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Framing machine control cabinet

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KGSF-Ⅲ type laying machine thyristor techniques described apparatus


型强磁选机全数字可控硅整流装置 , 是专为铁道部门铺轨机、架桥机配套,将柴油发电机供电的交流电整流为可控直流电,为直流电机提供电能的电源设备。 Type strong magnetic separator ZH3200F digital thyristor rectifier apparatus is designed for the railway sector supporting laying machine, erecting machine, the rectified AC supply diesel generators controllable DC power supply to provide power to the DC motor. This device uses digital control techniques, thyristor system consists of a power unit and other parts + digital controller having an input power supply phase sequence without wide pressure range, good symmetry of the waveform, high control precision, trigger power, interference strong, stable and reliable, easy maintenance and other notable features.

产品型号说明 I. Product model description



Second, the main technical indicators

AC input Rated voltage: three-phase four-wire AC380V (-10%, + 15% , diesel power generators)
AC input Rated frequency: 50Hz
DC rated output voltage: 461V
DC rated output current: 200A, 300A, 400A, 500A , 600A
DC output voltage adjustment range: 0% to 100%
cabinet dimensions (H * W * D):

Cabinet Color: RAL7011 (gray iron)

Use environment

Altitude: not more than 2000 meters
temperature: -5 ℃ ~ 45 ℃
Relative humidity: 95% (25) ℃
Earthquake class: 7
installation location: the laying unit body
Protection class: IP23

Fourth, the main performance features and functions

rectification system consists of a three-phase full-controlled bridge power unit + number + switching power supply regulator (bis) and other parts, with perfect rectifier trigger adjustment, over-current protection system, no phase sequence power input functions.
6 sets of KP500A / 2500V thyristors are used in the main circuit thyristor power unit. They are press-fitted in SF12 / SF15 radiators and have a drawer structure. The cooling method is forced axial cooling by an axial fan.
digital regulator is composed of intelligent chips of ultra-large-scale integrated circuits and high-speed analog-to-digital converters. It has no phase sequence requirements for input power, wide operating voltage range, good waveform symmetry, high control accuracy, high trigger power, and anti-interference. Powerful, stable and reliable work, and other significant features; and the use of PLC chassis structure, 35mm standard rail mounting, Phoenix pluggable terminal blocks, reliable contact, easy disassembly and assembly.
switching stabilized voltage power supply is selected from Mingwei of Taiwan, which has the advantages of wide input voltage range, high reliability, and card-rail installation, etc., and uses two power supplies in parallel to increase the reliability of equipment operation.
system has a zero-position lock function, that is, the car is driven again after each stop, and the given potentiometer must be turned counterclockwise to the head before the system can work normally. If the given potentiometer does not return to zero, the output voltage will also be zero to prevent the system from flying.
system has the function of internal setting or external setting. 调节直流输出电压,并在外附指针式电压/电流表上可显示相应数值。 When the toggle switch is set at a given position, the DC output voltage can be adjusted in the driver's cab , and the corresponding value can be displayed on the external pointer-type voltage / current meter.

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Jianshe Road, Qingshan District, Wuhan (within Wuhan University of Science and Technology)

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