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DC-to-AC VFD Drives Variable Speed Drive for DC Motors with Inversion Technology and Smooth Acceleration
US$1.00-9,999.00
1 Piece
Product profile
Customization
AvailableApplication
Three Phase Transducer, General TransducerOutput Type
SingleModel NO.
zhongping79vfd23Principle of Work
V/F Control TransducerSwitch Mode
PWM ControlMain Circuit Type
VoltageVoltage of Power Supply
Low Voltage Variable-Frequency DriveLink of Transformation
AC-DC-AC Variable-Frequency DriveNature of DC Power
Current Variable-Frequency DriveFunction
Energy Conservation and Efficiency EnhancementBrand
OtherTransport Package
CartonSpecification
4.1KGTrademark
SchneiderOrigin
ChinaHS Code
8504409999Production Capacity
1000PCS/YearKey features
Inversion Technology: Converts DC power to variable frequency AC for precise motor speed and torque control.
Smooth Acceleration: Programmable ramps reduce inrush current to 1.2-1.5x rated current and prevent mechanical shock.
High Energy Efficiency: Exceeds 97% efficiency at full load, saving 30-50% energy in variable torque applications.
Wide Speed Range: Offers up to 50:1 speed control range with 1% regulation accuracy using armature feedback.
Robust Overload Capacity: Rated for 150% of nominal load for one minute to handle transient demands safely.
Comprehensive Protection: Built-in safeguards against overload, overvoltage, undervoltage, short-circuit, and thermal issues.
Extended Equipment Life: Soft-start capability minimizes wear on motors and gearboxes, reducing maintenance costs.
Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.20h
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier providing 3D software design, ODM, industrial automation, product sales, installation, commissioning, maintenance, and repair services. It supports extensive customization and has documented finished-product inspection instructions, quality assurance, and stated lead times within 15 working days in both peak and off-peak seasons. However, it has no overseas showrooms, agents, branches, or offline trade-show experience, and no new products were developed in the past year. Supplier-management, corrective-action, and complaint-handling procedures exist but lack written records. Certification is listed as NIL, quality-control staffing is below five, and R&D engineer experience totals two years. Export activity is established, with 31%–40% of sales from exports and three years of export experience. Evidence of specific customer cases is not provided.
Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and provides industrial automation-related one-stop services, including product sales, solutions, installation and commissioning, maintenance, and repair. Its stated focus covers cement, packaging, printing, rubber, textile, and machine-tool industries.
CertificationsSupplier management system certification is explicitly recorded as NIL. The provided information therefore does not demonstrate possession of relevant certifications.
After-Sales capabilityThe supplier states that it provides installation, commissioning, maintenance, and repair services and has a quality-assurance system. However, it has no overseas showroom, agent, or branch, and its complaint-handling procedure has no written records, limiting evidence of formalized after-sales execution.
Production capacityThe supplier reports lead times within 15 working days during both peak and off-peak periods, maintains written and uniformly followed finished-product inspection instructions, and lists annual production output above the stated threshold. Nevertheless, quality-control staffing is below five and the service-capability assessment procedure has no records.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same capability is confirmed in two slices, providing direct evidence of broad customization coverage.
Product Q&A
Q:What is inversion technology in a DC-to-AC VFD?
A:
Inversion technology refers to the VFD's ability to convert DC power back into AC power with adjustable frequency and voltage. This allows for precise control over motor speed and torque.
Q:How does a VFD provide smooth acceleration for DC motors?
A:
The VFD gradually increases the output voltage and frequency, allowing the motor to accelerate smoothly without sudden torque spikes. This controlled ramp-up minimizes mechanical stress and inrush current.
Q:Can this VFD be used with any DC motor?
A:
While versatile, it's crucial to match the VFD's specifications (voltage, current, HP) with those of your DC motor to ensure compatibility and optimal performance. Always consult motor and drive datasheets.
Q:What are the typical energy savings associated with using these VFDs?
A:
Energy savings commonly range from 30% to 50% in variable torque applications, with further optimizations possible through intelligent control and load matching.
Q:How do I determine the correct VFD size for my DC motor?
A:
Size the VFD based on the motor's Full Load Amps (FLA) and consider the application's peak demand current, especially for hard-to-start loads. It's often advisable to be conservative and slightly oversize the VFD.
Send Inquiry
*To:
Beijing Zhongping Technology Co., Ltd.
Beijing Zhongping Technology Co., Ltd.*Content:
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