China OEM Frequency Converter 50HP Engine Frequency Variator Drive Inverter Economical AC Drive VFD for 3 Phase 220V 2.2kw Motor

Product Description

Frequency Converter 50hp engine frequency variator drive inverter economical ac drive vfd for 3 phase 220v 2.2kw motor

Product Description

The EM700 series frequency converter is a high-reliability, small-sized general-purpose frequency converter launched by Sine Electric: EM700 supports three-phase AC asynchronous machines.

EM700 series frequency converter have the following features:
•  Compact size, supports side-by-side installation;
•  Pluggable main power terminals for quick installation and maintenance
•  50ºC ambient temperature, no need to derate;
•  Support digital potentiometer speed adjustment, fast and accurate speed adjustment;
•  Complete protection functions: multiple protections such as short circuit, overcurrent, overvoltage, overload, and overheating.

Product Parameters

Items Specification
Power supply Rated supply voltage Three-phase 340V-10% to 460V+10%
Single-phase/three-phase 200V-10% to 240V+10%
50~60Hz±5%, voltage imbalance rate <3%
Output Maximum output voltage The maximum output voltage is the same as the input supply voltage
Output current rating 100% rated current continuous output
Maximum overload current 150% heavy load rated current for 60s
120% light load rated current for 60s
Basic control functions Drive mode V/F control (VVF); speed sensorless vector control (SVC)
Input Frequency (speed) input, torque input
Start/stop control method Keyboard, control terminals (second-line control, third-line control), communication
Frequency control range 0.00~600.00Hz/0.0 to 3000.0HZ
Input frequency resolution Digital input: 0.01Hz/0.1Hz
Analog input: 0.1% of maximum frequency
Speed range 1:50 (VVF), 1:200 (SVC)
Speed control accuracy ±0.2% rated synchronous speed
Acceleration and deceleration time 0.01s to 600.00s/0.1s to 6000.0s/1s to 60000s
Voltage/frequency characteristics Rated output voltage is adjustable from 20% to 100%
Fundamental frequency 1Hz~600Hz/3000Hz adjustable
Torque boost Fixed torque boost curve
Any V/F curve optional
Starting torque 150%/1Hz(VVF)
Torque control accuracy ±5% rated torque (SVC)
Output voltage self-adjusting As the input voltage changes, the output voltage remains basically the same.
Automatic current limiting Automatically limit output current to avoid frequent overcurrent protection actions
DC braking Braking frequency: 0.01 to maximum frequency Braking time: 0 to 30S
Braking current: 0% to150% rated current
Signal input source Communication, multi-speed, analog, etc.
Input and output functions Reference power supply 10V/20mA
Terminal control power 24V/100mA
Digital input terminal 4 digital multi-function inputs: X1 to X4
Analog input terminal 1 analog input
1 channel (AI1) voltage source 0 to10V, 0-5V input or current source 4 to 20mA input optional
Digital output terminal 1 open collector multi-function output and 1 relay multi-function output
Collector output maximum output current 50mA
Relay contact capacity 250VAC/3A or 30VDC/1A
EA-EC normally open
Keyboard LED display LED digital tube displays relevant information of the inverter
Protection Protect Functions Short circuit, overcurrent, overvoltage, undervoltage, phase loss, overload, overheating, load loss and external protection, etc.
Conditions of Use Installation place Indoors, the altitude is less than 1 km, no dust, no corrosive gases and no direct sunlight. When the altitude exceeds 1,000 meters, the usage will be derated by 1% for every 100 CHINAMFG higher, and the maximum usage altitude is 3,000 meters.
Applicable environment  -10ºC to +50ºC, 5% to 95%RH (no condensation). When the ambient temperature exceeds 50ºC, derating is required. The derating is derated by 3% for every 1ºC increase. The maximum operating ambient temperature is 60ºC
Vibration Less than 0.5g
Storage environment -40ºC to +70ºC
Installation method Wall-mounted, cabinet installation
Protection Level IP20
Cooling method Forced air cooling

Installation Instructions

(a)E700-0R4-2B~EM700-0R7-2B/EM700-0R7-3B~EM700-1R5-3B Size

(b)E700-1R5-2B~EM700-2R2-2B/EM700-2R2-3B~EM700-4R0-3B Size

(c)E700-5R5-3B Size

EM700 installation direction and space

Company Profile

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Application: General Transducer
Output Type: Triple
Principle of Work: Vector Control Transducer
Switch Mode: PWM Control
Main Circuit Type: Voltage
Voltage of Power Supply: Medium Voltage Variable-Frequency Drive



Can variators be customized for specific industries or machinery configurations?

Yes, variators can be customized to meet the specific requirements of different industries and machinery configurations. Manufacturers of variators understand that different industrial applications may have unique needs in terms of load characteristics, operating conditions, control system integration, and other factors. As a result, they offer customization options to ensure optimal performance and compatibility. Here are some ways variators can be customized:

1. Load and Torque Ratings:

Variators can be customized to handle specific load requirements and torque ratings. Manufacturers can design and manufacture variators with different torque capacities to match the demands of different machinery or equipment. This customization ensures that the variator can effectively handle the expected load conditions without exceeding its torque limitations or compromising performance.

