FREQUENCY CONVERTER
The vfd frequency converteris also called voltage and frequency converter. CCS has mastered the most advanced frequency conversion speed regulation technology. We can provide customers with solid state frequency converter, high ingress protection transformation converter, and explosion-proof variable frequency converters, which are widely used in special environments such as oil and gas, chemical industry, and coal mines. The power frequency converter has the characteristics of high reliability, high protection, and high efficiency, and meets the needs of customized frequency converters.
What is a Frequency Converter
A frequency converter, also known as a variable frequency drive (VFD), is an electronic device that is used to control the speed of an electric motor by varying the frequency of the power supplied to it.
The frequency converter works by converting the incoming AC power into a stable DC voltage, and then converting the DC voltage back into an AC voltage of the desired frequency using an inverter. The inverter switches on and off rapidly to create a series of voltage pulses that approximate a sine wave of the desired frequency.
By varying the frequency of the voltage pulses, the speed of the motor can be controlled. This allows for precise speed control of the motor, which can lead to energy savings, improved process control, and reduced wear and tear on the motor and associated equipment.
Frequency Converter Application
Voltage and Frequency Converter for Cooling Tower: The use of a voltage and frequency converter on a cooling tower fan is the most useful means to control leaving water temperature on critical process water applications. Frequency Converter can help save energy and reduce the noise of cooling tower in non-peak periods and benefit the life of the frequency converter componentswith fewer starts, smoother starts, and built-in motor diagnostics.
Voltage and Frequency Converter in Mining Applications: Voltage and frequency converter are now finding wide use in mining applications.
Voltage and Frequency Converter for Water Pumps: The installation of voltage and frequency converter on water pumps can be an effective energy saving measurement. Voltage and frequency converter can be installed on all water pumps, including those associated with HVAC systems.
Benefits of Using Frequency Converters
How does A Frequency Converter Work?
Static frequency converter working principle: The electric frequency converter mainly adopts AC-DC-AC mode, which first converts the power frequency AC power supply into DC power supply through the rectifier, and then converts the DC power supply into AC power supply with controllable frequency and voltage to supply the motor. The voltage and frequency converter converts a basic fixed-frequency, fixed voltage sine-wave power (line power) to a variable-frequency, variable-voltage output used to control speed of induction motors.
Frequency Converter VS VFD
FAQs of Frequency Converter
- What is a frequency converter?
The frequency converter is one of the electrical control devices that uses frequency conversion technology and microelectronics technology to control AC motor by changing the frequency of the motor working power supply.
The inverter is mainly composed of a rectifier (AC to DC), filter, inverter (DC to AC), braking unit, driving unit, detection unit and micro-processing unit. The inverter adjusts the voltage and frequency of the output power supply by the interruption of IGBT, and provides the required power supply voltage according to the actual needs of the motor, so as to achieve the purpose of energy saving and speed regulation. In addition, the inverter has many protection functions, such as overcurrent, overvoltage and overload protection, etc.
- What is static frequency converter?
Static inverters are devices that convert a fixed voltage and frequency to a different voltage and frequency. The working principle of the static frequency converter is to convert the fixed grid power supply from alternating current to direct current through internal electronic components.
- What is frequency of conversion?
Frequency conversion can also be referred to as volt-to-frequency conversion. After the voltage signal is converted into a pulse signal, the anti-interference ability of the signal can be significantly enhanced, and it is also conducive to long-distance transmission.
- What are the main parts of frequency converter?
- What is the frequency converter working principle?
How frequency converter works? The electric frequency converter mainly adopts AC-DC-AC mode (VVVF frequency conversion or vector control frequency conversion), which first converts the power frequency AC power supply into DC power supply through the rectifier, and then converts the DC power supply into AC power supply with controllable frequency and voltage to supply the motor.
- Which industries need electric frequency converters?
The main function of the electric frequency converter is frequency conversion and speed regulation, which is widely used. Coal mine, port, metallurgy, chemical industry, paper making, machinery and other industries. The electric Frequency converters can be used in places where speed regulation is needed.
- What is a frequency converter used for?
An electric frequency converter is a device that converts power. The fixed-voltage power can be converted into a variable voltage by using the frequency converter. Unlike the VFD (variable frequency drive motor), the electric frequency converter is more like an ideal AC power supply. Manufacturers manage to lower the price of electric frequency converters with new technologies, attracting more and more countries to choose it as the standard one for power supply.
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