SD3000 Series Medium Voltage VFD 1140V 3300V 6600V Three-Level Inverter with 400Hz Frequency for Industrial Motors
Price:
70usd to 5000usd
MOQ:
1pcs
Delivery Time:
3-5 days
Brand:
ZK
Product Description
Product Overview
The SD3000 series medium voltage VFD (Variable Frequency Drive) is a high-performance three-level inverter designed for industrial applications requiring precise motor control. Available in 1140V, 3300V, and 6600V configurations, these drives offer superior harmonic reduction and energy efficiency for demanding environments.
Key Features & Advantages
Three-Level Technology
- Lower output harmonics with waveform closer to sine wave
- Reduced motor heating for extended equipment lifespan
- Output du/dt reduced by half compared to two-level systems
- Convenient bidirectional energy flow and four-quadrant operation
Motor Compatibility
- High performance for permanent magnet synchronous motors (PMSM)
- Compatible with AC asynchronous motors
Control Capabilities
- V/f control and high-performance vector control
- 150% starting torque at 1Hz for heavy load applications
- Soft start and soft stop functions to eliminate mechanical impact
Input Flexibility
- Compatible with 6, 12, 18, and 24 pulse input modes
- Wide grid voltage range from 85% to 115%
Technical Specifications
Control Modes & Performance
| Parameter | V/F Control | Sensorless Vector 1 | Sensorless Vector 2 | Close Loop Vector |
|---|---|---|---|---|
| Starting Torque | 1Hz 150% | 0.5Hz 150% | 0.25Hz 150% | 180% under 0Hz |
| Speed Adjust Range | 1:50 | 1:200 | 1:500 | |
| Speed Precision | ±0.1% | ±0.3% | ±0.05% | ±0.02% |
| Torque Precision | No | No | Yes | Yes |
General Specifications
| Feature | Specification |
|---|---|
| Output Voltage | 3 electric level with low harmonic |
| Maximum Frequency | 400Hz (Vector Control), 4000Hz (V/f Control) |
| Carrier Frequency | 0.5K-16KHz, auto-adjustable by temperature |
| Overload Tolerance | G type: 150% for 60s, 180% for 2s |
| Operating Temperature | -10℃ to +40℃ (derated above 40℃) |
| Communication Interfaces | CAN, RS485, multiple digital/analog I/O |
Model Specifications
SD3000 Series 1140V Models
| Model | Rated Power (kW) | Input Current (A) | Output Current (A) |
|---|---|---|---|
| SD3000-37G-T11-ASDA | 37 | 20 | 23 |
| SD3000-45G-T11-ASDA | 45 | 26 | 28 |
| SD3000-55G-T11-ASDA | 55 | 34 | 36 |
| SD3000-75G-T11-ASDA | 75 | 47 | 50 |
| SD3000-90G-T11-ASDA | 90 | 56 | 60 |
Industrial Applications
This medium voltage VFD is widely used across multiple industrial sectors including:
- Construction Materials: Kiln cooling fans, grinders, cement rotary kilns
- Petrochemical & Mining: Compressors, blowers, pumps, pelletizers
- Iron & Steel: Blast furnace blowers, crushers, water pumps
- Electric Power: Draft fans, condensation pumps, recirculation pumps
- Utilities: Water conservancy pumps, internal mixers
Advanced Features
The SD3000 series incorporates sophisticated engineering solutions for optimal performance:
- Substantial harmonic current reduction on power source side
- Total inverter efficiency up to 97%
- Source power factor as high as 95% or more
- High-reliability design with 32-bit MPU for quick response
- Easy maintenance with air-cooled design and built-in auto-tuning
For complete technical documentation, wiring diagrams, and custom configuration options, please contact our technical support team.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen ZK Electric Technology Co., Ltd.
Location
Guanlida Building, NO. 269 of Qianjin Road, Xin'an street,Bao'an,Shenzhen,Guangdong,China
Contact Person
Huang