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Lenze is your competent partner for VFDs for pumps, pump skids or machines where pump control is essential. Historically, pumps operated directly from the mains, but the usage of frequency drives brings substantial economic advantages. Frequency drives enhance energy efficiency and the demand for precise control is pivotal in driving this transformation. Moreover, frequency drives offer the opportunity for more intelligent application deployment. Whether you are redesigning an existing system or integrating a frequency drive into a new pump setup, Lenze offers the perfect solutions and unparalleled expertise. Contact us today to learn more about our VFD solutions!
Quick installation and easy handling are guaranteed with Lenze VFDs to reduce the installation time by at least 30 minutes per VFD. Features like the memory module for parameterization, cable connectors and the intuitive interface make the commissioning easy and efficient. By adopting these innovative and dependable VFDs, you will observe a significant transformation in operational performance.
The frequency drive series offers a wide range of solutions from 0.25 to 132 kW(0.33 to 180 HP). They are available in IP20 or decentralized wall or motor mounted in IP55/66.
Robust decentral i550protec with adaptable extension box cut costs for electrical cabinet designs. Maximum integration of functionality offers the i650motec with built-in PLCand IO-Link Master.
The i550motecin IP66is very compactfrom 0.37 to 45 kW (0.5 to 60 HP), e.g. i550 motec with 45 kW weighs only 14 kg
For mobile pumpsin the food and beverage industries, the i550 protec is ideal, offering IP66/NEMA 4X protection, compact design, and easy installation. In dosing pump systems, where space is limited, the i510 cabinet drive excels with its slim design and low power loss, ensuring optimal space utilization and quick setup. For progressive cavity pumpshandling wastewater and industrial fluids, the i550 protec offers robust performance with outputs from 11 to 75 kW (15 to 100 hp), and is suitable for standalone modules. Hydraulic pump unitsfor presses and machine tools benefit from the motor-mounted i550 motec's compact and efficient design.
Designed to save space, the i550 cabinet offers flexible configuration – available as a complete unit or in modular parts as required. It also supports the STO (Safe Torque Off) safety function.
The i550 motec stands for exceptional energy efficiency, including regenerative energy capabilities, and easy installation. The connectorized robust IP66 VFD is mostly used for decentralized setups, mostly motor-mounted installations but also wall-mounting.
The i550 protec simplifies installation by moving proven cabinet technology closer to the motor, supporting flexible decentralized mounting across machine types – even in harsh conditions.
The i510 protec is a decentralized drive built for simplicity and efficiency. Its compact design makes it ideal for installations where space is limited. Optional keypads can be pre-installed or added later for NEMA 1 models.
Indispensable in numerous commercial and industrial applications, ideal for non-critical liquids such as water. They most efficiently handle small to high volume flow of liquids. They have a quadratic load profile, i.e. the required torque (M) is the square of the volume (n) with M~ n2.
Typical applications:
Circulation pumps (cooling/heating), Process technology, Filtration pump systems for water or food & beverage, High pressure multi-stage pumps, Irrigation technology, Swimming pool pumps, Water and wastewater technology
Lenze drives are energy efficient, boasting the lowest energy losses. This remarkable performance enhances overall efficiency and simplifies cooling processes within control cabinets. Additionally, they provide planning reliability in accordance with the stringent standards set by the European Ecodesign Directive. Reducing the speed or flow rate by 20% can lead to 50% energy savings with VFDs which is especially useful for applications with varying demand. Even fixed-speed applications, which are often oversized, can benefit from using a VFD with a demand-based PID controller. Energy cost savingwith an 11 kW pump sums up to € 3,000(~ 3,300 USD) per year (@ 0.15 Ce/kWh).
i500 features: Energy-saving motor control: Energy-efficient V/f eco control, vector control for AM or PM motors, Easy maintenance: the decentral i550 protec drive features an optional integrated service switch, Specific pump functions: Cascade control (up to 3 pumps), Pump rinse/sleep mode in PID mode, Purge (cleaning) function, Minimum flow rate, Pump runout detection, Pipe burst detection, Pipe filling/water hammer minimization, Dry run/cavitation prevention, Keypad user units (e.g. m3/h)
The performance of centrifugal pumps increases exponentially with the speed (flow rate) (P ~n³).
These dedicated pumps are primarily used for high-viscosity or acidic fluids, very high-pressure generation or precise volume control. Typically, these pumps are more complex, costly and require more maintenance. Using VFDs helps improve process control,extend service-friendly operation,and enhance efficiency.
Typical applications: Measuring and dosing pump equipment, Filtration pump skids, Industrial or waste water sludge conveying, Hydraulic pump aggregates, Progressing cavity pumps, Cooling and lubrication equipment for machine tools
Operating modes: There is a great variety of reciprocating or rotary pumps like progressive cavity, screw, gear, diaphragm, hose, lobe, piston and further pump design.
Displacement pumps produce a constant pressure (torque) at different flow rates.
Variable frequency drives also play a crucial role in enhancing the longevity of equipment, particularly pumps, by minimizing wear and tear. By precisely controlling the motor speed, VFDs ensure that pumps operate only at the necessary speed, reducing mechanical stress and preventing excessive strain. This optimized operation not only conserves energy but also significantly diminishes the risk of premature failure. Consequently, maintenance costs decrease, and the overall operational efficiency of your system improves.
i500 features: High-performance vector controlwith the shortest step response times, Unique PM motor control: 200% overload at “0” speed. Maximum overload and sensorless precise dosing with Lenze IE5 motors m5550p, Extended pump and process functionalitywith i650 motec with integrated PLC for sequence control and direct integration of smart sensors via IO-Link interface, Flexible portfolio:economical solutions with i550 frequency drives or i950 servo drives for performant high-end solutions
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