MDC100 series intelligent high-frequency DC power supply device

Product Introduction

Intelligent high-frequency DC power supply devices are widely used in power plants, hydropower stations, various substations, and other users who use DC equipment in the power system (such as petrochemicals, coal, metallurgy, rail transportation, ships, municipal, communication, intelligent buildings, etc.), suitable for switch opening and closing, as well as instruments, meters, relay protection, and fault lighting in secondary circuits. Provide DC power for the opening and closing, relay protection, automatic control, emergency lighting, etc. of high-voltage switchgear during normal operation and accident conditions. The reliability of the DC screen is irreplaceable by other power supply devices, as it can meet the high reliability requirements of substations and power plants.

Product advantages

◆The charging module adopts natural cooling method, which greatly improves the average time between failures and can be used in relatively harsh environments

◆Modular design with switch mode power supply and N+1 hot backup

◆The power bus and control bus can be directly powered by the charging module separately, and can be hot backed up through a voltage reduction device

◆The charging module can be plugged and unplugged with power, significantly reducing the average maintenance time

◆Adopting internationally advanced soft switching technology, the main components are high-quality branded products

◆Hardware low tolerance autonomous current sharing technology, with a maximum output current imbalance between modules of less than 5%

◆Reliable lightning protection and electrical insulation measures, equipped with insulation detection devices that can monitor the insulation status of the system in real time, ensuring system and personal safety

◆The monitoring module adopts a large screen LCD touch screen display, and the monitoring program adopts an object-oriented design concept and modular programming, which is conducive to program maintenance and upgrading

◆Parameter settings for various parts of the system can be made through the monitoring module. The module has the function of smoothly adjusting the output voltage and current, and has the function of compensating for battery charging temperature

◆Equipped with advanced functions such as smooth adjustment of output voltage and current, automatic temperature compensation for batteries, etc

◆The combination of modern power electronics technology and computer technology enables support for "telemetry, remote control, remote signaling, and remote adjustment" of power systems, achieving unmanned operation

◆Automatic management and protection of batteries, real-time monitoring of battery terminal voltage, charging and discharging current, and intelligent control of battery float charging. Equipped with sound and light alarms for battery overvoltage, undervoltage, and charging overcurrent

◆Having multiple extended communication ports, it can connect to various external intelligent devices (such as battery testers, insulation monitoring devices, etc.)

Communication input

Voltage: Three phase AC 380V ± 20%

Frequency: 50Hz ± 5%

DC Output

Battery capacity

performance index

Usage environment

◆Below 2000 meters of sea waves

◆The ambient temperature shall not be lower than -20 ℃ and not higher than+45 ℃℃

◆Storage temperature not lower than -40 ℃, not higher than+60 ℃

◆The maximum relative humidity of the environment shall not exceed 90% (ambient temperature 25 ℃)

◆There is no dust at the operating location, and there are no gases or vapors that corrode or damage the insulation. Use indoors and avoid direct sunlight.

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