S-113N 3BHB018008R0001 | ABB High voltage frequency conversion frame

Description

IGBT The IGCT combines the high-speed switching characteristics of the IGBT (insulated gate bipolar transistor) with the high blocking voltage and low on-loss characteristics of the GTO (gate off thyristor), and the trigger signal is generally transmitted to the IGCT unit through the optical fiber. In the phase module of the ACS6000 marginal rectifier unit, each phase module consists of an IGCT and a continuing diode, a clamp capacitor, and a damping resistor, and is provided with energy by an independent gate power supply unit GUSP. IGBT module is only a part of the power device package as a module, IGBT module products can generally be single tube, double tube (half bridge) or 6 tube (full bridge), there are also three levels of 12 just package as a module. Because it has been packaged as a module, it is electrically insulated and the installation process is simple; IGCT does not have this advantage, which makes the design, installation and maintenance of the system complicated, and the contradiction between insulation and heat dissipation makes the system more problematic. IGBT low power drive can be done together, high power requires a separate drive board. dsp is the control core, as well as external io, internal signal acquisition, processing, drive signal buffering, drive signal isolation, amplification, in order to reach the GE pole of IGBT. Optical fiber isolated transmission drive signal.

The IGBT on-off frequency is high, but dv/dt is the on-off speed is low, there is a certain contradiction, only the speed is fast enough, the frequency can be high enough. Plus the absorption circuit or IGBT to take soft off, the absorption circuit is the possible 10kv/us absorption, soft off refers to reduce the switch off speed, artificially caused off the tail, the benefit is to reduce dv/dt, the harm is to increase the IGBT loss, so to carefully adjust the off time. When the IGBT driver circuit turns off the IGBT, a negative voltage is applied at GE (positive voltage is applied on), and a micro resistor is placed at the micro capacitor, so that the GE voltage drops slowly, thereby reducing dv/dt.

Common IGBT parameters: 6500V/ Max 750A; 4500V/ 1200A;  3300V/ 1500A;  1700V/3600A;  1200V/ 3600A. 700V and 2500V are rarely used. There are many below 600V, which we won't discuss here. Above 380V, IGBT voltage should be above 1200V. Although there are 6600 and 6000V motors, 6500V IGBT is not suitable for 6500V, the price is high, a 20,000 or so, and the two-level output voltage of 3300V, the maximum is only 750A pipe, the output dv/dt is too large, the three-level output voltage of 4160V, 4160 in domestic applications are few. The use of a five-level 4500V tube can output 6600V, so the 6500 tube is not used.

Throughout the global market, the main IGBT suppliers are basically several companies in Europe, the United States and Japan, which represent the highest level of IGBT technology at present, including Germany's Infineon, Switzerland's ABB, the United States IR, Fairchild and Japan's Mitsubishi, Toshiba, Fuji and other companies. Its IGBT technology has basically developed to the sixth generation of technical products, and IGBT products cover the whole line of 600-6500V/2-3600A products. In the field of high voltage level (above 3300V) is completely controlled by Infineon, ABB, Mitsubishi three companies, in the high-power trench technology, Infineon and Mitsubishi in the international leading level. China's IGBT manufacturers mainly include IDM manufacturers Zhuzhou CRRC Times Electric, Shenzhen BYD, Hangzhou Shilanwei, Jilin Huawei, AVIC Microelectronics, Zhonghuan Shares, etc. Module manufacturers Xi 'an Yongdian, Xi 'an Aipark, Weihai Xinjia, Jiangsu Hongwei, Jiaxing Star, Nanjing Yinmao, Shenzhen BYD, etc.; Chip design manufacturers Zhongke Junxin, Xi 'an Chippie, Ningbo Daxin, Wuxi Tongfang Micro, Wuxi Xinjie Energy, Shandong Keda, etc.; Chip manufacturers Huahong Hongli, Shanghai Advanced, Shenzhen Founder Micro, SMIC, China Resources Shanghai and so on.

The company focuses on DCS, PLC, robot, large servo four systems

The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !！！ ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.

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