CSS ELECTRICAL FREQUENCY CONVERTER
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The vfd frequency converter is also called voltage and frequency converter. CCS Motor 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.
Types of Frequency Converter
High IP Converter
Solid State Frequency Converter 50HZ to 60HZ
Because of its high cabinet protection level, the frequency converter can be installed outdoors and is suitable for complex outdoor operations.
Power Transformation High IP Converter
High Voltage Frequency Converter 50HZ 10kV/11kV/13.8kV
Input voltage is 11kV or 13.8KV and it can output 2 or 3 curcuits which runs 2 or 3 motors at same time.
Explosion Proof VFD
Explosion Proof VFD 1140V 75kW / 660V 110kW
With explosion proof certificate,this kind of VFD is allowed to run in the undermining environment.The voltage is from 380V to 1140V.
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. CCS Motors offer high voltage frequency converter and solid state frequency converter.
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 components with 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
1. Speed regulation and saving energy, which can save energy by lowering the motor speed when it is not necessary to run at full speed.
2. Soft start can be used to prolong the service life of the voltage and frequency converter.
3. The motor control system is simplified.
4. Reduce mechanical wear and loss.
Frequency Converter Working Principle
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
1.Power Supply: VFD is composed of AC-DC- AC (modulation wave) circuits. Voltage and frequency change proportionally at the same time and can not be adjusted separately, which does not meet the
requirements of the AC power supply. In principle, it can not be used for power supply, and VFD is generally used for speed regulation of three phase asynchronous motor. The whole circuit of
frequency converter consists of AC-DC-AC-Filter Circuit, so the output voltage and current waveform are pure sinusoidal, which is very close to the ideal AC power supply. Voltage and frequency
converter can output the power grid voltage and frequency of any country in the world.
2.Load Test: VFD(vfd rated motors) can't use in load tests because of high vibration and electromagnetic noise, large temperature rise, and the instruments can't work normally. So the voltage to
frequency converter that can provide a pure sine wave output becomes indispensable power equipment in the laboratory.
3. Converter: A VFD is not a typical converter though it has conversions inside it. A voltage frequency converter would typically convert a DC signal to an AC signal.
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?
1. Main circuit: "rectifier" for converting power supply into DC power, "smoothing loop" for absorbing voltage ripple generated by converter and inverter, and "inverter" for converting DC
power into AC power.
2. Rectifier: The power frequency power supply is converted into a DC power supply.
3. Smoothing loop: Suppress voltage fluctuation.
4. Inverter: Contrary to a rectifier, the inverter converts DC power into AC power of the required frequency.
5.Control circuit: The loop where the main circuit provides control signals.
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.
If you want to know more kinds of power control equipment, please visit our website.
- Country: China (Mainland)
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- Address:3138 Shiji Avenue, Huangdao District, Qingdao, China ,266000
- Contact:ccs motors
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