Special Frequency Converter for Fans and Pumps

Zhejiang Yibaling Power Supply Equipment Co., Ltd. is one of the large-scale factories in China specializing in Special Frequency Converter for Fans and Pumps. Our factory has been engaged in this industry for many years and the special frequency converters we produce are not only of high quality but also offer competitive prices. We welcome you to purchase high-quality product from our factory.

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Product Description

The Yibaling special frequency converter for fans and pumps is a power control device that has been deeply optimized based on the characteristics of fans and pumps. It precisely controls the air volume or flow rate by intelligently adjusting the motor speed.
The special frequency converter for fans and pumps’s core value lies in transforming the traditional valve/baffle throttling rough control mode into a demand-based speed regulation refined energy-saving operation mode.
This type of frequency converter is equipped with specific functions suitable for fans and pumps, such as linear or square-law V/F curves, sleep and wake-up functions, automatic energy-saving operation, and multi-pump cycle control, etc.
As a result, it performs exceptionally well in HVAC (heating, ventilation, and air conditioning), water supply, sewage treatment, industrial cooling and other systems.
Compared to general-purpose frequency converters, the special ones can more effectively reduce the energy consumption of such loads during partial load operation, achieving significant energy-saving effects (typically up to 20%-50%), while reducing mechanical shock, extending equipment lifespan, and enhancing the system's automation level and control flexibility.

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Application Scenarios

The application scenarios of the special frequency converters for fans and pumps revolve around two core goals: precise regulation of process parameters such as flow, pressure, and temperature and significantly reducing energy consumption.
Any load of fans and pumps that requires adjusting the output of fluid media by changing the motor speed and pursuing automation control and energy efficiency improvement is a natural application scenario for the special frequency converter. The following are some common application fields:

1. Central Air Conditioning Systems

This is the most typical application of the special frequency converter for fans and pumps, for public buildings and commercial facilities. It regulates the rotational speed of cooling pumps, chilled water pumps, and cooling tower fans to dynamically match load changes, replacing inefficient valves and air door throttling, achieving up to 30%-50% energy savings and improving temperature control comfort.

2. Urban Water Supply and Sewage Treatment

In this field, the special frequency converter drives water supply pumps, booster pumps, and aeration blowers to achieve constant pressure water supply and precise aeration based on dissolved oxygen (DO), ensuring water quality while significantly reducing energy consumption.

3. Industrial Manufacturing Processes

Such as in chemical and metallurgical industries, the special frequency converter is used to control production process pumps and fans, precisely regulating process parameters to stabilize product quality.

4. Special Scenarios

In agricultural irrigation, centralized heating, and other special scenarios such as mines and ships, our product achieves resource conservation and system reliable operation by adjusting as needed.

The Core of Special Frequency Converter for Fans and Pumps

Core	Core Component	Functions and Design Features
Power conversion main circuit	rectifying unit	Convert alternating current to direct current. The mid-to-high-end models use IGBT for rectification, which can achieve a high power factor (>0.95) and low harmonics.
	DC bus	It is composed of an electrolytic capacitor group and a voltage equalization/shunting resistor, and is used for energy storage and filtering. The capacitance capacity and temperature resistance level of this component directly affect its lifespan and reliability.
	Inverter unit	The core of the core is composed of IGBT modules and dedicated driver circuits. The protection response speed (at the μs level) of the driver circuit is crucial as it determines the safety of the IGBT.
Intelligent control core	master controller	Usually, 32-bit DSP or high-performance MCU is adopted, which is responsible for running control algorithms, processing signals and executing protection logic.
	Signal sampling circuit	High-precision current/voltage Hall sensors and temperature sensors provide real-time and accurate feedback for control.
Specialized algorithms and functional modules	Optimized V/F control curve	The device is equipped with a V/F curve specifically designed for the square drop torque load characteristics of fans and pumps. It automatically reduces the voltage during light loads to achieve optimal energy savings.
	Built-in PID regulator	Core function. It can directly receive process signals such as pressure, temperature, and flow (4-20mA/0-10V), and automatically adjust the speed in a closed loop, eliminating the need for external PID instruments.
	Multi-pump control logic	Built-in program enables the control of the cyclic soft start of 2 to 8 pumps, as well as the sequential switching and wear balancing. This realizes a truly multi-unit intelligent pumping station.

Product Information

Model	InputVoltage	OutputVoltage	Power	Model	RatedCurrent	G.W.Grossweight(kg)	Dimensions(mm)	Installation size (mm)
760-G2.2-T4	380V	380V	2.2kW	JE1	5.1	1.4	21295154	212*78
760-G4.0-T4	380V	380V	4.0kW	JE1	8.5	1.5
760-G5.5-T4	380V	380V	5kW	JE1	13	1.5
760-G7.5-T4	380V\|C	380V	7.5kW	JE2	16	3.36	2401401805	230*129
760-G11-T4	380V	380V	11kW	JE2	24	3.42	2401401805	230*129
760-G15-T4	380V	380V	15kW	JE3	32	5.7	322205199	305*188
760-G18.5-T4	380V	380V	18.5KW	JE3	36	5.82
760-G22-T4	380Vc	380V	22kW	JE3	44	6.72
760-G30-T4	380V	380V	30kW	JE3	58	6.66
760-G37-T4	380V	380V	37kW	JE4	70	14.9	460230210	470*160
760-G45-T4	380V	380V	45kW	JE4	90	15.04	460230210	470*160
760-G55-T4	380V	380V	55kW	JE5	110	18	530270205	505*195
760-G75-T4	380V	380V	75kW	JE5	152	18.12	530270205	505*195
760-G90-T4	380V	380V	90kw	JE6	172	38	650270290	630*145
760-G110-T4	380V	380V	110kW	JE6	205	38
760-G132-T4	380V	380V	132kW	JE6	253	39
760-G160-T4	380V	380V	160kW	JE7	304	6	800310320	775*250
760-G185-T4	380V	380V	185kW	JE7	334	52.5
760-G200-T4	380V	380V	200kW	JE7	377	52.5
760-G220-T4	380V	380V	220kW	JE8	426	72.8	800470320	775*360
760-G250-T4	380V	380V	250kW	JE8	465	73.4
760-G285-T4	380V	380V	285kW	JE8	520	74