Mokweir Transmission Technology (Suzhou) Co., Ltd. is an enterprise dedicated to the research and development, manufacturing, sales and service of power electronic products such as medium and low voltage inverters and servo drives.
Why Choose us
Our Certificates
At present, we have obtained ISO9001 and ISO14001 quality management system certificates.There are also numerous patents and software copyright.
Core Technology
The company is proficient in core technologies such as inverter standard current vector and fuzzy vector control, and at the same time continuously improves product industrialization skills, is proficient in the quality system process control of industrial-grade drivers, and has complete hardware facilities for product verification and manufacturing processes.
24-Hour Online Service
Provide 24-hour online consulting services to solve the problems encountered in the use of products for customers to ensure the smooth use of customers.
Types of Specialized Frequency Converter
220v To 380v VFD
Transform your industrial operations with our high-performance 220V to 380V VFD, designed to deliver reliable power conversion for a variety of applications. This Variable Frequency Drive (VFD) is the epitome of versatility and efficiency, ensuring your equipment performs at its best regardless of voltage differences.
VFD For Machine Tool Spindle
Precision and power meet in our VFD for Machine Tool Spindle, a high-performance variable frequency drive designed specifically for the demands of precision machinery. This advanced VFD offers vector control，providing exceptional torque and speed control for your machine tool spindles.
380v CNC Spindle Frequency Inverter
Achieve precision and efficiency with our 380V CNC Spindle Frequency Inverter, a high-performance VFD designed specifically for machine tool spindles. This Variable Frequency Drive (VFD) is tailored to meet the demands of high-speed precision machinery, offering superior control and reliability.
Industrial Grinding Machine Inverters
Our Industrial Grinding Machine Inverters are specifically engineered for high-performance applications in grinding machinery. These all-sealed Variable Frequency Drives (VFDs) offer robust construction to withstand the harsh conditions commonly found in industrial grinding environments.
What Sets Specialized Frequency Converter Apart from General-Purpose Models?
Specialized Functionality
There are specialized frequency converters designed for particular applications like pumps, fans, and conveyor systems to meet specific requirements. They are optimized to provide accurate speed and torque control, sufficient for efficient operation and energy conservation in these niche applications.
Control Modes
They often incorporate advanced control algorithms and hardware, such as CPUs for torque calculation and specific circuits, to achieve this level of control. In contrast, general-purpose models may have limitations in terms of control precision and application-specific features. For example, they may use open-loop control modes, which lack feedback about the motor's actual performance, or may be limited in their ability to control motors at very low speeds.
Specialized frequency converters, unlike general-purpose models, often have a wide range of control modes that can be tailored to meet the specific requirements of any given application. These control modes facilitate better performance and agility in different operation situations or conditions.
Application-Specific Features
Specialized frequency converters may include specific application features such as built-in protection mechanisms, communication protocols, and motor control algorithms that are designed to meet the unique needs of the envisioned application.
Efficiency and Reliability
Specialized frequency converters are created to make motor-driven systems efficient and reliable in specific applications. They are designed to provide the best possible performance, energy conservation, and long operational life in order to enhance overall system productivity efficiency.
Specialized Frequency Converter Troubleshooting
High bus is a common fault caused by external factors. An instantaneous voltage spike in the ac line or an "overhauling load" created by the inertia of the machine can cause a high bus fault. The load continues to rotate faster than the motor's commanded speed. When this situation occurs, the specialized frequency converter protects itself by tripping on a high bus fault and shutting off the insulated gate bipolar transistors (IGBTs).
Another common fault is overcurrent. When troubleshooting overcurrent faults, first check all power connections to ensure that they are properly attached. Loose connections or broken conductors frequently are culprits when overcurrent and control problems occur. Loose power connections cause overvoltage and overcurrent conditions, blown fuses, and specialized frequency converter damage. Loose control wiring causes erratic frequency inverter performance, resulting in unpredictable speed fluctuations or the inability to control the specialized frequency converter.
High current/load readings may indicate mechanical binding or unexplained changes in process speed or load. The power requirements for many pumps and fans increase proportional to the cube of the rotational speed (S3). Running loads just a few revolutions per minute faster can overload a specialized frequency converter.
Components should be checked before startup to avoid an overload situation. Conveyors left loaded during off hours should be unloaded before startup. Clogged pumps should be avoided by cleaning out solids that have settled while the pump was not in use. Avoid ice or moisture that possibly could form on the load. Wet material is heavier than dry and can place more loading on the conveyor, causing motor and specialized frequency converter overload.
If the specialized frequency converter is functioning erratically, but a fault is not indicated, external factors may be the cause, or the frequency inverter itself may have failed. Understanding the causes of specialized frequency converter faults helps you determine the root cause of the problem. Frequently overlooked root causes are usually instabilities in the process that force the specialized frequency converter to function in harsh conditions.
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FAQ
We're professional specialized frequency converter manufacturers and suppliers in China, providing high quality customized service with low price. We warmly welcome you to wholesale specialized frequency converter in stock here from our factory. For free sample, contact us now.