1756-ESMCAP

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[] Programmable Controller++++++++++ Distributed control system[]
Bypass isolation voltage stabilizing cabinet: bypass isolation transformer, bypass voltage regulator, manual/bypass maintenance switch
Feeder Cabinet loop distribution unit, monitoring instruments, control switches and signal indications, etc.
Power plant system power supply types:
DC operating power supply: DC power supply operating system is referred to as DC panel, which is the control load and power load and DC Providing power for accident lighting loads, etc., is the basis for power plant system control and protection
Hydrogen production system power supply
Secondary acid electrolysis power supply
Electric power supply: The electric power supply is the electric power system (distributed control system) , monitoring systems, automated instruments, dispatching communication systems, microcomputer systems and other core equipment provide reliable backup power guarantee
Excitation power supply
Communication power supply
High-voltage variable frequency power supply
High-voltage desulfurization power supply,< br/> Substation:
DC operating power supply
Communication power supply
Inverter power supply
Electric power supply
Combined power supply
Monitoring power supply
Special power supply for electric power Adopting a + redundant power supply system, the industrial-grade AC protected power supply manufactured using advanced technology is tailored to the power system application load and environment, which can fully meet the power supply reliability requirements of power system and other loads.
Advantages of the solution:
) Professional type tailored for the electric power industry, adapting to the harsh power grid environment within the electric power industry, not only meeting the load requirements of the electric power industry, but also eliminating the need for users to worry about the load. The three phases are unbalanced and cause trouble.
) + The redundant parallel working method adds a safety lock to the already reliable power supply system to meet the extreme needs of users in the power industry for high reliability indicators.
3) Make full use of the large-capacity battery pack in the power industry to maximize the backup time and save the installation space and initial investment of the battery pack.
) Optional bypass isolation transformer can achieve complete isolation between input and output, and ensure the zero-ground voltage of the output.
) The rich dry contact monitoring signals can be incorporated into the power plant's own monitoring system and reported in a timely manner to facilitate real-time monitoring by the personnel on duty.
Electric power is mainly composed of the following systems, using two-stage conversion. The first stage of conversion uses a rectifier () to convert the alternating current after passing through the input isolation transformer into a stable direct current. The second stage conversion () uses an inverter power supply to convert the rectified DC output into sine wave AC power and output it to the load through isolation.
Isolation part: The input isolation transformer isolates the AC input and DC, protecting the DC side equipment. The output isolation transformer isolates the AC and DC inputs from the AC output to protect the load-side equipment. Double isolation ensures true and complete electrical isolation of the three ports of DC input, AC input and AC output.
Forcing data is used to immediately read or write immediately to the instruction specification/point. When entering the state, the output will be the forced value, not the value set in the system block.
Note: When forcing a value in a program, the operand is reset to that value each time the program scans, regardless of input/output conditions or other program logic that normally affects the operand. Forcing may cause the program to operate unpredictably, possibly resulting in death or serious injury to personnel or damage to equipment. The forcing function is an auxiliary tool for debugging the program. Do not perform forcing to compensate for the failure of the processing device. Use of forced features is restricted to qualified personnel only. After forcing program values, be sure to notify all personnel authorized to service or debug the program. The force function can be used when debugging a program without load.
3. Identify the forced icon
An icon will be displayed at the forced data.
The yellow lock icon indicates that the display is forced: that is, the value has been explicitly or directly forced to be the currently displayed value.
The gray hidden lock icon indicates implicit: the value has been implicitly forced, that is, the address is not directly forced, but the memory area falls into another larger area that is explicitly forced. For example, if forced explicitly, B and B are implicitly forced because they are contained in .
The half-block icon indicates partial enforcement. For example, if it is explicitly forced, it is partially forced because one of the byte B is forced.
B module
B module-
B module
B module
B module-
B module-
BB controller
BB sensor
Controller
Power controller
Module
Module
Driver
Encoder
Card
Main control board< br/>