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Constant pressure water supply refers to the water supply network in the water changes, the outlet pressure remains the same water supply. The use of inverter , PID regulator, SCM, PLC and other organic combination of devices to form a control system to regulate the output flow of the pump to achieve constant pressure water supply inverter technology in constant pressure water supply has been widely used in the water supply industry.
Constant pressure water supply system main features:
1, Power Saving: The most significant advantage of constant pressure water supply system of inverter is energy saving, energy saving is usually 10-40%. Energy savings from a single pump point of view, the smaller the flow, the greater the energy savings.
2, Reliable operation: Inverter constant pressure water supply system to achieve a system of water pressure and stability, by the inverter to achieve the pump soft start, the pump to achieve from the frequency to frequency conversion without impact to prevent pipe network impact, to avoid pressure pipe network Limit, pipeline rupture.
3, water-saving health: Set the pipe network pressure according to the actual use of water, automatic control of the pump water, reducing the running water, leakage phenomenon; the system closed loop water supply, the user's water supply directly by the pipeline, Surface pool, pressure tank and other facilities, to avoid water "secondary pollution", canceled the pool regular cleaning work.
4, flexible control: sub-water supply, regular water supply, manual selection of work methods.
5, perfect self-protection function: a new type of district inverter constant pressure water supply system with over-current, overvoltage, undervoltage, phase, short circuit protection, instantaneous power failure protection, overload, stall protection, low level protection, Rotation control and other functions, fully functional, fully automatic control, automatic operation, the pump room does not set a post, just send regular inspection, maintenance, such as a pump failure, take the initiative to the upper computer alarm information, while starting the standby pump to Maintain water balance. In case of failure of the control system, the user can operate the manual system directly to protect the water supply.
6, to extend the life of the equipment to protect the grid stability: the use of inverter, the pump speed is no longer maintained at rated speed long-term operation, reducing mechanical wear and tear, reducing the pump failure rate, and the main pump timing rotation control automatic timing rotation Main pump operation, to ensure uniform wear and corrosion of the pump dead, extending the life of the pump. The stepless speed regulation operation of the inverter realizes the soft start of the pump, avoids the impact of the high current on the motor coil and the power grid when the motor is on and off, and eliminates the water hammer effect of the pump.
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