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Automation for water supply systems: Principles and features of control units

Water systems are part of modern work, providing reliable and efficient water supply systems to residents and businesses. Automation for water supply systems plays a key role in ensuring efficient and effective provision of such systems. In this article we will look at the principles of operation of automation for water supply systems and various electronic automation units, which are used to ensure the reliability and efficiency of water supply.

Operating principles of automation for water supply systems

Automation for water supply systems are complexes of technical solutions and devices, designed to automate and control the processes of water supply and distribution in homes, industrial enterprises, utility companies and other facilities. The main goal of automation in the field of home water supply is to ensure a stable and reliable water supply, optimization of water consumption, reducing energy costs and ensuring operational safety. Here are the key automation components, for water supply system

Automation allows you to control the operation of pumps, turn them on and off depending on the water level in the tanks or pressure in the system.

Automation for water supply systems is based on the use of various sensors and devices for controlling water supply processes. Basic operating principles include:

  1. Monitoring options : Water level sensors, pressure, temperatures and other parameters control the state of the system. for example, water level sensors in tanks determine, when the water reaches the minimum level, and signal about it.
  2. Data analysis : The collected data is transmitted to monitoring devices, such as software logic controllers (Plc) or microcontrollers. These devices analyze information and make decisions about current actions.
  3. Device management : Automatically controlled pumps, valves and gate valves regulate water flow and pressure in the system in accordance with the specified parameters. for example, when the water level is low, the pump can be turned on to supply additional water.
  4. Systems and management : modern water supply systems can be integrated into control systems, which allows operators to monitor the operation of the system in the shortest possible time and make decisions remotely.

Types of electronic automation units

To ensure efficient and reliable operation, the control of water pumps in the power supply requires various electronic automation units. Here are several connections of electronic automation units for controlling water pumps

To ensure the reliability and efficiency of technological water supply systems, various blocks of electronic machines are used. Here are some of them:

  1. Pump control units : These blocks are designed to control the operation of pumps. They can turn pumps on and off in water depending on the manufacturer. for example, when the water in the tank drops to the minimum level, the control unit turns on the water supply pump.
  2. Control units for valves and gate valves : These devices control the position of valves and gate valves in the system. They regulate water flow and network pressure.
  3. Parameter blocks : These blocks include sensors for various parameters , such as water level, pressure, temperature and water quality. They transmit data to control devices for analysis.
  4. Control devices (PLCs and microcontrollers) : These devices perform system control logic. They analyze data from sensors and make decisions about pump operation, valves and other devices.
  5. Remote control systems : These systems allow operators to monitor the operation of systems and make decisions remotely. These may include software and interfaces for a web-based control system.

The importance of circuit breakers for water motors

To ensure reliable operation and prevent emergency situations, it is necessary to use circuit breakers for water motors. Water motors are used to pump water from reservoirs or wells. They can work in a wide variety of conditions, including extreme temperatures, pressure and pollution. However, there are a number of risks during operation, which can lead to equipment damage and emergency situations, such as overheating, overload, short circuit and other faults.

Circuit breakers are designed to detect and prevent these risks, ensuring safe and reliable operation of water motors. They perform several important functions:

  • Overload protection: Circuit breakers monitor current, consumed by the electric motor, and can automatically turn it off, if the current exceeds the permissible values. This prevents damage to windings and other parts of the motor..
  • overheat protection: Overheating may occur due to prolonged operation of the engine under high load.. Circuit breakers monitor the engine temperature and turn it off, if the temperature reaches dangerous values.
  • Short circuit protection: Short circuits can cause serious damage to the engine and system. Circuit breakers automatically switch off the engine in the event of a short circuit.
  • Protection against water shortage: If the water level in the tank drops to a critical level, circuit breakers can shut down the engine, to prevent running without water, which can cause serious damage.
  • 5. Reverse phase protection: Circuit breakers can also monitor the phases of the power supply and prevent the motor from running in the event of a reverse phase., which can cause permanent damage.
  • 6. Status alarm: Some circuit breakers are equipped with alarm systems, which alert operators to possible problems, such as overload or overheating, by turning on indicators or sending signals to remote monitoring.

Selection and configuration of circuit breakers

The selection and configuration of circuit breakers depend on the specific requirements and characteristics of the water supply system. It includes the determination of permissible current values, temperature and other parameters, which will be used by circuit breakers to determine normal operation and emergency situations.

It is also important to ensure that circuit breakers are properly maintained., including regular checking and calibration, so that they can perform their functions correctly.

Water motor circuit breakers play a key role in ensuring the reliability and safety of water supply systems. They monitor engine performance, prevent overload, overheating and other potentially dangerous situations, which helps extend the service life of equipment and reduce the risk of accidents. Optimally configured and regularly maintained circuit breakers contribute to the reliable operation of water supply systems and ensure high-quality water supply to consumers.

Components in water supply systems

Water supply systems have now become part of our daily lives.. Their performance and effectiveness depend on the use of various devices and components.. Two necessary elements, ensuring reliable operation of the water supply system, are a pressure switch and a dry running sensor. In this article we will look at, how do these devices affect the operation of water supply systems and what advantages do they have?.

Pressure switch and operating principles

A pressure switch is a device, designed for control in water supply systems and pump control. It plays a major role in maintaining the required pressure in the system and preventing overloads. Here are the operating principles of a pressure switch:

  1. Pressure monitoring : The pressure switch uses constant pressure sensors in the water supply system. This pressure can be determined depending on the sunlight, water and other factors.
  2. Settings options : The user can adjust the desired pressure settings according to the system requirements. These parameters determine, When should the pump be turned on and off?.
  3. Pump control : When the system pressure drops below the set threshold, pressure switch activates the pump, to raise the pressure to the desired level. When the pressure reaches the set upper limit, the pump turns off.
  4. Overload protection : The pressure switch reduces pump operation in uncontrolled water pumping mode, which can lead to wear and damage.

Dry running sensor

Dry running sensor, or water switch sensor, - this device, monitoring the presence of water in the system and the operation of pumps, if there is no water. This is why dry run sensors are so important:

  1. Preventing Pump Damage : Pumps, operating in dry running mode, can quickly overheat and fail. High speed sensors will help prevent this negative scenario, turning off the pump when there is a lack of water.
  2. Energy Saving : Running the pump in empty mode consumes electricity, but doesn't do any good. High speed sensors save energy, turning off the pump when there is no water.
  3. Maintaining water quality : Running pumps dry can introduce air and contaminants into the system., what can affect water quality. Dry running sensor helps keep water clean.

Application in water supply systems

Pressure switches and long-distance sensors are used in various water supply systems:

  • Residential buildings : They provide a stable water supply and prevent unwanted interruptions in the water supply to houses and apartments.
  • Industrial systems : In industry they are used to efficiently manage large volumes of water and ensure reliable operation of pumping systems.
  • Agriculture : For agricultural water systems, pressure switches and forward motion sensors enable efficient use of water resources.
  • Utility systems : Water supply and wastewater treatment in medium-sized utility networks require reliable control devices .

Finally, Pressure switches and dry-running sensors play a key role in ensuring reliable and efficient operation of the water supply system. They help prevent damage to pumps, save energy and ensure constant high-quality water supply, what is important for residential premises.


Automation for water supply systems plays a decisive role in ensuring the reliability and efficiency of water supply. Thanks to the use of electronic automation elements and modern technologies, water supply systems can be used to minimize energy costs, increasing water losses and ensuring dynamic water supply to premises and enterprises. Automation for water supply systems is an engineering solution, which is implemented more efficiently.



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