China Good quality Variable Speed Drive Variator Frequency Inverter Converter VFD Mini VFD

Product Description

Variable speed drive variator frequency inverter converter VFD mini vfd

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)
150%/0.25Hz(SVC)
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
Customization:
Available

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variator

What maintenance practices are recommended for variators to ensure optimal performance?

To ensure optimal performance and longevity of variators, certain maintenance practices are recommended. These practices focus on regular inspections, proper lubrication, and adherence to manufacturer guidelines. Here's a detailed explanation of the maintenance practices recommended for variators:

1. Regular Inspections:

Regular inspections are essential to identify any signs of wear, damage, or abnormal operation in variators. Inspect variators visually for leaks, loose fasteners, or any visible damage. Pay attention to abnormal noises, vibrations, or changes in performance, as these could indicate potential issues. Regular inspections allow for early detection and timely resolution of problems, preventing further damage and ensuring optimal performance of variators.

2. Lubrication:

Proper lubrication is crucial for the smooth operation and longevity of variators. Follow the manufacturer's guidelines for lubrication intervals and use the recommended lubricants. Ensure that the variator is well lubricated, paying attention to the bearings, gears, and other moving parts. Insufficient lubrication can lead to increased friction, wear, and heat generation, compromising the performance and lifespan of variators. Regularly check the lubricant levels and top up or replace the lubricant as per the manufacturer's specifications.

3. Cleaning and Debris Removal:

Keep variators clean and free from debris, dirt, and contaminants. Regularly inspect and clean the variator housing, cooling fins, and vents to ensure proper airflow and cooling. Remove any debris or foreign objects that may have entered the variator and could interfere with its operation. Accumulated debris can impede heat dissipation and interrupt the smooth movement of components, affecting the performance and reliability of variators.

4. Belt/Chain Inspection and Adjustment:

If the variator is part of a belt or chain-driven transmission system, it's important to inspect and maintain the belts or chains. Check for signs of wear, damage, or improper tension. Replace worn or damaged belts or chains promptly, and ensure proper tension according to the manufacturer's specifications. Incorrect belt/chain tension can lead to slippage, reduced power transmission efficiency, and premature wear on variators. Regular inspection and adjustment of belts or chains contribute to optimal performance and longevity of variators.

5. Temperature Monitoring:

Monitor the operating temperature of variators regularly. Excessive heat can be detrimental to variator performance and lifespan. Ensure that variators are operating within the recommended temperature range specified by the manufacturer. If the operating temperature exceeds the acceptable limits, investigate and address the underlying causes such as insufficient cooling, excessive friction, or overloading. Proper temperature management helps to prevent overheating, component degradation, and premature failure of variators.

6. Adherence to Manufacturer Guidelines:

Follow the maintenance guidelines provided by the variator manufacturer. Manufacturers often provide specific maintenance schedules, procedures, and recommendations for their variator models. Adhere to these guidelines regarding inspections, lubrication, cleaning, and any other maintenance requirements. Manufacturers' guidelines are based on extensive testing and expertise, ensuring that the variators perform optimally and have a longer service life when proper maintenance practices are followed.

7. Professional Servicing:

For complex maintenance tasks or major repairs, it is advisable to seek professional servicing from authorized technicians or service centers. Trained professionals have the expertise, tools, and knowledge to perform intricate maintenance procedures and troubleshoot variator issues effectively. Professional servicing can help identify and address potential problems before they escalate, ensuring optimal performance and reliability of variators.

By following these maintenance practices, variators can maintain their optimal performance, efficiency, and lifespan. Regular inspections, proper lubrication, cleaning, belt/chain maintenance, temperature monitoring, adherence to manufacturer guidelines, and professional servicing all contribute to maximizing the performance and longevity of variators.

variator

How do variators contribute to the adaptability and versatility of machinery in different settings?

Variators play a significant role in enhancing the adaptability and versatility of machinery across various settings. Their unique design and functionality offer several benefits that enable machinery to perform effectively in diverse environments. Here's a detailed explanation of how variators contribute to adaptability and versatility:

1. Variable Speed Control:

One of the key features of variators is their ability to provide variable speed control. By adjusting the gear ratio continuously, variators allow machinery to operate at different speeds, optimizing performance based on specific requirements. This adaptability in speed control enables machinery to adapt to different tasks, environments, and operating conditions, making them versatile in handling a wide range of applications.

2. Smooth and Seamless Transitions:

Variators offer smooth and seamless transitions between different gear ratios. Unlike traditional transmissions with fixed gear steps, variators eliminate the need for manual gear shifting, resulting in uninterrupted power delivery. This smooth transition allows machinery to adapt rapidly to changing loads, terrain, or operational demands, ensuring consistent performance and minimizing downtime.

