1756-DMD30

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[] Programmable Controller +++++++++ Distributed control system []
The location of the battery management unit should be considered for the battery pack.
Each battery should have a number.
Communication power module
. Main technical parameters
Rated input voltage: (DC power supply system)/(DC power supply system).
Rated output current: determined by dedicated section.
Rated output voltage:.
Efficiency:.
Voltage stabilization accuracy:..
Dynamic voltage transient range:.
Transient response recovery time:.
Temperature coefficient: ./℃.
Surge current:.
Ripple voltage peak-to-peak value: no more than.
Mean time between failures (B) of equipment:,.
. Main performance requirements
It should have monitoring function and work independently without relying on the main monitoring unit. It should be equipped with LCD Chinese display human-machine interface. During normal operation, it should communicate with the main monitoring unit to receive and execute instructions from the monitoring device.
It should have short circuit protection function, and the output will be automatically restored after the short circuit is eliminated.
The modulation system should be used, and the module operating frequency is ~3.
Should have the following protection and alarm functions: over-temperature protection, over-voltage protection, over-current protection, under-voltage alarm, over-voltage alarm, etc.
The positive pole should be grounded and the negative pole plus a lightning protection module should be used, and the lightning protection level should be no less than level 1.
The module supports hot swapping when powered on.
Total monitoring unit
The total monitoring unit is the core part of the monitoring, measurement, signal and management system of high-frequency switching power supply and its complete equipment. This unit can comprehensively analyze various data and information and control and manage the entire system. Each charging device must be equipped with a total monitoring unit.
The unit should be able to adapt to various operating modes of the DC power supply system, have a LCD Chinese display human-machine dialogue interface, and should be able to communicate with each subsystem in the complete device and with the station monitoring system. The communication interface is R, R3 or Ethernet.
The unit should be able to display the charging device output voltage, charging device output current, bus voltage, battery voltage, battery current, two-way three-phase AC input voltage, each module output voltage and current, various alarm signals, and various histories. Fault information, single cell voltage, battery pack temperature and other information.
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