The air-conditioning pump equipment consists of a temperature, pressure sensor system, PLC control system, variable frequency speed control system, touch screen system and cold water (heating) or cooling water pump to form a closed-loop control system. The feedback value of temperature difference and differential pressure is set and the target value is set. By comparing and judging, the operating frequency of the water pump is automatically adjusted by the PLC system, and the purpose of power saving is maximized under the premise of satisfying the process requirements. With the change of working conditions, the equipment controls the frequency of the pump motor to change under the premise of satisfying the demand. As the frequency decreases, the noise decreases, and the motor temperature decreases, which saves the power and prolongs the service life of the equipment. The resulting economic benefits and The social benefits are considerable. According to this principle, the IAO-PF-I type power-saving control device automatically adjusts the start-stop and speed of the water pump, increases the temperature difference to the specification range or meets the actual requirements, reduces the pump flow, and thus reduces the power consumption of the pump motor. To achieve a larger power saving. Application restrictions:
The IAO-PF-I type power-saving control equipment is not suitable for the central air-conditioning system and the heat exchange system. The temperature difference between the inlet and outlet water is already large and close to the national standard of 5 °C.
Pump station power consumption expression N = K 1 × Q × H / η, except for the increase in temperature difference introduced by IAO-PF-I type, reduce pump station flow Q, reduce pump station
Head (pressure) H can reduce the power consumption of the pumping station. In fact, it can also reduce the power consumption by improving the overall operating efficiency η of the pumping station. The national special high-tech industrialization project --- pumping station quantitative power saving system, Through system optimization, under the process requirements, the most power consumption
Low pump set optimization and speed control operation equipment realizes quantitative energy-saving control of the pump unit, which can make the pump station reach achievable operation.
The line efficiency maximum value η max enables a large amount of energy saving even if the central air conditioning system does not have a temperature difference.
Air conditioning pump IAO-PF-I type quantitative power saving control device can be applied to all central air conditioning systems, regardless of whether there is temperature difference or no temperature difference
The equipment can also be used to energy-saving retrofit of pump stations (groups) with energy-saving equipment such as inverters to maximize power savings. IAO-PF-I
The type of quantitative power-saving control device can save the refrigeration pump, the cooling pump and the heating pump set of the central air-conditioning system to the end.
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