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24V DC power supply
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- 商品名称: 24V DC power supply
24V DC power supply is a typical application of high-frequency switch power supply technology in low-voltage high-power backup DC power supply equipment, and is an upgraded product of thyristor rectifier equipment.
The 24V DC power supply is a typical application of high-frequency switch power supply technology in low-voltage high-power backup DC power supply equipment, and is an upgraded product of thyristor rectifier equipment. Hengtong Power's 24V DC power supply equipment has customizable protection levels and overall corrosion resistance and shock resistance, which can meet the application requirements of special occasions such as offshore oil platforms.
Product Features
● The rectifier module adopts active power factor correction technology, achieving a power factor value of 0.99
● The normal operating range of the AC input voltage covers 85V~290V, meeting global grid requirements. ● The DC output voltage range can cover 21V~39V, meeting the +24V communication power supply requirements, while also meeting the 24V control/power supply requirements (optional bus insulation detection and branch insulation inspection functions).
● The rectifier module adopts comprehensive soft-switching technology to achieve high efficiency and energy saving.
● The rectifier module adopts non-damaging hot-swappable technology, plug and play, with a replacement time of less than 1 minute.
● Networked design, providing multiple communication interfaces (RS485/RS232, supporting Modbus, CDT91), flexible networking, enabling remote monitoring, and unattended operation.
● Complete AC and DC side lightning protection design.
● Comprehensive fault protection and fault alarm functions.
● Safe and reliable. The system design fully complies with safety standards EN60950 and GB4943.
Application Occasions
The 24V DC power supply system is mainly used in the power supply for communication equipment and fire control systems in the petroleum and petrochemical industries, providing power for communication equipment and fire monitoring equipment.
Electrical Parameters
Category Parameter Name Technical Parameters Input Characteristics Input Voltage 85Vac～290Vac (85Vac～180Vac output power limit) AC Input Frequency 45Hz～65Hz Efficiency ≥88% Power Factor >=0.99 Output Characteristics Output Voltage Range 21V~39V (above 26.5V is constant power current limiting output) Single Module Rated Output Current 75A Single Module Maximum Output Current 83A Soft Start Time 3~8 seconds Output Constant Current Range 20%～111% Peak-to-Peak Voltage ≤100mV (0Hz~20MHz) Voltage Regulation Accuracy ≤±0.7% Current Sharing Imbalance ≤±5% (load current greater than 10A) Protection Characteristics Output Short Circuit Recovery Automatically limits current to 111% of rated current, can self-recover. Output Overvoltage Protection Hardware 39.5V~41V, requires manual recovery. Software The range can be set through the monitoring unit to 38~39.5Vdc. Secondary overvoltage lockout mode* Input Overvoltage Protection Point >290Vac Recovery Point Hysteresis ≥10Vac Input Undervoltage Protection Point <85Vac Recovery Point Hysteresis ≥15Vac Overtemperature Protection Protection is activated when the detected temperature reaches the preset value, can self-recover. Fan Temperature Control Adopts a method of jointly controlling the fan speed with temperature and current. Safety Regulations Insulation Resistance The insulation resistance of the AC input terminals of the rectifier module to the chassis, to the DC output, and from the DC output to the chassis shall not be less than 2M Ω (test voltage 500Vdc). Insulation Strength Reinforced insulation: After short-circuiting the input and output terminals, apply 4242V DC voltage (or 3000V AC voltage) for 1 minute between the input and output terminals/CAN communication terminals, with no breakdown or arcing.
Basic insulation: After short-circuiting the input terminal, apply 2121V DC voltage (or 1500V AC voltage) for 1 minute between the input terminal and the shell, with no breakdown or arcing.
Certification Standards CE (EN 60950-1) EMC Domestic Standards GB9254-1998 GB/T17625.1-1998 GB/T17625.2-1999 GB/T17618-1998 EU Standards EN61000-6-2:2005 EN61000-6-4:2007 Environmental Parameters
Operating Temperature -10℃~+45℃ full performance, -40℃ can start normally, +45℃ to 70℃ power derating Storage temperature -40℃~+70℃ Relative humidity 5%～95% Atmospheric pressure 80～106kPa Noise <55dB Cooling method Intelligent air cooling
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The company's products have obtained the new national standard fire protection certification, explosion-proof certification, China's environmental protection products CCEP certification, CPA certification, CE certification, FCC certification, ROHS certification and other certificates;
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1. We are a factory, the quality is more reliable and the price is lower.
2. Support OEM and dodm, print your Logo(>500)
3. All products must undergo strict quality inspection before packaging.
4. All our products have a warranty period of one to two years. We guarantee free maintenance of the product during the warranty period.
5.100 QC inspection before shipment.
6. If you find that the quality of our products is not up to standard, we will replace the new products for free in the next order after your confirmation.
FAQ
All products are certified by ISO9001, CE, TUV, SGS, etc. If necessary, we can support customers to carry out quality inspection.
What are the advantages of a matrix flexible charging stack?
(1) Power sharing:
In the future, it can meet the demand of high-power fast charging of electric vehicles, avoiding the repeated investment caused by equipment upgrading or reconstructing charging stations.
(2) Intelligent scheduling:
Using the company's IV generation of all-digital intelligent charging module, with high power, high power density, high power factor, high efficiency, low harmonics, high degree of intelligence and other outstanding advantages, especially suitable for electric vehicle high-power charging.
(3) Matrix control:
The matrix flexible charging stack is a centralized charging station facility based on the power unit matrix control and built with a fully digital intelligent charging module as the core.
(4) Flexible charging:
According to the charging demand issued by the charging vehicle BMS, the charging power is dynamically allocated, thereby improving the utilization rate of the charging equipment.
(5) Highly integrated:
A highly integrated system integrating power conversion, dynamic power distribution, station-level monitoring, orderly charging management, new energy power generation and energy storage system access, cooling control, and integrated wiring.
(6) Smooth expansion:
With the increase of the charging rate of the battery and the increase of the charging power demand, the corresponding charging module can be expanded to meet the charging demand.
(7) Rapid deployment:
The matrix flexible charging reactor has the characteristics of centralization and pre-installation, which can save a lot of on-site installation and commissioning time and shorten the construction period.
(8) Energy saving and high efficiency:
Using high-efficiency modules, the efficiency can reach more than 95%, and can work in the load rate range.
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