2. Speed Range:

Depending on the machinery configuration and application requirements, variators can be customized to provide the desired speed range. Manufacturers can adjust the gear ratios and design the variators to operate within specific speed ranges to match the speed requirements of the machinery. This customization allows for precise control and optimization of the machinery’s speed performance.

3. Environmental Considerations:

Variators can be customized to meet specific environmental conditions. Certain industries or machinery configurations may require variators that can withstand harsh environments, such as high temperatures, extreme humidity, or exposure to dust and debris. Manufacturers can incorporate enhanced protection and sealing mechanisms to ensure the variators can operate reliably in these challenging conditions.

4. Control System Integration:

Variators can be customized to integrate seamlessly with different control systems. Manufacturers can adapt the communication interfaces and protocols of the variators to match the specific requirements of the machinery’s control architecture. This customization allows for smooth integration with existing control systems, such as programmable logic controllers (PLCs) or other automation systems.

5. Mounting and Form Factor:

Variators can be customized to accommodate specific mounting configurations and form factors. Different machinery configurations may require variators with specific dimensions, mounting options, or shaft configurations to ensure proper installation and compatibility. Manufacturers can provide custom solutions to meet these specific mounting and form factor requirements.

6. Additional Features and Accessories:

Manufacturers can offer customization options by incorporating additional features and accessories into the variators. These can include specialized connectors, monitoring sensors, remote control capabilities, or specific software functionalities. By tailoring the variators with these additional features, they can better align with the unique needs of the industry or machinery configuration.

7. Compliance with Industry Standards:

Variators can be customized to meet specific industry standards and certifications. Depending on the industry or application, there may be specific regulatory or safety standards that variators need to comply with. Manufacturers can customize the design and manufacturing processes to ensure that the variators meet these standards and certifications.

In conclusion, variators can be customized to suit specific industries or machinery configurations. Manufacturers offer customization options to address factors such as load requirements, speed range, environmental conditions, control system integration, mounting configurations, additional features, and compliance with industry standards. By customizing variators, industries can ensure optimal performance and compatibility with their specific machinery and application needs.


Can you explain the impact of variators on the overall drivability of vehicles?

Variators have a significant impact on the overall drivability of vehicles. Their design and functionality contribute to improved performance, smoother acceleration, enhanced fuel efficiency, and better control. Here’s a detailed explanation of the impact of variators on the overall drivability of vehicles:

1. Smooth and Continuous Power Delivery:

Variators, especially those used in continuously variable transmissions (CVTs), provide a smooth and continuous power delivery. Unlike traditional transmissions with fixed gear ratios, variators offer an infinite number of gear ratios within their operating range. This allows the engine to operate at its most efficient speed for a given driving condition, resulting in seamless and uninterrupted power delivery. The absence of gear shifts or abrupt changes in gear ratios enhances the overall driving experience, making it smoother and more comfortable for the driver and passengers.

2. Optimal Powerband Utilization:

Variators enable the engine to stay within its optimal powerband for a wide range of driving conditions. The continuously variable nature of variators allows the engine to operate at the RPM (revolutions per minute) range where it produces the highest torque and power. By keeping the engine within its optimal powerband, variators enhance the vehicle’s responsiveness and acceleration. This results in improved drivability, especially during overtaking maneuvers or when quick acceleration is required.

3. Improved Fuel Efficiency:

Variators, particularly CVTs, contribute to improved fuel efficiency. By continuously varying the gear ratio to match the driving conditions, variators allow the engine to operate at lower RPMs during cruising or light load conditions. This keeps the engine operating at its most efficient point, reducing unnecessary fuel consumption. Additionally, variators eliminate the energy losses associated with gear shifts in traditional transmissions, further improving fuel efficiency. The improved fuel efficiency provided by variators not only lowers fuel costs but also reduces the environmental impact by lowering emissions.

4. Enhanced Control and Responsiveness:

Variators offer precise control over the powertrain, resulting in enhanced vehicle control and responsiveness. The continuously variable gear ratios allow for fine adjustments in power delivery, enabling smooth and precise acceleration or deceleration. This gives drivers more control over their vehicle’s speed and performance, enhancing the overall driving experience. Variators also respond quickly to changes in throttle input, allowing for seamless transitions between different driving conditions and improving drivability in various road and traffic situations.

5. Adaptability to Driving Conditions:

Variators are adaptable to a wide range of driving conditions. They can adjust the gear ratio in real-time based on factors such as vehicle speed, throttle input, and road conditions. This adaptability allows variators to optimize power delivery for different scenarios, whether it’s smooth cruising on highways, navigating city traffic, or tackling steep inclines. By automatically adjusting the gear ratio to match the driving conditions, variators enhance drivability and ensure optimal performance across various situations.

