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Energy Saved Frequency Converter
An Energy Saved Intelligent Good Quality Frequency Converter, often referred to as a Variable Frequency Drive (VFD) or Adjustable Speed Drive (ASD), is a device used to control the speed and torque of electric motors by varying the frequency and voltage of the power supplied to the motor. This can lead to significant energy savings, particularly in applications where the motor does not need to run at full speed all the time. Here’s a detailed look at how it works:
Basic Principles
1. AC-DC Conversion: The ESFC first converts the incoming AC (alternating current) power supply to DC (direct current) using a rectifier. This process is known as rectification.
2. DC Bus: The rectified DC power is then fed into a DC bus, which typically includes capacitors to smooth out any ripples in the DC voltage, ensuring a stable DC supply.
3. DC-AC Inversion: The stable DC power is then converted back to AC using an inverter. The inverter consists of power electronic switches (such as IGBTs - Insulated Gate Bipolar Transistors) that are controlled by a microprocessor to generate an AC output at the desired frequency and voltage.
Control Mechanisms
1. Pulse Width Modulation (PWM): The inverter uses a technique called Pulse Width Modulation to create a variable frequency and voltage output. By adjusting the width of the pulses in the PWM signal, the ESFC can control the effective voltage and frequency supplied to the motor.
2. Feedback Loop: Advanced ESFCs use feedback from the motor to adjust the output in real-time. Sensors measure parameters such as motor speed, torque, and current, and this data is fed back to the controller, which makes necessary adjustments to maintain optimal performance.
Benefits
1. Energy Savings: By matching motor speed to the actual load requirements, ESFCs can reduce energy consumption significantly. This is particularly beneficial in applications like pumps, fans, and HVAC systems where the load often varies.
2. Reduced Wear and Tear: Soft starting and stopping reduce mechanical and electrical stress on the motor and connected equipment, extending their lifespan.
3. Improved Process Control: Precise speed and torque control can improve the quality and efficiency of the process being controlled.
4. Power Factor Improvement: ESFCs can improve the power factor of the motor system, reducing reactive power and potentially lowering electricity costs.
Applications
n HVAC Systems: For controlling fans, pumps, and compressors.
n Industrial Machinery: For conveyors, mixers, and other motor-driven equipment.
n Water and Wastewater Treatment: For controlling pumps and blowers.
n Renewable Energy Systems: For optimizing the performance of wind turbines and solar power systems.
Data sheet:
Product Name | Frequency Converter For Electric Motor |
Power Specifications | 0.75KW - 22KW |
Rated Voltage | 380V |
Input Voltage | ±15% |
Input Frequency | 50Hz |
Cooling Level | Air-cooled with fan control |
Low Frequency Output | 0-300Hz |
High Frequency Output | 0-3000Hz |
Control Mode | V/F control, advanced V/F control, V/F separation control, current vector control |
Protection | Over-current, over-voltage and under-voltage, module fault, over-heat, short circuit, input and output lack of phase, abnormal motor parameter regulation, electronic thermal relay, ect. |
Installation Dimension:
Model | Rated Power | Install Size | Mounting Aperture | ||||
Height(H) | Width(W) | Deep(D) | High(B) | Wide(A) | |||
BP680-0R75-T4 | 0.75KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-1R5-T4 | 1.5KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-2R2-T4 | 2.2KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-3R0-T4 | 3.0KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-4R0-T4 | 4.0KW | 188 | 127 | 185 | 175 | 115 | M4 |
BP680-5R5-T4 | 5.5KW | 258 | 145 | 195 | 240 | 130 | M5 |
BP680-7R5-T4 | 7.5KW | 258 | 145 | 195 | 240 | 130 | M5 |
BP680-011G-T4 | 11KW | 258 | 145 | 195 | 240 | 130 | M5 |
BP680-015G-T4 | 15KW | 320 | 170 | 220 | 300 | 150 | M5 |
BP680-018G-T4 | 18.5KW | 320 | 170 | 220 | 300 | 150 | M5 |
BP680-022G-T4 | 22KW | 320 | 170 | 220 | 300 | 150 | M5 |
A/B is the mounting size and H/W/D is the peripheral size.
FAQ:
1. Who are we?
We are a manufacturer based in Zhejiang, China, start from 2009, and sell to Domestic Market(100.00%). There are total about 201-300 people in our office.
2. How can we guarantee quality?
Pre-production sample before mass production; Final Inspection before shipment.
3. What can you buy from us?
Frequency Converter, Soft Starter, Automation System Development And Complete Set Of Electric Box.
4. Do you offer customization services?
Yes, we can customize the products according to your requirements. Please send us an inquiry, your inquiry will be replied within 24 hours.
5. What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, DDP, DDU, Express Delivery；
Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, CNY;
Accepted Payment Type: T/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash;
Language Spoken: English, Chinese.
