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Four-quadrant reactive power compensation controller for photovoltaic applications
MCGD-G can monitor reactive power and voltage fluctuations in the power grid in real time. By adjusting the reactive power output of the photovoltaic power generation system, it achieves reactive power compensation for the grid, improving grid stability and power quality. At the same time, it can also intelligently adjust the active power output of the photovoltaic power generation system according to the illumination conditions and grid demand, achieving maximum power point tracking and optimized energy utilization.
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Unlike common electronic zero-crossing composite switches, the DKGD intelligent dynamic regulator adopts the latest zero-crossing comparison technology. It conducts at the voltage zero-crossing moment and cuts off at the current zero-crossing moment. When switching capacitors, the inrush current is very small and spark-free. The structure is simplified, installation is simple, and the service life is long. With low resistance (<2mΩ) and low operating power consumption (<5W), the entire switch does not heat up during long-term operation, eliminating the need for a cooling fan. It is an ideal electronic switch for switching power capacitors.
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The MCGD reactive power compensation controller is suitable for high and low voltage power distribution systems and performs control based on reactive power. It uses a high-performance single-chip microcomputer processor, digital design, and has an RS485 communication interface. The power quality data sampled can be transmitted to other external devices through the communication interface. The product has over-compensation, over-voltage, under-voltage, harmonic, and over-temperature protection functions. Switching strategies include circulating mode, linear mode, and fast mode, with automatic and precise compensation control to improve the system power factor and power quality.
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High-power intelligent thyristor power switch
The HP-TKGD high-power intelligent thyristor power module is an electronic power device specially designed for dynamic and rapid switching of 0.75kV power capacitors. This product mainly consists of a high-power thyristor, a trigger circuit, a protection circuit, and a heat dissipation device. The main circuit uses an anti-parallel thyristor module and supports both level and pulse control methods. It is mainly suitable for impact loads and power load sites that require rapid switching of capacitors, such as: medium-frequency furnaces, rolling mills, welding machines, steel rolling, and port cranes, etc., where loads change rapidly.
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The TKGD intelligent thyristor power module is an electronic power device specially designed for dynamic and rapid switching of 0.4kV power capacitors. This product mainly consists of a high-power thyristor, a trigger circuit, a protection circuit, and a heat dissipation device. It features high-speed CPU control, pulse transformer triggering, and self-developed rapid switching technology, making it suitable for impact loads and power load sites requiring rapid capacitor switching.
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RKGD capacitive reactance component
The RKG series reactive power compensation components consist of a series reactor and a filter capacitor. They are mainly used in 50Hz or 60Hz power systems to improve power factor, reduce reactive power loss, suppress harmonic currents, and improve voltage quality.
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The CKGD series reactor is connected in series with the compensation capacitor circuit to suppress inrush current. Its important function is to suppress harmonics and prevent resonance events. The core uses high-quality, low-loss cold-rolled steel, and the coil uses high-temperature enamelled wire. It has the electrical performance of low loss, high harmonic suppression capability, and low-noise operation.
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MPGD series capacitors possess the excellent characteristics of low-voltage self-healing products, using high-quality base materials and advanced manufacturing processes. They are mainly used in 50Hz or 60Hz power systems to improve power factor, reduce reactive power loss, and improve voltage quality. The product uses an aluminum casing, which is not easy to rust and has excellent heat dissipation performance; the product uses an overvoltage automatic disconnection internal safety device, and the safety protection ensures that the product operates safely and reliably while maintaining excellent and stable electrical performance.
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Guangdong Guangda Electric Co. Ltd.
Tel：18028173868
E-mail：gdgddq@126.com
Web：www.gd96.com
Add ：Building 3, No. 613, Xingtan Shuixiang Avenue, Gaozan Village, Xingtan Town, Shunde District, Foshan City, Guangdong Province