6. Reduction in Noise and Vibrations:

Variators contribute to a quieter and more refined driving experience by reducing noise and vibrations. The continuously variable nature of variators eliminates the need for gear shifts, which are often accompanied by noticeable shifts in engine noise and vibrations in traditional transmissions. With variators, the engine can operate at lower RPMs during normal driving, resulting in reduced engine noise. Additionally, the absence of gear shifts minimizes the vibrations transmitted to the vehicle, leading to a smoother and more comfortable ride.

7. Integration with Advanced Driver Assistance Systems (ADAS):

Variators can seamlessly integrate with advanced driver assistance systems (ADAS) to enhance overall drivability and safety. By providing precise control over power delivery, variators can work in conjunction with ADAS technologies such as adaptive cruise control, lane-keeping assist, and automatic emergency braking. The integration of variators with ADAS enables smoother acceleration and deceleration, improved vehicle stability, and enhanced responsiveness to potential hazards, ultimately improving the overall drivability and safety of vehicles.

In conclusion, variators have a significant impact on the overall drivability of vehicles. They provide smooth and continuous power delivery, optimize powerband utilization, improve fuel efficiency, enhance control and responsiveness, adapt to driving conditions, reduce noise and vibrations, and integrate with advanced driver assistance systems. By incorporating variators into vehicles, manufacturers can enhance the driving experience, improve performance, and achieve higher levels of efficiency and comfort for drivers and passengers.


Are there specific applications where variators outperform other transmission systems?

Yes, there are specific applications where variators, particularly those used in continuously variable transmissions (CVTs), can outperform other transmission systems. The unique characteristics and capabilities of variators make them well-suited for certain scenarios. Here’s a detailed explanation of the specific applications where variators outperform other transmission systems:

1. Urban Driving and Stop-and-Go Traffic:

Variators excel in urban driving conditions and stop-and-go traffic situations. In congested areas with frequent speed changes, variators offer seamless and continuous gear ratio adjustment. This allows the engine to operate at optimal RPM levels, resulting in improved fuel efficiency and smooth power delivery. The absence of discrete gear shifts eliminates the need to constantly shift gears, providing a more effortless and comfortable driving experience.

2. Hill Climbing and Off-Road Driving:

When it comes to tackling steep inclines or challenging off-road terrains, variators can outperform other transmission systems. The continuous gear ratio adjustment of variators ensures that the engine maintains the appropriate power and torque delivery for climbing hills or traversing rough terrain. This adaptability allows vehicles equipped with variators to maintain momentum and traction, providing superior performance and control in demanding off-road conditions.

3. Smooth and Responsive Acceleration:

Variators offer excellent performance in terms of smooth and responsive acceleration. The stepless gear shifts provided by variators eliminate the jolts or interruptions in power delivery that can occur with traditional gear systems. This seamless acceleration allows for quick and efficient merging onto highways, overtaking other vehicles, or responding to sudden changes in traffic conditions. Variators can deliver a more engaging driving experience by providing instant response to throttle inputs.

4. Hybrid and Electric Vehicles:

Variators have proven to be advantageous in hybrid and electric vehicles. In hybrid vehicles, variators can be used in combination with internal combustion engines and electric motors to optimize efficiency and power delivery. The continuous gear ratio adjustment of variators allows for seamless integration between the different power sources, ensuring that the engine operates within its most efficient range. In electric vehicles, variators can be utilized to provide a smooth and efficient transfer of power from the electric motor to the wheels.

5. High-Performance Sports Cars:

In certain high-performance sports cars, variators can outperform traditional gear systems. Variators offer the advantage of quick and precise gear ratio adjustment, allowing the engine to stay within its optimal power band during aggressive acceleration and high-speed driving. This results in enhanced performance, improved acceleration, and seamless power delivery, making variators an attractive choice for sports car enthusiasts.

6. Fuel Efficiency and Emission Reduction:

Variators, especially those used in CVTs, are known for their potential to improve fuel efficiency and reduce emissions. The continuous gear ratio adjustment ensures that the engine operates at the most efficient RPM, maximizing fuel economy. By avoiding inefficient gear shifts, variators contribute to reduced fuel consumption and lower emissions, making them a preferred choice for eco-friendly and fuel-conscious vehicles.

In summary, variators can outperform other transmission systems in specific applications such as urban driving, stop-and-go traffic, hill climbing, off-road driving, smooth and responsive acceleration, hybrid and electric vehicles, high-performance sports cars, and fuel efficiency-focused applications. The unique characteristics of variators, including continuous gear ratio adjustment and seamless power delivery, make them well-suited for these scenarios, offering advantages in terms of performance, control, and efficiency.

China OEM Frequency Converter 50HP Engine Frequency Variator Drive Inverter Economical AC Drive VFD for 3 Phase 220V 2.2kw Motor  China OEM Frequency Converter 50HP Engine Frequency Variator Drive Inverter Economical AC Drive VFD for 3 Phase 220V 2.2kw Motor
editor by CX 2024-03-22