Energy Saved Frequency Converter
An Energy Saved Intelligent Good Quality Frequency Converter, often referred to as a Variable Frequency Drive (VFD) or Adjustable Speed Drive (ASD), is a device used to control the speed and torque of electric motors by varying the frequency and voltage of the power supplied to the motor. This can lead to significant energy savings, particularly in applications where the motor does not need to run at full speed all the time. Here’s a detailed look at how it works:
Basic Principles
1. AC-DC Conversion: The ESFC first converts the incoming AC (alternating current) power supply to DC (direct current) using a rectifier. This process is known as rectification.
2. DC Bus: The rectified DC power is then fed into a DC bus, which typically includes capacitors to smooth out any ripples in the DC voltage, ensuring a stable DC supply.
3. DC-AC Inversion: The stable DC power is then converted back to AC using an inverter. The inverter consists of power electronic switches (such as IGBTs - Insulated Gate Bipolar Transistors) that are controlled by a microprocessor to generate an AC output at the desired frequency and voltage.
Control Mechanisms
1. Pulse Width Modulation (PWM): The inverter uses a technique called Pulse Width Modulation to create a variable frequency and voltage output. By adjusting the width of the pulses in the PWM signal, the ESFC can control the effective voltage and frequency supplied to the motor.
2. Feedback Loop: Advanced ESFCs use feedback from the motor to adjust the output in real-time. Sensors measure parameters such as motor speed, torque, and current, and this data is fed back to the controller, which makes necessary adjustments to maintain optimal performance.
Benefits
1. Energy Savings: By matching motor speed to the actual load requirements, ESFCs can reduce energy consumption significantly. This is particularly beneficial in applications like pumps, fans, and HVAC systems where the load often varies.
2. Reduced Wear and Tear: Soft starting and stopping reduce mechanical and electrical stress on the motor and connected equipment, extending their lifespan.
3. Improved Process Control: Precise speed and torque control can improve the quality and efficiency of the process being controlled.
4. Power Factor Improvement: ESFCs can improve the power factor of the motor system, reducing reactive power and potentially lowering electricity costs.
Applications
n HVAC Systems: For controlling fans, pumps, and compressors.
n Industrial Machinery: For conveyors, mixers, and other motor-driven equipment.
n Water and Wastewater Treatment: For controlling pumps and blowers.
n Renewable Energy Systems: For optimizing the performance of wind turbines and solar power systems.
Data sheet:
Product Name | Frequency Converter For Electric Motor |
Power Specifications | 0.75KW - 22KW |
Rated Voltage | 380V |
Input Voltage | ±15% |
Input Frequency | 50Hz |
Cooling Level | Air-cooled with fan control |
Low Frequency Output | 0-300Hz |
High Frequency Output | 0-3000Hz |
Control Mode | V/F control, advanced V/F control, V/F separation control, current vector control |
Protection | Over-current, over-voltage and under-voltage, module fault, over-heat, short circuit, input and output lack of phase, abnormal motor parameter regulation, electronic thermal relay, ect. |
Installation Dimension:
Model | Rated Power | Install Size | Mounting Aperture | ||||
Height(H) | Width(W) | Deep(D) | High(B) | Wide(A) | |||
BP680-0R75-T4 | 0.75KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-1R5-T4 | 1.5KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-2R2-T4 | 2.2KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-3R0-T4 | 3.0KW | 186 | 96 | 145 | 173 | 86 | M4 |
BP680-4R0-T4 | 4.0KW | 188 | 127 | 185 | 175 | 115 | M4 |
BP680-5R5-T4 | 5.5KW | 258 | 145 | 195 | 240 | 130 | M5 |
BP680-7R5-T4 | 7.5KW | 258 | 145 | 195 | 240 | 130 | M5 |
BP680-011G-T4 | 11KW | 258 | 145 | 195 | 240 | 130 | M5 |
BP680-015G-T4 | 15KW | 320 | 170 | 220 | 300 | 150 | M5 |
BP680-018G-T4 | 18.5KW | 320 | 170 | 220 | 300 | 150 | M5 |
BP680-022G-T4 | 22KW | 320 | 170 | 220 | 300 | 150 | M5 |
A/B is the mounting size and H/W/D is the peripheral size.
FAQ:
1. Who are we?
We are a manufacturer based in Zhejiang, China, start from 2009, and sell to Domestic Market(100.00%). There are total about 201-300 people in our office.
2. How can we guarantee quality?
Pre-production sample before mass production; Final Inspection before shipment.
3. What can you buy from us?
Frequency Converter, Soft Starter, Automation System Development And Complete Set Of Electric Box.
4. Do you offer customization services?
Yes, we can customize the products according to your requirements. Please send us an inquiry, your inquiry will be replied within 24 hours.
5. What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, DDP, DDU, Express Delivery；
Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, CNY;
Accepted Payment Type: T/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash;
Language Spoken: English, Chinese.
