GZDW-2 Microcomputer Type DC Power Supply Panel

Overview 

GZDW-2 microcomputer DC power supply panel is an economical DC power supply system designed for various small capacity users. The LCD screen monitoring system is the core, Chinese menu display, key operation, multiple password rights, man-machine interface is friendly and rich, with simple operation, intelligent management, high efficiency and energy saving and remote control. The system can be composed of monitoring module, rectifier module, buck module, battery inspection module, branch monitoring module, etc. The input voltage is AC220V, AC380V, the maximum output capacity is DC110V/65Ah, DC220V/55Ah. If the system needs to use PT100V AC input or provide external flash signal, accident signal, warning signal, inverter power supply, DC24V or DC48V power supply and other functions can be selected and added according to user needs, and the external size can be customized.

Suitable for power plants, hydropower stations, all kinds of substations, switching-closing offices and other users using DC equipment, for  electromagnetic operating mechanism, permanent magnet operating mechanism and spring energy storage operating mechanism and other  types of circuit breakers, as well as secondary circuit instrumentation, control circuit, relay protection and accident lighting and other types of  high and low voltage equipment to provide DC power supply.

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Product Features

Intelligent Control

• Utilizes advanced microcomputer control technology for fully automated management, including remote monitoring and fault diagnosis capabilities.

• Equipped with an LCD display to show real-time operating parameters and status information, making operation and maintenance convenient.

High Reliability

• Employs high-quality components and modular design to ensure the system's high reliability and long service life.

• Features comprehensive protection functions such as overvoltage, undervoltage, overcurrent, and short circuit protection, ensuring the safety of the equipment and system.

High Stability

• Provides stable output voltage with minimal fluctuation, meeting the needs of various loads.

• Possesses excellent anti-interference capability, suitable for complex electromagnetic environments.

Flexible Configuration

• Supports various types of batteries (such as lead-acid and lithium batteries) and capacities to meet different user needs.

• Can flexibly configure output voltage and current according to on-site requirements, supporting multiple outputs for various application scenarios.

Energy Efficiency and Environmental Protection

• High-efficiency power conversion reduces energy consumption and meets green environmental protection standards.

• Features a noise-free design, suitable for environments with strict noise requirements.

Easy Maintenance

• Modular design facilitates installation, maintenance, and replacement, reducing downtime.

• Provides detailed fault records and alarm functions to help quickly locate and resolve issues.

High Precision Voltage and Current Regulation

• Offers high precision voltage and current regulation to ensure stable output.

• Adopts advanced power management technology with fast response and excellent dynamic performance.

Multiple Protection Functions

• Equipped with overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection functions to ensure safety.

• Includes battery management functions for charge and discharge management and protection, extending battery life.

Technical parameters of the main equipment

Item	Parameter index
Rated input voltage	AC 220V/AC 380V±20%
PT service voltage	100VAC±10%
Rated output voltage	220VDC、110VDC
Rated output current	6A、9A、10A、15A
Accumulator capacity	7Ah、12Ah、20Ah、24Ah、33Ah、40Ah、50Ah、65Ah
Stable pressure accuracy	≤±0.5%
Stable flow accuracy	≤±1%
Ripple factor	≤±0.5%
Power grid frequency	50Hz±10%
Power factor	≥0.95%(full load output)
Insulation strength	>10MΩ，2KVAC for one minute,no flash over,no breakdown
Operate mode	Continuous long-term operation
Cooling-down method	Intelligent temperature-controlled air cooling,efficient and natural cooling
Can smell the noise	≤50dB

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