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Precise design
Distribution boards and capacitive bank:
In factories and industrial workshops, distribution boards are usually placed after the power substation, which is the place where electricity enters the complex. The use of these panels is to distribute the low voltage electricity that comes from the transformer between the different units in the factory and to protect each section separately against overload and short circuit and the like. In refrigerators, too, the input power to the refrigeration panel usually branches off from an initial distribution panel. In this distribution panel, an automatic switch or a fuse is considered to protect the refrigeration panel and the input power cable to it. Karmayeh Sabz Kian Company, in addition to manufacturing refrigeration panels, also provides electrical distribution panels suitable for refrigeration use.
In an industrial plant that has inductive consumers, such as cold storages, a capacitive bank is especially important alongside the substation and distribution board. Since inductive consumers generate reactive power, this undesirable and costly power must be eliminated by placing a suitable number of capacitors in the circuit. Number and capacity of capacitors and entry steps
to the circuit should be calculated in the circuit at the time of designing the set and the appropriate tools must be used to control the increase and decrease of the number of capacitors. Karmayeh Sabz Kian Company, due to its long experience in designing and manufacturing refrigerators and refrigeration electrical panels, is the supplier of refrigeration capacitive bank in many projects and has the ability to effectively control the refrigeration inductor load.
Pump ammonia systems electrical panel:
Ammonia cold storages electrical panel are often complex and large switchboards. Due to the fact that the ammonia compressors currently in use usually have a larger input power than conventional Freon compressors and there are more refrigeration units in ammonia systems, the total electrical power of these electrical panels is high. As a result, the power circuit of these panels has protection switches and larger copper busbars than the electrical panels of Freon systems. In design, ammonia system electrical panels are usually considered as standing cells. The control circuits of these panels are also much more complex than Freon panels. In the typical structure of an ammonia refrigeration switchboard, pressures, liquid surfaces and temperatures at several points of the cooling process are set, analyzed and controlled. These points include the discharge pressure of the compressors, the pressure of the tanks, the temperature of the rooms, the surface of the tanks and the like. Due to advances in technology, ammonia refrigeration switchboards have been shifted to the application of new knowledge and the use of industrial automation. More details about industrial automation and other new features will be provided below. Karmayeh Sabz Kian Company, due to its long history in designing and manufacturing ammonia refrigeration panels, has been able to use both types of refrigeration panel control circuit designs, namely electromechanical (traditional) and industrial automation (PLC) in its projects. . It should be noted that all these portfolios can be seen in the list of completed projects of the company. Finally, the experts of this company are capable and experienced consultants to design and select a suitable panel for the cold storage.
Freon systems electrical panel
Freon refrigeration switchboards usually have simpler circuits and smaller dimensions than any other refrigeration switchboards. Often the power circuit of these panels includes starting the three main units of refrigeration equipment, namely compressor, condenser and evaporator. The steering circuits also control the refrigeration temperature and compressor pressures. Karmayeh Sabz Kian Company has used two control systems for its Freon panels, namely by thermostat and control by PLC. In the control model by thermostat, it is possible to start the equipment manually by the keys on the door of the electrical panel and start automatically by the digital thermostat. In the PLC control model, both manual and automatic statuses are possible through a touch panel device.
Compressor capacity control panel
Design and manufacture of capacity control panels for refrigeration compressors is just one of the special capabilities of Karmayeh Sabz Kian Company. The range of refrigeration compressors is very wide and we have been able to design our capacity control panels in a way that is compatible with different types of refrigeration compressors. Therefore, these capacity control panels can control and protect the Freon piston compressors with capacity increase and decrease valve, Freon screw compressors, piston or scroll or screw Freon compressors that are racked in parallel, ammonia piston compressors, ammonia screw compressors and protection against any undesirable increase and decrease of pressure and temperature and the like in the control process.