conditions, and the system disclosed by the invention is intelligent, high-efficiency, energy-saving and stable.

Description

technical field [0001] The invention relates to a cooling control system, in particular to an intelligent cooling control system for a high-voltage frequency converter. Background technique [0002] Generally, the temperature requirement for the installation environment of high-voltage inverters is -5°C to 40°C. The working state ensures that the internal temperature of the cabinet of the high-voltage inverter is lower than 65°C, and the high-voltage inverter generates a lot of heat when it is working, which leads to an increase in the temperature of the equipment and the environment. , affecting the normal operation of the equipment, increasing the failure rate and decreasing the service life. Existing cooling systems have their own advantages and disadvantages in terms of cooling efficiency, energy consumption control, and environmental constraints: the air-conditioning cooling system can quickly and efficiently cool and dehumidify, but it is limited by space, and the work...

AI Technical Summary

Problems solved by technology

[0002] Generally, the temperature requirement for the installation environment of high-voltage inverters is -5°C to 40°C. The working state ensures that the internal temperature of the cabinet of the high-voltage inverter is lower than 65°C, and the high-voltage inverter generates a lot of heat when it is working, which leads to an increase in the temperature of the equipment and the environment. , affect the normal operation of the equipment, increase the failure rate and decrease the service life

Existing cooling systems have their own advantages and disadvantages in terms of cooling efficiency, energy consumption control, and environmental constraints: the air-conditioning cooling system can quickly and efficiently cool and dehumidify, but it is limited by space, and the working efficiency is low when the external temperature is high, and the energy consumption is high. Large energy; the air cooling system has a simple structure and low cost, but the cooling efficiency is low, the maintenance cost is high, and the stability is highly dependent on the surrounding environment; the main body water cooling system has a good heat dissipation effect, but it has high requirements for the system process, complicated installation, and water leakage Greater hidden danger

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