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Inverter drives

One of the tools that proves essential in this quest is the frequency variator. But what exactly is it, and why is it so crucial to modern manufacturing?

The frequency converter: The key to flexibility and industrial efficiency

The industrial world is constantly evolving, always seeking to improve its efficiency and productivity. One of the tools that proves essential in this quest is the frequency variator. But what exactly is it, and why is it so crucial to modern manufacturing?

What is a frequency converter?

The frequency variator, also called a speed variator or frequency converter, is a gem of power electronics intended to optimize the performance of alternating electric motors.
Its main function is to precisely regulate the speed and torque of the motor. But how does he achieve this feat?
At the center of this technology we find a sophisticated mechanism that adjusts the frequency and DC voltage of the motor power supply. By modifying the frequency of the electric current which powers the motor, the frequency variator directly influences its rotation speed. Consequently, varying the rotation speed becomes an easy and precise task, allowing manufacturers to modulate the energy consumption of their equipment according to needs.
The power electronics integrated into the drive transform the current coming from a source, often via a transformer, into a suitable direct voltage.
This voltage is then frequency modulated through a coupling and vector control process, ensuring perfect adaptation to the demand of the AC motor.
The frequency converter is therefore much more than a simple frequency converter. It symbolizes the evolution of modern technology towards more efficient management of frequency variation, offering better performance while reducing energy consumption.
In an industrial world where efficiency and sustainability are essential, this tool proves to be an indispensable ally.

Better understand the operating principle of a frequency converter!

To understand the magic behind this device, let's consider its process in three steps:
1. Conversion to direct current: The input electricity, generally in the form of alternating current, is transformed into direct current using a rectifier.
2. Frequency modulation: Direct current is then converted back into alternating current, but with a variable frequency, using an inverter.
3. Motor speed control: When the frequency of alternating current changes, the rotation speed of the electric motor also changes.


Why do manufacturers use frequency drives?


The answer is simple: flexibility, energy efficiency, and precise control. Here are some of the main reasons:

Energy saving: In applications such as fans or pumps, where demand often varies, adjusting the motor speed to actual needs provides significant energy savings.
Precision: Variable frequency drives provide rigorous speed control, making industrial processes more precise and optimized.
Longevity of equipment: Motors and machines are less stressed thanks to the progressive starts and stops allowed by drives, thus extending their lifespan.
Programmability: Need a specific startup sequence? Or a reverse function? The drives can be programmed according to specific operational requirements.
Modern industry, in its incessant search for efficiency and productivity, requires tools capable of adapting to changing requirements.
The frequency converter, with its ability to offer precise control while optimizing energy consumption, is an invaluable ally. For companies keen to improve their performance while minimizing their costs, this is undoubtedly a wise investment.


What is the difference between a frequency variator and a speed variator?


Confusion between a variable frequency drive and a variable speed drive is common, as in many contexts these terms are used interchangeably.
However, a variable frequency drive is actually a type of variable speed drive.

Speed variator

It is a device or system that allows you to modulate the speed of a motor or mechanism.
There are different types of speed variators, adapted to different types of motors (direct current motor, asynchronous motor, etc.) and based on different operating principles. 

They can be mechanical, like gearboxes, electrical, like rheostats for DC motors, or electronic.


Frequency variator


This is a specific type of electronic speed variator intended for alternating electric motors, mainly asynchronous motors.
Its operating principle is based on changing the frequency of the alternating current supplied to the motor. By changing this frequency, we modify the rotation speed of the motor.
Thanks to this capability, it allows precise control and efficient modulation of the speed of reciprocating electric motors.

All variable frequency drives are variable speed drives, but not all variable speed drives are necessarily variable frequency drives.
The term "variable speed drive" is more general, encompassing a variety of devices designed
to control the speed of motors, while "frequency inverter" refers specifically to devices that modulate the frequency of current to control speed
alternative electric motors.


What are the applications of a speed variator in industry?


Speed drives, also called frequency converters, are omnipresent in the industrial sector. These devices play a crucial role as speed governors, allowing precise control of the speed and frequency of electric motors.
Kheoos invites you to discover some of their main industrial applications:
Control of pumps and fans: In heating, ventilation and air conditioning (HVAC) systems, speed drives allow the flow of air or fluid to be adjusted, thereby optimizing energy consumption and effectively meeting the varying needs of these systems .
Machine tools and production equipment: Frequency converters are used to adapt motor power to the specific requirements of the tool, ensuring maximum precision during cutting, milling or drilling operations.
Carriers and conveyors: In assembly lines or warehouses
logistics, variators make it possible to adjust the speed of conveyors, thus ensuring safe and efficient handling of goods.
Mixers and agitators: By controlling the torque of the electric motor, the
variators guarantee homogeneous mixing of materials, whether chemical, food or pharmaceutical products.
Variable speed drives, thanks to their advanced control types, offer unprecedented flexibility in optimizing industrial processes. By allowing motor speed and frequency to be controlled precisely, they contribute to more efficient and economical production.
To ensure optimal efficiency of your industrial equipment, look no further than kheoos.
Whether you are looking for new, used speed drives or reconditioned frequency drives, kheoos is the specialist in the reuse of industrial spare parts.

find out more

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find out more Inverter drives

One of the tools that proves essential in this quest is the frequency variator. But what exactly is it, and why is it so crucial to modern manufacturing?

