LV control cabinet GZDW

Solutions

LV control cabinet GZDW combines high-frequency switching technology and computer technology, and the power output unit is designed by modularization (N+1). The display operation unit adopts the new touchable interface display and it could be live plugged and unplugged. It has the functions of ‘telecommand, telemetering, tele indication, tele adjusting. It is especially suitable for unattended places such as 500kV and below

Product Features:

1. Display Operation Unit: This panel adopts new PMS intelligent touchable interface display which is not only intuitive, but also very easy for setting system running parameters. Up to 255 parameters pictures can display nearly all running parameters including voltage value of every battery unit (or every battery group). Advanced touchable interface display replaces traditional pushbuttons, which can increase system reliability further.
2. AC power Distribution Unit: Using 2 ways of AC charging power supply lines, users can access 1 or 2 ways according to actual conditions. The system is distributed to each power module according to the principle of first route priority power supply.
3. Power output unit: it selects high frequency switching power supply module and uses N+1 mode. After the failure of individual modules, it will automatically exit operation without affecting the normal operation of the system. The reliability of the whole system is improved. The module can be live plugged, which makes the maintenance work very simple. The high frequency switching power module uses power factor correction technology and phase correction technology to reduce the influence of the system on the computer harmonica. The double closed loop voltage and current regulation technology and the unique current bending current sharing technology make the distribution of the output current of each module reasonable and effective, and ensure the power system is always in the best operation status.
4. Monitoring unit: it uses high performance microcomputer, scans and controls each unit in the system in real time, and provides high quality DC output to the control bus. At the same time, its V-T curve controls the equalizing charge voltage and floating charge voltage of the battery, according to the ambient temperature parameters of battery operation, ensuring the battery is full capacity and in good condition. In addition, the monitoring system monitors the voltage curve of each battery, so as to facilitate the timely deletion of the battery.

Main sizes and structure:

METTZ Group stands as a consortium of Chinese electrical firms, renowned for its expertise in manufacturing electrical equipment. We are specialized in crafting a comprehensive suite of transmission and distribution equipment, covering a wide voltage range from 0.4 to 40.5 kV. Our commitment lies in delivering reliable and stable products to our clientele, encompassing vacuum circuit breakers (VCB), gas-insulated switchgear modular units (RMU), solid insulated switchgear (SIS) panels, air insulated switchgear (AIS) panels, and dry compressed air insulated switchgear panels (DIS).

Since our inception, METTZ Group has been at the forefront of adopting international cutting-edge technologies and equipment. We pride ourselves on our extensive collaboration and dialogue with leading experts in the electrical technology sector, both within China and internationally. Our offerings are tailored to meet the specific needs of our clients, including Original Equipment Manufacturer (OEM) services, customization of products to unique parameters and dimensions, all in alignment with our customers’ specifications.

METTZ Group is dedicated to innovation, quality, and customer satisfaction, ensuring that we remain a preferred partner for electrical equipment solutions worldwide.

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