3. Enhanced Torque and Power Distribution:

With variators, machinery can achieve enhanced torque and power distribution. By continuously adjusting the gear ratio, variators optimize the power transfer from the source (e.g., engine or motor) to the driven components. This adaptability in torque and power distribution enables machinery to handle varying loads and tasks efficiently, improving productivity and versatility across different settings.

4. Ability to Handle Variable Loads:

Variators excel in handling variable loads, which is crucial in many applications. Machinery often encounters situations where the load fluctuates due to changing materials, processes, or external factors. Variators can dynamically adjust the gear ratio to match the load requirements, ensuring optimal performance without straining the machinery. This adaptability to variable loads enhances the versatility of machinery in different settings.

5. Flexible Power Band:

Variators offer a flexible power band, allowing machinery to operate within its most efficient range. By continuously adjusting the gear ratio, variators enable the machinery to maintain the engine or motor speed at its optimal level, maximizing power output while conserving energy. This adaptability to the power band enhances the efficiency and adaptability of machinery across various settings.

6. Customizable Performance:

Variators often provide options for performance customization. They may include adjustable parameters or settings that allow operators to fine-tune the machinery's behavior based on specific requirements. This customization capability enhances the adaptability of machinery, enabling it to be optimized for different tasks, environments, or operator preferences.

7. Integration with Advanced Control Systems:

Variators can seamlessly integrate with advanced control systems, such as electronic control units (ECUs) or programmable logic controllers (PLCs). This integration enables precise control and monitoring of the variator's operation, allowing for adaptive and intelligent responses to changing conditions. By leveraging advanced control systems, variators enhance the adaptability and versatility of machinery by enabling features like automated performance adjustments, load sensing, and fault diagnostics.

In summary, variators contribute significantly to the adaptability and versatility of machinery in different settings. Their variable speed control, smooth transitions, enhanced torque and power distribution, ability to handle variable loads, flexible power band, customizable performance, and integration with advanced control systems all work together to enable machinery to adapt to diverse tasks, environments, and operating conditions. This adaptability and versatility enhance the machinery's performance, productivity, efficiency, and overall utility across various settings.

variator

What is a variator, and how does it function in mechanical systems?

A variator is a mechanical device used in certain systems to provide variable speed or torque output. It is commonly found in applications such as belt-driven continuously variable transmissions (CVTs) and hydraulic systems. A variator allows for seamless and continuous adjustment of output speed or torque within a specific range, without the need for discrete gears or speed ratios. Here's a detailed explanation of what a variator is and how it functions in mechanical systems:

A variator typically consists of two primary components: a driving element and a driven element. The driving element is connected to the power source, while the driven element is connected to the load or output. The two elements are linked together through a set of movable parts, such as adjustable sheaves, cones, or pistons.

The function of a variator is to vary the effective diameter or contact ratio between the driving and driven elements. By changing the effective diameter, the output speed or torque can be adjusted continuously. The specific mechanism employed by a variator depends on its design and application, but the basic principle remains the same.

In a belt-driven CVT variator, for example, the driving element consists of two variable-diameter pulleys connected by a belt. The pulleys have movable sheaves that can adjust their effective diameter. By changing the position of the sheaves, the belt rides at different points on the pulleys, effectively changing the gear ratio and allowing for continuous speed variation. When the driving pulley's effective diameter increases, the belt rides higher on the pulley, resulting in a larger output speed. Conversely, when the driving pulley's effective diameter decreases, the belt rides lower, resulting in a smaller output speed.

In hydraulic systems, a variator can be achieved through the use of adjustable flow control valves or variable-displacement pumps. By adjusting the valve position or pump displacement, the flow rate and speed of the hydraulic fluid can be varied, enabling precise control of the output speed and torque.

Overall, the variator's function in mechanical systems is to provide a continuously variable output by adjusting the effective diameter, contact ratio, or flow rate. This enables smooth and seamless speed or torque variation without the need for discrete gears or speed ratios. Variators offer advantages such as improved efficiency, flexibility, and precise control in various applications, including automotive transmissions, industrial machinery, and hydraulic systems.

China Good quality Variable Speed Drive Variator Frequency Inverter Converter VFD Mini VFD  China Good quality Variable Speed Drive Variator Frequency Inverter Converter VFD Mini VFD
editor by CX 2024-03-18

Variator Gearbox Co., Ltd.

Mail: [email protected]

As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.

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Ever-power Variator Gearbox Co., Ltd.

Tel: +86-571-88220653/88220971
Fax: +86-571-88220651

Mail: [email protected]

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Addr: SHENHUA ROAD,HANGZHOU, ZHEJIANG , CHINA. 310030

As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.

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