The frequency converter: The key to flexibility and industrial efficiency

The industrial world is constantly evolving, always seeking to improve its efficiency and productivity. One of the tools that proves essential in this quest is the frequency variator. But what exactly is it, and why is it so crucial to modern manufacturing?

What is a frequency converter?

The frequency variator, also called a speed variator or frequency converter, is a gem of power electronics intended to optimize the performance of alternating electric motors.
Its main function is to precisely regulate the speed and torque of the motor. But how does he achieve this feat?
At the center of this technology we find a sophisticated mechanism that adjusts the frequency and DC voltage of the motor power supply. By modifying the frequency of the electric current which powers the motor, the frequency variator directly influences its rotation speed. Consequently, varying the rotation speed becomes an easy and precise task, allowing manufacturers to modulate the energy consumption of their equipment according to needs.
The power electronics integrated into the drive transform the current coming from a source, often via a transformer, into a suitable direct voltage.
This voltage is then frequency modulated through a coupling and vector control process, ensuring perfect adaptation to the demand of the AC motor.
The frequency converter is therefore much more than a simple frequency converter. It symbolizes the evolution of modern technology towards more efficient management of frequency variation, offering better performance while reducing energy consumption.
In an industrial world where efficiency and sustainability are essential, this tool proves to be an indispensable ally.

Better understand the operating principle of a frequency converter!

To understand the magic behind this device, let's consider its process in three steps:
1. Conversion to direct current: The input electricity, generally in the form of alternating current, is transformed into direct current using a rectifier.
2. Frequency modulation: Direct current is then converted back into alternating current, but with a variable frequency, using an inverter.
3. Motor speed control: When the frequency of alternating current changes, the rotation speed of the electric motor also changes.


Why do manufacturers use frequency drives?


The answer is simple: flexibility, energy efficiency, and precise control. Here are some of the main reasons:

Energy saving: In applications such as fans or pumps, where demand often varies, adjusting the motor speed to actual needs provides significant energy savings.
Precision: Variable frequency drives provide rigorous speed control, making industrial processes more precise and optimized.
Longevity of equipment: Motors and machines are less stressed thanks to the progressive starts and stops allowed by drives, thus extending their lifespan.
Programmability: Need a specific startup sequence? Or a reverse function? The drives can be programmed according to specific operational requirements.
Modern industry, in its incessant search for efficiency and productivity, requires tools capable of adapting to changing requirements.
The frequency converter, with its ability to offer precise control while optimizing energy consumption, is an invaluable ally. For companies keen to improve their performance while minimizing their costs, this is undoubtedly a wise investment.


What is the difference between a frequency variator and a speed variator?


Confusion between a variable frequency drive and a variable speed drive is common, as in many contexts these terms are used interchangeably.
However, a variable frequency drive is actually a type of variable speed drive.

Speed variator

It is a device or system that allows you to modulate the speed of a motor or mechanism.
There are different types of speed variators, adapted to different types of motors (direct current motor, asynchronous motor, etc.) and based on different operating principles. 

They can be mechanical, like gearboxes, electrical, like rheostats for DC motors, or electronic.


Frequency variator


This is a specific type of electronic speed variator intended for alternating electric motors, mainly asynchronous motors.
Its operating principle is based on changing the frequency of the alternating current supplied to the motor. By changing this frequency, we modify the rotation speed of the motor.
Thanks to this capability, it allows precise control and efficient modulation of the speed of reciprocating electric motors.

All variable frequency drives are variable speed drives, but not all variable speed drives are necessarily variable frequency drives.
The term "variable speed drive" is more general, encompassing a variety of devices designed
to control the speed of motors, while "frequency inverter" refers specifically to devices that modulate the frequency of current to control speed
alternative electric motors.


What are the applications of a speed variator in industry?


Speed drives, also called frequency converters, are omnipresent in the industrial sector. These devices play a crucial role as speed governors, allowing precise control of the speed and frequency of electric motors.
Kheoos invites you to discover some of their main industrial applications:
Control of pumps and fans: In heating, ventilation and air conditioning (HVAC) systems, speed drives allow the flow of air or fluid to be adjusted, thereby optimizing energy consumption and effectively meeting the varying needs of these systems .
Machine tools and production equipment: Frequency converters are used to adapt motor power to the specific requirements of the tool, ensuring maximum precision during cutting, milling or drilling operations.
Carriers and conveyors: In assembly lines or warehouses
logistics, variators make it possible to adjust the speed of conveyors, thus ensuring safe and efficient handling of goods.
Mixers and agitators: By controlling the torque of the electric motor, the
variators guarantee homogeneous mixing of materials, whether chemical, food or pharmaceutical products.
Variable speed drives, thanks to their advanced control types, offer unprecedented flexibility in optimizing industrial processes. By allowing motor speed and frequency to be controlled precisely, they contribute to more efficient and economical production.
To ensure optimal efficiency of your industrial equipment, look no further than kheoos.
Whether you are looking for new, used speed drives or reconditioned frequency drives, kheoos is the specialist in the reuse of industrial spare parts.