THALAC/1 Computer Controlled Refrigeration Control Unit with several Compressors

9.4.- 冷藏
COMPUTER CONTROLLED REFRIGERATION CONTROL UNIT WITH SEVERAL COMPRESSORS - THALAC/1

創新系統

The THALAC/1 has been designed to allow the students to understand the behaviour and characteristics of a heat pump (with air evaporator and water condenser) working in the steam compression cycle and with three compressors connected in parallel.

查看一般說明

扩展

ICAI

交互式计算机辅助教学软件
FSS

故障模拟系统
PLC

PLC控制工业过程
PLCHMI

带有HMI的本地/远程IIoT控制和监控
ELK

EDIBON软件开发工具包，由NI LabVIEW™提供支持
ECR

EDIBON的模块化工业系统与NI CompactRIO
ESN

EDIBON SCADA-Net
ECL

EDIBON 远程教育

化验室

9TV
 技术和职业教育的热力学和热力学实验室
9HE
 高等教育热力学和热力学实验室

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一般說明

The THALAC/1 has been designed to allow the students to understand the behaviour and characteristics of a heat pump (with air evaporator and water condenser) working in the steam compression cycle and with three compressors connected in parallel.

The refrigeration control unit with several compressors is basically composed of a refrigeration circuit. There is a water condenser, an air evaporator and three compressors located along it.

The low-grade heat source will be the air in the atmosphere. The heat generated by this unit is in form of hot water.

The work introduced is in form of electric energy supplied to the hermetic compressors.

This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.

練習和指導練習

手册中包含的指导实践练习

  1. Combined operation of compressors:
    1. Power measurement.
    2. Comparison of the energy for operating individual compressor and multiple compressors.
  1. Cyclic process on the p-h state diagram.
  2. Determination of the inlet power, heat produced and performance coefficient. Air as heat source.
  3. Preparation of performance curves of the unit with different inlet and outlet temperatures. Air as heat source.
  4. Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Air as heat source.
  5. Effect of refrigerant supercooling.
  6. Effect of the airflow rate on the condenser performance.
  7. Preparation of the performance curves of the unit based on the properties of the refrigerant and at different condensation and evaporation temperatures. Air as heat source.
  8. Energy balances.
  9. Sensors calibration.

与该单位进行更多实际操作

  1. Properties of the refrigerant R-513a.
  2. Enthalpy-pressure diagram for the refrigerant R-513a.

Other possibilities to be done with this unit:

  1. Many students view results simultaneously. To view all results in real time in the classroom by means of a projector or an electronic whiteboard.
  2. Open Control, Multicontrol and Real Time Control. This unit allows intrinsically and/or extrinsically to change the span, gains, proportional, integral, derivative parameters, etc, in real time.
  3. The Computer Control System with SCADA and PID Control allow a real industrial simulation.
  4. This unit is totally safe as uses mechanical, electrical and electronic, and software safety devices.
  5. This unit can be used for doing applied research.
  6. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  7. Control of the THALAC/1 unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the THALAC/1 unit process.
  9. By using PLC-PI additional 19 more exercises can be done.
  10. Several other exercises can be done and designed by the user.

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