种智能消谐波高功率因数高压定子调压调速装置及方法

• Format: Patent
• Language: Chinese
• Published: 27.07.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

本发明提供种智能消谐波高功率因数高压定子调压调速装置。包括有高压开关柜、变压器、数字式高压定子调压调速系统、谐波检测单元、高次谐波滤波器、无功补偿控制器及控制和保护单元，所述的调压调速系统采取了定子的可控硅组件的相角控制及电动机切换转子电阻控制相结合的方案；所述的调压调速系统还分别连接有谐波检测单元和磁控电抗器两个支路；谐波检测单元和磁控电抗器分别连接有高次谐波滤波器和无功补偿控制器，并在两个支路中均设置有控制和保护单元。本发明解决了在谐波和无功超标后才进行调节的时间滞后、响应速度慢等问题，使调速控制具有节能、高效，高动态和高精度的特点，满足了无污染的要求。 The invention provides an intelligent harmonic-elimination high-power-factor high-voltage stator voltage regulating and speed adjusting device. The device comprises a high-voltage switch cabinet, a transformer, a digital high-voltage stator voltage regulating and speed adjusting system, a harmonic detection unit, a higher harmonic filter, a reactive compensation controller, and control and protection units. The voltage regulating and speed adjusting system adopts a scheme that phase angle control of a silicon controlled rectifier assembly of a stator and rotor resistance switching control of a motor are combined. The voltage regulating and speed adjusting system is further connected with two branches: the harmonic detection unit an